Release/0.5.2 (#183)

* feat(mongodb-driver,connection-tree): 支持 MongoDB v1/v2 切换并新增复制连接

* fix(mongodb-query): 修复 MongoDB 筛选不生效并兼容 shell 语法执行

refs #153

* fix(query-editor): 修复 SQLServer 自动补全回车重复 dbo 前缀

refs #159

* fix(sqlserver-table-designer): 修复设计表读取列时错误使用 schema 作为数据库名

refs #156

* feat(shortcuts): 增加快捷键设置并支持 SQL 执行/侧边栏搜索

refs #158

* fix(sidebar-search): 优化范围搜索匹配与交互

refs #158

* fix(filter,connection-recovery): 保持筛选状态并修复连接失效卡死

refs #165

同步修复连接失效后侧栏持续转圈、断开后无法恢复的问题

* feat(table-designer): 统一设计表界面风格并优化字段新增交互

- 统一设计表页面与数据面板的视觉风格，覆盖工具栏、Tabs、表格与编辑区域

- 移除默认硬边框，改为透明背景与细分隔线，提升整体观感一致性

- 添加字段后自动滚动到新行并高亮，且自动聚焦输入框

- 新增" 在选中字段后添加\，支持按选中字段位置插入字段

* feat(data-grid-filter): 筛选字段支持快捷搜索

- 在筛选条件字段下拉启用可搜索（showSearch）

- 支持字段名大小写不敏感模糊匹配

- 表字段较多时可快速定位目标字段，减少下拉查找耗时

refs #171

* fix(db-ssl): 支持多数据源 SSL/TLS 连接并补齐达梦证书配置

refs #167

* fix(sidebar): 修复数据库加载时 null.map 导致表加载失败

* fix(query-editor): 合并运行按钮并保留 SQL 停止执行入口

.github/ISSUE_TEMPLATE/01-bug_report.yml

@@ -0,0 +1,58 @@
+name: 问题反馈
+description: 软件问题反馈
+title: "[Bug] "
+labels: ["bug"]
+
+body:
+  - type: checkboxes
+    id: searched
+    attributes:
+      label: 已经搜索过 Issues，未发现重复问题*
+      options:
+        - label: 我已经搜索过 Issues，没有发现重复问题
+    validations:
+      required: true
+
+  - type: input
+    id: system
+    attributes:
+      label: 操作系统及版本
+      placeholder: Windows 10 22H2 / macOS Mojave / Linux
+    validations:
+      required: true
+
+  - type: input
+    id: version
+    attributes:
+      label: 软件安装版本
+      placeholder: v0.2.3
+    validations:
+      required: true
+
+  - type: textarea
+    id: description
+    attributes:
+      label: 问题简述及复现流程
+      description: 请详细描述你遇到的问题，并提供复现步骤
+      placeholder: |
+        1. 打开软件
+        2. 点击 xxx
+        3. 预期结果是 ...
+        4. 实际结果是 ...
+        5. 截图 ...
+    validations:
+      required: true
+
+  - type: textarea
+    id: extra
+    attributes:
+      label: 其他补充
+      description: 如果你有额外信息，请在此填写
+      placeholder: 可选
+
+  - type: checkboxes
+    id: pr
+    attributes:
+      label: 是否愿意提交 PR 修复当前 Issue
+      options:
+        - label: 我愿意尝试提交 PR

.github/ISSUE_TEMPLATE/02-feature_request.yml

@@ -0,0 +1,37 @@
+name: 功能建议
+description: 添加全新功能或改进现有功能
+title: "[Enhancement] "
+labels: ["enhancement"]
+
+body:
+  - type: checkboxes
+    id: searched
+    attributes:
+      label: 已经搜索过 Issues，未发现重复问题*
+      options:
+        - label: 我已经搜索过 Issues，没有发现重复问题
+    validations:
+      required: true
+
+  - type: textarea
+    id: feature
+    attributes:
+      label: 功能描述
+      description: 请详细描述你希望添加或改进的功能
+      placeholder: 请描述你想要的功能
+    validations:
+      required: true
+
+  - type: textarea
+    id: extra
+    attributes:
+      label: 其他补充
+      description: 如果你有额外信息，请在此填写
+      placeholder: 可选
+
+  - type: checkboxes
+    id: pr
+    attributes:
+      label: 是否愿意提交 PR 实现当前 Issue
+      options:
+        - label: 我愿意尝试提交 PR

.github/ISSUE_TEMPLATE/03-generic.yml

@@ -0,0 +1,30 @@
+name: 其他反馈
+description: 其他类型反馈、建议或讨论
+title: "[Question] "
+labels: ["question"]
+
+body:
+  - type: checkboxes
+    id: searched
+    attributes:
+      label: 已经搜索过 Issues，未发现重复问题*
+      options:
+        - label: 我已经搜索过 Issues，没有发现重复问题
+    validations:
+      required: true
+
+  - type: textarea
+    id: content
+    attributes:
+      label: 内容
+      description: 请填写你的反馈、建议或讨论内容
+      placeholder: 请描述你的问题或想法
+    validations:
+      required: true
+
+  - type: textarea
+    id: extra
+    attributes:
+      label: 其他补充
+      description: 如果你有额外信息，请在此填写
+      placeholder: 可选

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1 @@
+blank_issues_enabled: false

.github/workflows/release-winget.yml

@@ -0,0 +1,22 @@
+name: Publish to WinGet
+on:
+  push:
+    tags:
+      - 'v*'
+  workflow_dispatch:
+    inputs:
+      release_tag:
+        required: true
+        description: 'Tag of release you want to publish'
+        type: string
+
+jobs:
+  publish:
+    runs-on: windows-latest
+    steps:
+      - uses: vedantmgoyal9/winget-releaser@v2
+        with:
+          identifier: Syngnat.GoNavi
+          installers-regex: 'GoNavi-windows-(amd64|arm64)\.exe$'
+          release-tag: ${{ inputs.release_tag || github.ref_name }}
+          token: ${{ secrets.WINGET_TOKEN }}

.github/workflows/release.yml

@@ -19,16 +19,59 @@ jobs:
         include:
           - os: macos-latest
             platform: darwin/amd64
-            artifact_name: GoNavi-mac-amd64
-            asset_ext: .dmg
+            os_name: MacOS
+            arch_name: Amd64
+            build_name: gonavi-build-darwin-amd64
+            wails_tags: ""
+            artifact_suffix: ""
+            build_optional_agents: true
+            linux_webkit: ""
           - os: macos-latest
             platform: darwin/arm64
-            artifact_name: GoNavi-mac-arm64
-            asset_ext: .dmg
+            os_name: MacOS
+            arch_name: Arm64
+            build_name: gonavi-build-darwin-arm64
+            wails_tags: ""
+            artifact_suffix: ""
+            build_optional_agents: true
+            linux_webkit: ""
           - os: windows-latest
             platform: windows/amd64
-            artifact_name: GoNavi-windows-amd64
-            asset_ext: .exe
+            os_name: Windows
+            arch_name: Amd64
+            build_name: gonavi-build-windows-amd64
+            wails_tags: ""
+            artifact_suffix: ""
+            build_optional_agents: true
+            linux_webkit: ""
+          - os: windows-latest
+            platform: windows/arm64
+            os_name: Windows
+            arch_name: Arm64
+            build_name: gonavi-build-windows-arm64
+            wails_tags: ""
+            artifact_suffix: ""
+            build_optional_agents: true
+            linux_webkit: ""
+          - os: ubuntu-22.04
+            platform: linux/amd64
+            os_name: Linux
+            arch_name: Amd64
+            build_name: gonavi-build-linux-amd64
+            wails_tags: ""
+            artifact_suffix: ""
+            build_optional_agents: true
+            linux_webkit: "4.0"
+          # Debian 13 (trixie) 默认仓库已切到 WebKitGTK 4.1：单独提供 4.1 变体产物
+          - os: ubuntu-24.04
+            platform: linux/amd64
+            os_name: Linux
+            arch_name: Amd64
+            build_name: gonavi-build-linux-amd64-webkit41
+            wails_tags: "webkit2_41"
+            artifact_suffix: "-WebKit41"
+            build_optional_agents: false
+            linux_webkit: "4.1"
 
     steps:
       - name: Checkout code
@@ -45,19 +88,187 @@ jobs:
         with:
           node-version: '20'
 
+      # Linux Dependencies (GTK3, WebKit2GTK required by Wails)
+      - name: Install Linux Dependencies
+        if: contains(matrix.platform, 'linux')
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libgtk-3-dev
+
+          # WebKitGTK 4.1 需要 libsoup3；4.0 使用 libsoup2（通常由 webkit2gtk dev 包拉起）
+          if [ "${{ matrix.linux_webkit }}" = "4.1" ]; then
+            sudo apt-get install -y libwebkit2gtk-4.1-dev libsoup-3.0-dev
+          else
+            sudo apt-get install -y libwebkit2gtk-4.0-dev
+          fi
+
+          # AppImage 运行/打包可能需要 FUSE2。不同发行版/版本包名不同，做兼容兜底。
+          sudo apt-get install -y libfuse2 || sudo apt-get install -y libfuse2t64 || true
+
+          # Download linuxdeploy tools for AppImage packaging
+          LINUXDEPLOY_URL="https://github.com/linuxdeploy/linuxdeploy/releases/download/continuous/linuxdeploy-x86_64.AppImage"
+          PLUGIN_URL="https://github.com/linuxdeploy/linuxdeploy-plugin-gtk/releases/download/continuous/linuxdeploy-plugin-gtk-x86_64.AppImage"
+
+          echo "📥 下载 linuxdeploy..."
+          wget --retry-connrefused --waitretry=1 --read-timeout=20 --timeout=15 --tries=3 \
+            -O /tmp/linuxdeploy "$LINUXDEPLOY_URL" || {
+            echo "⚠️ linuxdeploy 下载失败，AppImage 打包将跳过"
+            touch /tmp/skip-appimage
+          }
+
+          echo "📥 下载 linuxdeploy-plugin-gtk..."
+          wget --retry-connrefused --waitretry=1 --read-timeout=20 --timeout=15 --tries=3 \
+            -O /tmp/linuxdeploy-plugin-gtk "$PLUGIN_URL" || {
+            echo "⚠️ linuxdeploy-plugin-gtk 下载失败，AppImage 打包将跳过"
+            touch /tmp/skip-appimage
+          }
+
+          if [ ! -f /tmp/skip-appimage ]; then
+            chmod +x /tmp/linuxdeploy /tmp/linuxdeploy-plugin-gtk
+            echo "✅ AppImage 工具准备完成"
+          fi
+
       - name: Install Wails
         run: go install -v github.com/wailsapp/wails/v2/cmd/wails@latest
 
+      - name: Setup MSYS2 Toolchain For DuckDB (Windows AMD64)
+        id: msys2_duckdb
+        if: ${{ matrix.build_optional_agents && matrix.platform == 'windows/amd64' }}
+        continue-on-error: true
+        uses: msys2/setup-msys2@v2
+        with:
+          msystem: UCRT64
+          update: true
+          install: >-
+            mingw-w64-ucrt-x86_64-gcc
+
+      - name: Configure DuckDB CGO Toolchain (Windows AMD64)
+        if: ${{ matrix.build_optional_agents && matrix.platform == 'windows/amd64' }}
+        shell: pwsh
+        run: |
+          function Find-MingwBin([string[]]$candidates) {
+            foreach ($bin in $candidates) {
+              if ([string]::IsNullOrWhiteSpace($bin)) {
+                continue
+              }
+              $gcc = Join-Path $bin 'gcc.exe'
+              $gxx = Join-Path $bin 'g++.exe'
+              if ((Test-Path $gcc) -and (Test-Path $gxx)) {
+                return $bin
+              }
+            }
+            return $null
+          }
+
+          $msys2Outcome = "${{ steps.msys2_duckdb.outcome }}"
+          $msys2Location = "${{ steps.msys2_duckdb.outputs['msys2-location'] }}"
+          $candidateBins = @()
+          if (-not [string]::IsNullOrWhiteSpace($msys2Location)) {
+            $candidateBins += Join-Path $msys2Location 'ucrt64\bin'
+          }
+          $candidateBins += @(
+            'C:\msys64\ucrt64\bin',
+            'D:\a\_temp\msys64\ucrt64\bin'
+          )
+          $candidateBins = @($candidateBins | Select-Object -Unique)
+
+          $mingwBin = Find-MingwBin $candidateBins
+          if (-not $mingwBin) {
+            if ($msys2Outcome -ne 'success') {
+              Write-Warning "⚠️ MSYS2 安装步骤结果为 $msys2Outcome，回退到 UCRT64 本机路径探测"
+            } else {
+              Write-Warning "⚠️ MSYS2 已执行，但未找到 UCRT64 gcc/g++，回退到本机路径探测"
+            }
+            $mingwBin = Find-MingwBin $candidateBins
+          }
+
+          if (-not $mingwBin) {
+            Write-Error "❌ 未找到可用的 DuckDB UCRT64 编译器。已检查：$($candidateBins -join ', ')"
+            exit 1
+          }
+
+          $gcc = (Join-Path $mingwBin 'gcc.exe')
+          $gxx = (Join-Path $mingwBin 'g++.exe')
+
+          if (!(Test-Path $gcc) -or !(Test-Path $gxx)) {
+            Write-Error "❌ DuckDB 编译器缺失：gcc=$gcc g++=$gxx"
+            exit 1
+          }
+
+          "$mingwBin" | Out-File -FilePath $env:GITHUB_PATH -Append -Encoding utf8
+          "CC=$gcc" | Out-File -FilePath $env:GITHUB_ENV -Append -Encoding utf8
+          "CXX=$gxx" | Out-File -FilePath $env:GITHUB_ENV -Append -Encoding utf8
+          Write-Host "✅ 已配置 DuckDB cgo 编译器: gcc=$gcc g++=$gxx"
+
+      - name: Verify DuckDB CGO Toolchain (Windows AMD64)
+        if: ${{ matrix.build_optional_agents && matrix.platform == 'windows/amd64' }}
+        shell: pwsh
+        run: |
+          & "$env:CC" --version
+          & "$env:CXX" --version
+
       - name: Build
         shell: bash
         run: |
-          wails build -platform ${{ matrix.platform }} -clean -o ${{ matrix.artifact_name }}
+          set -euo pipefail
+          if [ -n "${{ matrix.wails_tags }}" ]; then
+            wails build -platform ${{ matrix.platform }} -clean -o ${{ matrix.build_name }} -tags "${{ matrix.wails_tags }}" -ldflags "-s -w -X GoNavi-Wails/internal/app.AppVersion=${{ github.ref_name }}"
+          else
+            wails build -platform ${{ matrix.platform }} -clean -o ${{ matrix.build_name }} -ldflags "-s -w -X GoNavi-Wails/internal/app.AppVersion=${{ github.ref_name }}"
+          fi
+
+      - name: Build Optional Driver Agents
+        if: ${{ matrix.build_optional_agents }}
+        shell: bash
+        run: |
+          set -euo pipefail
+          TARGET_PLATFORM="${{ matrix.platform }}"
+          GOOS="${TARGET_PLATFORM%%/*}"
+          GOARCH="${TARGET_PLATFORM##*/}"
+          DRIVERS=(mariadb doris sphinx sqlserver sqlite duckdb dameng kingbase highgo vastbase mongodb tdengine clickhouse)
+          OUTDIR="drivers/${{ matrix.os_name }}"
+          mkdir -p "$OUTDIR"
+
+          for DRIVER in "${DRIVERS[@]}"; do
+            BUILD_DRIVER="$DRIVER"
+            if [ "$DRIVER" = "doris" ]; then
+              BUILD_DRIVER="diros"
+            fi
+            if [ "$DRIVER" = "duckdb" ] && [ "$GOOS" = "windows" ] && [ "$GOARCH" != "amd64" ]; then
+              echo "⚠️ 跳过 DuckDB driver（当前平台 ${GOOS}/${GOARCH} 不受支持，仅支持 windows/amd64）"
+              continue
+            fi
+            TAG="gonavi_${BUILD_DRIVER}_driver"
+            OUTPUT="${DRIVER}-driver-agent-${GOOS}-${GOARCH}"
+            if [ "$GOOS" = "windows" ]; then
+              OUTPUT="${OUTPUT}.exe"
+            fi
+            OUTPUT_PATH="${OUTDIR}/${OUTPUT}"
+            echo "🔧 构建 ${OUTPUT_PATH} (tag=${TAG})"
+            if [ "$DRIVER" = "duckdb" ]; then
+              CGO_ENABLED=1 GOOS="$GOOS" GOARCH="$GOARCH" go build \
+                -tags "${TAG}" \
+                -trimpath \
+                -ldflags "-s -w" \
+                -o "${OUTPUT_PATH}" \
+                ./cmd/optional-driver-agent
+            else
+              CGO_ENABLED=0 GOOS="$GOOS" GOARCH="$GOARCH" go build \
+                -tags "${TAG}" \
+                -trimpath \
+                -ldflags "-s -w" \
+                -o "${OUTPUT_PATH}" \
+                ./cmd/optional-driver-agent
+            fi
+          done
 
       # macOS Packaging
       - name: Package macOS DMG
         if: contains(matrix.platform, 'darwin')
         run: |
           brew install create-dmg
+          VERSION="${{ github.ref_name }}"
+          VERSION="${VERSION#v}"
           cd build/bin
           
           APP_PATH=$(find . -maxdepth 1 -name "*.app" | head -n 1)
@@ -68,9 +279,12 @@ jobs:
           APP_NAME=$(basename "$APP_PATH")
           
           echo "🔏 正在进行 Ad-hoc 签名..."
-          codesign --force --options runtime --deep --sign - "$APP_NAME"
+          # 注意：Ad-hoc + hardened runtime（--options runtime）在未配置 entitlements 时，
+          # 可能导致部分 macOS 机型上应用双击无响应。这里保持 Ad-hoc 深签名但禁用 runtime hardened。
+          codesign --force --deep --sign - "$APP_NAME"
           
-          DMG_NAME="${{ matrix.artifact_name }}.dmg"
+          DMG_NAME="${{ matrix.build_name }}.dmg"
+          FINAL_NAME="GoNavi-$VERSION-${{ matrix.os_name }}-${{ matrix.arch_name }}${{ matrix.artifact_suffix }}.dmg"
           echo "📦 正在生成 DMG: $DMG_NAME..."
           
           create-dmg \
@@ -84,35 +298,131 @@ jobs:
             "$DMG_NAME" \
             "$APP_NAME"
             
-          mv "$DMG_NAME" ../../
+          mv "$DMG_NAME" "../../$FINAL_NAME"
 
       # Windows Packaging
-      - name: Prepare Windows Exe
+      - name: Package Windows Portable Zip
         if: contains(matrix.platform, 'windows')
-        shell: bash
+        shell: pwsh
         run: |
+          Set-Location build/bin
+          $version = "${{ github.ref_name }}"
+          if ($version.StartsWith("v")) {
+              $version = $version.Substring(1)
+          }
+          $target = "${{ matrix.build_name }}"
+          $finalExeName = "GoNavi-$version-${{ matrix.os_name }}-${{ matrix.arch_name }}${{ matrix.artifact_suffix }}.exe"
+          $finalZipName = "GoNavi-$version-${{ matrix.os_name }}-${{ matrix.arch_name }}${{ matrix.artifact_suffix }}.zip"
+
+          if (Test-Path "$target.exe") {
+              $finalExe = "$target.exe"
+          } elseif (Test-Path "$target") {
+              Rename-Item -Path "$target" -NewName "$target.exe"
+              $finalExe = "$target.exe"
+          } else {
+              Write-Error "❌ 未找到构建产物 '$target'!"
+              exit 1
+          }
+
+          Write-Host "📦 生成 Windows 可执行文件 $finalExeName..."
+          Copy-Item -LiteralPath $finalExe -Destination "..\\..\\$finalExeName" -Force
+
+          Write-Host "📦 生成 Windows 压缩包 $finalZipName..."
+          Compress-Archive -LiteralPath $finalExe -DestinationPath "..\\..\\$finalZipName" -Force
+
+      # Linux Packaging (tar.gz and AppImage)
+      - name: Package Linux
+        if: contains(matrix.platform, 'linux')
+        run: |
+          VERSION="${{ github.ref_name }}"
+          VERSION="${VERSION#v}"
           cd build/bin
-          TARGET="${{ matrix.artifact_name }}"
-          
-          if [ -f "$TARGET.exe" ]; then
-              FINAL_EXE="$TARGET.exe"
-          elif [ -f "$TARGET" ]; then
-              mv "$TARGET" "$TARGET.exe"
-              FINAL_EXE="$TARGET.exe"
-          else
+          TARGET="${{ matrix.build_name }}"
+          TAR_NAME="GoNavi-$VERSION-${{ matrix.os_name }}-${{ matrix.arch_name }}${{ matrix.artifact_suffix }}.tar.gz"
+          APPIMAGE_NAME="GoNavi-$VERSION-${{ matrix.os_name }}-${{ matrix.arch_name }}${{ matrix.artifact_suffix }}.AppImage"
+
+          if [ ! -f "$TARGET" ]; then
               echo "❌ 未找到构建产物 '$TARGET'!"
               exit 1
           fi
-          
-          echo "📦 正在移动 $FINAL_EXE 到根目录..."
-          mv "$FINAL_EXE" "../../$FINAL_EXE"
+
+          chmod +x "$TARGET"
+
+          # 1. Create tar.gz
+          echo "📦 正在打包 $TAR_NAME..."
+          tar -czvf "$TAR_NAME" "$TARGET"
+          mv "$TAR_NAME" ../../
+
+          # 2. Create AppImage (skip for ARM64 or if tools unavailable)
+          if [ -f /tmp/skip-appimage ]; then
+              echo "⚠️ 跳过 AppImage 打包"
+              exit 0
+          fi
+
+          echo "📦 正在生成 AppImage..."
+
+          # Create AppDir structure
+          mkdir -p AppDir/usr/bin
+          mkdir -p AppDir/usr/share/applications
+          mkdir -p AppDir/usr/share/icons/hicolor/256x256/apps
+
+          cp "$TARGET" AppDir/usr/bin/gonavi
+
+          # Create desktop file
+          printf '%s\n' \
+            '[Desktop Entry]' \
+            'Name=GoNavi' \
+            'Exec=gonavi' \
+            'Icon=gonavi' \
+            'Type=Application' \
+            'Categories=Development;Database;' \
+            'Comment=Database Management Tool' \
+            > AppDir/usr/share/applications/gonavi.desktop
+
+          cp AppDir/usr/share/applications/gonavi.desktop AppDir/gonavi.desktop
+
+          # Create a simple icon (or use existing if available)
+          if [ -f "../../build/appicon.png" ]; then
+              cp "../../build/appicon.png" AppDir/usr/share/icons/hicolor/256x256/apps/gonavi.png
+              cp "../../build/appicon.png" AppDir/gonavi.png
+          else
+              # Create a placeholder icon
+              convert -size 256x256 xc:#336791 -fill white -gravity center -pointsize 48 -annotate 0 "GoNavi" AppDir/gonavi.png || \
+              wget -q "https://via.placeholder.com/256/336791/FFFFFF?text=GoNavi" -O AppDir/gonavi.png || \
+              touch AppDir/gonavi.png
+              cp AppDir/gonavi.png AppDir/usr/share/icons/hicolor/256x256/apps/gonavi.png
+          fi
+
+          # Build AppImage
+          export DEPLOY_GTK_VERSION=3
+          /tmp/linuxdeploy --appdir AppDir --plugin gtk --output appimage || {
+              echo "⚠️ AppImage 生成失败，但 tar.gz 已成功生成"
+              exit 0
+          }
+
+          # Rename output
+          mv GoNavi*.AppImage "$APPIMAGE_NAME" 2>/dev/null || {
+              echo "⚠️ AppImage 重命名失败"
+              exit 0
+          }
+
+          if [ -f "$APPIMAGE_NAME" ]; then
+              mv "$APPIMAGE_NAME" ../../
+              echo "✅ AppImage 生成成功"
+          fi
 
       # Upload to Actions Artifacts (Temporary Storage)
       - name: Upload Artifact
         uses: actions/upload-artifact@v4
         with:
           name: build-artifacts-${{ strategy.job-index }} # Unique name per job
-          path: GoNavi-*${{ matrix.asset_ext }}
+          path: |
+            GoNavi-*.dmg
+            GoNavi-*.exe
+            GoNavi-*.zip
+            GoNavi-*.tar.gz
+            GoNavi-*.AppImage
+            drivers/**
           retention-days: 1
 
   # Phase 2: Collect all artifacts and Publish Release (Single Job)
@@ -131,6 +441,108 @@ jobs:
       - name: List Assets
         run: ls -R release-assets
 
+      - name: Verify Optional Driver Assets
+        shell: bash
+        run: |
+          set -euo pipefail
+          cd release-assets
+
+          REQUIRED_FILES=(
+            "drivers/Windows/duckdb-driver-agent-windows-amd64.exe"
+            "drivers/MacOS/duckdb-driver-agent-darwin-amd64"
+            "drivers/MacOS/duckdb-driver-agent-darwin-arm64"
+            "drivers/Linux/duckdb-driver-agent-linux-amd64"
+            "drivers/Windows/clickhouse-driver-agent-windows-amd64.exe"
+            "drivers/MacOS/clickhouse-driver-agent-darwin-amd64"
+            "drivers/MacOS/clickhouse-driver-agent-darwin-arm64"
+            "drivers/Linux/clickhouse-driver-agent-linux-amd64"
+          )
+
+          missing=0
+          for file in "${REQUIRED_FILES[@]}"; do
+            if [ ! -f "$file" ]; then
+              echo "❌ 缺少驱动资产：$file"
+              missing=1
+            else
+              echo "✅ 已找到驱动资产：$file"
+            fi
+          done
+
+          if [ "$missing" -ne 0 ]; then
+            echo "❌ 可选驱动资产不完整，终止发布"
+            exit 1
+          fi
+
+      - name: Package Driver Agents Bundle
+        shell: bash
+        run: |
+          set -euo pipefail
+          cd release-assets
+          if [ ! -d drivers ]; then
+            echo "⚠️ 未找到 drivers 目录，跳过驱动总包打包"
+            exit 0
+          fi
+          if [ -z "$(find drivers -type f 2>/dev/null | head -n 1)" ]; then
+            echo "⚠️ drivers 目录为空，跳过驱动总包打包"
+            rm -rf drivers
+            exit 0
+          fi
+
+          echo "📦 打包驱动总包：GoNavi-DriverAgents.zip"
+          python3 - <<'PY'
+          import json
+          import os
+          import zipfile
+          from pathlib import Path
+
+          out_name = "GoNavi-DriverAgents.zip"
+          index_name = "GoNavi-DriverAgents-Index.json"
+          base = Path("drivers")
+          out_path = Path(out_name)
+          index_path = Path(index_name)
+          if out_path.exists():
+              out_path.unlink()
+          if index_path.exists():
+              index_path.unlink()
+
+          size_index = {}
+          with zipfile.ZipFile(out_path, "w", compression=zipfile.ZIP_DEFLATED) as zf:
+              for p in base.rglob("*"):
+                  if not p.is_file():
+                      continue
+                  arcname = p.relative_to(base).as_posix()
+                  zf.write(p, arcname)
+                  size_index[p.name] = p.stat().st_size
+
+          index_path.write_text(
+              json.dumps({"assets": size_index}, ensure_ascii=False, indent=2),
+              encoding="utf-8",
+          )
+
+          print(f"created {out_name} size={out_path.stat().st_size} bytes")
+          print(f"created {index_name} entries={len(size_index)}")
+          PY
+
+          # Release 只发布一个驱动总包，避免大量平铺资产污染 Release 页面
+          rm -rf drivers
+
+      - name: Generate SHA256SUMS
+        shell: bash
+        run: |
+          cd release-assets
+          FILES=()
+          while IFS= read -r file; do
+            if [ -n "$file" ]; then
+              FILES+=("$file")
+            fi
+          done < <(find . -maxdepth 1 -type f ! -name SHA256SUMS -exec basename {} \; | sort)
+          if [ ${#FILES[@]} -eq 0 ]; then
+            echo "⚠️ 未找到可签名资产，生成空 SHA256SUMS"
+            : > SHA256SUMS
+          else
+            sha256sum "${FILES[@]}" > SHA256SUMS
+          fi
+
       - name: Create Release
         uses: softprops/action-gh-release@v2
         if: startsWith(github.ref, 'refs/tags/')

.gitignore

@@ -6,7 +6,7 @@
 frontend/release/
 **/release/
 **/dist/
-**/build/
+build/bin/
 
 # wails / node artifacts (按需)
 node_modules/
@@ -15,4 +15,10 @@ dist/
 .DS_Store
 .gemini-clipboard
 GoNavi-Wails
-GoNavi-Wails.exe
+GoNavi-Wails.exe
+.ace-tool/
+.claude/
+tmpclaude-*
+
+CLAUDE.md
+**/CLAUDE.md

CONTRIBUTING.md

@@ -0,0 +1,154 @@
+# Contributing Guide
+
+Thank you for contributing to this project.
+
+This repository follows a release-first workflow: `main` is the default public branch, while releases are prepared through `release/*` branches.
+
+---
+
+## Branch Model
+
+- `main`: stable release branch and default branch
+- `dev`: day-to-day integration branch for maintainers
+- `release/*`: release preparation branches for maintainers
+- Recommended branch names for external contributors:
+  - `fix/*`: bug fixes
+  - `feature/*`: new features or enhancements
+
+Maintainer release flow:
+
+```text
+feature/* / fix/* -> dev -> release/* -> main -> tag(vX.Y.Z)
+```
+
+---
+
+## How External Contributors Should Open Pull Requests
+
+Whether your branch is `fix/*` or `feature/*`, external contributors should **open pull requests directly against `main`**.
+
+Reasons:
+
+- `main` is the default branch, so the PR entry point is clearer
+- merged contributions are immediately visible on the default branch
+- maintainers can handle downstream sync and release preparation in one place
+
+Recommended flow:
+
+1. Fork this repository
+2. Create a branch in your fork (`fix/*` or `feature/*` is recommended)
+3. Make your changes and perform basic self-checks
+4. Push the branch to your fork
+5. Open a pull request against the `main` branch of this repository
+
+---
+
+## Pull Request Requirements
+
+Please keep each pull request focused, reviewable, and easy to validate.
+
+Recommended expectations:
+
+- one pull request should address one logical change
+- use a clear title that explains the purpose
+- include the following in the description:
+  - background and problem statement
+  - key changes
+  - impact scope
+  - validation method
+- include screenshots or recordings for UI changes when helpful
+- explicitly mention risk and rollback notes for compatibility, data, or build-chain changes
+
+---
+
+## Merge Strategy for Maintainers
+
+Pull requests merged into `main` should generally use **Squash and merge**.
+
+Reasons:
+
+- keeps `main` history clean and linear
+- maps each PR to a single commit on `main`
+- reduces release, audit, and rollback complexity
+
+---
+
+## Maintainer Sync Rules
+
+Because external pull requests are merged directly into `main`, maintainers must sync `main` back to development and release branches to avoid branch drift.
+
+### 1. Sync `main` -> `dev` (required)
+
+Every change merged into `main` must be synced into `dev`:
+
+```bash
+git checkout dev
+git pull
+git merge main
+git push
+```
+
+### 2. Create `release/*` from `dev`
+
+Before a release, create a release branch from `dev`, for example:
+
+```bash
+git checkout dev
+git pull
+git checkout -b release/v0.6.0
+git push -u origin release/v0.6.0
+```
+
+### 3. Release from `release/*` back to `main`
+
+When release preparation is complete, merge the release branch back into `main` and create a tag:
+
+```bash
+git checkout main
+git pull
+git merge release/v0.6.0
+git push
+git tag v0.6.0
+git push origin v0.6.0
+```
+
+### 4. Sync `main` back to `dev` after release
+
+After the release, sync `main` back into `dev` again:
+
+```bash
+git checkout dev
+git pull
+git merge main
+git push
+```
+
+---
+
+## Commit Message Recommendation
+
+Keep commit messages clear and easy to audit.
+
+Recommended format:
+
+```text
+emoji type(scope): concise description
+```
+
+Examples:
+
+```text
+🔧 fix(ci): fix DuckDB driver toolchain on Windows AMD64
+✨ feat(redis): add Stream data browsing support
+♻️ refactor(datagrid): optimize large-table horizontal scrolling and rendering
+```
+
+---
+
+## Additional Notes
+
+- Please include validation results for documentation, build-chain, or driver compatibility changes
+- For larger changes, opening an issue or draft PR first is recommended
+- Maintainers may ask contributors to narrow the scope if the change conflicts with the current project direction
+
+Thank you for contributing.

CONTRIBUTING.zh-CN.md

@@ -0,0 +1,154 @@
+# 贡献指南
+
+感谢你对本项目的贡献。
+
+本项目采用“发布优先（`main` 为默认分支）+ `release/*` 分支发版”的协作模型。为减少分支漂移与 PR 处理成本，请在提交贡献前先阅读本指南。
+
+---
+
+## 分支模型
+
+- `main`：稳定发布分支，也是仓库默认分支
+- `dev`：日常开发集成分支，主要供维护者使用
+- `release/*`：发布准备分支，主要供维护者使用
+- 外部贡献者建议使用以下分支命名：
+  - `fix/*`：问题修复
+  - `feature/*`：功能新增或增强
+
+维护者发布流转如下：
+
+```text
+feature/* / fix/* -> dev -> release/* -> main -> tag(vX.Y.Z)
+```
+
+---
+
+## 外部贡献者如何提 Pull Request
+
+无论是 `fix/*` 还是 `feature/*`，**外部贡献者统一直接向 `main` 发起 Pull Request**。
+
+这样做的原因：
+
+- `main` 是默认分支，PR 入口更直观
+- 合并后贡献会直接体现在默认分支
+- 便于维护者统一做后续同步与发版整理
+
+建议流程：
+
+1. Fork 本仓库
+2. 从你自己的仓库创建分支（建议命名为 `fix/*` 或 `feature/*`）
+3. 完成代码修改，并进行必要自检
+4. 推送到你的远程分支
+5. 向本仓库的 `main` 分支发起 Pull Request
+
+---
+
+## Pull Request 要求
+
+请尽量保证 PR 单一、清晰、可审核。
+
+建议遵循以下要求：
+
+- 一个 PR 只解决一类问题，避免混入无关改动
+- 标题清晰说明改动目的
+- 描述中说明：
+  - 背景与问题
+  - 变更点
+  - 影响范围
+  - 验证方式
+- 如涉及 UI 调整，建议附截图或录屏
+- 如涉及兼容性、数据变更或构建链路调整，请明确说明风险和回滚方式
+
+---
+
+## PR 合并策略（维护者）
+
+`main` 分支上的 PR 建议使用 **Squash and merge**。
+
+原因：
+
+- 保持 `main` 历史干净、线性
+- 每个 PR 在 `main` 上对应一个清晰提交
+- 降低发布排查与回滚成本
+
+---
+
+## 维护者同步规则
+
+由于外部 PR 会直接合入 `main`，维护者必须及时将 `main` 的变更同步到开发与发布分支，避免分支漂移。
+
+### 1. main → dev 同步（必做）
+
+任何合入 `main` 的变更，都必须同步到 `dev`：
+
+```bash
+git checkout dev
+git pull
+git merge main
+git push
+```
+
+### 2. 发版前从 dev 切 release/*
+
+发布前由维护者基于 `dev` 创建发布分支，例如：
+
+```bash
+git checkout dev
+git pull
+git checkout -b release/v0.6.0
+git push -u origin release/v0.6.0
+```
+
+### 3. release/* → main 发版
+
+发布准备完成后，将 `release/*` 合并回 `main`，并打标签发布：
+
+```bash
+git checkout main
+git pull
+git merge release/v0.6.0
+git push
+git tag v0.6.0
+git push origin v0.6.0
+```
+
+### 4. main 回流到 dev（发版后必做）
+
+发布完成后，再次将 `main` 回流到 `dev`，确保开发线与发布线一致：
+
+```bash
+git checkout dev
+git pull
+git merge main
+git push
+```
+
+---
+
+## 提交建议
+
+建议保持提交信息简洁、明确，便于维护者审查与后续追踪。
+
+推荐格式：
+
+```text
+emoji type(scope): 中文描述
+```
+
+示例：
+
+```text
+🔧 fix(ci): 修复 Windows AMD64 下 DuckDB 驱动构建工具链
+✨ feat(redis): 新增 Stream 类型数据浏览支持
+♻️ refactor(datagrid): 优化大表横向滚动与渲染结构
+```
+
+---
+
+## 其他说明
+
+- 文档、构建链路、驱动兼容性相关改动，请尽量附带验证结果
+- 若改动较大，建议先提 Issue 或 Draft PR，先对齐方案再实施
+- 如提交内容与项目当前架构方向冲突，维护者可能要求收敛范围后再合并
+
+感谢你的贡献。

README.md

@@ -1,128 +1,211 @@
-# GoNavi - 现代化的轻量级数据库管理工具
-<img width="1200" height="1116" alt="image" src="https://github.com/user-attachments/assets/d15fa9e9-5486-423b-a0e9-53b467e45432" />
-<img width="4096" height="2180" alt="image" src="https://github.com/user-attachments/assets/330ce49b-45f1-4919-ae14-75f7d47e5f73" />
-<img width="4096" height="2304" alt="image" src="https://github.com/user-attachments/assets/341cda98-79a5-4198-90f3-1335131ccde0" />
-<img width="4096" height="2304" alt="image" src="https://github.com/user-attachments/assets/ec522145-5ceb-4481-ae46-a9251c89bdfc" />
-<img width="4096" height="2304" alt="image" src="https://github.com/user-attachments/assets/224a74e7-65df-4aef-9710-d8e82e3a70c1" />
-<img width="4096" height="2180" alt="image" src="https://github.com/user-attachments/assets/f0c57590-d987-4ecf-89b2-64efad60b6d7" />
+# GoNavi - A Modern Lightweight Database Client
 
-[![Go Version](https://img.shields.io/github/go-mod/go-version/yangguofeng/GoNavi)](https://go.dev/)
+[![Go Version](https://img.shields.io/github/go-mod/go-version/Syngnat/GoNavi)](https://go.dev/)
 [![Wails Version](https://img.shields.io/badge/Wails-v2-red)](https://wails.io)
 [![React Version](https://img.shields.io/badge/React-v18-blue)](https://reactjs.org/)
 [![License](https://img.shields.io/badge/License-Apache%202.0-green.svg)](LICENSE)
-[![Build Status](https://img.shields.io/github/actions/workflow/status/yangguofeng/GoNavi/release.yml?label=Build)](https://github.com/yangguofeng/GoNavi/actions)
+[![Build Status](https://img.shields.io/github/actions/workflow/status/Syngnat/GoNavi/release.yml?label=Build)](https://github.com/Syngnat/GoNavi/actions)
 
-**GoNavi** 是一款基于 **Wails (Go)** 和 **React** 构建的现代化、高性能、跨平台数据库管理客户端。它旨在提供如原生应用般流畅的用户体验，同时保持极低的资源占用。
+**Language**: English | [简体中文](README.zh-CN.md)
 
-相比于 Electron 应用，GoNavi 的体积更小（~10MB），启动速度更快，内存占用更低。
+GoNavi is a modern, high-performance, cross-platform database client built with **Wails (Go)** and **React**.
+It delivers native-like responsiveness with low resource usage.
+
+Compared with many Electron-based clients, GoNavi is typically smaller in binary size (around 10MB class), starts faster, and uses less memory.
 
 ---
 
-## ✨ 核心特性
+## Project Overview
 
-### 🚀 极致性能
-- **零卡顿交互**：采用独创的 "幽灵拖拽" (Ghost Resizing) 技术，在包含数万行数据的表格中调整列宽，依然保持 60fps+ 的丝滑体验。
-- **虚拟滚动**：轻松处理海量数据展示，拒绝卡顿。
+GoNavi is designed for developers and DBAs who need a unified desktop experience across multiple databases.
 
-### 🔌 多数据库支持
-- **MySQL**：完整的支持，包括表结构设计、索引管理、外键管理等。
-- **PostgreSQL**：基础支持（持续完善中）。
-- **SQLite**：本地文件数据库支持。
-- **SSH 隧道**：内置 SSH 隧道支持，安全连接内网数据库。
+- **Native-performance architecture**: Wails (Go + WebView) with lightweight runtime overhead.
+- **Large dataset usability**: virtualized rendering and optimized DataGrid workflows for high-volume tables.
+- **Unified connectivity**: URI build/parse, SSH tunnel, proxy support, and on-demand driver activation.
+- **Production-oriented workflow**: SQL editor, object management, batch export/backup, sync tools, execution logs, and update checks.
 
-### 📊 强大的数据管理 (DataGrid)
-- **所见即所得编辑**：直接在表格中双击单元格修改数据。
-- **事务操作**：支持批量新增、修改、删除，一键提交或回滚事务。
-- **智能上下文**：自动识别单表查询，解锁编辑功能；复杂查询自动切换为只读模式。
-- **数据导出**：支持导出为 CSV, Excel (XLSX), JSON, Markdown 等格式。
+## Supported Data Sources
 
-### 📝 智能 SQL 编辑器
-- **Monaco Editor 内核**：集成 VS Code 同款编辑器，体验极佳。
-- **智能补全**：自动感知当前连接上下文，提供数据库、表名、字段名的实时补全。
-- **多标签页**：支持多窗口并行操作，像浏览器一样管理你的查询会话。
+> `Built-in`: available out of the box.  
+> `Optional driver agent`: install/enable via Driver Manager first.
 
-### 🎨 现代化 UI
-- **Ant Design 5**：企业级 UI 设计语言。
-- **暗黑模式**：内置深色/浅色主题切换，适应不同光照环境。
-- **响应式布局**：灵活的侧边栏与布局调整。
+| Category | Data Source | Driver Mode | Typical Capabilities |
+|---|---|---|---|
+| Relational | MySQL | Built-in | Schema browsing, SQL query, data editing, export/backup |
+| Relational | PostgreSQL | Built-in | Schema browsing, SQL query, data editing, object management |
+| Relational | Oracle | Built-in | Query execution, object browsing, data editing |
+| Cache | Redis | Built-in | Key browsing, command execution, encoding/view switch |
+| Relational | MariaDB | Optional driver agent | Querying, object management, data editing |
+| Relational | Doris | Optional driver agent | Querying, object browsing, SQL execution |
+| Search | Sphinx | Optional driver agent | SphinxQL querying and object browsing |
+| Relational | SQL Server | Optional driver agent | Schema browsing, SQL query, object management |
+| File-based | SQLite | Optional driver agent | Local DB browsing, editing, export |
+| File-based | DuckDB | Optional driver agent | Large-table query, pagination, file-DB workflow |
+| Domestic DB | Dameng | Optional driver agent | Querying, object browsing, data editing |
+| Domestic DB | Kingbase | Optional driver agent | Querying, object browsing, data editing |
+| Domestic DB | HighGo | Optional driver agent | Querying, object browsing, data editing |
+| Domestic DB | Vastbase | Optional driver agent | Querying, object browsing, data editing |
+| Document | MongoDB | Optional driver agent | Document query, collection browsing, connection management |
+| Time-series | TDengine | Optional driver agent | Time-series schema browsing and querying |
+| Columnar Analytics | ClickHouse | Optional driver agent | Analytical query, object browsing, SQL execution |
+| Extensibility | Custom Driver/DSN | Custom | Extend to more data sources via Driver + DSN |
+
+<h2 align="center">📸 Screenshots</h2>
+
+<div align="center">
+    <img width="25%" alt="image" src="https://github.com/user-attachments/assets/341cda98-79a5-4198-90f3-1335131ccde0" />
+    <img width="25%" alt="image" src="https://github.com/user-attachments/assets/224a74e7-65df-4aef-9710-d8e82e3a70c1" />
+    <img width="25%" alt="image" src="https://github.com/user-attachments/assets/ec522145-5ceb-4481-ae46-a9251c89bdfc" />
+    <br />
+    <img width="25%" alt="image" src="https://github.com/user-attachments/assets/330ce49b-45f1-4919-ae14-75f7d47e5f73" />
+    <img width="14%" alt="image" src="https://github.com/user-attachments/assets/d15fa9e9-5486-423b-a0e9-53b467e45432" />
+    <img width="25%" alt="image" src="https://github.com/user-attachments/assets/f0c57590-d987-4ecf-89b2-64efad60b6d7" />
+</div>
 
 ---
 
-## 🛠️ 技术栈
+## Key Features
 
-*   **后端 (Backend)**: Go 1.24 + Wails v2
-*   **前端 (Frontend)**: React 18 + TypeScript + Vite
-*   **UI 框架**: Ant Design 5
-*   **状态管理**: Zustand
-*   **编辑器**: Monaco Editor
+### Performance
+- **Smooth interaction under load**: optimized table interaction (including column resize workflow on large datasets).
+- **Virtualized rendering**: keeps large result sets responsive.
+
+### Data Management (DataGrid)
+- In-place cell editing.
+- Batch insert/update/delete with transaction-oriented submit/rollback.
+- Large-field popup editor.
+- Context actions (set NULL, copy/export, etc.).
+- Smart read/write mode switching based on query context.
+- Export formats: CSV, Excel (XLSX), JSON, Markdown.
+
+### SQL Editor
+- Monaco Editor core.
+- Context-aware completion for databases/tables/columns.
+- Multi-tab query workflow.
+
+### Batch Export / Backup
+- Database-level and table-level batch export/backup.
+- Scope-aware operation flow to reduce mistakes.
+
+### Connectivity
+- URI generation/parsing.
+- SSH tunnel support.
+- Proxy support.
+- Config import/export (JSON).
+- Optional driver management and activation.
+
+### Redis Tools
+- Multi-view value rendering (auto/raw text/UTF-8/hex).
+- Built-in command execution panel.
+
+### Observability and Update
+- SQL execution logs with timing information.
+- Startup/scheduled/manual update checks.
+
+### UI/UX
+- Ant Design 5 based interface.
+- Light/Dark themes.
+- Flexible sidebar and layout behavior.
 
 ---
 
-## 📦 安装与运行
+## Tech Stack
 
-### 前置要求
-*   [Go](https://go.dev/dl/) 1.21+
-*   [Node.js](https://nodejs.org/) 18+
-*   [Wails CLI](https://wails.io/docs/gettingstarted/installation): `go install github.com/wailsapp/wails/v2/cmd/wails@latest`
+- **Backend**: Go 1.24 + Wails v2
+- **Frontend**: React 18 + TypeScript + Vite
+- **UI**: Ant Design 5
+- **State Management**: Zustand
+- **Editor**: Monaco Editor
 
-### 开发模式
+---
+
+## Installation and Run
+
+### Prerequisites
+- [Go](https://go.dev/dl/) 1.21+
+- [Node.js](https://nodejs.org/) 18+
+- [Wails CLI](https://wails.io/docs/gettingstarted/installation):
+  `go install github.com/wailsapp/wails/v2/cmd/wails@latest`
+
+### Development Mode
 
 ```bash
-# 克隆项目
+# Clone
 git clone https://github.com/Syngnat/GoNavi.git
 cd GoNavi
 
-# 启动开发服务器 (支持热重载)
+# Start development with hot reload
 wails dev
 ```
 
-### 编译构建
+### Build
 
 ```bash
-# 构建当前平台的可执行文件
+# Build for current platform
 wails build
 
-# 清理并构建 (推荐发布前使用)
+# Clean build (recommended before release)
 wails build -clean
 ```
 
-构建产物将位于 `build/bin` 目录下。
+Artifacts are generated in `build/bin`.
 
-### 跨平台编译 (GitHub Actions)
+### Cross-Platform Release (GitHub Actions)
 
-本项目内置了 GitHub Actions 流水线，Push `v*` 格式的 Tag 即可自动触发构建并发布 Release。
-支持构建：
-*   macOS (AMD64 / ARM64)
-*   Windows (AMD64)
+The repository includes a release workflow.
+Push a `v*` tag to trigger automated build and release.
+
+Target artifacts include:
+- macOS (AMD64 / ARM64)
+- Windows (AMD64)
+- Linux (AMD64, WebKitGTK 4.0 and 4.1 variants)
 
 ---
 
-## ❓ 常见问题 (Troubleshooting)
+## Troubleshooting
 
-### macOS 提示 "应用已损坏，无法打开"
+### macOS: "App is damaged and can’t be opened"
 
-由于本项目尚未购买 Apple 开发者证书进行签名（Notarization），macOS 的 Gatekeeper 安全机制可能会拦截应用的运行。请按照以下步骤解决：
+Without Apple notarization, Gatekeeper may block startup.
 
-1.  将下载的 `GoNavi.app` 拖入 **应用程序** 文件夹。
-2.  打开 **终端 (Terminal)**。
-3.  复制并执行以下命令（输入密码时不会显示）：
-    ```bash
-    sudo xattr -rd com.apple.quarantine /Applications/GoNavi.app
-    ```
-4.  或者：在 Finder 中右键点击应用图标，按住 `Control` 键选择 **打开**，然后在弹出的窗口中再次点击 **打开**。
+1. Move `GoNavi.app` to **Applications**.
+2. Open **Terminal**.
+3. Run:
+
+```bash
+sudo xattr -rd com.apple.quarantine /Applications/GoNavi.app
+```
+
+Or right-click the app in Finder and choose **Open** with Control key flow.
+
+### Linux: missing `libwebkit2gtk` / `libjavascriptcoregtk`
+
+GoNavi depends on WebKitGTK runtime libraries.
+
+```bash
+# Debian 13 / Ubuntu 24.04+
+sudo apt-get update
+sudo apt-get install -y libgtk-3-0 libwebkit2gtk-4.1-0 libjavascriptcoregtk-4.1-0
+
+# Ubuntu 22.04 / Debian 12
+sudo apt-get update
+sudo apt-get install -y libgtk-3-0 libwebkit2gtk-4.0-37 libjavascriptcoregtk-4.0-18
+```
+
+If you use Linux artifacts with the `-WebKit41` suffix, prefer Debian 13 / Ubuntu 24.04+.
 
 ---
 
-## 🤝 贡献指南
+## Contributing
 
-欢迎提交 Issue 和 Pull Request！
+Issues and pull requests are welcome.
 
-1.  Fork 本仓库
-2.  创建你的特性分支 (`git checkout -b feature/AmazingFeature`)
-3.  提交你的改动 (`git commit -m 'feat: Add some AmazingFeature'`)
-4.  推送到分支 (`git push origin feature/AmazingFeature`)
-5.  开启一个 Pull Request
+For the full workflow, branch model, and maintainer sync rules, see:
 
-## 📄 开源协议
+- [CONTRIBUTING.md](CONTRIBUTING.md)
 
-本项目采用 [Apache-2.0 协议](LICENSE) 开源。
+External contributors should open pull requests directly against `main`.
+
+## License
+
+Licensed under [Apache-2.0](LICENSE).

README.zh-CN.md

@@ -0,0 +1,194 @@
+# GoNavi - 现代化轻量级数据库客户端
+
+[![Go Version](https://img.shields.io/github/go-mod/go-version/Syngnat/GoNavi)](https://go.dev/)
+[![Wails Version](https://img.shields.io/badge/Wails-v2-red)](https://wails.io)
+[![React Version](https://img.shields.io/badge/React-v18-blue)](https://reactjs.org/)
+[![License](https://img.shields.io/badge/License-Apache%202.0-green.svg)](LICENSE)
+[![Build Status](https://img.shields.io/github/actions/workflow/status/Syngnat/GoNavi/release.yml?label=Build)](https://github.com/Syngnat/GoNavi/actions)
+
+**语言**: [English](README.md) | 简体中文
+
+GoNavi 是基于 **Wails (Go)** 与 **React** 构建的跨平台数据库管理工具，强调原生性能、低资源占用与多数据源统一工作流。
+
+相比常见 Electron 客户端，GoNavi 在体积、启动速度和内存占用上更轻量。
+
+---
+
+## 项目简介
+
+GoNavi 面向开发者与 DBA，核心目标是让数据库操作在桌面端做到“快、稳、统一”。
+
+- **原生性能架构**：Wails（Go + WebView），降低运行时开销。
+- **大数据可用性**：虚拟滚动 + DataGrid 交互优化，提升大结果集可操作性。
+- **统一连接能力**：支持 URI 生成/解析、SSH 隧道、代理、驱动按需安装。
+- **工程化能力完整**：覆盖 SQL 编辑、对象管理、批量导出/备份、数据同步、执行日志、在线更新。
+
+## 支持的数据源
+
+> `内置`：主程序开箱即用。  
+> `可选驱动代理`：需在驱动管理中安装启用后可用。
+
+| 类别 | 数据源 | 驱动模式 | 典型能力 |
+|---|---|---|---|
+| 关系型 | MySQL | 内置 | 库表浏览、SQL 查询、数据编辑、导出/备份 |
+| 关系型 | PostgreSQL | 内置 | 库表浏览、SQL 查询、数据编辑、对象管理 |
+| 关系型 | Oracle | 内置 | 连接查询、对象浏览、数据编辑 |
+| 缓存 | Redis | 内置 | Key 浏览、命令执行、编码/视图切换 |
+| 关系型 | MariaDB | 可选驱动代理 | 连接查询、对象管理、数据编辑 |
+| 关系型 | Doris | 可选驱动代理 | 连接查询、对象浏览、SQL 执行 |
+| 搜索 | Sphinx | 可选驱动代理 | SphinxQL 查询与对象浏览 |
+| 关系型 | SQL Server | 可选驱动代理 | 库表浏览、SQL 查询、对象管理 |
+| 文件型 | SQLite | 可选驱动代理 | 本地文件库浏览、编辑、导出 |
+| 文件型 | DuckDB | 可选驱动代理 | 大表查询、分页浏览、文件库管理 |
+| 国产数据库 | Dameng | 可选驱动代理 | 连接查询、对象浏览、数据编辑 |
+| 国产数据库 | Kingbase | 可选驱动代理 | 连接查询、对象浏览、数据编辑 |
+| 国产数据库 | HighGo | 可选驱动代理 | 连接查询、对象浏览、数据编辑 |
+| 国产数据库 | Vastbase | 可选驱动代理 | 连接查询、对象浏览、数据编辑 |
+| 文档型 | MongoDB | 可选驱动代理 | 文档查询、集合浏览、连接管理 |
+| 时序 | TDengine | 可选驱动代理 | 时序库表浏览、查询分析 |
+| 列式分析 | ClickHouse | 可选驱动代理 | 分析查询、对象浏览、SQL 执行 |
+| 扩展接入 | Custom Driver/DSN | 自定义 | 通过 Driver + DSN 接入更多数据源 |
+
+<h2 align="center">📸 项目截图</h2>
+
+<div align="center">
+    <img width="25%" alt="image" src="https://github.com/user-attachments/assets/341cda98-79a5-4198-90f3-1335131ccde0" />
+    <img width="25%" alt="image" src="https://github.com/user-attachments/assets/224a74e7-65df-4aef-9710-d8e82e3a70c1" />
+    <img width="25%" alt="image" src="https://github.com/user-attachments/assets/ec522145-5ceb-4481-ae46-a9251c89bdfc" />
+    <br />
+    <img width="25%" alt="image" src="https://github.com/user-attachments/assets/330ce49b-45f1-4919-ae14-75f7d47e5f73" />
+    <img width="14%" alt="image" src="https://github.com/user-attachments/assets/d15fa9e9-5486-423b-a0e9-53b467e45432" />
+    <img width="25%" alt="image" src="https://github.com/user-attachments/assets/f0c57590-d987-4ecf-89b2-64efad60b6d7" />
+</div>
+
+---
+
+## 核心特性
+
+### 性能与交互
+- 大数据场景下保持流畅交互（含 DataGrid 列宽拖拽、批量编辑流程优化）。
+- 虚拟滚动渲染，降低大结果集卡顿风险。
+
+### 数据管理（DataGrid）
+- 单元格所见即所得编辑。
+- 批量新增/修改/删除，支持事务提交与回滚。
+- 大字段弹窗编辑。
+- 右键上下文操作（NULL、复制、导出等）。
+- 根据查询上下文智能切换读写模式。
+- 支持 CSV / XLSX / JSON / Markdown 导出。
+
+### SQL 编辑器
+- 基于 Monaco Editor。
+- 上下文补全（数据库/表/字段）。
+- 多标签查询工作流。
+
+### 连接与驱动
+- URI 生成与解析。
+- SSH 隧道、代理支持。
+- 连接配置 JSON 导入/导出。
+- 可选驱动安装与启用管理。
+
+### Redis 工具
+- 自动/原始文本/UTF-8/十六进制等视图模式。
+- 内置命令执行面板。
+
+### 可观测性与更新
+- SQL 执行日志（含耗时）。
+- 启动/定时/手动更新检查。
+
+### UI 体验
+- Ant Design 5 体系。
+- 深色/浅色主题切换。
+- 灵活布局与侧边栏行为。
+
+---
+
+## 技术栈
+
+- **后端**: Go 1.24 + Wails v2
+- **前端**: React 18 + TypeScript + Vite
+- **UI 框架**: Ant Design 5
+- **状态管理**: Zustand
+- **编辑器**: Monaco Editor
+
+---
+
+## 安装与运行
+
+### 前置要求
+- [Go](https://go.dev/dl/) 1.21+
+- [Node.js](https://nodejs.org/) 18+
+- [Wails CLI](https://wails.io/docs/gettingstarted/installation):
+  `go install github.com/wailsapp/wails/v2/cmd/wails@latest`
+
+### 开发模式
+
+```bash
+# 克隆项目
+git clone https://github.com/Syngnat/GoNavi.git
+cd GoNavi
+
+# 启动开发（热重载）
+wails dev
+```
+
+### 编译构建
+
+```bash
+# 构建当前平台
+wails build
+
+# 清理后构建（发布前推荐）
+wails build -clean
+```
+
+构建产物位于 `build/bin`。
+
+### 跨平台发布（GitHub Actions）
+
+仓库内置发布流水线，推送 `v*` Tag 可自动构建并发布 Release。
+
+支持目标：
+- macOS (AMD64 / ARM64)
+- Windows (AMD64)
+- Linux (AMD64，含 WebKitGTK 4.0 / 4.1 变体)
+
+---
+
+## 常见问题
+
+### macOS 提示“应用已损坏，无法打开”
+
+在未进行 Apple Notarization 时，Gatekeeper 可能拦截应用。
+
+```bash
+sudo xattr -rd com.apple.quarantine /Applications/GoNavi.app
+```
+
+### Linux 缺少 `libwebkit2gtk` / `libjavascriptcoregtk`
+
+```bash
+# Debian 13 / Ubuntu 24.04+
+sudo apt-get update
+sudo apt-get install -y libgtk-3-0 libwebkit2gtk-4.1-0 libjavascriptcoregtk-4.1-0
+
+# Ubuntu 22.04 / Debian 12
+sudo apt-get update
+sudo apt-get install -y libgtk-3-0 libwebkit2gtk-4.0-37 libjavascriptcoregtk-4.0-18
+```
+
+---
+
+## 贡献指南
+
+欢迎提交 Issue 与 Pull Request。
+
+完整流程、分支模型与维护者同步规则请查看：
+
+- [CONTRIBUTING.zh-CN.md](CONTRIBUTING.zh-CN.md)
+
+外部贡献者统一直接向 `main` 发起 Pull Request。
+
+## 开源协议
+
+本项目采用 [Apache-2.0 协议](LICENSE)。

build-release.sh

@@ -12,6 +12,7 @@ if [ -z "$VERSION" ]; then
     VERSION="0.0.0"
 fi
 echo "ℹ️  检测到版本号: $VERSION"
+LDFLAGS="-s -w -X GoNavi-Wails/internal/app.AppVersion=$VERSION"
 
 # 颜色配置
 GREEN='\033[0;32m'
@@ -27,7 +28,7 @@ mkdir -p $DIST_DIR
 
 # --- macOS ARM64 构建 ---
 echo -e "${GREEN}🍎 正在构建 macOS (arm64)...${NC}"
-wails build -platform darwin/arm64 -clean
+wails build -platform darwin/arm64 -clean -ldflags "$LDFLAGS"
 if [ $? -eq 0 ]; then
     APP_SRC="$BUILD_BIN_DIR/$DEFAULT_BINARY_NAME.app"
     APP_DEST_NAME="${APP_NAME}-${VERSION}-mac-arm64.app"
@@ -81,7 +82,7 @@ fi
 
 # --- macOS AMD64 构建 ---
 echo -e "${GREEN}🍎 正在构建 macOS (amd64)...${NC}"
-wails build -platform darwin/amd64 -clean
+wails build -platform darwin/amd64 -clean -ldflags "$LDFLAGS"
 if [ $? -eq 0 ]; then
     APP_SRC="$BUILD_BIN_DIR/$DEFAULT_BINARY_NAME.app"
     APP_DEST_NAME="${APP_NAME}-${VERSION}-mac-amd64.app"
@@ -131,19 +132,147 @@ fi
 # --- Windows AMD64 构建 ---
 echo -e "${GREEN}🪟 正在构建 Windows (amd64)...${NC}"
 if command -v x86_64-w64-mingw32-gcc &> /dev/null; then
-    wails build -platform windows/amd64 -clean
+    wails build -platform windows/amd64 -clean -ldflags "$LDFLAGS"
     if [ $? -eq 0 ]; then
         mv "$BUILD_BIN_DIR/${DEFAULT_BINARY_NAME}.exe" "$DIST_DIR/${APP_NAME}-${VERSION}-windows-amd64.exe"
         echo "   ✅ 已生成 ${APP_NAME}-${VERSION}-windows-amd64.exe"
     else
-        echo -e "${RED}   ❌ Windows 构建失败。${NC}"
+        echo -e "${RED}   ❌ Windows amd64 构建失败。${NC}"
     fi
 else
-    echo -e "${YELLOW}   ⚠️  未找到 MinGW 工具 (x86_64-w64-mingw32-gcc)，跳过 Windows 构建。${NC}"
+    echo -e "${YELLOW}   ⚠️  未找到 MinGW 工具 (x86_64-w64-mingw32-gcc)，跳过 Windows amd64 构建。${NC}"
+fi
+
+# --- Windows ARM64 构建 ---
+echo -e "${GREEN}🪟 正在构建 Windows (arm64)...${NC}"
+if command -v aarch64-w64-mingw32-gcc &> /dev/null; then
+    wails build -platform windows/arm64 -clean -ldflags "$LDFLAGS"
+    if [ $? -eq 0 ]; then
+        mv "$BUILD_BIN_DIR/${DEFAULT_BINARY_NAME}.exe" "$DIST_DIR/${APP_NAME}-${VERSION}-windows-arm64.exe"
+        echo "   ✅ 已生成 ${APP_NAME}-${VERSION}-windows-arm64.exe"
+    else
+        echo -e "${RED}   ❌ Windows arm64 构建失败。${NC}"
+    fi
+else
+    echo -e "${YELLOW}   ⚠️  未找到 MinGW ARM64 工具 (aarch64-w64-mingw32-gcc)，跳过 Windows arm64 构建。${NC}"
+    echo "      安装命令: brew install mingw-w64 (需要支持 ARM64 的版本)"
+fi
+
+# --- Linux AMD64 构建 ---
+echo -e "${GREEN}🐧 正在构建 Linux (amd64)...${NC}"
+# 检测当前系统
+CURRENT_OS=$(uname -s)
+CURRENT_ARCH=$(uname -m)
+
+if [ "$CURRENT_OS" = "Linux" ] && [ "$CURRENT_ARCH" = "x86_64" ]; then
+    # 本机 Linux amd64，直接构建
+    wails build -platform linux/amd64 -clean -ldflags "$LDFLAGS"
+    if [ $? -eq 0 ]; then
+        mv "$BUILD_BIN_DIR/${DEFAULT_BINARY_NAME}" "$DIST_DIR/${APP_NAME}-${VERSION}-linux-amd64"
+        chmod +x "$DIST_DIR/${APP_NAME}-${VERSION}-linux-amd64"
+        # 打包为 tar.gz
+        cd "$DIST_DIR"
+        tar -czvf "${APP_NAME}-${VERSION}-linux-amd64.tar.gz" "${APP_NAME}-${VERSION}-linux-amd64"
+        rm "${APP_NAME}-${VERSION}-linux-amd64"
+        cd ..
+        echo "   ✅ 已生成 ${APP_NAME}-${VERSION}-linux-amd64.tar.gz"
+    else
+        echo -e "${RED}   ❌ Linux amd64 构建失败。${NC}"
+    fi
+elif command -v x86_64-linux-gnu-gcc &> /dev/null; then
+    # macOS 或其他系统，尝试交叉编译
+    export CC=x86_64-linux-gnu-gcc
+    export CXX=x86_64-linux-gnu-g++
+    export CGO_ENABLED=1
+    wails build -platform linux/amd64 -clean -ldflags "$LDFLAGS"
+    if [ $? -eq 0 ]; then
+        mv "$BUILD_BIN_DIR/${DEFAULT_BINARY_NAME}" "$DIST_DIR/${APP_NAME}-${VERSION}-linux-amd64"
+        chmod +x "$DIST_DIR/${APP_NAME}-${VERSION}-linux-amd64"
+        cd "$DIST_DIR"
+        tar -czvf "${APP_NAME}-${VERSION}-linux-amd64.tar.gz" "${APP_NAME}-${VERSION}-linux-amd64"
+        rm "${APP_NAME}-${VERSION}-linux-amd64"
+        cd ..
+        echo "   ✅ 已生成 ${APP_NAME}-${VERSION}-linux-amd64.tar.gz"
+    else
+        echo -e "${RED}   ❌ Linux amd64 交叉编译失败。${NC}"
+    fi
+    unset CC CXX CGO_ENABLED
+else
+    echo -e "${YELLOW}   ⚠️  非 Linux 系统且未找到交叉编译工具，跳过 Linux amd64 构建。${NC}"
+    echo "      在 Linux 上运行此脚本可直接构建，或安装交叉编译工具链。"
+fi
+
+# --- Linux ARM64 构建 ---
+echo -e "${GREEN}🐧 正在构建 Linux (arm64)...${NC}"
+if [ "$CURRENT_OS" = "Linux" ] && [ "$CURRENT_ARCH" = "aarch64" ]; then
+    # 本机 Linux arm64，直接构建
+    wails build -platform linux/arm64 -clean -ldflags "$LDFLAGS"
+    if [ $? -eq 0 ]; then
+        mv "$BUILD_BIN_DIR/${DEFAULT_BINARY_NAME}" "$DIST_DIR/${APP_NAME}-${VERSION}-linux-arm64"
+        chmod +x "$DIST_DIR/${APP_NAME}-${VERSION}-linux-arm64"
+        cd "$DIST_DIR"
+        tar -czvf "${APP_NAME}-${VERSION}-linux-arm64.tar.gz" "${APP_NAME}-${VERSION}-linux-arm64"
+        rm "${APP_NAME}-${VERSION}-linux-arm64"
+        cd ..
+        echo "   ✅ 已生成 ${APP_NAME}-${VERSION}-linux-arm64.tar.gz"
+    else
+        echo -e "${RED}   ❌ Linux arm64 构建失败。${NC}"
+    fi
+elif command -v aarch64-linux-gnu-gcc &> /dev/null; then
+    # 交叉编译
+    export CC=aarch64-linux-gnu-gcc
+    export CXX=aarch64-linux-gnu-g++
+    export CGO_ENABLED=1
+    wails build -platform linux/arm64 -clean -ldflags "$LDFLAGS"
+    if [ $? -eq 0 ]; then
+        mv "$BUILD_BIN_DIR/${DEFAULT_BINARY_NAME}" "$DIST_DIR/${APP_NAME}-${VERSION}-linux-arm64"
+        chmod +x "$DIST_DIR/${APP_NAME}-${VERSION}-linux-arm64"
+        cd "$DIST_DIR"
+        tar -czvf "${APP_NAME}-${VERSION}-linux-arm64.tar.gz" "${APP_NAME}-${VERSION}-linux-arm64"
+        rm "${APP_NAME}-${VERSION}-linux-arm64"
+        cd ..
+        echo "   ✅ 已生成 ${APP_NAME}-${VERSION}-linux-arm64.tar.gz"
+    else
+        echo -e "${RED}   ❌ Linux arm64 交叉编译失败。${NC}"
+    fi
+    unset CC CXX CGO_ENABLED
+else
+    echo -e "${YELLOW}   ⚠️  非 Linux ARM64 系统且未找到交叉编译工具，跳过 Linux arm64 构建。${NC}"
+    echo "      安装命令 (Ubuntu): sudo apt install gcc-aarch64-linux-gnu g++-aarch64-linux-gnu"
+    echo "      安装命令 (macOS): brew install aarch64-linux-gnu-gcc (需要第三方 tap)"
 fi
 
 # 清理中间构建目录
 rm -rf "build/bin"
 
+echo -e "${GREEN}🔐 生成 SHA256SUMS...${NC}"
+if command -v sha256sum &> /dev/null; then
+    cd "$DIST_DIR"
+    : > SHA256SUMS
+    for f in *; do
+        [ -f "$f" ] || continue
+        sha256sum "$f" >> SHA256SUMS
+    done
+    cd ..
+elif command -v shasum &> /dev/null; then
+    cd "$DIST_DIR"
+    : > SHA256SUMS
+    for f in *; do
+        [ -f "$f" ] || continue
+        shasum -a 256 "$f" >> SHA256SUMS
+    done
+    cd ..
+else
+    echo -e "${YELLOW}   ⚠️  未找到 sha256sum/shasum，跳过校验文件生成。${NC}"
+fi
+
+echo ""
 echo -e "${GREEN}🎉 所有任务完成！构建产物在 'dist/' 目录下：${NC}"
-ls -1 "$DIST_DIR"
+ls -lh "$DIST_DIR"
+echo ""
+echo -e "${GREEN}📋 支持的平台：${NC}"
+echo "   • macOS (Intel/Apple Silicon): .dmg"
+echo "   • Windows (x64/ARM64): .exe"
+echo "   • Linux (x64/ARM64): .tar.gz"
+echo ""
+echo -e "${YELLOW}💡 提示：Linux AppImage 包请使用 GitHub Actions CI/CD 构建。${NC}"

build/darwin/Info.dev.plist

@@ -0,0 +1,68 @@
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+    <dict>
+        <key>CFBundlePackageType</key>
+        <string>APPL</string>
+        <key>CFBundleName</key>
+        <string>{{.Info.ProductName}}</string>
+        <key>CFBundleExecutable</key>
+        <string>{{.OutputFilename}}</string>
+        <key>CFBundleIdentifier</key>
+        <string>com.wails.{{.Name}}.dev</string>
+        <key>CFBundleVersion</key>
+        <string>{{.Info.ProductVersion}}</string>
+        <key>CFBundleGetInfoString</key>
+        <string>{{.Info.Comments}}</string>
+        <key>CFBundleShortVersionString</key>
+        <string>{{.Info.ProductVersion}}</string>
+        <key>CFBundleIconFile</key>
+        <string>iconfile</string>
+        <key>LSMinimumSystemVersion</key>
+        <string>10.13.0</string>
+        <key>NSHighResolutionCapable</key>
+        <string>true</string>
+        <key>NSHumanReadableCopyright</key>
+        <string>{{.Info.Copyright}}</string>
+        {{if .Info.FileAssociations}}
+        <key>CFBundleDocumentTypes</key>
+        <array>
+          {{range .Info.FileAssociations}}
+          <dict>
+            <key>CFBundleTypeExtensions</key>
+            <array>
+              <string>{{.Ext}}</string>
+            </array>
+            <key>CFBundleTypeName</key>
+            <string>{{.Name}}</string>
+            <key>CFBundleTypeRole</key>
+            <string>{{.Role}}</string>
+            <key>CFBundleTypeIconFile</key>
+            <string>{{.IconName}}</string>
+          </dict>
+          {{end}}
+        </array>
+        {{end}}
+        {{if .Info.Protocols}}
+        <key>CFBundleURLTypes</key>
+        <array>
+          {{range .Info.Protocols}}
+            <dict>
+                <key>CFBundleURLName</key>
+                <string>com.wails.{{.Scheme}}</string>
+                <key>CFBundleURLSchemes</key>
+                <array>
+                    <string>{{.Scheme}}</string>
+                </array>
+                <key>CFBundleTypeRole</key>
+                <string>{{.Role}}</string>
+            </dict>
+          {{end}}
+        </array>
+        {{end}}
+        <key>NSAppTransportSecurity</key>
+        <dict>
+            <key>NSAllowsLocalNetworking</key>
+            <true/>
+        </dict>
+    </dict>
+</plist>

build/darwin/Info.plist

@@ -0,0 +1,63 @@
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+    <dict>
+        <key>CFBundlePackageType</key>
+        <string>APPL</string>
+        <key>CFBundleName</key>
+        <string>{{.Info.ProductName}}</string>
+        <key>CFBundleExecutable</key>
+        <string>{{.OutputFilename}}</string>
+        <key>CFBundleIdentifier</key>
+        <string>com.wails.{{.Name}}</string>
+        <key>CFBundleVersion</key>
+        <string>{{.Info.ProductVersion}}</string>
+        <key>CFBundleGetInfoString</key>
+        <string>{{.Info.Comments}}</string>
+        <key>CFBundleShortVersionString</key>
+        <string>{{.Info.ProductVersion}}</string>
+        <key>CFBundleIconFile</key>
+        <string>iconfile</string>
+        <key>LSMinimumSystemVersion</key>
+        <string>10.13.0</string>
+        <key>NSHighResolutionCapable</key>
+        <string>true</string>
+        <key>NSHumanReadableCopyright</key>
+        <string>{{.Info.Copyright}}</string>
+        {{if .Info.FileAssociations}}
+        <key>CFBundleDocumentTypes</key>
+        <array>
+          {{range .Info.FileAssociations}}
+          <dict>
+            <key>CFBundleTypeExtensions</key>
+            <array>
+              <string>{{.Ext}}</string>
+            </array>
+            <key>CFBundleTypeName</key>
+            <string>{{.Name}}</string>
+            <key>CFBundleTypeRole</key>
+            <string>{{.Role}}</string>
+            <key>CFBundleTypeIconFile</key>
+            <string>{{.IconName}}</string>
+          </dict>
+          {{end}}
+        </array>
+        {{end}}
+        {{if .Info.Protocols}}
+        <key>CFBundleURLTypes</key>
+        <array>
+          {{range .Info.Protocols}}
+            <dict>
+                <key>CFBundleURLName</key>
+                <string>com.wails.{{.Scheme}}</string>
+                <key>CFBundleURLSchemes</key>
+                <array>
+                    <string>{{.Scheme}}</string>
+                </array>
+                <key>CFBundleTypeRole</key>
+                <string>{{.Role}}</string>
+            </dict>
+          {{end}}
+        </array>
+        {{end}}
+    </dict>
+</plist>

build/windows/info.json

@@ -0,0 +1,15 @@
+{
+	"fixed": {
+		"file_version": "{{.Info.ProductVersion}}"
+	},
+	"info": {
+		"0000": {
+			"ProductVersion": "{{.Info.ProductVersion}}",
+			"CompanyName": "{{.Info.CompanyName}}",
+			"FileDescription": "{{.Info.ProductName}}",
+			"LegalCopyright": "{{.Info.Copyright}}",
+			"ProductName": "{{.Info.ProductName}}",
+			"Comments": "{{.Info.Comments}}"
+		}
+	}
+}

build/windows/wails.exe.manifest

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1" xmlns:asmv3="urn:schemas-microsoft-com:asm.v3">
+    <assemblyIdentity type="win32" name="com.wails.{{.Name}}" version="{{.Info.ProductVersion}}.0" processorArchitecture="*"/>
+    <dependency>
+        <dependentAssembly>
+            <assemblyIdentity type="win32" name="Microsoft.Windows.Common-Controls" version="6.0.0.0" processorArchitecture="*" publicKeyToken="6595b64144ccf1df" language="*"/>
+        </dependentAssembly>
+    </dependency>
+    <asmv3:application>
+        <asmv3:windowsSettings>
+            <dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">true/pm</dpiAware> <!-- fallback for Windows 7 and 8 -->
+            <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">permonitorv2,permonitor</dpiAwareness> <!-- falls back to per-monitor if per-monitor v2 is not supported -->
+        </asmv3:windowsSettings>
+    </asmv3:application>
+</assembly>

cmd/mysql-driver-agent/main.go

@@ -0,0 +1,227 @@
+//go:build gonavi_mysql_driver
+
+package main
+
+import (
+	"bufio"
+	"encoding/json"
+	"fmt"
+	"os"
+	"strings"
+
+	"GoNavi-Wails/internal/connection"
+	"GoNavi-Wails/internal/db"
+)
+
+type mysqlAgentRequest struct {
+	ID        int64                        `json:"id"`
+	Method    string                       `json:"method"`
+	Config    *connection.ConnectionConfig `json:"config,omitempty"`
+	Query     string                       `json:"query,omitempty"`
+	DBName    string                       `json:"dbName,omitempty"`
+	TableName string                       `json:"tableName,omitempty"`
+	Changes   *connection.ChangeSet        `json:"changes,omitempty"`
+}
+
+type mysqlAgentResponse struct {
+	ID           int64       `json:"id"`
+	Success      bool        `json:"success"`
+	Error        string      `json:"error,omitempty"`
+	Data         interface{} `json:"data,omitempty"`
+	Fields       []string    `json:"fields,omitempty"`
+	RowsAffected int64       `json:"rowsAffected,omitempty"`
+}
+
+const (
+	mysqlAgentMethodConnect       = "connect"
+	mysqlAgentMethodClose         = "close"
+	mysqlAgentMethodPing          = "ping"
+	mysqlAgentMethodQuery         = "query"
+	mysqlAgentMethodExec          = "exec"
+	mysqlAgentMethodGetDatabases  = "getDatabases"
+	mysqlAgentMethodGetTables     = "getTables"
+	mysqlAgentMethodGetCreateStmt = "getCreateStatement"
+	mysqlAgentMethodGetColumns    = "getColumns"
+	mysqlAgentMethodGetAllColumns = "getAllColumns"
+	mysqlAgentMethodGetIndexes    = "getIndexes"
+	mysqlAgentMethodGetForeignKey = "getForeignKeys"
+	mysqlAgentMethodGetTriggers   = "getTriggers"
+	mysqlAgentMethodApplyChanges  = "applyChanges"
+)
+
+func main() {
+	scanner := bufio.NewScanner(os.Stdin)
+	scanner.Buffer(make([]byte, 0, 16<<10), 8<<20)
+	writer := bufio.NewWriter(os.Stdout)
+	defer writer.Flush()
+
+	var inst *db.MySQLDB
+	for scanner.Scan() {
+		line := strings.TrimSpace(scanner.Text())
+		if line == "" {
+			continue
+		}
+
+		var req mysqlAgentRequest
+		if err := json.Unmarshal([]byte(line), &req); err != nil {
+			_ = writeResponse(writer, mysqlAgentResponse{
+				ID:      req.ID,
+				Success: false,
+				Error:   fmt.Sprintf("解析请求失败：%v", err),
+			})
+			continue
+		}
+
+		resp := handleRequest(&inst, req)
+		if err := writeResponse(writer, resp); err != nil {
+			fmt.Fprintf(os.Stderr, "写入响应失败：%v\n", err)
+			break
+		}
+	}
+
+	if inst != nil {
+		_ = inst.Close()
+	}
+
+	if err := scanner.Err(); err != nil {
+		fmt.Fprintf(os.Stderr, "读取请求失败：%v\n", err)
+	}
+}
+
+func handleRequest(inst **db.MySQLDB, req mysqlAgentRequest) mysqlAgentResponse {
+	resp := mysqlAgentResponse{
+		ID:      req.ID,
+		Success: true,
+	}
+
+	switch strings.TrimSpace(req.Method) {
+	case mysqlAgentMethodConnect:
+		if req.Config == nil {
+			return fail(resp, "连接配置为空")
+		}
+		if *inst != nil {
+			_ = (*inst).Close()
+		}
+		next := &db.MySQLDB{}
+		if err := next.Connect(*req.Config); err != nil {
+			return fail(resp, err.Error())
+		}
+		*inst = next
+		return resp
+	case mysqlAgentMethodClose:
+		if *inst != nil {
+			if err := (*inst).Close(); err != nil {
+				return fail(resp, err.Error())
+			}
+			*inst = nil
+		}
+		return resp
+	}
+
+	if *inst == nil {
+		return fail(resp, "connection not open")
+	}
+
+	switch strings.TrimSpace(req.Method) {
+	case mysqlAgentMethodPing:
+		if err := (*inst).Ping(); err != nil {
+			return fail(resp, err.Error())
+		}
+	case mysqlAgentMethodQuery:
+		data, fields, err := (*inst).Query(req.Query)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+		resp.Fields = fields
+	case mysqlAgentMethodExec:
+		affected, err := (*inst).Exec(req.Query)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.RowsAffected = affected
+	case mysqlAgentMethodGetDatabases:
+		data, err := (*inst).GetDatabases()
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case mysqlAgentMethodGetTables:
+		data, err := (*inst).GetTables(req.DBName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case mysqlAgentMethodGetCreateStmt:
+		data, err := (*inst).GetCreateStatement(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case mysqlAgentMethodGetColumns:
+		data, err := (*inst).GetColumns(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case mysqlAgentMethodGetAllColumns:
+		data, err := (*inst).GetAllColumns(req.DBName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case mysqlAgentMethodGetIndexes:
+		data, err := (*inst).GetIndexes(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case mysqlAgentMethodGetForeignKey:
+		data, err := (*inst).GetForeignKeys(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case mysqlAgentMethodGetTriggers:
+		data, err := (*inst).GetTriggers(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case mysqlAgentMethodApplyChanges:
+		if req.Changes == nil {
+			return fail(resp, "变更集为空")
+		}
+		applier, ok := interface{}(*inst).(interface {
+			ApplyChanges(tableName string, changes connection.ChangeSet) error
+		})
+		if !ok {
+			return fail(resp, "当前驱动不支持 ApplyChanges")
+		}
+		if err := applier.ApplyChanges(req.TableName, *req.Changes); err != nil {
+			return fail(resp, err.Error())
+		}
+	default:
+		return fail(resp, "不支持的方法")
+	}
+
+	return resp
+}
+
+func writeResponse(writer *bufio.Writer, resp mysqlAgentResponse) error {
+	payload, err := json.Marshal(resp)
+	if err != nil {
+		return err
+	}
+	payload = append(payload, '\n')
+	if _, err := writer.Write(payload); err != nil {
+		return err
+	}
+	return writer.Flush()
+}
+
+func fail(resp mysqlAgentResponse, errText string) mysqlAgentResponse {
+	resp.Success = false
+	resp.Error = strings.TrimSpace(errText)
+	return resp
+}

cmd/optional-driver-agent/main.go

@@ -0,0 +1,330 @@
+package main
+
+import (
+	"bufio"
+	"context"
+	"encoding/json"
+	"fmt"
+	"os"
+	"reflect"
+	"strings"
+	"time"
+
+	"GoNavi-Wails/internal/connection"
+	"GoNavi-Wails/internal/db"
+)
+
+type agentRequest struct {
+	ID        int64                        `json:"id"`
+	Method    string                       `json:"method"`
+	Config    *connection.ConnectionConfig `json:"config,omitempty"`
+	Query     string                       `json:"query,omitempty"`
+	TimeoutMs int64                        `json:"timeoutMs,omitempty"`
+	DBName    string                       `json:"dbName,omitempty"`
+	TableName string                       `json:"tableName,omitempty"`
+	Changes   *connection.ChangeSet        `json:"changes,omitempty"`
+}
+
+type agentResponse struct {
+	ID           int64       `json:"id"`
+	Success      bool        `json:"success"`
+	Error        string      `json:"error,omitempty"`
+	Data         interface{} `json:"data,omitempty"`
+	Fields       []string    `json:"fields,omitempty"`
+	RowsAffected int64       `json:"rowsAffected,omitempty"`
+}
+
+const (
+	agentMethodConnect       = "connect"
+	agentMethodClose         = "close"
+	agentMethodPing          = "ping"
+	agentMethodQuery         = "query"
+	agentMethodExec          = "exec"
+	agentMethodGetDatabases  = "getDatabases"
+	agentMethodGetTables     = "getTables"
+	agentMethodGetCreateStmt = "getCreateStatement"
+	agentMethodGetColumns    = "getColumns"
+	agentMethodGetAllColumns = "getAllColumns"
+	agentMethodGetIndexes    = "getIndexes"
+	agentMethodGetForeignKey = "getForeignKeys"
+	agentMethodGetTriggers   = "getTriggers"
+	agentMethodApplyChanges  = "applyChanges"
+)
+
+const legacyClickHouseDefaultTimeout = 2 * time.Hour
+
+var (
+	agentDriverType      string
+	agentDatabaseFactory func() db.Database
+)
+
+func main() {
+	if agentDatabaseFactory == nil || strings.TrimSpace(agentDriverType) == "" {
+		fmt.Fprintf(os.Stderr, "未配置驱动代理 provider，请使用 gonavi_<driver>_driver 标签构建\n")
+		os.Exit(2)
+	}
+
+	scanner := bufio.NewScanner(os.Stdin)
+	scanner.Buffer(make([]byte, 0, 16<<10), 8<<20)
+	writer := bufio.NewWriter(os.Stdout)
+	defer writer.Flush()
+
+	var inst db.Database
+	for scanner.Scan() {
+		line := strings.TrimSpace(scanner.Text())
+		if line == "" {
+			continue
+		}
+
+		var req agentRequest
+		if err := json.Unmarshal([]byte(line), &req); err != nil {
+			_ = writeResponse(writer, agentResponse{
+				ID:      req.ID,
+				Success: false,
+				Error:   fmt.Sprintf("解析请求失败：%v", err),
+			})
+			continue
+		}
+
+		resp := handleRequest(&inst, req)
+		if err := writeResponse(writer, resp); err != nil {
+			fmt.Fprintf(os.Stderr, "写入响应失败：%v\n", err)
+			break
+		}
+	}
+
+	if inst != nil {
+		_ = inst.Close()
+	}
+
+	if err := scanner.Err(); err != nil {
+		fmt.Fprintf(os.Stderr, "读取请求失败：%v\n", err)
+	}
+}
+
+func handleRequest(inst *db.Database, req agentRequest) agentResponse {
+	resp := agentResponse{ID: req.ID, Success: true}
+	method := strings.TrimSpace(req.Method)
+
+	switch method {
+	case agentMethodConnect:
+		if req.Config == nil {
+			return fail(resp, "连接配置为空")
+		}
+		if *inst != nil {
+			_ = (*inst).Close()
+		}
+		next := agentDatabaseFactory()
+		if next == nil {
+			return fail(resp, "驱动代理初始化失败")
+		}
+		if err := next.Connect(*req.Config); err != nil {
+			return fail(resp, err.Error())
+		}
+		*inst = next
+		return resp
+	case agentMethodClose:
+		if *inst != nil {
+			if err := (*inst).Close(); err != nil {
+				return fail(resp, err.Error())
+			}
+			*inst = nil
+		}
+		return resp
+	}
+
+	if *inst == nil {
+		return fail(resp, "connection not open")
+	}
+
+	switch method {
+	case agentMethodPing:
+		if err := (*inst).Ping(); err != nil {
+			return fail(resp, err.Error())
+		}
+	case agentMethodQuery:
+		data, fields, err := queryWithOptionalTimeout(*inst, req.Query, req.TimeoutMs)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+		resp.Fields = fields
+	case agentMethodExec:
+		affected, err := execWithOptionalTimeout(*inst, req.Query, req.TimeoutMs)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.RowsAffected = affected
+	case agentMethodGetDatabases:
+		data, err := (*inst).GetDatabases()
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case agentMethodGetTables:
+		data, err := (*inst).GetTables(req.DBName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case agentMethodGetCreateStmt:
+		data, err := (*inst).GetCreateStatement(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case agentMethodGetColumns:
+		data, err := (*inst).GetColumns(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case agentMethodGetAllColumns:
+		data, err := (*inst).GetAllColumns(req.DBName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case agentMethodGetIndexes:
+		data, err := (*inst).GetIndexes(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case agentMethodGetForeignKey:
+		data, err := (*inst).GetForeignKeys(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case agentMethodGetTriggers:
+		data, err := (*inst).GetTriggers(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case agentMethodApplyChanges:
+		if req.Changes == nil {
+			return fail(resp, "变更集为空")
+		}
+		applier, ok := (*inst).(interface {
+			ApplyChanges(tableName string, changes connection.ChangeSet) error
+		})
+		if !ok {
+			return fail(resp, "当前驱动不支持 ApplyChanges")
+		}
+		if err := applier.ApplyChanges(req.TableName, *req.Changes); err != nil {
+			return fail(resp, err.Error())
+		}
+	default:
+		return fail(resp, "不支持的方法")
+	}
+
+	return resp
+}
+
+func writeResponse(writer *bufio.Writer, resp agentResponse) error {
+	// 对响应数据做统一 JSON 安全归一化：
+	// 将 map[any]any（如 duckdb.Map）递归转换为 map[string]any，避免序列化失败导致代理进程退出。
+	safeResp := resp
+	safeResp.Data = normalizeAgentResponseData(resp.Data)
+	payload, err := json.Marshal(safeResp)
+	if err != nil {
+		return err
+	}
+	payload = append(payload, '\n')
+	if _, err := writer.Write(payload); err != nil {
+		return err
+	}
+	return writer.Flush()
+}
+
+func fail(resp agentResponse, errText string) agentResponse {
+	resp.Success = false
+	resp.Error = strings.TrimSpace(errText)
+	return resp
+}
+
+func normalizeAgentResponseData(v interface{}) interface{} {
+	if v == nil {
+		return nil
+	}
+
+	rv := reflect.ValueOf(v)
+	switch rv.Kind() {
+	case reflect.Pointer, reflect.Interface:
+		if rv.IsNil() {
+			return nil
+		}
+		return normalizeAgentResponseData(rv.Elem().Interface())
+	case reflect.Map:
+		if rv.IsNil() {
+			return nil
+		}
+		out := make(map[string]interface{}, rv.Len())
+		iter := rv.MapRange()
+		for iter.Next() {
+			out[fmt.Sprint(iter.Key().Interface())] = normalizeAgentResponseData(iter.Value().Interface())
+		}
+		return out
+	case reflect.Slice:
+		if rv.IsNil() {
+			return nil
+		}
+		// 保持 []byte 原样，避免改变现有二进制列的 JSON 编码行为（base64）。
+		if rv.Type().Elem().Kind() == reflect.Uint8 {
+			return v
+		}
+		size := rv.Len()
+		items := make([]interface{}, size)
+		for i := 0; i < size; i++ {
+			items[i] = normalizeAgentResponseData(rv.Index(i).Interface())
+		}
+		return items
+	case reflect.Array:
+		size := rv.Len()
+		items := make([]interface{}, size)
+		for i := 0; i < size; i++ {
+			items[i] = normalizeAgentResponseData(rv.Index(i).Interface())
+		}
+		return items
+	default:
+		return v
+	}
+}
+
+func queryWithOptionalTimeout(inst db.Database, query string, timeoutMs int64) ([]map[string]interface{}, []string, error) {
+	effectiveTimeoutMs := timeoutMs
+	if effectiveTimeoutMs <= 0 && strings.EqualFold(strings.TrimSpace(agentDriverType), "clickhouse") {
+		effectiveTimeoutMs = int64(legacyClickHouseDefaultTimeout / time.Millisecond)
+	}
+	if effectiveTimeoutMs <= 0 {
+		return inst.Query(query)
+	}
+	if q, ok := inst.(interface {
+		QueryContext(context.Context, string) ([]map[string]interface{}, []string, error)
+	}); ok {
+		ctx, cancel := context.WithTimeout(context.Background(), time.Duration(effectiveTimeoutMs)*time.Millisecond)
+		defer cancel()
+		return q.QueryContext(ctx, query)
+	}
+	return inst.Query(query)
+}
+
+func execWithOptionalTimeout(inst db.Database, query string, timeoutMs int64) (int64, error) {
+	effectiveTimeoutMs := timeoutMs
+	if effectiveTimeoutMs <= 0 && strings.EqualFold(strings.TrimSpace(agentDriverType), "clickhouse") {
+		effectiveTimeoutMs = int64(legacyClickHouseDefaultTimeout / time.Millisecond)
+	}
+	if effectiveTimeoutMs <= 0 {
+		return inst.Exec(query)
+	}
+	if e, ok := inst.(interface {
+		ExecContext(context.Context, string) (int64, error)
+	}); ok {
+		ctx, cancel := context.WithTimeout(context.Background(), time.Duration(effectiveTimeoutMs)*time.Millisecond)
+		defer cancel()
+		return e.ExecContext(ctx, query)
+	}
+	return inst.Exec(query)
+}

cmd/optional-driver-agent/main_test.go

@@ -0,0 +1,172 @@
+package main
+
+import (
+	"bufio"
+	"bytes"
+	"context"
+	"encoding/json"
+	"errors"
+	"testing"
+	"time"
+
+	"GoNavi-Wails/internal/connection"
+)
+
+type duckMapLike map[any]any
+
+func TestWriteResponse_NormalizesMapAnyAny(t *testing.T) {
+	resp := agentResponse{
+		ID:      1,
+		Success: true,
+		Data: []map[string]interface{}{
+			{
+				"id":   int64(7),
+				"meta": duckMapLike{"k": "v", 2: "two"},
+			},
+		},
+	}
+
+	var out bytes.Buffer
+	writer := bufio.NewWriter(&out)
+	if err := writeResponse(writer, resp); err != nil {
+		t.Fatalf("writeResponse 返回错误: %v", err)
+	}
+
+	var decoded struct {
+		Data []map[string]interface{} `json:"data"`
+	}
+	if err := json.Unmarshal(bytes.TrimSpace(out.Bytes()), &decoded); err != nil {
+		t.Fatalf("解码响应失败: %v", err)
+	}
+
+	if len(decoded.Data) != 1 {
+		t.Fatalf("期望 1 行数据，实际 %d", len(decoded.Data))
+	}
+	meta, ok := decoded.Data[0]["meta"].(map[string]interface{})
+	if !ok {
+		t.Fatalf("meta 字段类型异常: %T", decoded.Data[0]["meta"])
+	}
+	if meta["k"] != "v" {
+		t.Fatalf("字符串 key 转换异常: %v", meta["k"])
+	}
+	if meta["2"] != "two" {
+		t.Fatalf("数字 key 未字符串化: %v", meta["2"])
+	}
+}
+
+func TestNormalizeAgentResponseData_KeepByteSlice(t *testing.T) {
+	raw := []byte{0x61, 0x62, 0x63}
+	normalized := normalizeAgentResponseData(raw)
+	out, ok := normalized.([]byte)
+	if !ok {
+		t.Fatalf("期望 []byte，实际 %T", normalized)
+	}
+	if !bytes.Equal(out, raw) {
+		t.Fatalf("[]byte 内容被意外改写: %v", out)
+	}
+}
+
+type fakeAgentTimeoutDB struct {
+	queryCalled        bool
+	queryContextCalled bool
+	execCalled         bool
+	execContextCalled  bool
+	deadlineSet        bool
+}
+
+func (f *fakeAgentTimeoutDB) Connect(config connection.ConnectionConfig) error { return nil }
+func (f *fakeAgentTimeoutDB) Close() error                                     { return nil }
+func (f *fakeAgentTimeoutDB) Ping() error                                      { return nil }
+func (f *fakeAgentTimeoutDB) Query(query string) ([]map[string]interface{}, []string, error) {
+	f.queryCalled = true
+	return nil, nil, errors.New("query should not be called")
+}
+func (f *fakeAgentTimeoutDB) QueryContext(ctx context.Context, query string) ([]map[string]interface{}, []string, error) {
+	f.queryContextCalled = true
+	if _, ok := ctx.Deadline(); ok {
+		f.deadlineSet = true
+	}
+	return []map[string]interface{}{{"ok": 1}}, []string{"ok"}, nil
+}
+func (f *fakeAgentTimeoutDB) Exec(query string) (int64, error) {
+	f.execCalled = true
+	return 0, errors.New("exec should not be called")
+}
+func (f *fakeAgentTimeoutDB) ExecContext(ctx context.Context, query string) (int64, error) {
+	f.execContextCalled = true
+	if _, ok := ctx.Deadline(); ok {
+		f.deadlineSet = true
+	}
+	return 3, nil
+}
+func (f *fakeAgentTimeoutDB) GetDatabases() ([]string, error) { return nil, nil }
+func (f *fakeAgentTimeoutDB) GetTables(dbName string) ([]string, error) {
+	return nil, nil
+}
+func (f *fakeAgentTimeoutDB) GetCreateStatement(dbName, tableName string) (string, error) {
+	return "", nil
+}
+func (f *fakeAgentTimeoutDB) GetColumns(dbName, tableName string) ([]connection.ColumnDefinition, error) {
+	return nil, nil
+}
+func (f *fakeAgentTimeoutDB) GetAllColumns(dbName string) ([]connection.ColumnDefinitionWithTable, error) {
+	return nil, nil
+}
+func (f *fakeAgentTimeoutDB) GetIndexes(dbName, tableName string) ([]connection.IndexDefinition, error) {
+	return nil, nil
+}
+func (f *fakeAgentTimeoutDB) GetForeignKeys(dbName, tableName string) ([]connection.ForeignKeyDefinition, error) {
+	return nil, nil
+}
+func (f *fakeAgentTimeoutDB) GetTriggers(dbName, tableName string) ([]connection.TriggerDefinition, error) {
+	return nil, nil
+}
+
+func TestQueryWithOptionalTimeout_UsesQueryContext(t *testing.T) {
+	fake := &fakeAgentTimeoutDB{}
+	data, fields, err := queryWithOptionalTimeout(fake, "SELECT 1", int64((2 * time.Second).Milliseconds()))
+	if err != nil {
+		t.Fatalf("queryWithOptionalTimeout 返回错误: %v", err)
+	}
+	if !fake.queryContextCalled || fake.queryCalled {
+		t.Fatalf("query 调用路径异常，QueryContext=%v Query=%v", fake.queryContextCalled, fake.queryCalled)
+	}
+	if !fake.deadlineSet {
+		t.Fatal("queryWithOptionalTimeout 未设置 deadline")
+	}
+	if len(data) != 1 || len(fields) != 1 || fields[0] != "ok" {
+		t.Fatalf("queryWithOptionalTimeout 返回数据异常: data=%v fields=%v", data, fields)
+	}
+}
+
+func TestExecWithOptionalTimeout_UsesExecContext(t *testing.T) {
+	fake := &fakeAgentTimeoutDB{}
+	affected, err := execWithOptionalTimeout(fake, "DELETE FROM t", int64((2 * time.Second).Milliseconds()))
+	if err != nil {
+		t.Fatalf("execWithOptionalTimeout 返回错误: %v", err)
+	}
+	if !fake.execContextCalled || fake.execCalled {
+		t.Fatalf("exec 调用路径异常，ExecContext=%v Exec=%v", fake.execContextCalled, fake.execCalled)
+	}
+	if !fake.deadlineSet {
+		t.Fatal("execWithOptionalTimeout 未设置 deadline")
+	}
+	if affected != 3 {
+		t.Fatalf("受影响行数异常，want=3 got=%d", affected)
+	}
+}
+
+func TestQueryWithOptionalTimeout_ClickHouseLegacyModeUsesQueryContext(t *testing.T) {
+	old := agentDriverType
+	agentDriverType = "clickhouse"
+	defer func() { agentDriverType = old }()
+
+	fake := &fakeAgentTimeoutDB{}
+	_, _, err := queryWithOptionalTimeout(fake, "SELECT 1", 0)
+	if err != nil {
+		t.Fatalf("queryWithOptionalTimeout 返回错误: %v", err)
+	}
+	if !fake.queryContextCalled || fake.queryCalled {
+		t.Fatalf("clickhouse legacy query 调用路径异常，QueryContext=%v Query=%v", fake.queryContextCalled, fake.queryCalled)
+	}
+}

cmd/optional-driver-agent/provider_clickhouse.go

@@ -0,0 +1,12 @@
+//go:build gonavi_clickhouse_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "clickhouse"
+	agentDatabaseFactory = func() db.Database {
+		return &db.ClickHouseDB{}
+	}
+}

cmd/optional-driver-agent/provider_dameng.go

@@ -0,0 +1,12 @@
+//go:build gonavi_dameng_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "dameng"
+	agentDatabaseFactory = func() db.Database {
+		return &db.DamengDB{}
+	}
+}

cmd/optional-driver-agent/provider_diros.go

@@ -0,0 +1,12 @@
+//go:build gonavi_diros_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "diros"
+	agentDatabaseFactory = func() db.Database {
+		return &db.DirosDB{}
+	}
+}

cmd/optional-driver-agent/provider_duckdb.go

@@ -0,0 +1,12 @@
+//go:build gonavi_duckdb_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "duckdb"
+	agentDatabaseFactory = func() db.Database {
+		return &db.DuckDB{}
+	}
+}

cmd/optional-driver-agent/provider_highgo.go

@@ -0,0 +1,12 @@
+//go:build gonavi_highgo_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "highgo"
+	agentDatabaseFactory = func() db.Database {
+		return &db.HighGoDB{}
+	}
+}

cmd/optional-driver-agent/provider_kingbase.go

@@ -0,0 +1,12 @@
+//go:build gonavi_kingbase_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "kingbase"
+	agentDatabaseFactory = func() db.Database {
+		return &db.KingbaseDB{}
+	}
+}

cmd/optional-driver-agent/provider_mariadb.go

@@ -0,0 +1,12 @@
+//go:build gonavi_mariadb_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "mariadb"
+	agentDatabaseFactory = func() db.Database {
+		return &db.MariaDB{}
+	}
+}

cmd/optional-driver-agent/provider_mongodb.go

@@ -0,0 +1,12 @@
+//go:build gonavi_mongodb_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "mongodb"
+	agentDatabaseFactory = func() db.Database {
+		return &db.MongoDB{}
+	}
+}

cmd/optional-driver-agent/provider_mongodb_v1.go

@@ -0,0 +1,12 @@
+//go:build gonavi_mongodb_driver_v1
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "mongodb"
+	agentDatabaseFactory = func() db.Database {
+		return &db.MongoDBV1{}
+	}
+}

cmd/optional-driver-agent/provider_mysql.go

@@ -0,0 +1,12 @@
+//go:build gonavi_mysql_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "mysql"
+	agentDatabaseFactory = func() db.Database {
+		return &db.MySQLDB{}
+	}
+}

cmd/optional-driver-agent/provider_sphinx.go

@@ -0,0 +1,12 @@
+//go:build gonavi_sphinx_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "sphinx"
+	agentDatabaseFactory = func() db.Database {
+		return &db.SphinxDB{}
+	}
+}

cmd/optional-driver-agent/provider_sqlite.go

@@ -0,0 +1,12 @@
+//go:build gonavi_sqlite_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "sqlite"
+	agentDatabaseFactory = func() db.Database {
+		return &db.SQLiteDB{}
+	}
+}

cmd/optional-driver-agent/provider_sqlserver.go

@@ -0,0 +1,12 @@
+//go:build gonavi_sqlserver_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "sqlserver"
+	agentDatabaseFactory = func() db.Database {
+		return &db.SqlServerDB{}
+	}
+}

cmd/optional-driver-agent/provider_tdengine.go

@@ -0,0 +1,12 @@
+//go:build gonavi_tdengine_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "tdengine"
+	agentDatabaseFactory = func() db.Database {
+		return &db.TDengineDB{}
+	}
+}

cmd/optional-driver-agent/provider_vastbase.go

@@ -0,0 +1,12 @@
+//go:build gonavi_vastbase_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "vastbase"
+	agentDatabaseFactory = func() db.Database {
+		return &db.VastbaseDB{}
+	}
+}

docs/driver-manifest.json

@@ -0,0 +1,89 @@
+{
+  "engine": "go",
+  "drivers": {
+    "mariadb": {
+      "engine": "go",
+      "version": "1.9.3",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/mariadb"
+    },
+    "doris": {
+      "engine": "go",
+      "version": "1.9.3",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/doris"
+    },
+    "sphinx": {
+      "engine": "go",
+      "version": "1.9.3",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/sphinx"
+    },
+    "sqlserver": {
+      "engine": "go",
+      "version": "1.9.6",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/sqlserver"
+    },
+    "sqlite": {
+      "engine": "go",
+      "version": "1.44.3",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/sqlite"
+    },
+    "duckdb": {
+      "engine": "go",
+      "version": "2.5.6",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/duckdb"
+    },
+    "dameng": {
+      "engine": "go",
+      "version": "1.8.22",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/dameng"
+    },
+    "kingbase": {
+      "engine": "go",
+      "version": "0.0.0-20201021123113-29bd62a876c3",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/kingbase"
+    },
+    "highgo": {
+      "engine": "go",
+      "version": "0.0.0-local",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/highgo"
+    },
+    "vastbase": {
+      "engine": "go",
+      "version": "1.11.1",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/vastbase"
+    },
+    "mongodb": {
+      "engine": "go",
+      "version": "2.5.0",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/mongodb"
+    },
+    "tdengine": {
+      "engine": "go",
+      "version": "3.7.8",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/tdengine"
+    },
+    "clickhouse": {
+      "engine": "go",
+      "version": "2.43.1",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/clickhouse"
+    },
+    "postgres": {
+      "engine": "go",
+      "version": "1.11.1",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/postgres"
+    }
+  }
+}

frontend/.gitignore

@@ -0,0 +1 @@
+.ace-tool/

frontend/index.html

@@ -2,7 +2,7 @@
 <html lang="en">
   <head>
     <meta charset="UTF-8" />
-    <link rel="icon" type="image/svg+xml" href="/vite.svg" />
+    <link rel="icon" type="image/svg+xml" href="/logo.svg" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>GoNavi</title>
   </head>
@@ -10,4 +10,4 @@
     <div id="root"></div>
     <script type="module" src="/src/main.tsx"></script>
   </body>
-</html>
+</html>

frontend/package-lock.json

@@ -27,6 +27,7 @@
         "@types/react": "^18.2.43",
         "@types/react-dom": "^18.2.17",
         "@types/react-resizable": "^3.0.8",
+        "@types/uuid": "^9.0.7",
         "@vitejs/plugin-react": "^4.2.1",
         "typescript": "^5.2.2",
         "vite": "^5.0.8"
@@ -1565,6 +1566,13 @@
       "optional": true,
       "peer": true
     },
+    "node_modules/@types/uuid": {
+      "version": "9.0.8",
+      "resolved": "https://registry.npmjs.org/@types/uuid/-/uuid-9.0.8.tgz",
+      "integrity": "sha512-jg+97EGIcY9AGHJJRaaPVgetKDsrTgbRjQ5Msgjh/DQKEFl0DtyRr/VCOyD1T2R1MNeWPK/u7JoGhlDZnKBAfA==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@vitejs/plugin-react": {
       "version": "4.7.0",
       "resolved": "https://registry.npmjs.org/@vitejs/plugin-react/-/plugin-react-4.7.0.tgz",

frontend/package.json.md5

@@ -1 +1 @@
-c1af19c07654ec9f98628c358ae49b1a
+5b8157374dae5f9340e31b2d0bd2c00e

frontend/public/logo.svg

@@ -0,0 +1,52 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
+  <defs>
+    <!-- Background: Soft Light Grey -->
+    <linearGradient id="bgSoft" x1="0%" y1="0%" x2="0%" y2="100%">
+      <stop offset="0%" style="stop-color:#f5f7fa;stop-opacity:1" />
+      <stop offset="100%" style="stop-color:#c3cfe2;stop-opacity:1" />
+    </linearGradient>
+
+    <!-- Hexagon: Solid Tech Pink -->
+    <linearGradient id="solidPink" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" style="stop-color:#FF5F6D;stop-opacity:1" />
+      <stop offset="100%" style="stop-color:#FFC371;stop-opacity:1" /> 
+    </linearGradient>
+
+    <!-- N: Solid Tech Blue/Cyan -->
+    <linearGradient id="solidCyan" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" style="stop-color:#00c6ff;stop-opacity:1" />
+      <stop offset="100%" style="stop-color:#0072ff;stop-opacity:1" />
+    </linearGradient>
+
+    <filter id="hardShadow" x="-20%" y="-20%" width="140%" height="140%">
+      <feGaussianBlur in="SourceAlpha" stdDeviation="4"/>
+      <feOffset dx="4" dy="4" result="offsetblur"/>
+      <feComponentTransfer>
+        <feFuncA type="linear" slope="0.2"/>
+      </feComponentTransfer>
+      <feMerge>
+        <feMergeNode/>
+        <feMergeNode in="SourceGraphic"/>
+      </feMerge>
+    </filter>
+  </defs>
+
+  <!-- Background -->
+  <rect x="32" y="32" width="448" height="448" rx="100" fill="url(#bgSoft)" />
+
+  <!-- Main Content Centered -->
+  <g transform="translate(106, 106) scale(0.6)" filter="url(#hardShadow)">
+    
+    <!-- Hex G -->
+    <path d="M 250 0 L 466 125 L 466 375 L 250 500 L 34 375 L 34 125 Z" 
+          fill="none" stroke="url(#solidPink)" stroke-width="45" stroke-linejoin="round"/>
+          
+    <!-- G Crossbar -->
+    <path d="M 466 300 L 330 300" stroke="url(#solidPink)" stroke-width="45" stroke-linecap="round"/>
+
+    <!-- Inner N -->
+    <path d="M 160 350 L 160 150 L 340 350 L 340 150" 
+          fill="none" stroke="url(#solidCyan)" stroke-width="50" stroke-linecap="round" stroke-linejoin="round"/>
+
+  </g>
+</svg>

frontend/src/App.css

@@ -3,6 +3,11 @@ html, body, #root {
   margin: 0;
   padding: 0;
   overflow: hidden; /* Disable global scrollbar */
+  background-color: transparent !important; /* CRITICAL: Allow Wails window transparency */
+}
+
+body, #root {
+  border-radius: 14px; /* Slightly rounded app window corners */
 }
 
 /* 侧边栏 Tree 样式优化 */
@@ -30,4 +35,178 @@ html, body, #root {
   text-overflow: ellipsis;
   white-space: nowrap;
   padding-right: 8px;
-}
+}
+
+/* Scrollbar styling for dark mode */
+body[data-theme='dark'] ::-webkit-scrollbar {
+    width: 10px;
+    height: 10px;
+}
+body[data-theme='dark'] ::-webkit-scrollbar-track {
+    background: #1f1f1f;
+}
+body[data-theme='dark'] ::-webkit-scrollbar-corner {
+    background: #1f1f1f;
+}
+body[data-theme='dark'] ::-webkit-scrollbar-thumb {
+    background: #424242;
+    border-radius: 4px;
+    border: 2px solid #1f1f1f;
+}
+body[data-theme='dark'] ::-webkit-scrollbar-thumb:hover {
+    background: #666;
+}
+
+/* Scrollbar styling for light mode (transparent-friendly) */
+body[data-theme='light'] ::-webkit-scrollbar {
+    width: 10px;
+    height: 10px;
+}
+body[data-theme='light'] ::-webkit-scrollbar-track {
+    background: transparent;
+}
+body[data-theme='light'] ::-webkit-scrollbar-corner {
+    background: transparent;
+}
+body[data-theme='light'] ::-webkit-scrollbar-thumb {
+    background: rgba(0, 0, 0, 0.18);
+    border-radius: 4px;
+    border: 2px solid transparent;
+    background-clip: content-box;
+}
+body[data-theme='light'] ::-webkit-scrollbar-thumb:hover {
+    background: rgba(0, 0, 0, 0.30);
+    border: 2px solid transparent;
+    background-clip: content-box;
+}
+
+/* Ensure body background matches theme to avoid white flashes, but kept transparent for window composition */
+body {
+    transition: color 0.3s;
+}
+
+body[data-theme='dark'] {
+    /* 移除全局 text-shadow：对每个文本元素增加 GPU compositing 成本，
+       在透明窗口环境下会显著加剧 GPU 负载 */
+}
+
+/* 暗色 + 透明：提升选中/焦点可读性，避免默认蓝色在半透明背景下发灰 */
+body[data-theme='dark'] .ant-tree .ant-tree-node-content-wrapper.ant-tree-node-selected,
+body[data-theme='dark'] .ant-tree .ant-tree-node-content-wrapper.ant-tree-node-selected:hover {
+    background: rgba(246, 196, 83, 0.24) !important;
+    color: rgba(255, 236, 179, 0.98) !important;
+}
+
+body[data-theme='dark'] .ant-checkbox-checked .ant-checkbox-inner {
+    background-color: #f6c453 !important;
+    border-color: #f6c453 !important;
+}
+
+body[data-theme='dark'] .ant-checkbox-indeterminate .ant-checkbox-inner::after {
+    background-color: #f6c453 !important;
+}
+
+body[data-theme='dark'] .ant-checkbox:hover .ant-checkbox-inner,
+body[data-theme='dark'] .ant-checkbox-wrapper:hover .ant-checkbox-inner {
+    border-color: #f6c453 !important;
+}
+
+body[data-theme='dark'] .ant-radio-checked .ant-radio-inner {
+    border-color: #f6c453 !important;
+    background-color: #f6c453 !important;
+}
+
+body[data-theme='dark'] .ant-radio-wrapper:hover .ant-radio-inner,
+body[data-theme='dark'] .ant-radio:hover .ant-radio-inner {
+    border-color: #f6c453 !important;
+}
+
+body[data-theme='dark'] .ant-switch.ant-switch-checked {
+    background: #d8a93b !important;
+}
+
+body[data-theme='dark'] .ant-table-tbody > tr.ant-table-row-selected > td,
+body[data-theme='dark'] .ant-table-tbody .ant-table-row.ant-table-row-selected > .ant-table-cell {
+    background: rgba(246, 196, 83, 0.18) !important;
+}
+
+body[data-theme='dark'] .ant-table-tbody > tr.ant-table-row-selected:hover > td,
+body[data-theme='dark'] .ant-table-tbody .ant-table-row.ant-table-row-selected:hover > .ant-table-cell {
+    background: rgba(246, 196, 83, 0.26) !important;
+}
+
+/* 连接配置弹窗：滚动仅在弹窗 body 内部，不使用外层 wrap 滚动条 */
+.connection-modal-wrap {
+    overflow: hidden !important;
+}
+
+.connection-modal-wrap .ant-modal-content {
+    max-height: calc(100vh - 72px);
+    display: flex;
+    flex-direction: column;
+}
+
+.connection-modal-wrap .ant-modal-body {
+    flex: 1 1 auto;
+    min-height: 0;
+}
+
+.connection-modal-wrap .ant-modal-footer {
+    flex-shrink: 0;
+}
+
+/* Custom Title Bar Close Button Hover */
+.titlebar-close-btn:hover {
+    background-color: #ff4d4f !important;
+    color: #fff !important;
+}
+
+/* 驱动管理：统一关闭 antd sticky 横向条，仅保留自定义独立横向条 */
+.driver-manager-table .ant-table-sticky-scroll {
+    display: none !important;
+}
+
+/* 仅在独立横向条激活时隐藏表格自身横向滚动条，避免出现双横向条 */
+.driver-manager-table-wrap.driver-manager-table-wrap-external-active .driver-manager-table .ant-table-content,
+.driver-manager-table-wrap.driver-manager-table-wrap-external-active .driver-manager-table .ant-table-body {
+    overflow-x: auto !important;
+    -ms-overflow-style: none;
+    scrollbar-width: none;
+}
+
+.driver-manager-table-wrap.driver-manager-table-wrap-external-active .driver-manager-table .ant-table-content::-webkit-scrollbar:horizontal,
+.driver-manager-table-wrap.driver-manager-table-wrap-external-active .driver-manager-table .ant-table-body::-webkit-scrollbar:horizontal {
+    height: 0 !important;
+}
+
+.driver-manager-table-wrap {
+    width: 100%;
+    max-width: 100%;
+    overflow-x: hidden;
+}
+
+.driver-manager-footer {
+    width: 100%;
+    display: flex;
+    flex-direction: column;
+    gap: 8px;
+}
+
+.driver-manager-footer-actions {
+    width: 100%;
+    display: flex;
+    justify-content: flex-end;
+}
+
+.driver-manager-hscroll {
+    width: 100%;
+    height: 12px;
+    overflow-x: auto;
+    overflow-y: hidden;
+    scrollbar-gutter: stable;
+    background: transparent;
+}
+
+.driver-manager-hscroll-inner {
+    height: 1px;
+}

frontend/src/components/DataSyncModal.tsx

@@ -1,14 +1,36 @@
-import React, { useState, useEffect } from 'react';
-import { Modal, Form, Select, Button, message, Steps, Transfer, Card, Alert, Divider, Typography } from 'antd';
+import React, { useState, useEffect, useRef } from 'react';
+import { Modal, Form, Select, Button, message, Steps, Transfer, Card, Alert, Divider, Typography, Progress, Checkbox, Table, Drawer, Tabs } from 'antd';
 import { useStore } from '../store';
-import { DBGetDatabases, DBGetTables, DataSync } from '../../wailsjs/go/app/App';
+import { DBGetDatabases, DBGetTables, DataSync, DataSyncAnalyze, DataSyncPreview } from '../../wailsjs/go/app/App';
 import { SavedConnection } from '../types';
-import { connection } from '../../wailsjs/go/models';
+import { EventsOn } from '../../wailsjs/runtime/runtime';
 
 const { Title, Text } = Typography;
 const { Step } = Steps;
 const { Option } = Select;
 
+type SyncLogEvent = { jobId: string; level?: string; message?: string; ts?: number };
+type SyncProgressEvent = { jobId: string; percent?: number; current?: number; total?: number; table?: string; stage?: string };
+type SyncLogItem = { level: string; message: string; ts?: number };
+type TableDiffSummary = {
+  table: string;
+  pkColumn?: string;
+  canSync?: boolean;
+  inserts?: number;
+  updates?: number;
+  deletes?: number;
+  same?: number;
+  message?: string;
+};
+type TableOps = {
+  insert: boolean;
+  update: boolean;
+  delete: boolean;
+  selectedInsertPks?: string[];
+  selectedUpdatePks?: string[];
+  selectedDeletePks?: string[];
+};
+
 const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open, onClose }) => {
   const connections = useStore((state) => state.connections);
   const [currentStep, setCurrentStep] = useState(0);
@@ -27,8 +49,76 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
   const [allTables, setAllTables] = useState<string[]>([]);
   const [selectedTables, setSelectedTables] = useState<string[]>([]);
 
+  // Options
+  const [syncContent, setSyncContent] = useState<'data' | 'schema' | 'both'>('data');
+  const [syncMode, setSyncMode] = useState<string>('insert_update');
+  const [autoAddColumns, setAutoAddColumns] = useState<boolean>(true);
+  const [showSameTables, setShowSameTables] = useState<boolean>(false);
+  const [analyzing, setAnalyzing] = useState<boolean>(false);
+  const [diffTables, setDiffTables] = useState<TableDiffSummary[]>([]);
+  const [tableOptions, setTableOptions] = useState<Record<string, TableOps>>({});
+
+  const [previewOpen, setPreviewOpen] = useState(false);
+  const [previewTable, setPreviewTable] = useState<string>('');
+  const [previewLoading, setPreviewLoading] = useState(false);
+  const [previewData, setPreviewData] = useState<any>(null);
+
   // Step 3: Result
   const [syncResult, setSyncResult] = useState<any>(null);
+  const [syncing, setSyncing] = useState(false);
+  const [syncLogs, setSyncLogs] = useState<SyncLogItem[]>([]);
+  const [syncProgress, setSyncProgress] = useState<{ percent: number; current: number; total: number; table: string; stage: string }>({
+      percent: 0,
+      current: 0,
+      total: 0,
+      table: '',
+      stage: ''
+  });
+  const jobIdRef = useRef<string>('');
+  const logBoxRef = useRef<HTMLDivElement>(null);
+  const autoScrollRef = useRef(true);
+
+  const normalizeConnConfig = (conn: SavedConnection, database?: string) => ({
+      ...conn.config,
+      port: Number((conn.config as any).port),
+      password: conn.config.password || "",
+      useSSH: conn.config.useSSH || false,
+      ssh: conn.config.ssh || { host: "", port: 22, user: "", password: "", keyPath: "" },
+      database: typeof database === 'string' ? database : (conn.config.database || ""),
+  });
+
+  useEffect(() => {
+      if (!open) return;
+
+      const offLog = EventsOn('sync:log', (event: SyncLogEvent) => {
+          if (!event || event.jobId !== jobIdRef.current) return;
+          const msg = String(event.message || '').trim();
+          if (!msg) return;
+          setSyncLogs(prev => [...prev, { level: String(event.level || 'info'), message: msg, ts: event.ts }]);
+      });
+
+      const offProgress = EventsOn('sync:progress', (event: SyncProgressEvent) => {
+          if (!event || event.jobId !== jobIdRef.current) return;
+          setSyncProgress(prev => ({
+              percent: typeof event.percent === 'number' ? event.percent : prev.percent,
+              current: typeof event.current === 'number' ? event.current : prev.current,
+              total: typeof event.total === 'number' ? event.total : prev.total,
+              table: typeof event.table === 'string' ? event.table : prev.table,
+              stage: typeof event.stage === 'string' ? event.stage : prev.stage,
+          }));
+      });
+
+      return () => {
+          offLog();
+          offProgress();
+      };
+  }, [open]);
+
+  useEffect(() => {
+      if (!logBoxRef.current) return;
+      if (!autoScrollRef.current) return;
+      logBoxRef.current.scrollTop = logBoxRef.current.scrollHeight;
+  }, [syncLogs]);
 
   useEffect(() => {
     if (open) {
@@ -38,7 +128,23 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
         setSourceDb('');
         setTargetDb('');
         setSelectedTables([]);
+        setSyncContent('data');
+        setSyncMode('insert_update');
+        setAutoAddColumns(true);
+        setShowSameTables(false);
+        setAnalyzing(false);
+        setDiffTables([]);
+        setTableOptions({});
+        setPreviewOpen(false);
+        setPreviewTable('');
+        setPreviewLoading(false);
+        setPreviewData(null);
         setSyncResult(null);
+        setSyncing(false);
+        setSyncLogs([]);
+        setSyncProgress({ percent: 0, current: 0, total: 0, table: '', stage: '' });
+        jobIdRef.current = '';
+        autoScrollRef.current = true;
     }
   }, [open]);
 
@@ -49,7 +155,7 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
       if (conn) {
           setLoading(true);
           try {
-            const res = await DBGetDatabases(conn.config as any);
+            const res = await DBGetDatabases(normalizeConnConfig(conn) as any);
             if (res.success) {
                 setSourceDbs((res.data as any[]).map((r: any) => r.Database || r.database || r.username));
             }
@@ -65,7 +171,7 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
       if (conn) {
           setLoading(true);
           try {
-            const res = await DBGetDatabases(conn.config as any);
+            const res = await DBGetDatabases(normalizeConnConfig(conn) as any);
             if (res.success) {
                 setTargetDbs((res.data as any[]).map((r: any) => r.Database || r.database || r.username));
             }
@@ -83,7 +189,7 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
       try {
           const conn = connections.find(c => c.id === sourceConnId);
           if (conn) {
-              const config = { ...conn.config, database: sourceDb };
+              const config = normalizeConnConfig(conn, sourceDb);
               const res = await DBGetTables(config as any, sourceDb);
               if (res.success) {
                   // DBGetTables returns [{Table: "name"}, ...]
@@ -98,36 +204,221 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
       setLoading(false);
   };
 
-  const runSync = async () => {
+  const updateTableOption = (table: string, key: keyof TableOps, value: any) => {
+      setTableOptions(prev => ({
+          ...prev,
+          [table]: { ...(prev[table] || { insert: true, update: true, delete: false }), [key]: value }
+      }));
+  };
+
+  const analyzeDiff = async () => {
+      if (selectedTables.length === 0) return;
+      if (!sourceConnId || !targetConnId) return message.error("Select connections first");
+      if (!sourceDb || !targetDb) return message.error("Select databases first");
+
       setLoading(true);
+      setAnalyzing(true);
+      setDiffTables([]);
+      setTableOptions({});
+      setSyncLogs([]);
+
       const sConn = connections.find(c => c.id === sourceConnId)!;
       const tConn = connections.find(c => c.id === targetConnId)!;
+      const jobId = `analyze-${Date.now()}-${Math.random().toString(16).slice(2, 8)}`;
+      jobIdRef.current = jobId;
+      autoScrollRef.current = true;
+      setSyncProgress({ percent: 0, current: 0, total: selectedTables.length, table: '', stage: '差异分析' });
+
+      const config = {
+          sourceConfig: normalizeConnConfig(sConn, sourceDb),
+          targetConfig: normalizeConnConfig(tConn, targetDb),
+          tables: selectedTables,
+          content: syncContent,
+          mode: "insert_update",
+          autoAddColumns,
+          jobId,
+      };
+
+      try {
+          const res = await DataSyncAnalyze(config as any);
+          if (res.success) {
+              const tables = ((res.data as any)?.tables || []) as TableDiffSummary[];
+              setDiffTables(tables);
+              const init: Record<string, TableOps> = {};
+              tables.forEach(t => {
+                  const can = !!t.canSync;
+                  init[t.table] = {
+                      insert: can,
+                      update: can,
+                      delete: false,
+                      selectedInsertPks: [],
+                      selectedUpdatePks: [],
+                      selectedDeletePks: [],
+                  };
+              });
+              setTableOptions(init);
+              message.success("差异分析完成");
+          } else {
+              message.error(res.message || "差异分析失败");
+          }
+      } catch (e: any) {
+          message.error("差异分析失败: " + (e?.message || ""));
+      }
+
+      setLoading(false);
+      setAnalyzing(false);
+  };
+
+  const openPreview = async (table: string) => {
+      if (!table) return;
+      const sConn = connections.find(c => c.id === sourceConnId)!;
+      const tConn = connections.find(c => c.id === targetConnId)!;
+
+      setPreviewOpen(true);
+      setPreviewTable(table);
+      setPreviewLoading(true);
+      setPreviewData(null);
+
+      const config = {
+          sourceConfig: normalizeConnConfig(sConn, sourceDb),
+          targetConfig: normalizeConnConfig(tConn, targetDb),
+          tables: selectedTables,
+          content: "data",
+          mode: "insert_update",
+          autoAddColumns,
+      };
+
+      try {
+          const res = await DataSyncPreview(config as any, table, 200);
+          if (res.success) {
+              setPreviewData(res.data);
+          } else {
+              message.error(res.message || "加载差异预览失败");
+          }
+      } catch (e: any) {
+          message.error("加载差异预览失败: " + (e?.message || ""));
+      }
+
+      setPreviewLoading(false);
+  };
+
+  const runSync = async () => {
+      if (syncContent !== 'schema' && diffTables.length === 0) {
+          message.error("请先对比差异，再开始同步");
+          return;
+      }
+      if (syncContent !== 'schema' && syncMode === 'full_overwrite') {
+          const ok = await new Promise<boolean>((resolve) => {
+              Modal.confirm({
+                  title: '确认全量覆盖',
+                  content: '全量覆盖会清空目标表数据后再插入，请确认已备份目标库。',
+                  okText: '继续执行',
+                  cancelText: '取消',
+                  onOk: () => resolve(true),
+                  onCancel: () => resolve(false),
+              });
+          });
+          if (!ok) return;
+      }
+
+      setLoading(true);
+      setSyncing(true);
+      setCurrentStep(2);
+      setSyncResult(null);
+      setSyncLogs([]);
+
+      const sConn = connections.find(c => c.id === sourceConnId)!;
+      const tConn = connections.find(c => c.id === targetConnId)!;
+
+      const jobId = `sync-${Date.now()}-${Math.random().toString(16).slice(2, 8)}`;
+      jobIdRef.current = jobId;
+      autoScrollRef.current = true;
+      setSyncProgress({
+          percent: 0,
+          current: 0,
+          total: selectedTables.length,
+          table: '',
+          stage: '准备开始',
+      });
       
       const config = {
-          sourceConfig: { ...sConn.config, database: sourceDb },
-          targetConfig: { ...tConn.config, database: targetDb },
+          sourceConfig: {
+              ...sConn.config,
+              port: Number((sConn.config as any).port),
+              password: sConn.config.password || "",
+              useSSH: sConn.config.useSSH || false,
+              ssh: sConn.config.ssh || { host: "", port: 22, user: "", password: "", keyPath: "" },
+              database: sourceDb,
+          },
+          targetConfig: {
+              ...tConn.config,
+              port: Number((tConn.config as any).port),
+              password: tConn.config.password || "",
+              useSSH: tConn.config.useSSH || false,
+              ssh: tConn.config.ssh || { host: "", port: 22, user: "", password: "", keyPath: "" },
+              database: targetDb,
+          },
           tables: selectedTables,
-          mode: "insert_update"
+          content: syncContent,
+          mode: syncMode,
+          autoAddColumns,
+          tableOptions,
+          jobId,
       };
 
       try {
           const res = await DataSync(config as any);
           setSyncResult(res);
-          setCurrentStep(2);
+          if (Array.isArray(res?.logs) && res.logs.length > 0) {
+              setSyncLogs(prev => {
+                  if (prev.length > 0) return prev;
+                  return (res.logs as string[]).map((log) => {
+                      const msg = String(log || '').trim();
+                      if (msg.includes('致命错误') || msg.includes('失败')) return { level: 'error', message: msg };
+                      if (msg.includes('跳过') || msg.includes('警告')) return { level: 'warn', message: msg };
+                      return { level: 'info', message: msg };
+                  });
+              });
+          }
       } catch (e) {
           message.error("Sync execution failed");
+          setSyncResult({ success: false, message: "同步执行失败", logs: [] });
       }
       setLoading(false);
+      setSyncing(false);
+  };
+
+  const renderSyncLogItem = (item: SyncLogItem) => {
+      const level = String(item.level || 'info').toLowerCase();
+      const color = level === 'error' ? '#ff4d4f' : (level === 'warn' ? '#faad14' : '#595959');
+      const label = level === 'error' ? '错误' : (level === 'warn' ? '警告' : '信息');
+      const timeText = typeof item.ts === 'number' ? new Date(item.ts).toLocaleTimeString('zh-CN', { hour12: false }) : '';
+      return (
+          <div style={{ display: 'flex', gap: 8, alignItems: 'flex-start' }}>
+              <span style={{ color, flex: '0 0 auto' }}>● {label}</span>
+              {timeText && <span style={{ color: '#8c8c8c', flex: '0 0 auto' }}>{timeText}</span>}
+              <span style={{ whiteSpace: 'pre-wrap', wordBreak: 'break-word' }}>{item.message}</span>
+          </div>
+      );
   };
 
   return (
+    <>
     <Modal
-      title="数据同步"
-      open={open}
-      onCancel={onClose}
-      width={800}
-      footer={null}
-      destroyOnHidden
+        title="数据同步"
+        open={open}
+        onCancel={() => {
+            if (syncing) {
+                message.warning("同步执行中，暂不支持关闭");
+                return;
+            }
+            onClose();
+        }}
+        width={800}
+        footer={null}
+        destroyOnHidden
+        closable={!syncing}
+        maskClosable={!syncing}
     >
       <Steps current={currentStep} style={{ marginBottom: 24 }}>
         <Step title="配置源与目标" />
@@ -137,34 +428,67 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
 
       {/* STEP 1: CONFIG */}
       {currentStep === 0 && (
-          <div style={{ display: 'flex', gap: 24, justifyContent: 'center' }}>
-              <Card title="源数据库" style={{ width: 350 }}>
+          <div>
+              <div style={{ display: 'flex', gap: 24, justifyContent: 'center' }}>
+                  <Card title="源数据库" style={{ width: 350 }}>
+                      <Form layout="vertical">
+                          <Form.Item label="连接">
+                              <Select value={sourceConnId} onChange={handleSourceConnChange}>
+                                  {connections.map(c => <Option key={c.id} value={c.id}>{c.name} ({c.config.type})</Option>)}
+                              </Select>
+                          </Form.Item>
+                          <Form.Item label="数据库">
+                              <Select value={sourceDb} onChange={setSourceDb} showSearch>
+                                  {sourceDbs.map(d => <Option key={d} value={d}>{d}</Option>)}
+                              </Select>
+                          </Form.Item>
+                      </Form>
+                  </Card>
+                  <div style={{ display: 'flex', alignItems: 'center' }}>至</div>
+                  <Card title="目标数据库" style={{ width: 350 }}>
+                      <Form layout="vertical">
+                          <Form.Item label="连接">
+                              <Select value={targetConnId} onChange={handleTargetConnChange}>
+                                  {connections.map(c => <Option key={c.id} value={c.id}>{c.name} ({c.config.type})</Option>)}
+                              </Select>
+                          </Form.Item>
+                          <Form.Item label="数据库">
+                              <Select value={targetDb} onChange={setTargetDb} showSearch>
+                                  {targetDbs.map(d => <Option key={d} value={d}>{d}</Option>)}
+                              </Select>
+                          </Form.Item>
+                      </Form>
+                  </Card>
+              </div>
+
+              <Card title="同步选项" style={{ marginTop: 16 }}>
                   <Form layout="vertical">
-                      <Form.Item label="连接">
-                          <Select value={sourceConnId} onChange={handleSourceConnChange}>
-                              {connections.map(c => <Option key={c.id} value={c.id}>{c.name} ({c.config.type})</Option>)}
+                      <Form.Item label="同步内容">
+                          <Select value={syncContent} onChange={setSyncContent}>
+                              <Option value="data">仅同步数据</Option>
+                              <Option value="schema">仅同步结构</Option>
+                              <Option value="both">同步结构 + 数据</Option>
                           </Select>
                       </Form.Item>
-                      <Form.Item label="数据库">
-                          <Select value={sourceDb} onChange={setSourceDb} showSearch>
-                              {sourceDbs.map(d => <Option key={d} value={d}>{d}</Option>)}
+                      <Form.Item label="同步模式">
+                          <Select value={syncMode} onChange={setSyncMode} disabled={syncContent === 'schema'}>
+                              <Option value="insert_update">增量同步（对比差异，按插入/更新/删除勾选执行）</Option>
+                              <Option value="insert_only">仅插入（不对比目标；无主键表将跳过）</Option>
+                              <Option value="full_overwrite">全量覆盖（清空目标表后插入）</Option>
                           </Select>
                       </Form.Item>
-                  </Form>
-              </Card>
-              <div style={{ display: 'flex', alignItems: 'center' }}>至</div>
-              <Card title="目标数据库" style={{ width: 350 }}>
-                  <Form layout="vertical">
-                      <Form.Item label="连接">
-                          <Select value={targetConnId} onChange={handleTargetConnChange}>
-                              {connections.map(c => <Option key={c.id} value={c.id}>{c.name} ({c.config.type})</Option>)}
-                          </Select>
-                      </Form.Item>
-                      <Form.Item label="数据库">
-                          <Select value={targetDb} onChange={setTargetDb} showSearch>
-                              {targetDbs.map(d => <Option key={d} value={d}>{d}</Option>)}
-                          </Select>
+                      <Form.Item>
+                          <Checkbox checked={autoAddColumns} onChange={(e) => setAutoAddColumns(e.target.checked)}>
+                              自动补齐目标表缺失字段（仅 MySQL 目标）
+                          </Checkbox>
                       </Form.Item>
+                      {syncContent !== 'schema' && syncMode === 'full_overwrite' && (
+                          <Alert
+                              type="warning"
+                              showIcon
+                              message="全量覆盖会清空目标表数据，请谨慎使用。"
+                          />
+                      )}
                   </Form>
               </Card>
           </div>
@@ -172,32 +496,155 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
 
       {/* STEP 2: TABLES */}
       {currentStep === 1 && (
-          <div style={{ height: 400 }}>
-              <Text type="secondary">请选择需要同步的表:</Text>
+          <div style={{ display: 'flex', flexDirection: 'column', gap: 12 }}>
+              <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center' }}>
+                  <Text type="secondary">请选择需要同步的表:</Text>
+                  <Checkbox checked={showSameTables} onChange={(e) => setShowSameTables(e.target.checked)}>
+                      显示相同表
+                  </Checkbox>
+              </div>
               <Transfer
                 dataSource={allTables.map(t => ({ key: t, title: t }))}
                 titles={['源表', '已选表']}
                 targetKeys={selectedTables}
                 onChange={(keys) => setSelectedTables(keys as string[])}
                 render={item => item.title}
-                listStyle={{ width: 350, height: 350, marginTop: 12 }}
+                listStyle={{ width: 350, height: 280, marginTop: 0 }}
                 locale={{ itemUnit: '项', itemsUnit: '项', searchPlaceholder: '搜索表', notFoundContent: '暂无数据' }}
               />
+
+              {diffTables.length > 0 && (
+                  <div>
+                      <Divider orientation="left">对比结果</Divider>
+                      <Table
+                          size="small"
+                          pagination={false}
+                          rowKey={(r: any) => r.table}
+                          dataSource={diffTables.filter(t => {
+                              const ins = Number(t.inserts || 0);
+                              const upd = Number(t.updates || 0);
+                              const del = Number(t.deletes || 0);
+                              const same = Number(t.same || 0);
+                              const msg = String(t.message || '').trim();
+                              const can = !!t.canSync;
+                              if (showSameTables) return true;
+                              if (!can) return true;
+                              if (msg) return true;
+                              return ins > 0 || upd > 0 || del > 0 || same === 0;
+                          })}
+                          columns={[
+                              { title: '表名', dataIndex: 'table', key: 'table', ellipsis: true },
+                              {
+                                  title: '插入',
+                                  key: 'inserts',
+                                  width: 90,
+                                  render: (_: any, r: any) => {
+                                      const ops = tableOptions[r.table] || { insert: true, update: true, delete: false };
+                                      const disabled = !r.canSync || analyzing || Number(r.inserts || 0) === 0;
+                                      return (
+                                          <Checkbox
+                                              checked={!!ops.insert}
+                                              disabled={disabled}
+                                              onChange={(e) => updateTableOption(r.table, 'insert', e.target.checked)}
+                                          >
+                                              {Number(r.inserts || 0)}
+                                          </Checkbox>
+                                      );
+                                  }
+                              },
+                              {
+                                  title: '更新',
+                                  key: 'updates',
+                                  width: 90,
+                                  render: (_: any, r: any) => {
+                                      const ops = tableOptions[r.table] || { insert: true, update: true, delete: false };
+                                      const disabled = !r.canSync || analyzing || Number(r.updates || 0) === 0;
+                                      return (
+                                          <Checkbox
+                                              checked={!!ops.update}
+                                              disabled={disabled}
+                                              onChange={(e) => updateTableOption(r.table, 'update', e.target.checked)}
+                                          >
+                                              {Number(r.updates || 0)}
+                                          </Checkbox>
+                                      );
+                                  }
+                              },
+                              {
+                                  title: '删除',
+                                  key: 'deletes',
+                                  width: 90,
+                                  render: (_: any, r: any) => {
+                                      const ops = tableOptions[r.table] || { insert: true, update: true, delete: false };
+                                      const disabled = !r.canSync || analyzing || Number(r.deletes || 0) === 0;
+                                      return (
+                                          <Checkbox
+                                              checked={!!ops.delete}
+                                              disabled={disabled}
+                                              onChange={(e) => updateTableOption(r.table, 'delete', e.target.checked)}
+                                          >
+                                              {Number(r.deletes || 0)}
+                                          </Checkbox>
+                                      );
+                                  }
+                              },
+                              { title: '相同', dataIndex: 'same', key: 'same', width: 70, render: (v: any) => Number(v || 0) },
+                              { title: '消息', dataIndex: 'message', key: 'message', ellipsis: true, render: (v: any) => (v ? String(v) : '') },
+                              {
+                                  title: '预览',
+                                  key: 'preview',
+                                  width: 80,
+                                  render: (_: any, r: any) => {
+                                      const can = !!r.canSync;
+                                      const hasDiff = Number(r.inserts || 0) + Number(r.updates || 0) + Number(r.deletes || 0) > 0;
+                                      return (
+                                          <Button size="small" disabled={!can || !hasDiff || analyzing} onClick={() => openPreview(r.table)}>
+                                              查看
+                                          </Button>
+                                      );
+                                  }
+                              }
+                          ]}
+                      />
+                  </div>
+              )}
           </div>
       )}
 
       {/* STEP 3: RESULT */}
-      {currentStep === 2 && syncResult && (
+      {currentStep === 2 && (
           <div>
-              <Alert 
-                message={syncResult.success ? "同步完成" : "同步失败"}
-                description={syncResult.message || `成功同步 ${syncResult.tablesSynced} 张表. 插入: ${syncResult.rowsInserted}, 更新: ${syncResult.rowsUpdated}`}
-                type={syncResult.success ? "success" : "error"}
-                showIcon
+              <Alert
+                  message={syncing ? "正在同步" : (syncResult?.success ? "同步完成" : "同步失败")}
+                  description={
+                      syncing
+                          ? `当前阶段：${syncProgress.stage || '执行中'}${syncProgress.table ? `，表：${syncProgress.table}` : ''}`
+                          : (syncResult?.message || `成功同步 ${syncResult?.tablesSynced || 0} 张表. 插入: ${syncResult?.rowsInserted || 0}, 更新: ${syncResult?.rowsUpdated || 0}`)
+                  }
+                  type={syncing ? "info" : (syncResult?.success ? "success" : "error")}
+                  showIcon
               />
+
+              <div style={{ marginTop: 12 }}>
+                  <Progress
+                      percent={syncProgress.percent}
+                      status={syncing ? "active" : (syncResult?.success ? "success" : "exception")}
+                      format={() => `${syncProgress.current}/${syncProgress.total}`}
+                  />
+              </div>
+
               <Divider orientation="left">日志</Divider>
-              <div style={{ background: '#f5f5f5', padding: 12, height: 300, overflowY: 'auto', fontFamily: 'monospace' }}>
-                  {syncResult.logs.map((log: string, i: number) => <div key={i}>{log}</div>)}
+              <div
+                  ref={logBoxRef}
+                  onScroll={() => {
+                      const el = logBoxRef.current;
+                      if (!el) return;
+                      const nearBottom = el.scrollHeight - el.scrollTop - el.clientHeight < 40;
+                      autoScrollRef.current = nearBottom;
+                  }}
+                  style={{ background: '#f5f5f5', padding: 12, height: 300, overflowY: 'auto', fontFamily: 'monospace' }}
+              >
+                  {syncLogs.map((item, i: number) => <div key={i}>{renderSyncLogItem(item)}</div>)}
               </div>
           </div>
       )}
@@ -206,20 +653,154 @@ const DataSyncModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open,
           {currentStep === 0 && (
               <Button type="primary" onClick={nextToTables} loading={loading}>下一步</Button>
           )}
-          {currentStep === 1 && (
-              <>
-                <Button onClick={() => setCurrentStep(0)} style={{ marginRight: 8 }}>上一步</Button>
-                <Button type="primary" onClick={runSync} loading={loading} disabled={selectedTables.length === 0}>开始同步</Button>
+	          {currentStep === 1 && (
+	              <>
+	                <Button onClick={() => setCurrentStep(0)} style={{ marginRight: 8 }}>上一步</Button>
+	                <Button onClick={analyzeDiff} loading={loading} disabled={syncContent === 'schema' || selectedTables.length === 0 || analyzing} style={{ marginRight: 8 }}>
+	                    对比差异
+	                </Button>
+	                <Button
+	                    type="primary"
+	                    onClick={runSync}
+                    loading={loading}
+                    disabled={selectedTables.length === 0 || (syncContent !== 'schema' && diffTables.length === 0)}
+                >
+                    开始同步
+                </Button>
               </>
           )}
           {currentStep === 2 && (
               <>
-                  <Button onClick={() => setCurrentStep(1)} style={{ marginRight: 8 }}>继续同步</Button>
-                  <Button type="primary" onClick={onClose}>关闭</Button>
+                  <Button disabled={syncing} onClick={() => setCurrentStep(1)} style={{ marginRight: 8 }}>继续同步</Button>
+                  <Button type="primary" disabled={syncing} onClick={onClose}>关闭</Button>
               </>
           )}
       </div>
     </Modal>
+    <Drawer
+        title={`差异预览：${previewTable}`}
+        open={previewOpen}
+        onClose={() => { setPreviewOpen(false); setPreviewTable(''); setPreviewData(null); }}
+        width={900}
+    >
+        {previewLoading && <Alert type="info" showIcon message="正在加载差异预览..." />}
+        {!previewLoading && previewData && (
+            <div>
+                <Alert
+                    type="info"
+                    showIcon
+                    message={`插入 ${previewData.totalInserts || 0}，更新 ${previewData.totalUpdates || 0}，删除 ${previewData.totalDeletes || 0}（预览最多展示 200 条/类型）`}
+                />
+                <Divider />
+                <Tabs
+                    items={[
+                        {
+                            key: 'insert',
+                            label: `插入(${previewData.totalInserts || 0})`,
+                            children: (
+                                <div>
+                                    <Text type="secondary">未勾选任何行表示“同步全部插入差异”；如不想执行插入请在对比结果中取消勾选“插入”。</Text>
+                                    <Table
+                                        size="small"
+                                        style={{ marginTop: 8 }}
+                                        rowKey={(r: any) => r.pk}
+                                        dataSource={(previewData.inserts || []).map((r: any) => ({ ...r, key: r.pk }))}
+                                        pagination={false}
+                                        rowSelection={{
+                                            selectedRowKeys: (tableOptions[previewTable]?.selectedInsertPks || []) as any,
+                                            onChange: (keys) => updateTableOption(previewTable, 'selectedInsertPks', keys as string[]),
+                                            getCheckboxProps: () => ({ disabled: !tableOptions[previewTable]?.insert }),
+                                        }}
+                                        columns={[
+                                            { title: previewData.pkColumn || '主键', dataIndex: 'pk', key: 'pk', width: 200, ellipsis: true },
+                                            { title: '数据', dataIndex: 'row', key: 'row', render: (v: any) => <pre style={{ margin: 0, maxHeight: 140, overflow: 'auto' }}>{JSON.stringify(v, null, 2)}</pre> }
+                                        ]}
+                                    />
+                                </div>
+                            )
+                        },
+                        {
+                            key: 'update',
+                            label: `更新(${previewData.totalUpdates || 0})`,
+                            children: (
+                                <div>
+                                    <Text type="secondary">未勾选任何行表示“同步全部更新差异”；如不想执行更新请在对比结果中取消勾选“更新”。</Text>
+                                    <Table
+                                        size="small"
+                                        style={{ marginTop: 8 }}
+                                        rowKey={(r: any) => r.pk}
+                                        dataSource={(previewData.updates || []).map((r: any) => ({ ...r, key: r.pk }))}
+                                        pagination={false}
+                                        rowSelection={{
+                                            selectedRowKeys: (tableOptions[previewTable]?.selectedUpdatePks || []) as any,
+                                            onChange: (keys) => updateTableOption(previewTable, 'selectedUpdatePks', keys as string[]),
+                                            getCheckboxProps: () => ({ disabled: !tableOptions[previewTable]?.update }),
+                                        }}
+                                        columns={[
+                                            { title: previewData.pkColumn || '主键', dataIndex: 'pk', key: 'pk', width: 200, ellipsis: true },
+                                            { title: '变更字段', dataIndex: 'changedColumns', key: 'changedColumns', render: (v: any) => Array.isArray(v) ? v.join(', ') : '' },
+                                            {
+                                                title: '详情',
+                                                key: 'detail',
+                                                width: 80,
+                                                render: (_: any, r: any) => (
+                                                    <Button size="small" onClick={() => {
+                                                        Modal.info({
+                                                            title: `更新详情：${previewTable} / ${r.pk}`,
+                                                            width: 900,
+                                                            content: (
+                                                                <div style={{ display: 'flex', gap: 12 }}>
+                                                                    <div style={{ flex: 1 }}>
+                                                                        <Title level={5}>源</Title>
+                                                                        <pre style={{ maxHeight: 360, overflow: 'auto', background: '#f5f5f5', padding: 8 }}>{JSON.stringify(r.source, null, 2)}</pre>
+                                                                    </div>
+                                                                    <div style={{ flex: 1 }}>
+                                                                        <Title level={5}>目标</Title>
+                                                                        <pre style={{ maxHeight: 360, overflow: 'auto', background: '#f5f5f5', padding: 8 }}>{JSON.stringify(r.target, null, 2)}</pre>
+                                                                    </div>
+                                                                </div>
+                                                            )
+                                                        });
+                                                    }}>查看</Button>
+                                                )
+                                            }
+                                        ]}
+                                    />
+                                </div>
+                            )
+                        },
+                        {
+                            key: 'delete',
+                            label: `删除(${previewData.totalDeletes || 0})`,
+                            children: (
+                                <div>
+                                    <Alert type="warning" showIcon message="删除默认不勾选。请确认业务允许后再开启删除操作。" />
+                                    <Text type="secondary">未勾选任何行表示“同步全部删除差异”；如不想执行删除请在对比结果中取消勾选“删除”。</Text>
+                                    <Table
+                                        size="small"
+                                        style={{ marginTop: 8 }}
+                                        rowKey={(r: any) => r.pk}
+                                        dataSource={(previewData.deletes || []).map((r: any) => ({ ...r, key: r.pk }))}
+                                        pagination={false}
+                                        rowSelection={{
+                                            selectedRowKeys: (tableOptions[previewTable]?.selectedDeletePks || []) as any,
+                                            onChange: (keys) => updateTableOption(previewTable, 'selectedDeletePks', keys as string[]),
+                                            getCheckboxProps: () => ({ disabled: !tableOptions[previewTable]?.delete }),
+                                        }}
+                                        columns={[
+                                            { title: previewData.pkColumn || '主键', dataIndex: 'pk', key: 'pk', width: 200, ellipsis: true },
+                                            { title: '数据', dataIndex: 'row', key: 'row', render: (v: any) => <pre style={{ margin: 0, maxHeight: 140, overflow: 'auto' }}>{JSON.stringify(v, null, 2)}</pre> }
+                                        ]}
+                                    />
+                                </div>
+                            )
+                        }
+                    ]}
+                />
+            </div>
+        )}
+    </Drawer>
+    </>
   );
 };
 

frontend/src/components/DataViewer.tsx

@@ -1,34 +1,347 @@
-import React, { useEffect, useState, useCallback } from 'react';
+import React, { useEffect, useState, useCallback, useRef, useMemo } from 'react';
 import { message } from 'antd';
 import { TabData, ColumnDefinition } from '../types';
 import { useStore } from '../store';
-import { MySQLQuery, DBGetColumns } from '../../wailsjs/go/app/App';
-import DataGrid from './DataGrid';
+import { DBQuery, DBGetColumns } from '../../wailsjs/go/app/App';
+import DataGrid, { GONAVI_ROW_KEY } from './DataGrid';
+import { buildOrderBySQL, buildWhereSQL, quoteIdentPart, quoteQualifiedIdent, withSortBufferTuningSQL, type FilterCondition } from '../utils/sql';
+import { buildMongoCountCommand, buildMongoFilter, buildMongoFindCommand, buildMongoSort } from '../utils/mongodb';
+import { getDataSourceCapabilities } from '../utils/dataSourceCapabilities';
+
+type ViewerPaginationState = {
+  current: number;
+  pageSize: number;
+  total: number;
+  totalKnown: boolean;
+  totalApprox: boolean;
+  totalCountLoading: boolean;
+  totalCountCancelled: boolean;
+};
+
+const JS_MAX_SAFE_INTEGER_BIGINT = BigInt(Number.MAX_SAFE_INTEGER);
+
+const isIntegerText = (text: string): boolean => /^[+-]?\d+$/.test(text);
+
+const toNonNegativeFiniteNumber = (value: unknown): number | null => {
+  if (typeof value === 'number') {
+    return Number.isFinite(value) && value >= 0 && value <= Number.MAX_SAFE_INTEGER ? value : null;
+  }
+  if (typeof value === 'bigint') {
+    return value >= 0n && value <= JS_MAX_SAFE_INTEGER_BIGINT ? Number(value) : null;
+  }
+  if (typeof value === 'string') {
+    const text = value.trim();
+    if (!text) return null;
+    if (isIntegerText(text)) {
+      try {
+        const parsedBigInt = BigInt(text);
+        if (parsedBigInt < 0n || parsedBigInt > JS_MAX_SAFE_INTEGER_BIGINT) {
+          return null;
+        }
+        return Number(parsedBigInt);
+      } catch {
+        return null;
+      }
+    }
+    const parsed = Number(text);
+    return Number.isFinite(parsed) && parsed >= 0 && parsed <= Number.MAX_SAFE_INTEGER ? parsed : null;
+  }
+  return null;
+};
+
+const parseTotalFromCountRow = (row: any): number | null => {
+  if (!row || typeof row !== 'object') return null;
+  const entries = Object.entries(row as Record<string, unknown>);
+  if (entries.length === 0) return null;
+
+  for (const [key, raw] of entries) {
+    const normalized = String(key || '').trim().toLowerCase();
+    if (normalized === 'total' || normalized === 'count' || normalized.includes('count')) {
+      const parsed = toNonNegativeFiniteNumber(raw);
+      if (parsed !== null) return parsed;
+    }
+  }
+
+  for (const [, raw] of entries) {
+    const parsed = toNonNegativeFiniteNumber(raw);
+    if (parsed !== null) return parsed;
+  }
+
+  return null;
+};
+
+const parseDuckDBApproxTotalRow = (row: any): number | null => {
+  if (!row || typeof row !== 'object') return null;
+  const entries = Object.entries(row as Record<string, unknown>);
+  if (entries.length === 0) return null;
+
+  const preferredKeys = ['approx_total', 'estimated_size', 'estimated_rows', 'row_count', 'count', 'total'];
+  for (const preferred of preferredKeys) {
+    for (const [key, raw] of entries) {
+      if (String(key || '').trim().toLowerCase() !== preferred) continue;
+      const parsed = toNonNegativeFiniteNumber(raw);
+      if (parsed !== null) return parsed;
+    }
+  }
+
+  for (const [key, raw] of entries) {
+    const normalized = String(key || '').trim().toLowerCase();
+    if (normalized.includes('estimate') || normalized.includes('row') || normalized.includes('count') || normalized.includes('total')) {
+      const parsed = toNonNegativeFiniteNumber(raw);
+      if (parsed !== null) return parsed;
+    }
+  }
+  return null;
+};
+
+const normalizeDuckDBIdentifier = (raw: string): string => {
+  const text = String(raw || '').trim();
+  if (text.length >= 2) {
+    const first = text[0];
+    const last = text[text.length - 1];
+    if ((first === '"' && last === '"') || (first === '`' && last === '`')) {
+      return text.slice(1, -1).trim();
+    }
+  }
+  return text;
+};
+
+const resolveDuckDBSchemaAndTable = (dbName: string, tableName: string) => {
+  const rawTable = String(tableName || '').trim();
+  if (!rawTable) return { schemaName: 'main', pureTableName: '' };
+
+  const parts = rawTable.split('.');
+  if (parts.length >= 2) {
+    const pureTableName = normalizeDuckDBIdentifier(parts[parts.length - 1]);
+    const schemaName = normalizeDuckDBIdentifier(parts[parts.length - 2]);
+    if (schemaName && pureTableName) {
+      return { schemaName, pureTableName };
+    }
+  }
+
+  const fallbackSchema = normalizeDuckDBIdentifier(String(dbName || '').trim()) || 'main';
+  return { schemaName: fallbackSchema, pureTableName: normalizeDuckDBIdentifier(rawTable) };
+};
+
+const escapeSQLLiteral = (value: string): string => String(value || '').replace(/'/g, "''");
+
+const isDuckDBUnsupportedTypeError = (msg: string): boolean => /unsupported\s*type:\s*duckdb\./i.test(String(msg || ''));
+
+const isDuckDBComplexColumnType = (columnType?: string): boolean => {
+  const raw = String(columnType || '').trim().toLowerCase();
+  if (!raw) return false;
+  return raw.includes('map') || raw.includes('struct') || raw.includes('union') || raw.includes('array') || raw.includes('list');
+};
+
+const reverseOrderBySQL = (orderBySQL: string): string => {
+  const raw = String(orderBySQL || '').trim();
+  if (!raw) return '';
+  const body = raw.replace(/^order\s+by\s+/i, '').trim();
+  if (!body) return '';
+
+  const parts = body
+    .split(',')
+    .map((part) => part.trim())
+    .filter(Boolean)
+    .map((part) => {
+      if (/\s+asc$/i.test(part)) return part.replace(/\s+asc$/i, ' DESC');
+      if (/\s+desc$/i.test(part)) return part.replace(/\s+desc$/i, ' ASC');
+      return `${part} DESC`;
+    });
+  if (parts.length === 0) return '';
+  return ` ORDER BY ${parts.join(', ')}`;
+};
+
+type ViewerFilterSnapshot = {
+  showFilter: boolean;
+  conditions: FilterCondition[];
+};
+
+const viewerFilterSnapshotsByTab = new Map<string, ViewerFilterSnapshot>();
+
+const normalizeViewerFilterConditions = (conditions: FilterCondition[] | undefined): FilterCondition[] => {
+  if (!Array.isArray(conditions)) return [];
+  return conditions.map((cond) => ({
+    id: Number.isFinite(Number(cond?.id)) ? Number(cond?.id) : undefined,
+    enabled: cond?.enabled !== false,
+    logic: String(cond?.logic || '').trim().toUpperCase() === 'OR' ? 'OR' : 'AND',
+    column: String(cond?.column || ''),
+    op: String(cond?.op || '='),
+    value: String(cond?.value ?? ''),
+    value2: String(cond?.value2 ?? ''),
+  }));
+};
+
+const getViewerFilterSnapshot = (tabId: string): ViewerFilterSnapshot => {
+  const cached = viewerFilterSnapshotsByTab.get(String(tabId || '').trim());
+  if (!cached) {
+    return { showFilter: false, conditions: [] };
+  }
+  return {
+    showFilter: cached.showFilter === true,
+    conditions: normalizeViewerFilterConditions(cached.conditions),
+  };
+};
 
 const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
   const [data, setData] = useState<any[]>([]);
   const [columnNames, setColumnNames] = useState<string[]>([]);
   const [pkColumns, setPkColumns] = useState<string[]>([]);
   const [loading, setLoading] = useState(false);
-  const { connections, addSqlLog } = useStore();
+  const connections = useStore(state => state.connections);
+  const addSqlLog = useStore(state => state.addSqlLog);
+  const fetchSeqRef = useRef(0);
+  const countSeqRef = useRef(0);
+  const countKeyRef = useRef<string>('');
+  const duckdbApproxSeqRef = useRef(0);
+  const duckdbApproxKeyRef = useRef<string>('');
+  const manualCountSeqRef = useRef(0);
+  const manualCountKeyRef = useRef<string>('');
+  const pkSeqRef = useRef(0);
+  const pkKeyRef = useRef<string>('');
+  const latestConfigRef = useRef<any>(null);
+  const latestDbTypeRef = useRef<string>('');
+  const latestDbNameRef = useRef<string>('');
+  const latestCountSqlRef = useRef<string>('');
+  const latestCountKeyRef = useRef<string>('');
 
-  const [pagination, setPagination] = useState({
+  const [pagination, setPagination] = useState<ViewerPaginationState>({
       current: 1,
       pageSize: 100,
-      total: 0
+      total: 0,
+      totalKnown: false,
+      totalApprox: false,
+      totalCountLoading: false,
+      totalCountCancelled: false,
   });
 
   const [sortInfo, setSortInfo] = useState<{ columnKey: string, order: string } | null>(null);
   
-  const [showFilter, setShowFilter] = useState(false);
-  const [filterConditions, setFilterConditions] = useState<any[]>([]);
+  const [showFilter, setShowFilter] = useState<boolean>(() => getViewerFilterSnapshot(tab.id).showFilter);
+  const [filterConditions, setFilterConditions] = useState<FilterCondition[]>(() => getViewerFilterSnapshot(tab.id).conditions);
+  const duckdbSafeSelectCacheRef = useRef<Record<string, string>>({});
+  const currentConnConfig = connections.find(c => c.id === tab.connectionId)?.config;
+  const currentConnCaps = getDataSourceCapabilities(currentConnConfig);
+  const currentConnType = currentConnCaps.type;
+  const forceReadOnly = currentConnCaps.forceReadOnlyQueryResult;
+
+  useEffect(() => {
+    const snapshot = getViewerFilterSnapshot(tab.id);
+    setShowFilter(snapshot.showFilter);
+    setFilterConditions(snapshot.conditions);
+  }, [tab.id]);
+
+  useEffect(() => {
+    viewerFilterSnapshotsByTab.set(tab.id, {
+      showFilter,
+      conditions: normalizeViewerFilterConditions(filterConditions),
+    });
+  }, [tab.id, showFilter, filterConditions]);
+
+  useEffect(() => {
+    setPkColumns([]);
+    pkKeyRef.current = '';
+    countKeyRef.current = '';
+    duckdbApproxKeyRef.current = '';
+    manualCountKeyRef.current = '';
+    duckdbSafeSelectCacheRef.current = {};
+    latestConfigRef.current = null;
+    latestDbTypeRef.current = '';
+    latestDbNameRef.current = '';
+    latestCountSqlRef.current = '';
+    latestCountKeyRef.current = '';
+    setPagination(prev => ({
+      ...prev,
+      current: 1,
+      total: 0,
+      totalKnown: false,
+      totalApprox: false,
+      totalCountLoading: false,
+      totalCountCancelled: false,
+    }));
+  }, [tab.connectionId, tab.dbName, tab.tableName]);
+
+  const handleDuckDBManualCount = useCallback(async () => {
+    if (latestDbTypeRef.current !== 'duckdb') {
+      return;
+    }
+    const config = latestConfigRef.current;
+    const dbName = latestDbNameRef.current;
+    const countSql = latestCountSqlRef.current;
+    const countKey = latestCountKeyRef.current;
+
+    if (!config || !countSql || !countKey) {
+      message.warning('当前结果集尚未就绪，请先执行一次加载');
+      return;
+    }
+
+    manualCountKeyRef.current = countKey;
+    const countSeq = ++manualCountSeqRef.current;
+    const countStart = Date.now();
+    setPagination(prev => ({ ...prev, totalCountLoading: true, totalCountCancelled: false }));
+    const countConfig: any = { ...(config as any), timeout: 120 };
+
+    try {
+      const resCount = await DBQuery(countConfig as any, dbName, countSql);
+      const countDuration = Date.now() - countStart;
+      addSqlLog({
+        id: `log-${Date.now()}-duckdb-manual-count`,
+        timestamp: Date.now(),
+        sql: countSql,
+        status: resCount?.success ? 'success' : 'error',
+        duration: countDuration,
+        message: resCount?.success ? '' : String(resCount?.message || '统计失败'),
+        dbName
+      });
+
+      if (manualCountSeqRef.current !== countSeq) return;
+      if (manualCountKeyRef.current !== countKey) return;
+
+      if (!resCount?.success) {
+        setPagination(prev => ({ ...prev, totalCountLoading: false }));
+        message.error(String(resCount?.message || '统计总数失败'));
+        return;
+      }
+      if (!Array.isArray(resCount.data) || resCount.data.length === 0) {
+        setPagination(prev => ({ ...prev, totalCountLoading: false }));
+        return;
+      }
+
+      const total = parseTotalFromCountRow(resCount.data[0]);
+      if (total === null) {
+        setPagination(prev => ({ ...prev, totalCountLoading: false }));
+        message.error('统计结果解析失败');
+        return;
+      }
+
+      setPagination(prev => ({
+        ...prev,
+        total,
+        totalKnown: true,
+        totalApprox: false,
+        totalCountLoading: false,
+        totalCountCancelled: false,
+      }));
+    } catch (e: any) {
+      if (manualCountSeqRef.current !== countSeq) return;
+      if (manualCountKeyRef.current !== countKey) return;
+      setPagination(prev => ({ ...prev, totalCountLoading: false }));
+      message.error(`统计总数失败: ${String(e?.message || e)}`);
+    }
+  }, [addSqlLog]);
+
+  const handleDuckDBCancelManualCount = useCallback(() => {
+    manualCountSeqRef.current++;
+    setPagination(prev => ({ ...prev, totalCountLoading: false, totalCountCancelled: true }));
+  }, []);
 
   const fetchData = useCallback(async (page = pagination.current, size = pagination.pageSize) => {
+    const seq = ++fetchSeqRef.current;
     setLoading(true);
     const conn = connections.find(c => c.id === tab.connectionId);
     if (!conn) {
         message.error("Connection not found");
-        setLoading(false);
+        if (fetchSeqRef.current === seq) setLoading(false);
         return;
     }
 
@@ -41,133 +354,428 @@ const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
         ssh: conn.config.ssh || { host: "", port: 22, user: "", password: "", keyPath: "" }
     };
 
+    const dbType = config.type || '';
+    const dbTypeLower = String(dbType || '').trim().toLowerCase();
+    const isMySQLFamily = dbTypeLower === 'mysql' || dbTypeLower === 'mariadb' || dbTypeLower === 'diros';
+
     const dbName = tab.dbName || '';
     const tableName = tab.tableName || '';
-
-    const whereParts: string[] = [];
-    filterConditions.forEach(cond => {
-        if (cond.column && cond.value) {
-            if (cond.op === 'LIKE') {
-                whereParts.push(`\`${cond.column}\` LIKE '%${cond.value}%'`);
-            } else {
-                whereParts.push(`\`${cond.column}\` ${cond.op} '${cond.value}'`);
-            }
+    const isMongoDB = dbTypeLower === 'mongodb';
+    let mongoFilter: Record<string, unknown> | undefined;
+    if (isMongoDB) {
+        try {
+            mongoFilter = buildMongoFilter(filterConditions);
+        } catch (e: any) {
+            message.error(`Mongo 筛选条件无效：${String(e?.message || e || '解析失败')}`);
+            if (fetchSeqRef.current === seq) setLoading(false);
+            return;
         }
-    });
-    const whereSQL = whereParts.length > 0 ? `WHERE ${whereParts.join(' AND ')}` : "";
-
-    const countSql = `SELECT COUNT(*) as total FROM \`${tableName}\` ${whereSQL}`;
-    
-    let sql = `SELECT * FROM \`${tableName}\` ${whereSQL}`;
-    if (sortInfo && sortInfo.order) {
-        sql += ` ORDER BY \`${sortInfo.columnKey}\` ${sortInfo.order === 'ascend' ? 'ASC' : 'DESC'}`;
     }
-    const offset = (page - 1) * size;
-    sql += ` LIMIT ${size} OFFSET ${offset}`;
 
-    const startTime = Date.now();
-    try {
-        const pCount = MySQLQuery(config as any, dbName, countSql);
-        const pData = MySQLQuery(config as any, dbName, sql);
-        
-        let pCols = null;
-        if (pkColumns.length === 0) {
-             pCols = DBGetColumns(config as any, dbName, tableName);
+    const whereSQL = isMongoDB
+      ? JSON.stringify(mongoFilter || {})
+      : buildWhereSQL(dbType, filterConditions);
+    const countSql = isMongoDB
+      ? buildMongoCountCommand(tableName, mongoFilter || {})
+      : `SELECT COUNT(*) as total FROM ${quoteQualifiedIdent(dbType, tableName)} ${whereSQL}`;
+    const orderBySQL = isMongoDB ? '' : buildOrderBySQL(dbType, sortInfo, pkColumns);
+    const totalRows = Number(pagination.total);
+    const hasFiniteTotal = Number.isFinite(totalRows) && totalRows >= 0;
+    const totalKnown = pagination.totalKnown && hasFiniteTotal;
+    const totalPages = hasFiniteTotal ? Math.max(1, Math.ceil(totalRows / size)) : 0;
+    const currentPage = totalPages > 0 ? Math.min(Math.max(1, page), totalPages) : Math.max(1, page);
+    const offset = (currentPage - 1) * size;
+    const isClickHouse = !isMongoDB && dbTypeLower === 'clickhouse';
+    const reverseOrderSQL = isClickHouse ? reverseOrderBySQL(orderBySQL) : '';
+    let useClickHouseReversePagination = false;
+    let clickHouseReverseLimit = 0;
+    let clickHouseReverseHasMore = false;
+    let sql = '';
+    if (isMongoDB) {
+        const mongoSort = buildMongoSort(sortInfo, pkColumns);
+        sql = buildMongoFindCommand({
+            collection: tableName,
+            filter: mongoFilter || {},
+            sort: mongoSort,
+            limit: size + 1,
+            skip: offset,
+        });
+    } else {
+        const baseSql = `SELECT * FROM ${quoteQualifiedIdent(dbType, tableName)} ${whereSQL}`;
+        sql = `${baseSql}${orderBySQL}`;
+        // ClickHouse 深分页在超大 OFFSET 下容易超时。对于总数已知且存在 ORDER BY 的场景，
+        // 当“尾部偏移”小于“头部偏移”时，改为反向 ORDER BY + 小 OFFSET，并在前端翻转结果。
+        if (isClickHouse && totalKnown && offset > 0 && reverseOrderSQL) {
+            const pageRowCount = Math.max(0, Math.min(size, totalRows - offset));
+            if (pageRowCount > 0) {
+                const tailOffset = Math.max(0, totalRows - (offset + pageRowCount));
+                if (tailOffset < offset) {
+                    sql = `${baseSql}${reverseOrderSQL} LIMIT ${pageRowCount} OFFSET ${tailOffset}`;
+                    useClickHouseReversePagination = true;
+                    clickHouseReverseLimit = pageRowCount;
+                    clickHouseReverseHasMore = currentPage < totalPages;
+                }
+            }
         }
+        if (!useClickHouseReversePagination) {
+            // 大表性能：打开表不阻塞在 COUNT(*)，先通过多取 1 条判断是否还有下一页；总数在后台统计并异步回填。
+            sql += ` LIMIT ${size + 1} OFFSET ${offset}`;
+        }
+    }
 
-        const [resCount, resData] = await Promise.all([pCount, pData]);
-        const duration = Date.now() - startTime;
-        
-        // Log Execution
-        addSqlLog({
-            id: `log-${Date.now()}-count`,
-            timestamp: Date.now(),
-            sql: countSql,
-            status: resCount.success ? 'success' : 'error',
-            duration: duration / 2, // Estimate
-            message: resCount.success ? '' : resCount.message,
-            dbName
-        });
-        
-        addSqlLog({
-            id: `log-${Date.now()}-data`,
-            timestamp: Date.now(),
-            sql: sql,
-            status: resData.success ? 'success' : 'error',
-            duration: duration,
-            message: resData.success ? '' : resData.message,
-            affectedRows: Array.isArray(resData.data) ? resData.data.length : undefined,
-            dbName
-        });
-        
-        if (pCols) {
-            const resCols = await pCols;
-            if (resCols.success) {
-                const pks = (resCols.data as ColumnDefinition[]).filter(c => c.key === 'PRI').map(c => c.name);
-                setPkColumns(pks);
+    const requestStartTime = Date.now();
+    let executedSql = sql;
+    try {
+        const executeDataQuery = async (querySql: string, attemptLabel: string) => {
+            const startTime = Date.now();
+            try {
+                const result = await DBQuery(config as any, dbName, querySql);
+                addSqlLog({
+                    id: `log-${Date.now()}-data`,
+                    timestamp: Date.now(),
+                    sql: querySql,
+                    status: result.success ? 'success' : 'error',
+                    duration: Date.now() - startTime,
+                    message: result.success ? '' : `${attemptLabel}: ${result.message}`,
+                    affectedRows: Array.isArray(result.data) ? result.data.length : undefined,
+                    dbName
+                });
+                return result;
+            } catch (e: any) {
+                const errMessage = String(e?.message || e || 'query failed');
+                addSqlLog({
+                    id: `log-${Date.now()}-data`,
+                    timestamp: Date.now(),
+                    sql: querySql,
+                    status: 'error',
+                    duration: Date.now() - startTime,
+                    message: `${attemptLabel}: ${errMessage}`,
+                    dbName
+                });
+                return { success: false, message: errMessage, data: [], fields: [] };
+            }
+        };
+
+        const hasSort = !!sortInfo?.columnKey && (sortInfo?.order === 'ascend' || sortInfo?.order === 'descend');
+        const isSortMemoryErr = (msg: string) => /error\s*1038|out of sort memory/i.test(String(msg || ''));
+        let resData = await executeDataQuery(sql, '主查询');
+
+        if (!resData.success && dbTypeLower === 'duckdb' && isDuckDBUnsupportedTypeError(String(resData.message || ''))) {
+            const cacheKey = `${tab.connectionId}|${dbName}|${tableName}`;
+            let safeSelect = duckdbSafeSelectCacheRef.current[cacheKey] || '';
+            if (!safeSelect) {
+                try {
+                    const resCols = await DBGetColumns(config as any, dbName, tableName);
+                    if (resCols?.success && Array.isArray(resCols.data)) {
+                        const columnDefs = resCols.data as ColumnDefinition[];
+                        const selectParts = columnDefs.map((col) => {
+                            const colName = String(col?.name || '').trim();
+                            if (!colName) return '';
+                            const quotedCol = quoteIdentPart(dbType, colName);
+                            if (isDuckDBComplexColumnType(col?.type)) {
+                                return `CAST(${quotedCol} AS VARCHAR) AS ${quotedCol}`;
+                            }
+                            return quotedCol;
+                        }).filter(Boolean);
+                        if (selectParts.length > 0) {
+                            safeSelect = selectParts.join(', ');
+                            duckdbSafeSelectCacheRef.current[cacheKey] = safeSelect;
+                        }
+                    }
+                } catch {
+                    // ignore and keep original error path
+                }
+            }
+
+            if (safeSelect) {
+                let fallbackSql = `SELECT ${safeSelect} FROM ${quoteQualifiedIdent(dbType, tableName)} ${whereSQL}`;
+                fallbackSql += buildOrderBySQL(dbType, sortInfo, pkColumns);
+                fallbackSql += ` LIMIT ${size + 1} OFFSET ${offset}`;
+                executedSql = fallbackSql;
+                resData = await executeDataQuery(fallbackSql, '复杂类型降级重试');
             }
         }
 
-        let totalRecords = 0;
-        if (resCount.success && Array.isArray(resCount.data) && resCount.data.length > 0) {
-            totalRecords = Number(resCount.data[0]['total']);
+        if (!resData.success && isMySQLFamily && hasSort && isSortMemoryErr(resData.message)) {
+            const retrySql32MB = withSortBufferTuningSQL(dbType, sql, 32 * 1024 * 1024);
+            if (retrySql32MB !== sql) {
+                executedSql = retrySql32MB;
+                resData = await executeDataQuery(retrySql32MB, '重试(32MB sort_buffer)');
+            }
+            if (!resData.success && isSortMemoryErr(resData.message)) {
+                const retrySql128MB = withSortBufferTuningSQL(dbType, sql, 128 * 1024 * 1024);
+                if (retrySql128MB !== executedSql) {
+                    executedSql = retrySql128MB;
+                    resData = await executeDataQuery(retrySql128MB, '重试(128MB sort_buffer)');
+                }
+            }
+            if (resData.success) {
+                message.warning('已自动提升排序缓冲并重试成功。');
+            }
+        }
+        
+        if (pkColumns.length === 0) {
+            const pkKey = `${tab.connectionId}|${dbName}|${tableName}`;
+            if (pkKeyRef.current !== pkKey) {
+                pkKeyRef.current = pkKey;
+                const pkSeq = ++pkSeqRef.current;
+                DBGetColumns(config as any, dbName, tableName)
+                    .then((resCols: any) => {
+                        if (pkSeqRef.current !== pkSeq) return;
+                        if (pkKeyRef.current !== pkKey) return;
+                        if (!resCols?.success) return;
+                        const pks = (resCols.data as ColumnDefinition[]).filter((c: any) => c.key === 'PRI').map((c: any) => c.name);
+                        setPkColumns(pks);
+                    })
+                    .catch(() => {
+                        if (pkSeqRef.current !== pkSeq) return;
+                        if (pkKeyRef.current !== pkKey) return;
+                    });
+            }
         }
 
         if (resData.success) {
             let resultData = resData.data as any[];
             if (!Array.isArray(resultData)) resultData = [];
 
+            if (useClickHouseReversePagination) {
+                // 反向查询后恢复为原排序方向，保证用户看到的仍是“最后一页正序数据”。
+                resultData = resultData.slice(0, clickHouseReverseLimit).reverse();
+            }
+
+            const hasMore = useClickHouseReversePagination ? clickHouseReverseHasMore : resultData.length > size;
+            if (hasMore) resultData = resultData.slice(0, size);
+
             let fieldNames = resData.fields || [];
             if (fieldNames.length === 0 && resultData.length > 0) {
                 fieldNames = Object.keys(resultData[0]);
             }
+            if (fetchSeqRef.current !== seq) return;
             setColumnNames(fieldNames);
-            
-            setData(resultData.map((row: any, i: number) => ({ ...row, key: `row-${i}` }))); 
-            
-            setPagination(prev => ({ ...prev, current: page, pageSize: size, total: totalRecords }));
+            resultData.forEach((row: any, i: number) => {
+                if (row && typeof row === 'object') row[GONAVI_ROW_KEY] = `row-${offset + i}`;
+            });
+            setData(resultData);
+            const countKey = `${tab.connectionId}|${dbName}|${tableName}|${whereSQL}`;
+            const derivedTotalKnown = !hasMore;
+            const derivedTotal = derivedTotalKnown ? offset + resultData.length : currentPage * size + 1;
+            const isDuckDB = dbTypeLower === 'duckdb';
+            const minExpectedTotal = hasMore ? offset + resultData.length + 1 : offset + resultData.length;
+            if (derivedTotalKnown) countKeyRef.current = countKey;
+            latestConfigRef.current = config;
+            latestDbTypeRef.current = dbTypeLower;
+            latestDbNameRef.current = dbName;
+            latestCountSqlRef.current = countSql;
+            latestCountKeyRef.current = countKey;
+
+            setPagination(prev => {
+                if (derivedTotalKnown) {
+                    return {
+                        ...prev,
+                        current: currentPage,
+                        pageSize: size,
+                        total: derivedTotal,
+                        totalKnown: true,
+                        totalApprox: false,
+                        totalCountLoading: false,
+                        totalCountCancelled: false,
+                    };
+                }
+                if (prev.totalKnown && countKeyRef.current === countKey) {
+                    if (!isDuckDB) {
+                        return { ...prev, current: currentPage, pageSize: size };
+                    }
+                    // 当当前页存在“下一页”信号时，已知总数至少应大于当前页末尾。
+                    // 若旧总数不满足该条件（例如历史统计值为 0），降级为未知总数并回退到 derivedTotal。
+                    if (Number.isFinite(prev.total) && prev.total >= minExpectedTotal) {
+                        return { ...prev, current: currentPage, pageSize: size };
+                    }
+                }
+                const keepManualCounting = prev.totalCountLoading && manualCountKeyRef.current === countKey;
+                if (isDuckDB && prev.totalApprox && duckdbApproxKeyRef.current === countKey && Number.isFinite(prev.total) && prev.total >= minExpectedTotal) {
+                    return {
+                        ...prev,
+                        current: currentPage,
+                        pageSize: size,
+                        totalKnown: false,
+                        totalApprox: true,
+                        totalCountLoading: keepManualCounting,
+                        totalCountCancelled: false,
+                    };
+                }
+                return {
+                    ...prev,
+                    current: currentPage,
+                    pageSize: size,
+                    total: derivedTotal,
+                    totalKnown: false,
+                    totalApprox: false,
+                    totalCountLoading: keepManualCounting,
+                    totalCountCancelled: keepManualCounting ? false : prev.totalCountCancelled,
+                };
+            });
+
+            const shouldRunAsyncCount = !derivedTotalKnown && !isDuckDB;
+            if (shouldRunAsyncCount) {
+                if (countKeyRef.current !== countKey) {
+                    countKeyRef.current = countKey;
+                    const countSeq = ++countSeqRef.current;
+                    const countStart = Date.now();
+                    // 大表 COUNT(*) 可能非常慢，且在部分运行时环境下会影响后续操作响应；
+                    // DuckDB 大文件场景下该统计会显著拖慢翻页，已禁用后台 COUNT。
+                    const countConfig: any = { ...(config as any), timeout: 5 };
+
+                    DBQuery(countConfig, dbName, countSql)
+                        .then((resCount: any) => {
+                            const countDuration = Date.now() - countStart;
+
+                            addSqlLog({
+                                id: `log-${Date.now()}-count`,
+                                timestamp: Date.now(),
+                                sql: countSql,
+                                status: resCount.success ? 'success' : 'error',
+                                duration: countDuration,
+                                message: resCount.success ? '' : resCount.message,
+                                dbName
+                            });
+
+                            if (countSeqRef.current !== countSeq) return;
+                            if (countKeyRef.current !== countKey) return;
+
+                            if (!resCount.success) return;
+                            if (!Array.isArray(resCount.data) || resCount.data.length === 0) return;
+
+                            const total = parseTotalFromCountRow(resCount.data[0]);
+                            if (total === null) return;
+
+                            setPagination(prev => ({
+                                ...prev,
+                                total,
+                                totalKnown: true,
+                                totalApprox: false,
+                                totalCountLoading: false,
+                                totalCountCancelled: false,
+                            }));
+                        })
+                        .catch(() => {
+                            if (countSeqRef.current !== countSeq) return;
+                            if (countKeyRef.current !== countKey) return;
+                            // 统计失败不影响主流程，不弹窗；可在日志里查看。
+                        });
+                }
+            }
+
+            if (isDuckDB && !derivedTotalKnown && whereSQL.trim() === '' && duckdbApproxKeyRef.current !== countKey) {
+                duckdbApproxKeyRef.current = countKey;
+                const approxSeq = ++duckdbApproxSeqRef.current;
+                const { schemaName, pureTableName } = resolveDuckDBSchemaAndTable(dbName, tableName);
+                const escapedSchema = escapeSQLLiteral(schemaName);
+                const escapedTable = escapeSQLLiteral(pureTableName);
+                const approxConfig: any = { ...(config as any), timeout: 3 };
+                const approxSqlCandidates = [
+                    `SELECT estimated_size AS approx_total FROM duckdb_tables() WHERE schema_name='${escapedSchema}' AND table_name='${escapedTable}' LIMIT 1`,
+                    `SELECT estimated_size AS approx_total FROM duckdb_tables() WHERE table_name='${escapedTable}' ORDER BY CASE WHEN schema_name='${escapedSchema}' THEN 0 ELSE 1 END LIMIT 1`,
+                ];
+
+                (async () => {
+                    for (const approxSql of approxSqlCandidates) {
+                        try {
+                            const approxRes = await DBQuery(approxConfig as any, dbName, approxSql);
+                            if (duckdbApproxSeqRef.current !== approxSeq) return;
+                            if (countKeyRef.current !== countKey) return;
+                            if (!approxRes?.success || !Array.isArray(approxRes.data) || approxRes.data.length === 0) continue;
+
+                            const approxTotal = parseDuckDBApproxTotalRow(approxRes.data[0]);
+                            if (approxTotal === null) continue;
+                            if (!Number.isFinite(approxTotal) || approxTotal < minExpectedTotal) continue;
+
+                            setPagination(prev => {
+                                if (countKeyRef.current !== countKey) return prev;
+                                if (prev.totalKnown) return prev;
+                                return {
+                                    ...prev,
+                                    total: approxTotal,
+                                    totalKnown: false,
+                                    totalApprox: true,
+                                    totalCountCancelled: false,
+                                };
+                            });
+                            return;
+                        } catch {
+                            if (duckdbApproxSeqRef.current !== approxSeq) return;
+                            if (countKeyRef.current !== countKey) return;
+                        }
+                    }
+                })();
+            }
         } else {
-            message.error(resData.message);
+            message.error(String(resData.message || '查询失败'));
         }
     } catch (e: any) {
+        if (fetchSeqRef.current !== seq) return;
         message.error("Error fetching data: " + e.message);
         addSqlLog({
             id: `log-${Date.now()}-error`,
             timestamp: Date.now(),
-            sql: sql,
+            sql: executedSql,
             status: 'error',
-            duration: Date.now() - startTime,
+            duration: Date.now() - requestStartTime,
             message: e.message,
             dbName
         });
     }
-    setLoading(false);
-  }, [connections, tab, sortInfo, filterConditions, pkColumns.length]); 
-  // Depend on pkColumns.length to avoid loop? No, pkColumns is updated inside.
-  // Actually, 'pkColumns' state shouldn't trigger re-fetch.
-  // The 'if (pkColumns.length === 0)' check is inside.
-  // So adding pkColumns to dependency is safer but might trigger double fetch if not careful?
-  // Only if pkColumns changes. It changes once from [] to [...].
-  // So it's fine.
+    if (fetchSeqRef.current === seq) setLoading(false);
+  }, [connections, tab, sortInfo, filterConditions, pkColumns, pagination.total, pagination.totalKnown]); 
+  // 依赖 pkColumns：在无手动排序时可回退到主键稳定排序。
+  // 主键信息只会在首次加载后更新一次，避免循环查询。
 
   // Handlers memoized
-  const handleReload = useCallback(() => fetchData(), [fetchData]);
-  const handleSort = useCallback((field: string, order: string) => setSortInfo({ columnKey: field, order }), []);
+  const handleReload = useCallback(() => {
+    fetchData(pagination.current, pagination.pageSize);
+  }, [fetchData, pagination.current, pagination.pageSize]);
+  const handleSort = useCallback((field: string, order: string) => {
+    const normalizedOrder = order === 'ascend' || order === 'descend' ? order : '';
+    const normalizedField = String(field || '').trim();
+    if (!normalizedField || !normalizedOrder) {
+      setSortInfo(null);
+      return;
+    }
+    setSortInfo({ columnKey: normalizedField, order: normalizedOrder });
+  }, []);
   const handlePageChange = useCallback((page: number, size: number) => fetchData(page, size), [fetchData]);
   const handleToggleFilter = useCallback(() => setShowFilter(prev => !prev), []);
-  const handleApplyFilter = useCallback((conditions: any[]) => setFilterConditions(conditions), []);
+  const handleApplyFilter = useCallback((conditions: FilterCondition[]) => setFilterConditions(conditions), []);
+
+  const exportSqlWithFilter = useMemo(() => {
+    const tableName = String(tab.tableName || '').trim();
+    const dbType = String(currentConnConfig?.type || '').trim();
+    if (!tableName || !dbType) return '';
+
+    const whereSQL = buildWhereSQL(dbType, filterConditions);
+    if (!whereSQL) return '';
+
+    let sql = `SELECT * FROM ${quoteQualifiedIdent(dbType, tableName)} ${whereSQL}`;
+    sql += buildOrderBySQL(dbType, sortInfo, pkColumns);
+    const normalizedType = dbType.toLowerCase();
+    const hasExplicitSort = !!sortInfo?.columnKey && (sortInfo?.order === 'ascend' || sortInfo?.order === 'descend');
+    if (hasExplicitSort && (normalizedType === 'mysql' || normalizedType === 'mariadb')) {
+      sql = withSortBufferTuningSQL(normalizedType, sql, 32 * 1024 * 1024);
+    }
+    return sql;
+  }, [tab.tableName, currentConnConfig?.type, filterConditions, sortInfo, pkColumns]);
 
   useEffect(() => {
     fetchData(1, pagination.pageSize); 
   }, [tab, sortInfo, filterConditions]); // Initial load and re-load on sort/filter
 
   return (
-    <div style={{ height: '100%', width: '100%', overflow: 'hidden' }}>
+    <div style={{ flex: '1 1 auto', minHeight: 0, minWidth: 0, height: '100%', width: '100%', overflow: 'hidden', display: 'flex', flexDirection: 'column' }}>
       <DataGrid
           data={data}
           columnNames={columnNames}
           loading={loading}
           tableName={tab.tableName}
+          exportScope="table"
           dbName={tab.dbName}
           connectionId={tab.connectionId}
           pkColumns={pkColumns}
@@ -175,12 +783,18 @@ const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
           onSort={handleSort}
           onPageChange={handlePageChange}
           pagination={pagination}
+          onRequestTotalCount={currentConnType === 'duckdb' ? handleDuckDBManualCount : undefined}
+          onCancelTotalCount={currentConnType === 'duckdb' ? handleDuckDBCancelManualCount : undefined}
           showFilter={showFilter}
           onToggleFilter={handleToggleFilter}
           onApplyFilter={handleApplyFilter}
+          appliedFilterConditions={filterConditions}
+          readOnly={forceReadOnly}
+          sortInfoExternal={sortInfo}
+          exportSqlWithFilter={exportSqlWithFilter || undefined}
       />
     </div>
   );
 };
 
-export default DataViewer;
+export default DataViewer;

frontend/src/components/DefinitionViewer.tsx

@@ -0,0 +1,471 @@
+import React, { useState, useEffect } from 'react';
+import Editor from '@monaco-editor/react';
+import { Spin, Alert } from 'antd';
+import { TabData } from '../types';
+import { useStore } from '../store';
+import { DBQuery } from '../../wailsjs/go/app/App';
+
+interface DefinitionViewerProps {
+    tab: TabData;
+}
+
+const DefinitionViewer: React.FC<DefinitionViewerProps> = ({ tab }) => {
+    const [loading, setLoading] = useState(true);
+    const [error, setError] = useState<string | null>(null);
+    const [definition, setDefinition] = useState<string>('');
+
+    const connections = useStore(state => state.connections);
+    const theme = useStore(state => state.theme);
+    const darkMode = theme === 'dark';
+
+    const escapeSQLLiteral = (raw: string): string => String(raw || '').replace(/'/g, "''");
+
+    const getMetadataDialect = (conn: any): string => {
+        const type = String(conn?.config?.type || '').trim().toLowerCase();
+        if (type === 'custom') {
+            const driver = String(conn?.config?.driver || '').trim().toLowerCase();
+            if (driver === 'diros' || driver === 'doris') return 'mysql';
+            return driver;
+        }
+        if (type === 'mariadb' || type === 'diros' || type === 'sphinx') return 'mysql';
+        if (type === 'dameng') return 'dm';
+        return type;
+    };
+
+    const isSphinxConnection = (conn: any): boolean => {
+        const type = String(conn?.config?.type || '').trim().toLowerCase();
+        if (type === 'sphinx') return true;
+        if (type !== 'custom') return false;
+        const driver = String(conn?.config?.driver || '').trim().toLowerCase();
+        return driver === 'sphinx' || driver === 'sphinxql';
+    };
+
+    const parseSchemaAndName = (fullName: string): { schema: string; name: string } => {
+        const raw = String(fullName || '').trim();
+        const idx = raw.lastIndexOf('.');
+        if (idx > 0 && idx < raw.length - 1) {
+            return { schema: raw.substring(0, idx), name: raw.substring(idx + 1) };
+        }
+        return { schema: '', name: raw };
+    };
+
+    const getCaseInsensitiveRawValue = (row: Record<string, any>, candidateKeys: string[]): any => {
+        const keyMap = new Map<string, any>();
+        Object.keys(row || {}).forEach((key) => keyMap.set(key.toLowerCase(), row[key]));
+        for (const key of candidateKeys) {
+            const value = keyMap.get(key.toLowerCase());
+            if (value !== undefined && value !== null) {
+                return value;
+            }
+        }
+        return undefined;
+    };
+
+    const parseDuckDBParameterNames = (raw: any): string[] => {
+        if (Array.isArray(raw)) {
+            return raw
+                .map((item) => String(item ?? '').trim())
+                .filter((item) => item !== '' && item.toLowerCase() !== '<nil>');
+        }
+        const text = String(raw ?? '').trim();
+        if (!text) return [];
+        const normalized = text.startsWith('[') && text.endsWith(']')
+            ? text.slice(1, -1)
+            : text;
+        return normalized
+            .split(',')
+            .map((part) => part.trim())
+            .filter((part) => part !== '' && part.toLowerCase() !== '<nil>');
+    };
+
+    const buildDuckDBMacroDDL = (
+        schemaName: string,
+        functionName: string,
+        parametersRaw: any,
+        macroDefinitionRaw: any
+    ): string => {
+        const schema = String(schemaName || '').trim();
+        const name = String(functionName || '').trim();
+        const macroDefinition = String(macroDefinitionRaw || '').trim();
+        if (!name || !macroDefinition) return '';
+
+        const parameters = parseDuckDBParameterNames(parametersRaw).join(', ');
+        const qualifiedName = schema ? `${schema}.${name}` : name;
+        const isTableMacro = !macroDefinition.startsWith('(');
+        if (isTableMacro) {
+            return `CREATE OR REPLACE MACRO ${qualifiedName}(${parameters}) AS TABLE ${macroDefinition};`;
+        }
+        return `CREATE OR REPLACE MACRO ${qualifiedName}(${parameters}) AS ${macroDefinition};`;
+    };
+
+    const buildShowViewQueries = (dialect: string, viewName: string, dbName: string): string[] => {
+        const { schema, name } = parseSchemaAndName(viewName);
+        const safeName = escapeSQLLiteral(name);
+        const safeDbName = escapeSQLLiteral(dbName);
+
+        switch (dialect) {
+            case 'mysql':
+                return [
+                    `SHOW CREATE VIEW \`${name.replace(/`/g, '``')}\``,
+                    safeDbName
+                        ? `SELECT VIEW_DEFINITION AS view_definition FROM information_schema.views WHERE table_schema = '${safeDbName}' AND table_name = '${safeName}' LIMIT 1`
+                        : '',
+                    `SHOW CREATE TABLE \`${name.replace(/`/g, '``')}\``,
+                ].filter(Boolean);
+            case 'postgres':
+            case 'kingbase':
+            case 'highgo':
+            case 'vastbase': {
+                const schemaRef = schema || 'public';
+                return [`SELECT pg_get_viewdef('${escapeSQLLiteral(schemaRef)}.${safeName}'::regclass, true) AS view_definition`];
+            }
+            case 'sqlserver':
+                return [`SELECT OBJECT_DEFINITION(OBJECT_ID('${escapeSQLLiteral(viewName)}')) AS view_definition`];
+            case 'oracle':
+            case 'dm':
+                if (schema) {
+                    return [`SELECT TEXT AS view_definition FROM ALL_VIEWS WHERE OWNER = '${escapeSQLLiteral(schema).toUpperCase()}' AND VIEW_NAME = '${safeName.toUpperCase()}'`];
+                }
+                if (safeDbName) {
+                    return [`SELECT TEXT AS view_definition FROM ALL_VIEWS WHERE OWNER = '${safeDbName.toUpperCase()}' AND VIEW_NAME = '${safeName.toUpperCase()}'`];
+                }
+                return [`SELECT TEXT AS view_definition FROM USER_VIEWS WHERE VIEW_NAME = '${safeName.toUpperCase()}'`];
+            case 'sqlite':
+                return [`SELECT sql AS view_definition FROM sqlite_master WHERE type='view' AND name='${safeName}'`];
+            case 'duckdb': {
+                const schemaRef = schema || 'main';
+                return [`SELECT view_definition FROM information_schema.views WHERE table_schema = '${escapeSQLLiteral(schemaRef)}' AND table_name = '${safeName}' LIMIT 1`];
+            }
+            default:
+                return [`-- 暂不支持该数据库类型的视图定义查看`];
+        }
+    };
+
+    const buildShowRoutineQueries = (dialect: string, routineName: string, routineType: string, dbName: string): string[] => {
+        const { schema, name } = parseSchemaAndName(routineName);
+        const safeName = escapeSQLLiteral(name);
+        const safeDbName = escapeSQLLiteral(dbName);
+        const upperType = (routineType || 'FUNCTION').toUpperCase();
+
+        switch (dialect) {
+            case 'mysql':
+                return [
+                    `SHOW CREATE ${upperType} \`${name.replace(/`/g, '``')}\``,
+                    safeDbName
+                        ? `SELECT ROUTINE_DEFINITION AS routine_definition, ROUTINE_TYPE AS routine_type FROM information_schema.routines WHERE routine_schema = '${safeDbName}' AND routine_name = '${safeName}' LIMIT 1`
+                        : '',
+                    upperType === 'PROCEDURE'
+                        ? `SHOW PROCEDURE STATUS LIKE '${safeName}'`
+                        : `SHOW FUNCTION STATUS LIKE '${safeName}'`,
+                ].filter(Boolean);
+            case 'postgres':
+            case 'kingbase':
+            case 'highgo':
+            case 'vastbase': {
+                const schemaRef = schema || 'public';
+                return [`SELECT pg_get_functiondef(p.oid) AS routine_definition FROM pg_proc p JOIN pg_namespace n ON p.pronamespace = n.oid WHERE n.nspname = '${escapeSQLLiteral(schemaRef)}' AND p.proname = '${safeName}' LIMIT 1`];
+            }
+            case 'sqlserver':
+                return [`SELECT OBJECT_DEFINITION(OBJECT_ID('${escapeSQLLiteral(routineName)}')) AS routine_definition`];
+            case 'oracle':
+            case 'dm': {
+                const owner = schema ? escapeSQLLiteral(schema).toUpperCase() : (safeDbName ? safeDbName.toUpperCase() : '');
+                if (owner) {
+                    return [`SELECT TEXT FROM ALL_SOURCE WHERE OWNER = '${owner}' AND NAME = '${safeName.toUpperCase()}' AND TYPE = '${upperType}' ORDER BY LINE`];
+                }
+                return [`SELECT TEXT FROM USER_SOURCE WHERE NAME = '${safeName.toUpperCase()}' AND TYPE = '${upperType}' ORDER BY LINE`];
+            }
+            case 'duckdb': {
+                const schemaRef = schema || 'main';
+                const safeSchema = escapeSQLLiteral(schemaRef);
+                return [
+                    `SELECT schema_name, function_name, parameters, macro_definition FROM duckdb_functions() WHERE internal = false AND lower(function_type) = 'macro' AND schema_name = '${safeSchema}' AND function_name = '${safeName}' LIMIT 1`,
+                    `SELECT schema_name, function_name, parameters, macro_definition FROM duckdb_functions() WHERE internal = false AND lower(function_type) = 'macro' AND function_name = '${safeName}' ORDER BY CASE WHEN schema_name = '${safeSchema}' THEN 0 ELSE 1 END, schema_name LIMIT 1`,
+                ];
+            }
+            case 'sqlite':
+                return [`-- SQLite 不支持函数/存储过程定义管理`];
+            default:
+                return [`-- 暂不支持该数据库类型的函数/存储过程定义查看`];
+        }
+    };
+
+    const runQueryCandidates = async (
+        config: Record<string, any>,
+        dbName: string,
+        queries: string[]
+    ): Promise<{ success: boolean; data: any[]; message?: string }> => {
+        let lastMessage = '';
+        let hasSuccessfulQuery = false;
+        for (const query of queries) {
+            const sql = String(query || '').trim();
+            if (!sql) continue;
+            try {
+                const result = await DBQuery(config as any, dbName, sql);
+                if (!result.success || !Array.isArray(result.data)) {
+                    lastMessage = result.message || lastMessage;
+                    continue;
+                }
+                hasSuccessfulQuery = true;
+                if (result.data.length > 0) {
+                    return { success: true, data: result.data };
+                }
+            } catch (error: any) {
+                lastMessage = error?.message || String(error);
+            }
+        }
+        if (hasSuccessfulQuery) {
+            return { success: true, data: [] };
+        }
+        return { success: false, data: [], message: lastMessage };
+    };
+
+    const getVersionHint = async (config: Record<string, any>, dbName: string): Promise<string> => {
+        const candidates = [
+            `SELECT VERSION() AS version`,
+            `SHOW VARIABLES LIKE 'version'`,
+        ];
+        for (const query of candidates) {
+            try {
+                const result = await DBQuery(config as any, dbName, query);
+                if (!result.success || !Array.isArray(result.data) || result.data.length === 0) {
+                    continue;
+                }
+                const row = result.data[0] as Record<string, any>;
+                const version =
+                    row.version
+                    || row.VERSION
+                    || row.Value
+                    || row.value
+                    || Object.values(row)[1]
+                    || Object.values(row)[0];
+                const text = String(version || '').trim();
+                if (text) return text;
+            } catch {
+                // ignore
+            }
+        }
+        return '';
+    };
+
+    const extractViewDefinition = (dialect: string, data: any[]): string => {
+        if (!data || data.length === 0) return '-- 未找到视图定义';
+        const row = data[0];
+
+        switch (dialect) {
+            case 'mysql': {
+                const keys = Object.keys(row);
+                const textDefinition = row.view_definition || row.VIEW_DEFINITION;
+                if (textDefinition) return String(textDefinition);
+                const sqlKey = keys.find(k => k.toLowerCase().includes('create view') || k.toLowerCase() === 'create view');
+                if (sqlKey) return row[sqlKey];
+                const tableSqlKey = keys.find(k => k.toLowerCase().includes('create table'));
+                if (tableSqlKey) return row[tableSqlKey];
+                for (const key of keys) {
+                    const val = String(row[key] || '');
+                    if (val.toUpperCase().includes('CREATE') && (val.toUpperCase().includes('VIEW') || val.toUpperCase().includes('TABLE'))) {
+                        return val;
+                    }
+                }
+                return JSON.stringify(row, null, 2);
+            }
+            case 'oracle':
+            case 'dm':
+                return row.view_definition || row.VIEW_DEFINITION || row.text || row.TEXT || Object.values(row)[0] || '';
+            default:
+                return row.view_definition || row.VIEW_DEFINITION || row.sql || row.SQL || Object.values(row)[0] || '';
+        }
+    };
+
+    const extractRoutineDefinition = (dialect: string, data: any[]): string => {
+        if (!data || data.length === 0) return '-- 未找到函数/存储过程定义';
+
+        switch (dialect) {
+            case 'mysql': {
+                const row = data[0];
+                const keys = Object.keys(row);
+                if (row.routine_definition || row.ROUTINE_DEFINITION) {
+                    return String(row.routine_definition || row.ROUTINE_DEFINITION);
+                }
+                const sqlKey = keys.find(k => k.toLowerCase().includes('create function') || k.toLowerCase().includes('create procedure'));
+                if (sqlKey) return row[sqlKey];
+                for (const key of keys) {
+                    const val = String(row[key] || '');
+                    if (val.toUpperCase().includes('CREATE') && (val.toUpperCase().includes('FUNCTION') || val.toUpperCase().includes('PROCEDURE'))) {
+                        return val;
+                    }
+                }
+                const routineName = String(row.Name || row.name || '').trim();
+                if (routineName) {
+                    const routineType = String(row.Type || row.type || row.ROUTINE_TYPE || row.routine_type || 'FUNCTION').trim().toUpperCase();
+                    return `-- 当前数据源未返回可执行定义文本，已返回元数据\n-- 名称: ${routineName}\n-- 类型: ${routineType}\n${JSON.stringify(row, null, 2)}`;
+                }
+                return JSON.stringify(row, null, 2);
+            }
+            case 'oracle':
+            case 'dm': {
+                // Oracle/DM ALL_SOURCE returns multiple rows, one per line
+                return data.map(row => row.text || row.TEXT || Object.values(row)[0] || '').join('');
+            }
+            case 'duckdb': {
+                const row = data[0] as Record<string, any>;
+                const ddl = buildDuckDBMacroDDL(
+                    String(getCaseInsensitiveRawValue(row, ['schema_name']) || '').trim(),
+                    String(getCaseInsensitiveRawValue(row, ['function_name', 'routine_name', 'name']) || '').trim(),
+                    getCaseInsensitiveRawValue(row, ['parameters']),
+                    getCaseInsensitiveRawValue(row, ['macro_definition'])
+                );
+                if (ddl) return ddl;
+                const fallback = getCaseInsensitiveRawValue(row, ['macro_definition', 'routine_definition', 'definition']);
+                if (fallback !== undefined && fallback !== null && String(fallback).trim() !== '') {
+                    return String(fallback);
+                }
+                return JSON.stringify(row, null, 2);
+            }
+            default: {
+                const row = data[0];
+                return row.routine_definition || row.ROUTINE_DEFINITION || Object.values(row)[0] || '';
+            }
+        }
+    };
+
+    useEffect(() => {
+        const loadDefinition = async () => {
+            setLoading(true);
+            setError(null);
+
+            const conn = connections.find(c => c.id === tab.connectionId);
+            if (!conn) {
+                setError('未找到数据库连接');
+                setLoading(false);
+                return;
+            }
+
+            const dbName = tab.dbName || '';
+            const dialect = getMetadataDialect(conn);
+            const sphinxLike = isSphinxConnection(conn) && dialect === 'mysql';
+
+            let queries: string[];
+            let extractFn: (dialect: string, data: any[]) => string;
+            let objectLabel: string;
+
+            if (tab.type === 'view-def') {
+                const viewName = tab.viewName || '';
+                if (!viewName) {
+                    setError('视图名称为空');
+                    setLoading(false);
+                    return;
+                }
+                queries = buildShowViewQueries(dialect, viewName, dbName);
+                extractFn = extractViewDefinition;
+                objectLabel = '视图';
+            } else {
+                const routineName = tab.routineName || '';
+                const routineType = tab.routineType || 'FUNCTION';
+                if (!routineName) {
+                    setError('函数/存储过程名称为空');
+                    setLoading(false);
+                    return;
+                }
+                queries = buildShowRoutineQueries(dialect, routineName, routineType, dbName);
+                extractFn = extractRoutineDefinition;
+                objectLabel = '函数/存储过程';
+            }
+
+            if (!queries.length || String(queries[0] || '').startsWith('--')) {
+                setDefinition(String(queries[0] || '-- 暂不支持该对象定义查看'));
+                setLoading(false);
+                return;
+            }
+
+            try {
+                const config = {
+                    ...conn.config,
+                    port: Number(conn.config.port),
+                    password: conn.config.password || '',
+                    database: conn.config.database || '',
+                    useSSH: conn.config.useSSH || false,
+                    ssh: conn.config.ssh || { host: '', port: 22, user: '', password: '', keyPath: '' }
+                };
+
+                const result = await runQueryCandidates(config, dbName, queries);
+
+                if (result.success && Array.isArray(result.data) && result.data.length > 0) {
+                    const def = extractFn(dialect, result.data);
+                    setDefinition(def);
+                    return;
+                }
+
+                if (result.success) {
+                    if (sphinxLike) {
+                        const version = await getVersionHint(config, dbName);
+                        const versionText = version ? `（版本: ${version}）` : '';
+                        setDefinition(`-- 当前 Sphinx 实例${versionText}未返回${objectLabel}定义。\n-- 已执行多套兼容查询，可能是版本能力限制或对象类型不支持。`);
+                        return;
+                    }
+                    setDefinition(`-- 未找到${objectLabel}定义`);
+                } else if (sphinxLike) {
+                    const version = await getVersionHint(config, dbName);
+                    const versionText = version ? `（版本: ${version}）` : '';
+                    setDefinition(`-- 当前 Sphinx 实例${versionText}不支持${objectLabel}定义查询。\n-- 已自动尝试兼容语句，返回失败信息: ${result.message || 'unknown error'}`);
+                } else {
+                    setError(result.message || '查询定义失败');
+                }
+            } catch (e: any) {
+                setError('查询定义失败: ' + (e?.message || String(e)));
+            } finally {
+                setLoading(false);
+            }
+        };
+
+        loadDefinition();
+    }, [tab.connectionId, tab.dbName, tab.viewName, tab.routineName, tab.routineType, tab.type, connections]);
+
+    const objectLabel = tab.type === 'view-def' ? '视图' : '函数/存储过程';
+    const objectName = tab.type === 'view-def' ? tab.viewName : tab.routineName;
+
+    if (loading) {
+        return (
+            <div style={{ display: 'flex', justifyContent: 'center', alignItems: 'center', height: '100%' }}>
+                <Spin tip={`加载${objectLabel}定义...`} />
+            </div>
+        );
+    }
+
+    if (error) {
+        return (
+            <div style={{ padding: 16 }}>
+                <Alert type="error" message="加载失败" description={error} showIcon />
+            </div>
+        );
+    }
+
+    return (
+        <div style={{ display: 'flex', flexDirection: 'column', height: '100%' }}>
+            <div style={{ padding: '8px 16px', borderBottom: darkMode ? '1px solid #303030' : '1px solid #f0f0f0' }}>
+                <strong>{objectLabel}: </strong>{objectName}
+                {tab.dbName && <span style={{ marginLeft: 16, color: '#888' }}>数据库: {tab.dbName}</span>}
+                {tab.routineType && <span style={{ marginLeft: 16, color: '#888' }}>类型: {tab.routineType}</span>}
+            </div>
+            <div style={{ flex: 1, minHeight: 0 }}>
+                <Editor
+                    height="100%"
+                    language="sql"
+                    theme={darkMode ? 'transparent-dark' : 'transparent-light'}
+                    value={definition}
+                    options={{
+                        readOnly: true,
+                        minimap: { enabled: false },
+                        fontSize: 14,
+                        lineNumbers: 'on',
+                        scrollBeyondLastLine: false,
+                        wordWrap: 'on',
+                        automaticLayout: true,
+                    }}
+                />
+            </div>
+        </div>
+    );
+};
+
+export default DefinitionViewer;

frontend/src/components/ImportPreviewModal.tsx

@@ -0,0 +1,250 @@
+import React, { useState, useEffect } from 'react';
+import { Modal, Table, Alert, Progress, Button, Space } from 'antd';
+import { CheckCircleOutlined, CloseCircleOutlined } from '@ant-design/icons';
+import { PreviewImportFile, ImportDataWithProgress } from '../../wailsjs/go/app/App';
+import { EventsOn, EventsOff } from '../../wailsjs/runtime/runtime';
+import { useStore } from '../store';
+
+interface ImportPreviewModalProps {
+    visible: boolean;
+    filePath: string;
+    connectionId: string;
+    dbName: string;
+    tableName: string;
+    onClose: () => void;
+    onSuccess: () => void;
+}
+
+interface PreviewData {
+    columns: string[];
+    totalRows: number;
+    previewRows: any[];
+}
+
+interface ImportProgress {
+    current: number;
+    total: number;
+    success: number;
+    errors: number;
+}
+
+const ImportPreviewModal: React.FC<ImportPreviewModalProps> = ({
+    visible,
+    filePath,
+    connectionId,
+    dbName,
+    tableName,
+    onClose,
+    onSuccess
+}) => {
+    const connections = useStore(state => state.connections);
+    const [loading, setLoading] = useState(true);
+    const [previewData, setPreviewData] = useState<PreviewData | null>(null);
+    const [error, setError] = useState<string | null>(null);
+    const [importing, setImporting] = useState(false);
+    const [progress, setProgress] = useState<ImportProgress | null>(null);
+    const [importResult, setImportResult] = useState<any>(null);
+
+    useEffect(() => {
+        if (visible && filePath) {
+            loadPreview();
+        }
+    }, [visible, filePath]);
+
+    useEffect(() => {
+        if (importing) {
+            const unsubscribe = EventsOn('import:progress', (data: ImportProgress) => {
+                setProgress(data);
+            });
+            return () => {
+                EventsOff('import:progress');
+            };
+        }
+    }, [importing]);
+
+    const loadPreview = async () => {
+        setLoading(true);
+        setError(null);
+        try {
+            const res = await PreviewImportFile(filePath);
+            if (res.success && res.data) {
+                setPreviewData({
+                    columns: res.data.columns || [],
+                    totalRows: res.data.totalRows || 0,
+                    previewRows: res.data.previewRows || []
+                });
+            } else {
+                setError(res.message || '预览失败');
+            }
+        } catch (e: any) {
+            setError('预览失败: ' + e.message);
+        } finally {
+            setLoading(false);
+        }
+    };
+
+    const handleImport = async () => {
+        if (!previewData) return;
+
+        setImporting(true);
+        setProgress({ current: 0, total: previewData.totalRows, success: 0, errors: 0 });
+        setImportResult(null);
+
+        try {
+            const conn = connections.find(c => c.id === connectionId);
+            if (!conn) {
+                setError('连接配置未找到');
+                setImporting(false);
+                return;
+            }
+
+            const config = {
+                ...conn.config,
+                port: Number(conn.config.port),
+                password: conn.config.password || '',
+                database: conn.config.database || '',
+                useSSH: conn.config.useSSH || false,
+                ssh: conn.config.ssh || { host: '', port: 22, user: '', password: '', keyPath: '' }
+            };
+
+            const res = await ImportDataWithProgress(config as any, dbName, tableName, filePath);
+
+            if (res.success && res.data) {
+                setImportResult(res.data);
+                if (res.data.failed === 0) {
+                    onSuccess();
+                }
+            } else {
+                setError(res.message || '导入失败');
+            }
+        } catch (e: any) {
+            setError('导入失败: ' + e.message);
+        } finally {
+            setImporting(false);
+        }
+    };
+
+    const columns = previewData?.columns.map(col => ({
+        title: col,
+        dataIndex: col,
+        key: col,
+        ellipsis: true,
+        width: 150
+    })) || [];
+
+    const progressPercent = progress ? Math.round((progress.current / progress.total) * 100) : 0;
+
+    return (
+        <Modal
+            title="导入数据预览"
+            open={visible}
+            onCancel={onClose}
+            width={900}
+            footer={
+                importResult ? (
+                    <Space>
+                        <Button onClick={onClose}>关闭</Button>
+                    </Space>
+                ) : importing ? null : (
+                    <Space>
+                        <Button onClick={onClose}>取消</Button>
+                        <Button
+                            type="primary"
+                            onClick={handleImport}
+                            disabled={!previewData || loading}
+                        >
+                            开始导入
+                        </Button>
+                    </Space>
+                )
+            }
+        >
+            {error && <Alert type="error" message={error} style={{ marginBottom: 16 }} showIcon />}
+
+            {loading && <div style={{ textAlign: 'center', padding: 40 }}>加载预览数据...</div>}
+
+            {!loading && previewData && !importing && !importResult && (
+                <>
+                    <Alert
+                        type="info"
+                        message={`共 ${previewData.totalRows} 行数据，${previewData.columns.length} 个字段`}
+                        description='以下是前 5 行预览数据，确认无误后点击“开始导入”'
+                        style={{ marginBottom: 16 }}
+                        showIcon
+                    />
+                    <div style={{ marginBottom: 8, fontWeight: 600 }}>字段列表：</div>
+                    <div style={{ marginBottom: 16, padding: 8, background: '#f5f5f5', borderRadius: 4 }}>
+                        {previewData.columns.join(', ')}
+                    </div>
+                    <div style={{ marginBottom: 8, fontWeight: 600 }}>数据预览（前 5 行）：</div>
+                    <Table
+                        dataSource={previewData.previewRows}
+                        columns={columns}
+                        pagination={false}
+                        scroll={{ x: 'max-content' }}
+                        size="small"
+                        bordered
+                    />
+                </>
+            )}
+
+            {importing && progress && (
+                <div style={{ padding: '40px 20px' }}>
+                    <div style={{ marginBottom: 16, fontSize: 16, fontWeight: 600, textAlign: 'center' }}>
+                        正在导入数据...
+                    </div>
+                    <Progress percent={progressPercent} status="active" />
+                    <div style={{ marginTop: 16, textAlign: 'center', color: '#666' }}>
+                        已处理 {progress.current} / {progress.total} 行
+                        <span style={{ marginLeft: 16, color: '#52c41a' }}>
+                            <CheckCircleOutlined /> 成功 {progress.success}
+                        </span>
+                        {progress.errors > 0 && (
+                            <span style={{ marginLeft: 16, color: '#ff4d4f' }}>
+                                <CloseCircleOutlined /> 失败 {progress.errors}
+                            </span>
+                        )}
+                    </div>
+                </div>
+            )}
+
+            {importResult && (
+                <div style={{ padding: 20 }}>
+                    <Alert
+                        type={importResult.failed === 0 ? 'success' : 'warning'}
+                        message="导入完成"
+                        description={
+                            <div>
+                                <div>成功导入 {importResult.success} 行</div>
+                                {importResult.failed > 0 && <div>失败 {importResult.failed} 行</div>}
+                            </div>
+                        }
+                        showIcon
+                        style={{ marginBottom: 16 }}
+                    />
+                    {importResult.errorLogs && importResult.errorLogs.length > 0 && (
+                        <>
+                            <div style={{ marginBottom: 8, fontWeight: 600, color: '#ff4d4f' }}>错误日志：</div>
+                            <div style={{
+                                maxHeight: 300,
+                                overflow: 'auto',
+                                background: '#fff1f0',
+                                border: '1px solid #ffccc7',
+                                borderRadius: 4,
+                                padding: 12,
+                                fontSize: 12,
+                                fontFamily: 'monospace'
+                            }}>
+                                {importResult.errorLogs.map((log: string, idx: number) => (
+                                    <div key={idx} style={{ marginBottom: 4 }}>{log}</div>
+                                ))}
+                            </div>
+                        </>
+                    )}
+                </div>
+            )}
+        </Modal>
+    );
+};
+
+export default ImportPreviewModal;

frontend/src/components/LogPanel.tsx

@@ -2,6 +2,7 @@ import React, { useRef, useEffect } from 'react';
 import { Table, Tag, Button, Tooltip } from 'antd';
 import { ClearOutlined, CloseOutlined, CaretRightOutlined, BugOutlined } from '@ant-design/icons';
 import { useStore } from '../store';
+import { normalizeOpacityForPlatform } from '../utils/appearance';
 
 interface LogPanelProps {
     height: number;
@@ -10,14 +11,34 @@ interface LogPanelProps {
 }
 
 const LogPanel: React.FC<LogPanelProps> = ({ height, onClose, onResizeStart }) => {
-    const { sqlLogs, clearSqlLogs, darkMode } = useStore();
+    const sqlLogs = useStore(state => state.sqlLogs);
+    const clearSqlLogs = useStore(state => state.clearSqlLogs);
+    const theme = useStore(state => state.theme);
+    const appearance = useStore(state => state.appearance);
+    const darkMode = theme === 'dark';
+    const opacity = normalizeOpacityForPlatform(appearance.opacity);
+
+    // Background Helper
+    const getBg = (darkHex: string) => {
+        if (!darkMode) return `rgba(255, 255, 255, ${opacity})`;
+        const hex = darkHex.replace('#', '');
+        const r = parseInt(hex.substring(0, 2), 16);
+        const g = parseInt(hex.substring(2, 4), 16);
+        const b = parseInt(hex.substring(4, 6), 16);
+        return `rgba(${r}, ${g}, ${b}, ${opacity})`;
+    };
+    const bgMain = getBg('#1d1d1d');
+    const panelDividerColor = darkMode ? 'rgba(255,255,255,0.08)' : 'rgba(0,0,0,0.08)';
+    const panelMutedTextColor = darkMode ? 'rgba(255,255,255,0.62)' : 'rgba(0,0,0,0.58)';
+    const logScrollbarThumb = darkMode ? 'rgba(255, 255, 255, 0.34)' : 'rgba(0, 0, 0, 0.26)';
+    const logScrollbarThumbHover = darkMode ? 'rgba(255, 255, 255, 0.5)' : 'rgba(0, 0, 0, 0.36)';
 
     const columns = [
         {
             title: 'Time',
             dataIndex: 'timestamp',
             width: 80,
-            render: (ts: number) => <span style={{ color: '#888', fontSize: '12px' }}>{new Date(ts).toLocaleTimeString()}</span>
+            render: (ts: number) => <span style={{ color: panelMutedTextColor, fontSize: '12px' }}>{new Date(ts).toLocaleTimeString()}</span>
         },
         {
             title: 'Status',
@@ -42,7 +63,7 @@ const LogPanel: React.FC<LogPanelProps> = ({ height, onClose, onResizeStart }) =
                 <div style={{ fontFamily: 'monospace', wordBreak: 'break-all', fontSize: '12px', lineHeight: '1.2' }}>
                     <div style={{ color: darkMode ? '#a6e22e' : '#005cc5' }}>{text}</div>
                     {record.message && <div style={{ color: '#ff4d4f', marginTop: 2 }}>{record.message}</div>}
-                    {record.affectedRows !== undefined && <div style={{ color: '#888', marginTop: 1 }}>Affected: {record.affectedRows}</div>}
+                    {record.affectedRows !== undefined && <div style={{ color: panelMutedTextColor, marginTop: 1 }}>Affected: {record.affectedRows}</div>}
                 </div>
             )
         }
@@ -51,8 +72,8 @@ const LogPanel: React.FC<LogPanelProps> = ({ height, onClose, onResizeStart }) =
     return (
         <div style={{ 
             height, 
-            borderTop: darkMode ? '1px solid #303030' : '1px solid #d9d9d9', 
-            background: darkMode ? '#1f1f1f' : '#fff',
+            borderTop: `1px solid ${panelDividerColor}`,
+            background: bgMain,
             display: 'flex',
             flexDirection: 'column',
             position: 'relative',
@@ -75,11 +96,10 @@ const LogPanel: React.FC<LogPanelProps> = ({ height, onClose, onResizeStart }) =
             {/* Toolbar */}
             <div style={{ 
                 padding: '4px 8px', 
-                borderBottom: darkMode ? '1px solid #303030' : '1px solid #f0f0f0',
+                borderBottom: `1px solid ${panelDividerColor}`,
                 display: 'flex',
                 justifyContent: 'space-between',
                 alignItems: 'center',
-                background: darkMode ? '#2a2a2a' : '#fafafa',
                 height: 32
             }}>
                 <div style={{ display: 'flex', alignItems: 'center', gap: 8, fontWeight: 'bold', fontSize: '12px' }}>
@@ -96,8 +116,9 @@ const LogPanel: React.FC<LogPanelProps> = ({ height, onClose, onResizeStart }) =
             </div>
 
             {/* List */}
-            <div style={{ flex: 1, overflow: 'auto' }}>
+            <div className="log-panel-scroll" style={{ flex: 1, overflow: 'auto' }}>
                 <Table 
+                    className="log-panel-table"
                     dataSource={sqlLogs} 
                     columns={columns} 
                     size="small" 
@@ -107,8 +128,37 @@ const LogPanel: React.FC<LogPanelProps> = ({ height, onClose, onResizeStart }) =
                     // scroll={{ y: height - 32 }} // Let flex handle it
                 />
             </div>
+            <style>{`
+                .log-panel-scroll {
+                    scrollbar-width: thin;
+                    scrollbar-color: ${logScrollbarThumb} transparent;
+                }
+                .log-panel-scroll::-webkit-scrollbar {
+                    width: 10px;
+                    height: 10px;
+                }
+                .log-panel-scroll::-webkit-scrollbar-track,
+                .log-panel-scroll::-webkit-scrollbar-corner {
+                    background: transparent;
+                }
+                .log-panel-scroll::-webkit-scrollbar-thumb {
+                    background: ${logScrollbarThumb};
+                    border-radius: 8px;
+                    border: 2px solid transparent;
+                    background-clip: padding-box;
+                }
+                .log-panel-scroll::-webkit-scrollbar-thumb:hover {
+                    background: ${logScrollbarThumbHover};
+                    background-clip: padding-box;
+                }
+                .log-panel-table .ant-table,
+                .log-panel-table .ant-table-container,
+                .log-panel-table .ant-table-tbody > tr > td {
+                    background: transparent !important;
+                }
+            `}</style>
         </div>
     );
 };
 
-export default LogPanel;
+export default LogPanel;

frontend/src/components/RedisCommandEditor.tsx

@@ -0,0 +1,205 @@
+import React, { useState, useCallback, useRef } from 'react';
+import { Button, Space, message } from 'antd';
+import { PlayCircleOutlined, ClearOutlined } from '@ant-design/icons';
+import { useStore } from '../store';
+import Editor, { OnMount } from '@monaco-editor/react';
+
+interface RedisCommandEditorProps {
+    connectionId: string;
+    redisDB: number;
+}
+
+interface CommandResult {
+    command: string;
+    result: any;
+    error?: string;
+    timestamp: number;
+}
+
+const RedisCommandEditor: React.FC<RedisCommandEditorProps> = ({ connectionId, redisDB }) => {
+    const { connections } = useStore();
+    const connection = connections.find(c => c.id === connectionId);
+
+    const [command, setCommand] = useState('');
+    const [results, setResults] = useState<CommandResult[]>([]);
+    const [loading, setLoading] = useState(false);
+    const editorRef = useRef<any>(null);
+
+    const getConfig = useCallback(() => {
+        if (!connection) return null;
+        return {
+            ...connection.config,
+            port: Number(connection.config.port),
+            password: connection.config.password || "",
+            useSSH: connection.config.useSSH || false,
+            ssh: connection.config.ssh || { host: "", port: 22, user: "", password: "", keyPath: "" },
+            redisDB: redisDB
+        };
+    }, [connection, redisDB]);
+
+    const handleEditorMount: OnMount = (editor) => {
+        editorRef.current = editor;
+        // Add keyboard shortcut for execute
+        editor.addCommand(
+            // Ctrl/Cmd + Enter
+            2048 | 3, // KeyMod.CtrlCmd | KeyCode.Enter
+            () => handleExecute()
+        );
+    };
+
+    const handleExecute = async () => {
+        const config = getConfig();
+        if (!config) return;
+
+        const cmdToExecute = command.trim();
+        if (!cmdToExecute) {
+            message.warning('请输入命令');
+            return;
+        }
+
+        // Support multiple commands separated by newlines
+        const commands = cmdToExecute.split('\n').filter(c => c.trim() && !c.trim().startsWith('//') && !c.trim().startsWith('#'));
+
+        setLoading(true);
+        const newResults: CommandResult[] = [];
+
+        for (const cmd of commands) {
+            const trimmedCmd = cmd.trim();
+            if (!trimmedCmd) continue;
+
+            try {
+                const res = await (window as any).go.app.App.RedisExecuteCommand(config, trimmedCmd);
+                newResults.push({
+                    command: trimmedCmd,
+                    result: res.success ? res.data : null,
+                    error: res.success ? undefined : res.message,
+                    timestamp: Date.now()
+                });
+            } catch (e: any) {
+                newResults.push({
+                    command: trimmedCmd,
+                    result: null,
+                    error: e?.message || String(e),
+                    timestamp: Date.now()
+                });
+            }
+        }
+
+        setResults(prev => [...newResults, ...prev]);
+        setLoading(false);
+    };
+
+    const handleClear = () => {
+        setResults([]);
+    };
+
+    const formatResult = (result: any): string => {
+        if (result === null || result === undefined) {
+            return '(nil)';
+        }
+        if (typeof result === 'string') {
+            return `"${result}"`;
+        }
+        if (typeof result === 'number') {
+            return `(integer) ${result}`;
+        }
+        if (Array.isArray(result)) {
+            if (result.length === 0) {
+                return '(empty array)';
+            }
+            return result.map((item, index) => `${index + 1}) ${formatResult(item)}`).join('\n');
+        }
+        if (typeof result === 'object') {
+            return JSON.stringify(result, null, 2);
+        }
+        return String(result);
+    };
+
+    if (!connection) {
+        return <div style={{ padding: 20 }}>连接不存在</div>;
+    }
+
+    return (
+        <div style={{ display: 'flex', flexDirection: 'column', height: '100%' }}>
+            {/* Command Input */}
+            <div style={{ borderBottom: '1px solid #f0f0f0' }}>
+                <div style={{ padding: '8px 12px', borderBottom: '1px solid #f0f0f0', display: 'flex', justifyContent: 'space-between', alignItems: 'center' }}>
+                    <Space>
+                        <span style={{ fontWeight: 500 }}>Redis 命令</span>
+                        <span style={{ color: '#999', fontSize: 12 }}>db{redisDB}</span>
+                    </Space>
+                    <Space>
+                        <Button
+                            type="primary"
+                            icon={<PlayCircleOutlined />}
+                            onClick={handleExecute}
+                            loading={loading}
+                        >
+                            执行 (Ctrl+Enter)
+                        </Button>
+                        <Button icon={<ClearOutlined />} onClick={handleClear}>清空结果</Button>
+                    </Space>
+                </div>
+                <Editor
+                    height="150px"
+                    defaultLanguage="plaintext"
+                    value={command}
+                    onChange={(value) => setCommand(value || '')}
+                    onMount={handleEditorMount}
+                    options={{
+                        minimap: { enabled: false },
+                        lineNumbers: 'on',
+                        fontSize: 14,
+                        wordWrap: 'on',
+                        scrollBeyondLastLine: false,
+                        automaticLayout: true,
+                        tabSize: 2
+                    }}
+                />
+            </div>
+
+            {/* Results */}
+            <div style={{ flex: 1, overflow: 'auto', background: '#1e1e1e', color: '#d4d4d4', fontFamily: 'monospace' }}>
+                {results.length === 0 ? (
+                    <div style={{ padding: 20, color: '#666', textAlign: 'center' }}>
+                        输入 Redis 命令并按 Ctrl+Enter 执行
+                        <br />
+                        <span style={{ fontSize: 12 }}>支持多行命令，每行一个命令</span>
+                    </div>
+                ) : (
+                    results.map((item, index) => (
+                        <div key={item.timestamp + index} style={{ padding: '8px 12px', borderBottom: '1px solid #333' }}>
+                            <div style={{ color: '#569cd6', marginBottom: 4 }}>
+                                &gt; {item.command}
+                            </div>
+                            {item.error ? (
+                                <div style={{ color: '#f14c4c', whiteSpace: 'pre-wrap' }}>
+                                    (error) {item.error}
+                                </div>
+                            ) : (
+                                <div style={{ color: '#ce9178', whiteSpace: 'pre-wrap' }}>
+                                    {formatResult(item.result)}
+                                </div>
+                            )}
+                        </div>
+                    ))
+                )}
+            </div>
+
+            {/* Common Commands Help */}
+            <div style={{ padding: '8px 12px', borderTop: '1px solid #f0f0f0', background: '#fafafa', fontSize: 12, color: '#666' }}>
+                常用命令:
+                <span style={{ marginLeft: 8 }}>
+                    <code>KEYS *</code> |
+                    <code style={{ marginLeft: 8 }}>GET key</code> |
+                    <code style={{ marginLeft: 8 }}>SET key value</code> |
+                    <code style={{ marginLeft: 8 }}>HGETALL key</code> |
+                    <code style={{ marginLeft: 8 }}>INFO</code> |
+                    <code style={{ marginLeft: 8 }}>DBSIZE</code>
+                </span>
+            </div>
+        </div>
+    );
+};
+
+export default RedisCommandEditor;

frontend/src/components/TabManager.tsx

@@ -1,12 +1,107 @@
-import React, { useMemo } from 'react';
-import { Tabs, Button } from 'antd';
+import React, { useMemo, useRef, useState } from 'react';
+import { Tabs, Dropdown } from 'antd';
+import type { MenuProps, TabsProps } from 'antd';
+import { DndContext, PointerSensor, closestCenter, useSensor, useSensors } from '@dnd-kit/core';
+import type { DragStartEvent, DragEndEvent } from '@dnd-kit/core';
+import { SortableContext, useSortable, horizontalListSortingStrategy } from '@dnd-kit/sortable';
+import { CSS } from '@dnd-kit/utilities';
+import { restrictToHorizontalAxis } from '@dnd-kit/modifiers';
 import { useStore } from '../store';
 import DataViewer from './DataViewer';
 import QueryEditor from './QueryEditor';
 import TableDesigner from './TableDesigner';
+import RedisViewer from './RedisViewer';
+import RedisCommandEditor from './RedisCommandEditor';
+import TriggerViewer from './TriggerViewer';
+import DefinitionViewer from './DefinitionViewer';
+import type { TabData } from '../types';
+
+const detectConnectionEnvLabel = (connectionName: string): string | null => {
+  const tokens = connectionName.toLowerCase().split(/[^a-z0-9]+/).filter(Boolean);
+  if (tokens.includes('prod') || tokens.includes('production')) return 'PROD';
+  if (tokens.includes('uat')) return 'UAT';
+  if (tokens.includes('dev') || tokens.includes('development')) return 'DEV';
+  if (tokens.includes('sit')) return 'SIT';
+  if (tokens.includes('stg') || tokens.includes('stage') || tokens.includes('staging') || tokens.includes('pre')) return 'STG';
+  if (tokens.includes('test') || tokens.includes('qa')) return 'TEST';
+  return null;
+};
+
+const buildTabDisplayTitle = (tab: TabData, connectionName: string | undefined): string => {
+  if (tab.type !== 'table' && tab.type !== 'design') return tab.title;
+  if (!connectionName) return tab.title;
+  const prefix = detectConnectionEnvLabel(connectionName) || connectionName;
+  return `[${prefix}] ${tab.title}`;
+};
+
+type SortableTabLabelProps = {
+  displayTitle: string;
+  menuItems: MenuProps['items'];
+};
+
+const SortableTabLabel: React.FC<SortableTabLabelProps> = ({
+  displayTitle,
+  menuItems,
+}) => {
+  return (
+    <Dropdown menu={{ items: menuItems }} trigger={['contextMenu']}>
+      <span
+        className="tab-dnd-label"
+        onContextMenu={(e) => e.preventDefault()}
+        title="拖拽调整标签顺序"
+      >
+        {displayTitle}
+      </span>
+    </Dropdown>
+  );
+};
+
+type DraggableTabNodeProps = {
+  node: React.ReactElement;
+};
+
+const DraggableTabNode: React.FC<DraggableTabNodeProps> = ({ node }) => {
+  const tabId = String(node.key || '').trim();
+  const { attributes, listeners, setNodeRef, transform, transition, isDragging } = useSortable({ id: tabId });
+  const style: React.CSSProperties = {
+    ...(node.props.style || {}),
+    transform: CSS.Transform.toString(transform),
+    transition: transition || 'transform 180ms cubic-bezier(0.22, 1, 0.36, 1)',
+    opacity: isDragging ? 0.88 : 1,
+    cursor: isDragging ? 'grabbing' : 'grab',
+    touchAction: 'none',
+    zIndex: isDragging ? 2 : node.props.style?.zIndex,
+  };
+
+  return React.cloneElement(node, {
+    ref: setNodeRef,
+    style,
+    ...attributes,
+    ...listeners,
+    className: `${node.props.className || ''} tab-dnd-node${isDragging ? ' is-dragging' : ''}`,
+  });
+};
 
 const TabManager: React.FC = () => {
-  const { tabs, activeTabId, setActiveTab, closeTab } = useStore();
+  const tabs = useStore(state => state.tabs);
+  const connections = useStore(state => state.connections);
+  const theme = useStore(state => state.theme);
+  const activeTabId = useStore(state => state.activeTabId);
+  const setActiveTab = useStore(state => state.setActiveTab);
+  const closeTab = useStore(state => state.closeTab);
+  const closeOtherTabs = useStore(state => state.closeOtherTabs);
+  const closeTabsToLeft = useStore(state => state.closeTabsToLeft);
+  const closeTabsToRight = useStore(state => state.closeTabsToRight);
+  const closeAllTabs = useStore(state => state.closeAllTabs);
+  const moveTab = useStore(state => state.moveTab);
+  const tabsNavBorderColor = theme === 'dark' ? 'rgba(255, 255, 255, 0.09)' : 'rgba(0, 0, 0, 0.08)';
+  const [draggingTabId, setDraggingTabId] = useState<string | null>(null);
+  const suppressClickUntilRef = useRef<number>(0);
+  const sensors = useSensors(
+    useSensor(PointerSensor, {
+      activationConstraint: { distance: 8 },
+    })
+  );
 
   const onChange = (newActiveKey: string) => {
     setActiveTab(newActiveKey);
@@ -18,38 +113,202 @@ const TabManager: React.FC = () => {
     }
   };
 
-  const items = useMemo(() => tabs.map(tab => {
+  const handleDragStart = (event: DragStartEvent) => {
+    const sourceId = String(event.active.id || '').trim();
+    setDraggingTabId(sourceId || null);
+  };
+
+  const handleDragEnd = (event: DragEndEvent) => {
+    const sourceId = String(event.active.id || '').trim();
+    const targetId = String(event.over?.id || '').trim();
+    setDraggingTabId(null);
+    if (!sourceId || !targetId || sourceId === targetId) {
+      return;
+    }
+    suppressClickUntilRef.current = Date.now() + 120;
+    moveTab(sourceId, targetId);
+  };
+
+  const handleDragCancel = () => {
+    setDraggingTabId(null);
+  };
+
+  const tabIds = useMemo(() => tabs.map((tab) => tab.id), [tabs]);
+
+  const renderTabBar: TabsProps['renderTabBar'] = (tabBarProps, DefaultTabBar) => (
+    <DefaultTabBar {...tabBarProps}>
+      {(node) => <DraggableTabNode key={node.key} node={node} />}
+    </DefaultTabBar>
+  );
+
+  const items = useMemo(() => tabs.map((tab, index) => {
+    const connectionName = connections.find((conn) => conn.id === tab.connectionId)?.name;
+    const displayTitle = buildTabDisplayTitle(tab, connectionName);
+    const keepMountedWhenInactive = tab.type === 'query' || tab.type === 'redis-command';
+    const shouldRenderContent = activeTabId === tab.id || keepMountedWhenInactive;
     let content;
-    if (tab.type === 'query') {
+    if (!shouldRenderContent) {
+      content = null;
+    } else if (tab.type === 'query') {
       content = <QueryEditor tab={tab} />;
     } else if (tab.type === 'table') {
       content = <DataViewer tab={tab} />;
     } else if (tab.type === 'design') {
       content = <TableDesigner tab={tab} />;
+    } else if (tab.type === 'redis-keys') {
+      content = <RedisViewer connectionId={tab.connectionId} redisDB={tab.redisDB ?? 0} />;
+    } else if (tab.type === 'redis-command') {
+      content = <RedisCommandEditor connectionId={tab.connectionId} redisDB={tab.redisDB ?? 0} />;
+    } else if (tab.type === 'trigger') {
+      content = <TriggerViewer tab={tab} />;
+    } else if (tab.type === 'view-def' || tab.type === 'routine-def') {
+      content = <DefinitionViewer tab={tab} />;
     }
+
+    const menuItems: MenuProps['items'] = [
+      {
+        key: 'close-other',
+        label: '关闭其他页',
+        disabled: tabs.length <= 1,
+        onClick: () => closeOtherTabs(tab.id),
+      },
+      {
+        key: 'close-left',
+        label: '关闭左侧',
+        disabled: index === 0,
+        onClick: () => closeTabsToLeft(tab.id),
+      },
+      {
+        key: 'close-right',
+        label: '关闭右侧',
+        disabled: index === tabs.length - 1,
+        onClick: () => closeTabsToRight(tab.id),
+      },
+      { type: 'divider' },
+      {
+        key: 'close-all',
+        label: '关闭所有',
+        disabled: tabs.length === 0,
+        onClick: () => closeAllTabs(),
+      },
+    ];
     
     return {
-      label: tab.title,
+      label: (
+        <SortableTabLabel
+          displayTitle={displayTitle}
+          menuItems={menuItems}
+        />
+      ),
       key: tab.id,
       children: content,
     };
-  }), [tabs]);
+  }), [tabs, connections, activeTabId, closeOtherTabs, closeTabsToLeft, closeTabsToRight, closeAllTabs]);
 
   return (
     <>
         <style>{`
-            .ant-tabs-content { height: 100%; }
-            .ant-tabs-tabpane { height: 100%; }
+            .main-tabs {
+              height: 100%;
+              flex: 1 1 auto;
+              min-height: 0;
+              min-width: 0;
+              display: flex;
+              flex-direction: column;
+              overflow: hidden;
+            }
+            .main-tabs .ant-tabs-nav {
+              flex: 0 0 auto;
+            }
+            .main-tabs .ant-tabs-content-holder {
+              flex: 1 1 auto;
+              min-height: 0;
+              min-width: 0;
+              overflow: hidden;
+              display: flex;
+              flex-direction: column;
+            }
+            .main-tabs .ant-tabs-content {
+              flex: 1 1 auto;
+              min-height: 0;
+              min-width: 0;
+              display: flex;
+              flex-direction: column;
+            }
+            .main-tabs .ant-tabs-tabpane {
+              flex: 1 1 auto;
+              min-height: 0;
+              min-width: 0;
+              display: flex;
+              flex-direction: column;
+              overflow: hidden;
+            }
+            .main-tabs .ant-tabs-tabpane > div {
+              flex: 1 1 auto;
+              min-height: 0;
+              min-width: 0;
+            }
+            .main-tabs .ant-tabs-tabpane-hidden {
+              display: none !important;
+            }
+            .main-tabs .ant-tabs-nav::before {
+                border-bottom: 1px solid ${tabsNavBorderColor} !important;
+            }
+            .main-tabs .ant-tabs-tab {
+              transition: transform 180ms cubic-bezier(0.22, 1, 0.36, 1), background-color 120ms ease;
+            }
+            .main-tabs .tab-dnd-label {
+              user-select: none;
+              -webkit-user-select: none;
+              display: inline-flex;
+              align-items: center;
+              max-width: 100%;
+            }
+            .main-tabs .tab-dnd-node.is-dragging,
+            .main-tabs .tab-dnd-node.is-dragging .tab-dnd-label {
+              cursor: grabbing !important;
+            }
+            body[data-theme='dark'] .main-tabs .ant-tabs-tab-btn:focus-visible {
+              outline: none !important;
+              border-radius: 6px;
+              box-shadow: 0 0 0 2px rgba(255, 214, 102, 0.72);
+              background: rgba(255, 214, 102, 0.16);
+            }
+            body[data-theme='light'] .main-tabs .ant-tabs-tab-btn:focus-visible {
+              outline: none !important;
+              border-radius: 6px;
+              box-shadow: 0 0 0 2px rgba(9, 109, 217, 0.32);
+              background: rgba(9, 109, 217, 0.08);
+            }
+            body[data-theme='dark'] .main-tabs .ant-tabs-tab.ant-tabs-tab-active {
+              background: rgba(255, 214, 102, 0.12) !important;
+              border-color: rgba(255, 214, 102, 0.4) !important;
+            }
         `}</style>
-        <Tabs
-            type="editable-card"
-            onChange={onChange}
-            activeKey={activeTabId || undefined}
-            onEdit={onEdit}
-            items={items}
-            style={{ height: '100%' }}
-            hideAdd
-        />
+        <DndContext
+          sensors={sensors}
+          collisionDetection={closestCenter}
+          modifiers={[restrictToHorizontalAxis]}
+          onDragStart={handleDragStart}
+          onDragEnd={handleDragEnd}
+          onDragCancel={handleDragCancel}
+        >
+          <SortableContext items={tabIds} strategy={horizontalListSortingStrategy}>
+            <Tabs
+                className="main-tabs"
+                type="editable-card"
+                onChange={(newActiveKey) => {
+                  if (Date.now() < suppressClickUntilRef.current) return;
+                  onChange(newActiveKey);
+                }}
+                activeKey={activeTabId || undefined}
+                onEdit={onEdit}
+                items={items}
+                hideAdd
+                renderTabBar={renderTabBar}
+            />
+          </SortableContext>
+        </DndContext>
     </>
   );
 };

frontend/src/components/TriggerViewer.tsx

@@ -0,0 +1,340 @@
+import React, { useState, useEffect } from 'react';
+import Editor, { loader } from '@monaco-editor/react';
+import { Spin, Alert } from 'antd';
+import { TabData } from '../types';
+import { useStore } from '../store';
+import { DBQuery } from '../../wailsjs/go/app/App';
+
+interface TriggerViewerProps {
+    tab: TabData;
+}
+
+const TriggerViewer: React.FC<TriggerViewerProps> = ({ tab }) => {
+    const [loading, setLoading] = useState(true);
+    const [error, setError] = useState<string | null>(null);
+    const [triggerDefinition, setTriggerDefinition] = useState<string>('');
+
+    const connections = useStore(state => state.connections);
+    const theme = useStore(state => state.theme);
+    const darkMode = theme === 'dark';
+
+    // 初始化透明 Monaco Editor 主题
+    useEffect(() => {
+        loader.init().then(monaco => {
+            monaco.editor.defineTheme('transparent-dark', {
+                base: 'vs-dark',
+                inherit: true,
+                rules: [],
+                colors: {
+                    'editor.background': '#00000000',
+                    'editor.lineHighlightBackground': '#ffffff10',
+                    'editorGutter.background': '#00000000',
+                }
+            });
+            monaco.editor.defineTheme('transparent-light', {
+                base: 'vs',
+                inherit: true,
+                rules: [],
+                colors: {
+                    'editor.background': '#00000000',
+                    'editor.lineHighlightBackground': '#00000010',
+                    'editorGutter.background': '#00000000',
+                }
+            });
+        });
+    }, []);
+
+    const escapeSQLLiteral = (raw: string): string => String(raw || '').replace(/'/g, "''");
+    const quoteSqlServerIdentifier = (raw: string): string => `[${String(raw || '').replace(/]/g, ']]')}]`;
+
+    const getMetadataDialect = (conn: any): string => {
+        const type = String(conn?.config?.type || '').trim().toLowerCase();
+        if (type === 'custom') {
+            const driver = String(conn?.config?.driver || '').trim().toLowerCase();
+            if (driver === 'diros' || driver === 'doris') return 'mysql';
+            return driver;
+        }
+        if (type === 'mariadb' || type === 'diros' || type === 'sphinx') return 'mysql';
+        if (type === 'dameng') return 'dm';
+        return type;
+    };
+
+    const isSphinxConnection = (conn: any): boolean => {
+        const type = String(conn?.config?.type || '').trim().toLowerCase();
+        if (type === 'sphinx') return true;
+        if (type !== 'custom') return false;
+        const driver = String(conn?.config?.driver || '').trim().toLowerCase();
+        return driver === 'sphinx' || driver === 'sphinxql';
+    };
+
+    const buildShowTriggerQueries = (dialect: string, triggerName: string, dbName: string): string[] => {
+        const safeTriggerName = escapeSQLLiteral(triggerName);
+        const safeDbName = escapeSQLLiteral(dbName);
+        switch (dialect) {
+            case 'mysql':
+                return [
+                    `SHOW CREATE TRIGGER \`${triggerName.replace(/`/g, '``')}\``,
+                    safeDbName
+                        ? `SELECT ACTION_STATEMENT AS trigger_definition FROM information_schema.triggers WHERE trigger_schema = '${safeDbName}' AND trigger_name = '${safeTriggerName}' LIMIT 1`
+                        : '',
+                    safeDbName
+                        ? `SHOW TRIGGERS FROM \`${dbName.replace(/`/g, '``')}\` LIKE '${safeTriggerName}'`
+                        : `SHOW TRIGGERS LIKE '${safeTriggerName}'`,
+                ].filter(Boolean);
+            case 'postgres':
+            case 'kingbase':
+            case 'highgo':
+            case 'vastbase':
+                return [`SELECT pg_get_triggerdef(t.oid, true) AS trigger_definition
+FROM pg_trigger t
+JOIN pg_class c ON t.tgrelid = c.oid
+WHERE t.tgname = '${safeTriggerName}'
+  AND NOT t.tgisinternal
+LIMIT 1`];
+            case 'sqlserver': {
+                return [`SELECT OBJECT_DEFINITION(OBJECT_ID('${safeTriggerName.replace(/'/g, "''")}')) AS trigger_definition`];
+            }
+            case 'oracle':
+            case 'dm':
+                if (!safeDbName) {
+                    return [`SELECT TRIGGER_BODY FROM USER_TRIGGERS WHERE TRIGGER_NAME = '${safeTriggerName.toUpperCase()}'`];
+                }
+                return [`SELECT TRIGGER_BODY FROM ALL_TRIGGERS WHERE OWNER = '${safeDbName.toUpperCase()}' AND TRIGGER_NAME = '${safeTriggerName.toUpperCase()}'`];
+            case 'sqlite':
+                return [`SELECT sql FROM sqlite_master WHERE type = 'trigger' AND name = '${safeTriggerName}'`];
+            case 'duckdb':
+                return [`-- DuckDB 不支持触发器`];
+            case 'tdengine':
+                return [`-- TDengine 不支持触发器`];
+            case 'mongodb':
+                return [`-- MongoDB 不支持触发器`];
+            default:
+                return [`-- 暂不支持该数据库类型的触发器定义查看`];
+        }
+    };
+
+    const runQueryCandidates = async (
+        config: Record<string, any>,
+        dbName: string,
+        queries: string[]
+    ): Promise<{ success: boolean; data: any[]; message?: string }> => {
+        let lastMessage = '';
+        let hasSuccessfulQuery = false;
+        for (const query of queries) {
+            const sql = String(query || '').trim();
+            if (!sql) continue;
+            try {
+                const result = await DBQuery(config as any, dbName, sql);
+                if (!result.success || !Array.isArray(result.data)) {
+                    lastMessage = result.message || lastMessage;
+                    continue;
+                }
+                hasSuccessfulQuery = true;
+                if (result.data.length > 0) {
+                    return { success: true, data: result.data };
+                }
+            } catch (error: any) {
+                lastMessage = error?.message || String(error);
+            }
+        }
+        if (hasSuccessfulQuery) {
+            return { success: true, data: [] };
+        }
+        return { success: false, data: [], message: lastMessage };
+    };
+
+    const getVersionHint = async (config: Record<string, any>, dbName: string): Promise<string> => {
+        const candidates = [
+            `SELECT VERSION() AS version`,
+            `SHOW VARIABLES LIKE 'version'`,
+        ];
+        for (const query of candidates) {
+            try {
+                const result = await DBQuery(config as any, dbName, query);
+                if (!result.success || !Array.isArray(result.data) || result.data.length === 0) {
+                    continue;
+                }
+                const row = result.data[0] as Record<string, any>;
+                const version =
+                    row.version
+                    || row.VERSION
+                    || row.Value
+                    || row.value
+                    || Object.values(row)[1]
+                    || Object.values(row)[0];
+                const text = String(version || '').trim();
+                if (text) return text;
+            } catch {
+                // ignore
+            }
+        }
+        return '';
+    };
+
+    const extractTriggerDefinition = (dialect: string, data: any[]): string => {
+        if (!data || data.length === 0) {
+            return '-- 未找到触发器定义';
+        }
+
+        const row = data[0];
+
+        switch (dialect) {
+            case 'mysql': {
+                // MySQL SHOW CREATE TRIGGER returns: Trigger, sql_mode, SQL Original Statement, ...
+                const keys = Object.keys(row);
+                if (row.trigger_definition || row.TRIGGER_DEFINITION) {
+                    return String(row.trigger_definition || row.TRIGGER_DEFINITION);
+                }
+                if (row.ACTION_STATEMENT || row.action_statement) {
+                    return String(row.ACTION_STATEMENT || row.action_statement);
+                }
+                const sqlKey = keys.find(k => k.toLowerCase().includes('statement') || k.toLowerCase() === 'sql original statement');
+                if (sqlKey) return row[sqlKey];
+                // Fallback: try to find any key containing CREATE TRIGGER
+                for (const key of keys) {
+                    const val = String(row[key] || '');
+                    if (val.toUpperCase().includes('CREATE TRIGGER')) {
+                        return val;
+                    }
+                }
+                return JSON.stringify(row, null, 2);
+            }
+            case 'postgres':
+            case 'kingbase':
+            case 'highgo':
+            case 'vastbase': {
+                return row.trigger_definition || row.TRIGGER_DEFINITION || Object.values(row)[0] || '';
+            }
+            case 'sqlserver': {
+                return row.trigger_definition || row.TRIGGER_DEFINITION || Object.values(row)[0] || '';
+            }
+            case 'oracle':
+            case 'dm': {
+                return row.trigger_body || row.TRIGGER_BODY || Object.values(row)[0] || '';
+            }
+            case 'sqlite': {
+                return row.sql || row.SQL || Object.values(row)[0] || '';
+            }
+            default:
+                return JSON.stringify(row, null, 2);
+        }
+    };
+
+    useEffect(() => {
+        const loadTriggerDefinition = async () => {
+            setLoading(true);
+            setError(null);
+
+            const conn = connections.find(c => c.id === tab.connectionId);
+            if (!conn) {
+                setError('未找到数据库连接');
+                setLoading(false);
+                return;
+            }
+
+            const triggerName = tab.triggerName || '';
+            const dbName = tab.dbName || '';
+
+            if (!triggerName) {
+                setError('触发器名称为空');
+                setLoading(false);
+                return;
+            }
+
+            const dialect = getMetadataDialect(conn);
+            const queries = buildShowTriggerQueries(dialect, triggerName, dbName);
+            const sphinxLike = isSphinxConnection(conn) && dialect === 'mysql';
+
+            if (!queries.length || String(queries[0] || '').startsWith('--')) {
+                setTriggerDefinition(String(queries[0] || '-- 暂不支持该数据库类型的触发器定义查看'));
+                setLoading(false);
+                return;
+            }
+
+            try {
+                const config = {
+                    ...conn.config,
+                    port: Number(conn.config.port),
+                    password: conn.config.password || '',
+                    database: conn.config.database || '',
+                    useSSH: conn.config.useSSH || false,
+                    ssh: conn.config.ssh || { host: '', port: 22, user: '', password: '', keyPath: '' }
+                };
+
+                const result = await runQueryCandidates(config, dbName, queries);
+
+                if (result.success && Array.isArray(result.data) && result.data.length > 0) {
+                    const definition = extractTriggerDefinition(dialect, result.data);
+                    setTriggerDefinition(definition);
+                    return;
+                }
+
+                if (result.success) {
+                    if (sphinxLike) {
+                        const version = await getVersionHint(config, dbName);
+                        const versionText = version ? `（版本: ${version}）` : '';
+                        setTriggerDefinition(`-- 当前 Sphinx 实例${versionText}未返回触发器定义。\n-- 已执行多套兼容查询，可能是版本能力限制或对象类型不支持。`);
+                        return;
+                    }
+                    setTriggerDefinition('-- 未找到触发器定义');
+                } else if (sphinxLike) {
+                    const version = await getVersionHint(config, dbName);
+                    const versionText = version ? `（版本: ${version}）` : '';
+                    setTriggerDefinition(`-- 当前 Sphinx 实例${versionText}不支持触发器定义查询。\n-- 已自动尝试兼容语句，返回失败信息: ${result.message || 'unknown error'}`);
+                } else {
+                    setError(result.message || '查询触发器定义失败');
+                }
+            } catch (e: any) {
+                setError('查询触发器定义失败: ' + (e?.message || String(e)));
+            } finally {
+                setLoading(false);
+            }
+        };
+
+        loadTriggerDefinition();
+    }, [tab.connectionId, tab.dbName, tab.triggerName, connections]);
+
+    if (loading) {
+        return (
+            <div style={{ display: 'flex', justifyContent: 'center', alignItems: 'center', height: '100%' }}>
+                <Spin tip="加载触发器定义..." />
+            </div>
+        );
+    }
+
+    if (error) {
+        return (
+            <div style={{ padding: 16 }}>
+                <Alert type="error" message="加载失败" description={error} showIcon />
+            </div>
+        );
+    }
+
+    return (
+        <div style={{ display: 'flex', flexDirection: 'column', height: '100%' }}>
+            <div style={{ padding: '8px 16px', borderBottom: darkMode ? '1px solid #303030' : '1px solid #f0f0f0' }}>
+                <strong>触发器: </strong>{tab.triggerName}
+                {tab.dbName && <span style={{ marginLeft: 16, color: '#888' }}>数据库: {tab.dbName}</span>}
+            </div>
+            <div style={{ flex: 1, minHeight: 0 }}>
+                <Editor
+                    height="100%"
+                    language="sql"
+                    theme={darkMode ? 'transparent-dark' : 'transparent-light'}
+                    value={triggerDefinition}
+                    options={{
+                        readOnly: true,
+                        minimap: { enabled: false },
+                        fontSize: 14,
+                        lineNumbers: 'on',
+                        scrollBeyondLastLine: false,
+                        wordWrap: 'on',
+                        automaticLayout: true,
+                    }}
+                />
+            </div>
+        </div>
+    );
+};
+
+export default TriggerViewer;

frontend/src/global.d.ts

@@ -2,6 +2,13 @@ export {};
 
 declare global {
   interface Window {
+    go: any;
+    runtime: {
+        WindowMinimise: () => void;
+        WindowToggleMaximise: () => void;
+        Quit: () => void;
+        BrowserOpenURL: (url: string) => void;
+    };
     ipcRenderer: {
       send: (channel: string, ...args: any[]) => void;
       on: (channel: string, listener: (event: any, ...args: any[]) => void) => void;

frontend/src/main.tsx

@@ -3,6 +3,22 @@ import ReactDOM from 'react-dom/client'
 import App from './App'
 // import './index.css' // Optional global styles
 
+// 全局配置 Monaco Editor 使用本地打包的文件，避免从 CDN (jsdelivr) 加载。
+// Windows WebView2 环境下访问外部 CDN 可能失败，导致编辑器一直显示 Loading。
+import { loader } from '@monaco-editor/react'
+import * as monaco from 'monaco-editor'
+loader.config({ monaco })
+
+// 全局注册透明主题，避免每个 Editor 组件 beforeMount 中重复定义
+monaco.editor.defineTheme('transparent-dark', {
+  base: 'vs-dark', inherit: true, rules: [],
+  colors: { 'editor.background': '#00000000', 'editor.lineHighlightBackground': '#ffffff10', 'editorGutter.background': '#00000000' }
+})
+monaco.editor.defineTheme('transparent-light', {
+  base: 'vs', inherit: true, rules: [],
+  colors: { 'editor.background': '#00000000', 'editor.lineHighlightBackground': '#00000010', 'editorGutter.background': '#00000000' }
+})
+
 ReactDOM.createRoot(document.getElementById('root')!).render(
   <React.StrictMode>
     <App />

frontend/src/store.ts

@@ -1,6 +1,366 @@
 import { create } from 'zustand';
 import { persist } from 'zustand/middleware';
-import { SavedConnection, TabData, SavedQuery } from './types';
+import { ConnectionConfig, ProxyConfig, SavedConnection, TabData, SavedQuery, ConnectionTag } from './types';
+import {
+  ShortcutAction,
+  ShortcutBinding,
+  ShortcutOptions,
+  DEFAULT_SHORTCUT_OPTIONS,
+  cloneShortcutOptions,
+  sanitizeShortcutOptions,
+} from './utils/shortcuts';
+
+const DEFAULT_APPEARANCE = { opacity: 1.0, blur: 0 };
+const DEFAULT_UI_SCALE = 1.0;
+const MIN_UI_SCALE = 0.8;
+const MAX_UI_SCALE = 1.25;
+const DEFAULT_FONT_SIZE = 14;
+const MIN_FONT_SIZE = 12;
+const MAX_FONT_SIZE = 20;
+const DEFAULT_STARTUP_FULLSCREEN = false;
+const LEGACY_DEFAULT_OPACITY = 0.95;
+const OPACITY_EPSILON = 1e-6;
+const MAX_URI_LENGTH = 4096;
+const MAX_HOST_ENTRY_LENGTH = 512;
+const MAX_HOST_ENTRIES = 64;
+const DEFAULT_TIMEOUT_SECONDS = 30;
+const MAX_TIMEOUT_SECONDS = 3600;
+const PERSIST_VERSION = 5;
+const DEFAULT_CONNECTION_TYPE = 'mysql';
+const DEFAULT_GLOBAL_PROXY: GlobalProxyConfig = {
+  enabled: false,
+  type: 'socks5',
+  host: '',
+  port: 1080,
+  user: '',
+  password: '',
+};
+const SUPPORTED_CONNECTION_TYPES = new Set([
+  'mysql',
+  'mariadb',
+  'doris',
+  'diros',
+  'sphinx',
+  'clickhouse',
+  'postgres',
+  'redis',
+  'tdengine',
+  'oracle',
+  'dameng',
+  'kingbase',
+  'sqlserver',
+  'mongodb',
+  'highgo',
+  'vastbase',
+  'sqlite',
+  'duckdb',
+  'custom',
+]);
+const SSL_SUPPORTED_CONNECTION_TYPES = new Set([
+  'mysql',
+  'mariadb',
+  'diros',
+  'sphinx',
+  'dameng',
+  'clickhouse',
+  'postgres',
+  'sqlserver',
+  'oracle',
+  'kingbase',
+  'highgo',
+  'vastbase',
+  'mongodb',
+  'redis',
+  'tdengine',
+]);
+
+const getDefaultPortByType = (type: string): number => {
+  switch (type) {
+    case 'mysql':
+    case 'mariadb':
+      return 3306;
+    case 'doris':
+    case 'diros':
+      return 9030;
+    case 'duckdb':
+      return 0;
+    case 'sphinx':
+      return 9306;
+    case 'clickhouse':
+      return 9000;
+    case 'postgres':
+    case 'vastbase':
+      return 5432;
+    case 'redis':
+      return 6379;
+    case 'tdengine':
+      return 6041;
+    case 'oracle':
+      return 1521;
+    case 'dameng':
+      return 5236;
+    case 'kingbase':
+      return 54321;
+    case 'sqlserver':
+      return 1433;
+    case 'mongodb':
+      return 27017;
+    case 'highgo':
+      return 5866;
+    default:
+      return 3306;
+  }
+};
+
+const toTrimmedString = (value: unknown, fallback = ''): string => {
+  if (typeof value === 'string') {
+    return value.trim();
+  }
+  if (typeof value === 'number' || typeof value === 'boolean') {
+    return String(value).trim();
+  }
+  return fallback;
+};
+
+const normalizePort = (value: unknown, fallbackPort: number): number => {
+  const parsed = Number(value);
+  if (!Number.isFinite(parsed)) return fallbackPort;
+  const port = Math.trunc(parsed);
+  if (port <= 0 || port > 65535) return fallbackPort;
+  return port;
+};
+
+const normalizeIntegerInRange = (value: unknown, fallbackValue: number, min: number, max: number): number => {
+  const parsed = Number(value);
+  if (!Number.isFinite(parsed)) return fallbackValue;
+  const normalized = Math.trunc(parsed);
+  if (normalized < min || normalized > max) return fallbackValue;
+  return normalized;
+};
+
+const normalizeFloatInRange = (value: unknown, fallbackValue: number, min: number, max: number): number => {
+  const parsed = Number(value);
+  if (!Number.isFinite(parsed)) return fallbackValue;
+  if (parsed < min || parsed > max) return fallbackValue;
+  return parsed;
+};
+
+const isValidHostEntry = (entry: string): boolean => {
+  if (!entry) return false;
+  if (entry.length > MAX_HOST_ENTRY_LENGTH) return false;
+  if (/[()\\/\s]/.test(entry)) return false;
+  return true;
+};
+
+const sanitizeStringArray = (value: unknown, maxLength = 256): string[] => {
+  if (!Array.isArray(value)) return [];
+  const seen = new Set<string>();
+  const result: string[] = [];
+  value.forEach((entry) => {
+    const normalized = toTrimmedString(entry);
+    if (!normalized || normalized.length > maxLength) return;
+    if (seen.has(normalized)) return;
+    seen.add(normalized);
+    result.push(normalized);
+  });
+  return result;
+};
+
+const sanitizeNumberArray = (value: unknown, min: number, max: number): number[] => {
+  if (!Array.isArray(value)) return [];
+  const seen = new Set<number>();
+  const result: number[] = [];
+  value.forEach((entry) => {
+    const parsed = Number(entry);
+    if (!Number.isFinite(parsed)) return;
+    const num = Math.trunc(parsed);
+    if (num < min || num > max) return;
+    if (seen.has(num)) return;
+    seen.add(num);
+    result.push(num);
+  });
+  return result;
+};
+
+const sanitizeAddressList = (value: unknown): string[] => {
+  const all = sanitizeStringArray(value, MAX_HOST_ENTRY_LENGTH)
+    .filter((entry) => isValidHostEntry(entry));
+  return all.slice(0, MAX_HOST_ENTRIES);
+};
+
+const normalizeConnectionType = (value: unknown): string => {
+  const type = toTrimmedString(value).toLowerCase();
+  if (type === 'doris') {
+    return 'diros';
+  }
+  return SUPPORTED_CONNECTION_TYPES.has(type) ? type : DEFAULT_CONNECTION_TYPE;
+};
+
+const sanitizeConnectionConfig = (value: unknown): ConnectionConfig => {
+  const raw = (value && typeof value === 'object') ? value as Record<string, unknown> : {};
+  const type = normalizeConnectionType(raw.type);
+  const defaultPort = getDefaultPortByType(type);
+  const savePassword = typeof raw.savePassword === 'boolean' ? raw.savePassword : true;
+  const mongoSrv = !!raw.mongoSrv;
+  const sslCapable = SSL_SUPPORTED_CONNECTION_TYPES.has(type);
+  const sslModeRaw = toTrimmedString(raw.sslMode, 'preferred').toLowerCase();
+  const sslMode: 'preferred' | 'required' | 'skip-verify' | 'disable' =
+    sslModeRaw === 'required'
+      ? 'required'
+      : sslModeRaw === 'skip-verify'
+        ? 'skip-verify'
+        : sslModeRaw === 'disable'
+          ? 'disable'
+          : 'preferred';
+
+  const sshRaw = (raw.ssh && typeof raw.ssh === 'object') ? raw.ssh as Record<string, unknown> : {};
+  const ssh = {
+    host: toTrimmedString(sshRaw.host),
+    port: normalizePort(sshRaw.port, 22),
+    user: toTrimmedString(sshRaw.user),
+    password: toTrimmedString(sshRaw.password),
+    keyPath: toTrimmedString(sshRaw.keyPath),
+  };
+  const proxyRaw = (raw.proxy && typeof raw.proxy === 'object') ? raw.proxy as Record<string, unknown> : {};
+  const proxyTypeRaw = toTrimmedString(proxyRaw.type, 'socks5').toLowerCase();
+  const proxyType: 'socks5' | 'http' = proxyTypeRaw === 'http' ? 'http' : 'socks5';
+  const proxy = {
+    type: proxyType,
+    host: toTrimmedString(proxyRaw.host),
+    port: normalizePort(proxyRaw.port, proxyTypeRaw === 'http' ? 8080 : 1080),
+    user: toTrimmedString(proxyRaw.user),
+    password: toTrimmedString(proxyRaw.password),
+  };
+
+  const safeConfig: ConnectionConfig & Record<string, unknown> = {
+    ...raw,
+    type,
+    host: toTrimmedString(raw.host, 'localhost') || 'localhost',
+    port: normalizePort(raw.port, defaultPort),
+    user: toTrimmedString(raw.user),
+    password: savePassword ? toTrimmedString(raw.password) : '',
+    savePassword,
+    database: toTrimmedString(raw.database),
+    useSSL: sslCapable ? !!raw.useSSL : false,
+    sslMode: sslCapable ? sslMode : 'disable',
+    sslCertPath: sslCapable ? toTrimmedString(raw.sslCertPath) : '',
+    sslKeyPath: sslCapable ? toTrimmedString(raw.sslKeyPath) : '',
+    useSSH: !!raw.useSSH,
+    ssh,
+    useProxy: !!raw.useProxy,
+    proxy,
+    uri: toTrimmedString(raw.uri).slice(0, MAX_URI_LENGTH),
+    hosts: sanitizeAddressList(raw.hosts),
+    topology: raw.topology === 'replica' ? 'replica' : (raw.topology === 'cluster' ? 'cluster' : 'single'),
+    mysqlReplicaUser: toTrimmedString(raw.mysqlReplicaUser),
+    mysqlReplicaPassword: savePassword ? toTrimmedString(raw.mysqlReplicaPassword) : '',
+    replicaSet: toTrimmedString(raw.replicaSet),
+    authSource: toTrimmedString(raw.authSource),
+    readPreference: toTrimmedString(raw.readPreference),
+    mongoSrv,
+    mongoAuthMechanism: toTrimmedString(raw.mongoAuthMechanism),
+    mongoReplicaUser: toTrimmedString(raw.mongoReplicaUser),
+    mongoReplicaPassword: savePassword ? toTrimmedString(raw.mongoReplicaPassword) : '',
+    timeout: normalizeIntegerInRange(raw.timeout, DEFAULT_TIMEOUT_SECONDS, 1, MAX_TIMEOUT_SECONDS),
+  };
+
+  if (type === 'redis') {
+    safeConfig.redisDB = normalizeIntegerInRange(raw.redisDB, 0, 0, 15);
+  }
+
+  if (type === 'custom') {
+    safeConfig.driver = toTrimmedString(raw.driver);
+    safeConfig.dsn = toTrimmedString(raw.dsn).slice(0, MAX_URI_LENGTH);
+  }
+
+  return safeConfig;
+};
+
+const resolveConnectionConfigPayload = (raw: Record<string, unknown>): unknown => {
+  if (raw.config && typeof raw.config === 'object') {
+    return raw.config;
+  }
+  // 兼容历史/导入场景：连接对象可能是扁平结构（无 config 包装）。
+  const hasLegacyFlatConfig =
+    raw.type !== undefined ||
+    raw.host !== undefined ||
+    raw.port !== undefined ||
+    raw.user !== undefined ||
+    raw.database !== undefined;
+  if (hasLegacyFlatConfig) {
+    return raw;
+  }
+  return undefined;
+};
+
+const sanitizeSavedConnection = (value: unknown, index: number): SavedConnection | null => {
+  if (!value || typeof value !== 'object') return null;
+  const raw = value as Record<string, unknown>;
+  const config = sanitizeConnectionConfig(resolveConnectionConfigPayload(raw));
+  const id = toTrimmedString(raw.id, `conn-${index + 1}`) || `conn-${index + 1}`;
+  const displayType = config.type === 'diros' ? 'doris' : config.type;
+  const fallbackName = config.host ? `${displayType}-${config.host}` : `连接-${index + 1}`;
+  const name = toTrimmedString(raw.name, fallbackName) || fallbackName;
+  const includeDatabases = sanitizeStringArray(raw.includeDatabases, 256);
+  const includeRedisDatabases = sanitizeNumberArray(raw.includeRedisDatabases, 0, 15);
+
+  return {
+    id,
+    name,
+    config,
+    includeDatabases: includeDatabases.length > 0 ? includeDatabases : undefined,
+    includeRedisDatabases: includeRedisDatabases.length > 0 ? includeRedisDatabases : undefined,
+  };
+};
+
+const sanitizeConnections = (value: unknown): SavedConnection[] => {
+  if (!Array.isArray(value)) return [];
+  const result: SavedConnection[] = [];
+  const idSet = new Set<string>();
+
+  value.forEach((entry, index) => {
+    const conn = sanitizeSavedConnection(entry, index);
+    if (!conn) return;
+    let nextId = conn.id;
+    if (idSet.has(nextId)) {
+      nextId = `${nextId}-${index + 1}`;
+    }
+    idSet.add(nextId);
+    result.push({ ...conn, id: nextId });
+  });
+
+  return result;
+};
+
+const sanitizeConnectionTags = (value: unknown): ConnectionTag[] => {
+  if (!Array.isArray(value)) return [];
+  const result: ConnectionTag[] = [];
+  const idSet = new Set<string>();
+
+  value.forEach((entry, index) => {
+    if (!entry || typeof entry !== 'object') return;
+    const raw = entry as Record<string, unknown>;
+    const id = toTrimmedString(raw.id, `tag-${index + 1}`) || `tag-${index + 1}`;
+    if (idSet.has(id)) return;
+    idSet.add(id);
+    
+    const name = toTrimmedString(raw.name, `标签-${index + 1}`) || `标签-${index + 1}`;
+    const connectionIds = sanitizeStringArray(raw.connectionIds, 256);
+    
+    result.push({ id, name, connectionIds });
+  });
+
+  return result;
+};
+
+const isLegacyDefaultAppearance = (appearance: Partial<{ opacity: number; blur: number }> | undefined): boolean => {
+  if (!appearance) {
+    return true;
+  }
+  const opacity = typeof appearance.opacity === 'number' ? appearance.opacity : LEGACY_DEFAULT_OPACITY;
+  const blur = typeof appearance.blur === 'number' ? appearance.blur : 0;
+  return Math.abs(opacity - LEGACY_DEFAULT_OPACITY) < OPACITY_EPSILON && blur === 0;
+};
 
 export interface SqlLog {
   id: string;
@@ -13,52 +373,261 @@ export interface SqlLog {
   affectedRows?: number;
 }
 
+export interface QueryOptions {
+  maxRows: number;
+  showColumnComment: boolean;
+  showColumnType: boolean;
+}
+
+export interface GlobalProxyConfig extends ProxyConfig {
+  enabled: boolean;
+}
+
 interface AppState {
   connections: SavedConnection[];
+  connectionTags: ConnectionTag[];
   tabs: TabData[];
   activeTabId: string | null;
   activeContext: { connectionId: string; dbName: string } | null;
   savedQueries: SavedQuery[];
-  darkMode: boolean;
+  theme: 'light' | 'dark';
+  appearance: { opacity: number; blur: number };
+  uiScale: number;
+  fontSize: number;
+  startupFullscreen: boolean;
+  globalProxy: GlobalProxyConfig;
   sqlFormatOptions: { keywordCase: 'upper' | 'lower' };
+  queryOptions: QueryOptions;
+  shortcutOptions: ShortcutOptions;
   sqlLogs: SqlLog[];
-  
+  tableAccessCount: Record<string, number>;
+  tableSortPreference: Record<string, 'name' | 'frequency'>;
+
   addConnection: (conn: SavedConnection) => void;
   updateConnection: (conn: SavedConnection) => void;
   removeConnection: (id: string) => void;
-  
+
+  addConnectionTag: (tag: ConnectionTag) => void;
+  updateConnectionTag: (tag: ConnectionTag) => void;
+  removeConnectionTag: (id: string) => void;
+  moveConnectionToTag: (connectionId: string, targetTagId: string | null) => void;
+  reorderTags: (tagIds: string[]) => void;
+
   addTab: (tab: TabData) => void;
   closeTab: (id: string) => void;
+  closeOtherTabs: (id: string) => void;
+  closeTabsToLeft: (id: string) => void;
+  closeTabsToRight: (id: string) => void;
+  closeTabsByConnection: (connectionId: string) => void;
+  closeTabsByDatabase: (connectionId: string, dbName: string) => void;
+  moveTab: (sourceId: string, targetId: string) => void;
+  closeAllTabs: () => void;
   setActiveTab: (id: string) => void;
   setActiveContext: (context: { connectionId: string; dbName: string } | null) => void;
 
   saveQuery: (query: SavedQuery) => void;
   deleteQuery: (id: string) => void;
 
-  toggleDarkMode: () => void;
+  setTheme: (theme: 'light' | 'dark') => void;
+  setAppearance: (appearance: Partial<{ opacity: number; blur: number }>) => void;
+  setUiScale: (scale: number) => void;
+  setFontSize: (size: number) => void;
+  setStartupFullscreen: (enabled: boolean) => void;
+  setGlobalProxy: (proxy: Partial<GlobalProxyConfig>) => void;
   setSqlFormatOptions: (options: { keywordCase: 'upper' | 'lower' }) => void;
-  
+  setQueryOptions: (options: Partial<QueryOptions>) => void;
+  updateShortcut: (action: ShortcutAction, binding: Partial<ShortcutBinding>) => void;
+  resetShortcutOptions: () => void;
+
   addSqlLog: (log: SqlLog) => void;
   clearSqlLogs: () => void;
+
+  recordTableAccess: (connectionId: string, dbName: string, tableName: string) => void;
+  setTableSortPreference: (connectionId: string, dbName: string, sortBy: 'name' | 'frequency') => void;
 }
 
+const sanitizeSavedQueries = (value: unknown): SavedQuery[] => {
+  if (!Array.isArray(value)) return [];
+  const result: SavedQuery[] = [];
+  value.forEach((entry, index) => {
+    if (!entry || typeof entry !== 'object') return;
+    const raw = entry as Record<string, unknown>;
+    const id = toTrimmedString(raw.id, `query-${index + 1}`) || `query-${index + 1}`;
+    const sql = toTrimmedString(raw.sql);
+    const connectionId = toTrimmedString(raw.connectionId);
+    const dbName = toTrimmedString(raw.dbName);
+    if (!sql || !connectionId || !dbName) return;
+    result.push({
+      id,
+      name: toTrimmedString(raw.name, `查询-${index + 1}`) || `查询-${index + 1}`,
+      sql,
+      connectionId,
+      dbName,
+      createdAt: Number.isFinite(Number(raw.createdAt)) ? Number(raw.createdAt) : Date.now(),
+    });
+  });
+  return result;
+};
+
+const sanitizeTheme = (value: unknown): 'light' | 'dark' => (value === 'dark' ? 'dark' : 'light');
+
+const sanitizeSqlFormatOptions = (value: unknown): { keywordCase: 'upper' | 'lower' } => {
+  const raw = (value && typeof value === 'object') ? value as Record<string, unknown> : {};
+  return { keywordCase: raw.keywordCase === 'lower' ? 'lower' : 'upper' };
+};
+
+const sanitizeQueryOptions = (value: unknown): QueryOptions => {
+  const raw = (value && typeof value === 'object') ? value as Record<string, unknown> : {};
+  const maxRows = Number(raw.maxRows);
+  const showColumnComment = typeof raw.showColumnComment === 'boolean' ? raw.showColumnComment : true;
+  const showColumnType = typeof raw.showColumnType === 'boolean' ? raw.showColumnType : true;
+  if (!Number.isFinite(maxRows) || maxRows <= 0) {
+    return { maxRows: 5000, showColumnComment, showColumnType };
+  }
+  return { maxRows: Math.min(50000, Math.trunc(maxRows)), showColumnComment, showColumnType };
+};
+
+const sanitizeTableAccessCount = (value: unknown): Record<string, number> => {
+  const raw = (value && typeof value === 'object') ? value as Record<string, unknown> : {};
+  const result: Record<string, number> = {};
+  Object.entries(raw).forEach(([key, count]) => {
+    const parsed = Number(count);
+    if (!Number.isFinite(parsed) || parsed < 0) return;
+    result[key] = Math.trunc(parsed);
+  });
+  return result;
+};
+
+const sanitizeTableSortPreference = (value: unknown): Record<string, 'name' | 'frequency'> => {
+  const raw = (value && typeof value === 'object') ? value as Record<string, unknown> : {};
+  const result: Record<string, 'name' | 'frequency'> = {};
+  Object.entries(raw).forEach(([key, preference]) => {
+    result[key] = preference === 'frequency' ? 'frequency' : 'name';
+  });
+  return result;
+};
+
+const sanitizeAppearance = (
+  appearance: Partial<{ opacity: number; blur: number }> | undefined,
+  version: number
+): { opacity: number; blur: number } => {
+  if (!appearance || typeof appearance !== 'object') {
+    return { ...DEFAULT_APPEARANCE };
+  }
+  const nextAppearance = {
+    opacity: typeof appearance.opacity === 'number' ? appearance.opacity : DEFAULT_APPEARANCE.opacity,
+    blur: typeof appearance.blur === 'number' ? appearance.blur : DEFAULT_APPEARANCE.blur,
+  };
+  if (version < 2 && isLegacyDefaultAppearance(appearance)) {
+    return { ...DEFAULT_APPEARANCE };
+  }
+  return nextAppearance;
+};
+
+const sanitizeStartupFullscreen = (value: unknown): boolean => {
+  return value === true;
+};
+
+const sanitizeUiScale = (value: unknown): number => {
+  return normalizeFloatInRange(value, DEFAULT_UI_SCALE, MIN_UI_SCALE, MAX_UI_SCALE);
+};
+
+const sanitizeFontSize = (value: unknown): number => {
+  return normalizeIntegerInRange(value, DEFAULT_FONT_SIZE, MIN_FONT_SIZE, MAX_FONT_SIZE);
+};
+
+const sanitizeGlobalProxy = (value: unknown): GlobalProxyConfig => {
+  const raw = (value && typeof value === 'object') ? value as Record<string, unknown> : {};
+  const typeRaw = toTrimmedString(raw.type, DEFAULT_GLOBAL_PROXY.type).toLowerCase();
+  const type: 'socks5' | 'http' = typeRaw === 'http' ? 'http' : 'socks5';
+  const fallbackPort = type === 'http' ? 8080 : 1080;
+  return {
+    enabled: raw.enabled === true,
+    type,
+    host: toTrimmedString(raw.host),
+    port: normalizePort(raw.port, fallbackPort),
+    user: toTrimmedString(raw.user),
+    password: toTrimmedString(raw.password),
+  };
+};
+
+const unwrapPersistedAppState = (persistedState: unknown): Record<string, unknown> => {
+  if (!persistedState || typeof persistedState !== 'object') {
+    return {};
+  }
+  const raw = persistedState as Record<string, unknown>;
+  if (raw.state && typeof raw.state === 'object') {
+    return raw.state as Record<string, unknown>;
+  }
+  return raw;
+};
+
 export const useStore = create<AppState>()(
   persist(
     (set) => ({
       connections: [],
+      connectionTags: [],
       tabs: [],
       activeTabId: null,
       activeContext: null,
       savedQueries: [],
-      darkMode: false,
+      theme: 'light',
+      appearance: { ...DEFAULT_APPEARANCE },
+      uiScale: DEFAULT_UI_SCALE,
+      fontSize: DEFAULT_FONT_SIZE,
+      startupFullscreen: DEFAULT_STARTUP_FULLSCREEN,
+      globalProxy: { ...DEFAULT_GLOBAL_PROXY },
       sqlFormatOptions: { keywordCase: 'upper' },
+      queryOptions: { maxRows: 5000, showColumnComment: true, showColumnType: true },
+      shortcutOptions: cloneShortcutOptions(DEFAULT_SHORTCUT_OPTIONS),
       sqlLogs: [],
+      tableAccessCount: {},
+      tableSortPreference: {},
 
       addConnection: (conn) => set((state) => ({ connections: [...state.connections, conn] })),
-      updateConnection: (conn) => set((state) => ({ 
-          connections: state.connections.map(c => c.id === conn.id ? conn : c) 
+      updateConnection: (conn) => set((state) => ({
+          connections: state.connections.map(c => c.id === conn.id ? conn : c)
       })),
-      removeConnection: (id) => set((state) => ({ connections: state.connections.filter(c => c.id !== id) })),
+      removeConnection: (id) => set((state) => ({ 
+          connections: state.connections.filter(c => c.id !== id),
+          connectionTags: state.connectionTags.map(tag => ({
+            ...tag,
+            connectionIds: tag.connectionIds.filter(cid => cid !== id)
+          }))
+      })),
+
+      addConnectionTag: (tag) => set((state) => ({ connectionTags: [...state.connectionTags, tag] })),
+      updateConnectionTag: (tag) => set((state) => ({
+          connectionTags: state.connectionTags.map(t => t.id === tag.id ? tag : t)
+      })),
+      removeConnectionTag: (id) => set((state) => ({ 
+          connectionTags: state.connectionTags.filter(t => t.id !== id) 
+      })),
+      moveConnectionToTag: (connectionId, targetTagId) => set((state) => {
+          const newTags = state.connectionTags.map(tag => {
+              //先从所有tag中移除该connection
+              const filteredIds = tag.connectionIds.filter(id => id !== connectionId);
+              if (tag.id === targetTagId) {
+                  return { ...tag, connectionIds: [...filteredIds, connectionId] };
+              }
+              return { ...tag, connectionIds: filteredIds };
+          });
+          return { connectionTags: newTags };
+      }),
+      reorderTags: (tagIds) => set((state) => {
+          const tagMap = new Map(state.connectionTags.map(t => [t.id, t]));
+          const newTags: ConnectionTag[] = [];
+          tagIds.forEach(id => {
+              const tag = tagMap.get(id);
+              if (tag) {
+                  newTags.push(tag);
+                  tagMap.delete(id);
+              }
+          });
+          // 追加未指定的tag（如果有的话）
+          newTags.push(...Array.from(tagMap.values()));
+          return { connectionTags: newTags };
+      }),
 
       addTab: (tab) => set((state) => {
         const index = state.tabs.findIndex(t => t.id === tab.id);
@@ -79,6 +648,86 @@ export const useStore = create<AppState>()(
         }
         return { tabs: newTabs, activeTabId: newActiveId };
       }),
+
+      closeOtherTabs: (id) => set((state) => {
+        const keep = state.tabs.find(t => t.id === id);
+        if (!keep) return state;
+        return { tabs: [keep], activeTabId: id };
+      }),
+
+      closeTabsToLeft: (id) => set((state) => {
+        const index = state.tabs.findIndex(t => t.id === id);
+        if (index === -1) return state;
+        const newTabs = state.tabs.slice(index);
+        const activeStillExists = state.activeTabId ? newTabs.some(t => t.id === state.activeTabId) : false;
+        return { tabs: newTabs, activeTabId: activeStillExists ? state.activeTabId : id };
+      }),
+
+      closeTabsToRight: (id) => set((state) => {
+        const index = state.tabs.findIndex(t => t.id === id);
+        if (index === -1) return state;
+        const newTabs = state.tabs.slice(0, index + 1);
+        const activeStillExists = state.activeTabId ? newTabs.some(t => t.id === state.activeTabId) : false;
+        return { tabs: newTabs, activeTabId: activeStillExists ? state.activeTabId : id };
+      }),
+
+      closeTabsByConnection: (connectionId) => set((state) => {
+        const targetConnectionId = String(connectionId || '').trim();
+        if (!targetConnectionId) return state;
+        const newTabs = state.tabs.filter(t => String(t.connectionId || '').trim() !== targetConnectionId);
+        const activeStillExists = state.activeTabId ? newTabs.some(t => t.id === state.activeTabId) : false;
+        const nextActiveTabId = activeStillExists
+          ? state.activeTabId
+          : (newTabs.length > 0 ? newTabs[newTabs.length - 1].id : null);
+        const nextActiveContext = state.activeContext?.connectionId === targetConnectionId ? null : state.activeContext;
+        return {
+          tabs: newTabs,
+          activeTabId: nextActiveTabId,
+          activeContext: nextActiveContext,
+        };
+      }),
+
+      closeTabsByDatabase: (connectionId, dbName) => set((state) => {
+        const targetConnectionId = String(connectionId || '').trim();
+        const targetDbName = String(dbName || '').trim();
+        if (!targetConnectionId || !targetDbName) return state;
+        const newTabs = state.tabs.filter((tab) => {
+          const sameConnection = String(tab.connectionId || '').trim() === targetConnectionId;
+          const sameDb = String(tab.dbName || '').trim() === targetDbName;
+          return !(sameConnection && sameDb);
+        });
+        const activeStillExists = state.activeTabId ? newTabs.some(t => t.id === state.activeTabId) : false;
+        const nextActiveTabId = activeStillExists
+          ? state.activeTabId
+          : (newTabs.length > 0 ? newTabs[newTabs.length - 1].id : null);
+        const sameActiveContext = state.activeContext
+          && state.activeContext.connectionId === targetConnectionId
+          && state.activeContext.dbName === targetDbName;
+        return {
+          tabs: newTabs,
+          activeTabId: nextActiveTabId,
+          activeContext: sameActiveContext ? null : state.activeContext,
+        };
+      }),
+
+      moveTab: (sourceId, targetId) => set((state) => {
+        const fromId = String(sourceId || '').trim();
+        const toId = String(targetId || '').trim();
+        if (!fromId || !toId || fromId === toId) {
+          return state;
+        }
+        const fromIndex = state.tabs.findIndex((tab) => tab.id === fromId);
+        const toIndex = state.tabs.findIndex((tab) => tab.id === toId);
+        if (fromIndex < 0 || toIndex < 0 || fromIndex === toIndex) {
+          return state;
+        }
+        const nextTabs = [...state.tabs];
+        const [movingTab] = nextTabs.splice(fromIndex, 1);
+        nextTabs.splice(toIndex, 0, movingTab);
+        return { tabs: nextTabs };
+      }),
+
+      closeAllTabs: () => set(() => ({ tabs: [], activeTabId: null })),
       
       setActiveTab: (id) => set({ activeTabId: id }),
       setActiveContext: (context) => set({ activeContext: context }),
@@ -94,15 +743,112 @@ export const useStore = create<AppState>()(
 
       deleteQuery: (id) => set((state) => ({ savedQueries: state.savedQueries.filter(q => q.id !== id) })),
 
-      toggleDarkMode: () => set((state) => ({ darkMode: !state.darkMode })),
+      setTheme: (theme) => set({ theme }),
+      setAppearance: (appearance) => set((state) => ({ appearance: { ...state.appearance, ...appearance } })),
+      setUiScale: (scale) => set({ uiScale: sanitizeUiScale(scale) }),
+      setFontSize: (size) => set({ fontSize: sanitizeFontSize(size) }),
+      setStartupFullscreen: (enabled) => set({ startupFullscreen: !!enabled }),
+      setGlobalProxy: (proxy) => set((state) => ({ globalProxy: sanitizeGlobalProxy({ ...state.globalProxy, ...proxy }) })),
       setSqlFormatOptions: (options) => set({ sqlFormatOptions: options }),
-      
+      setQueryOptions: (options) => set((state) => ({ queryOptions: { ...state.queryOptions, ...options } })),
+      updateShortcut: (action, binding) => set((state) => ({
+        shortcutOptions: {
+          ...state.shortcutOptions,
+          [action]: {
+            ...state.shortcutOptions[action],
+            ...binding,
+          },
+        },
+      })),
+      resetShortcutOptions: () => set({ shortcutOptions: cloneShortcutOptions(DEFAULT_SHORTCUT_OPTIONS) }),
+
       addSqlLog: (log) => set((state) => ({ sqlLogs: [log, ...state.sqlLogs].slice(0, 1000) })), // Keep last 1000 logs
       clearSqlLogs: () => set({ sqlLogs: [] }),
+
+      recordTableAccess: (connectionId, dbName, tableName) => set((state) => {
+        const key = `${connectionId}-${dbName}-${tableName}`;
+        const currentCount = state.tableAccessCount[key] || 0;
+        return {
+          tableAccessCount: {
+            ...state.tableAccessCount,
+            [key]: currentCount + 1
+          }
+        };
+      }),
+
+      setTableSortPreference: (connectionId, dbName, sortBy) => set((state) => {
+        const key = `${connectionId}-${dbName}`;
+        return {
+          tableSortPreference: {
+            ...state.tableSortPreference,
+            [key]: sortBy
+          }
+        };
+      }),
     }),
     {
       name: 'lite-db-storage', // name of the item in the storage (must be unique)
-      partialize: (state) => ({ connections: state.connections, savedQueries: state.savedQueries, darkMode: state.darkMode, sqlFormatOptions: state.sqlFormatOptions }), // Don't persist logs
+      version: PERSIST_VERSION,
+      migrate: (persistedState: unknown, version: number) => {
+        const state = unwrapPersistedAppState(persistedState) as Partial<AppState>;
+        const nextState: Partial<AppState> = { ...state };
+        nextState.connections = sanitizeConnections(state.connections);
+        if (version < 5) {
+          nextState.connectionTags = sanitizeConnectionTags(state.connectionTags);
+        } else {
+          nextState.connectionTags = sanitizeConnectionTags(state.connectionTags);
+        }
+        nextState.savedQueries = sanitizeSavedQueries(state.savedQueries);
+        nextState.theme = sanitizeTheme(state.theme);
+        nextState.appearance = sanitizeAppearance(state.appearance, version);
+        nextState.uiScale = sanitizeUiScale(state.uiScale);
+        nextState.fontSize = sanitizeFontSize(state.fontSize);
+        nextState.startupFullscreen = sanitizeStartupFullscreen(state.startupFullscreen);
+        nextState.globalProxy = sanitizeGlobalProxy(state.globalProxy);
+        nextState.sqlFormatOptions = sanitizeSqlFormatOptions(state.sqlFormatOptions);
+        nextState.queryOptions = sanitizeQueryOptions(state.queryOptions);
+        nextState.shortcutOptions = sanitizeShortcutOptions(state.shortcutOptions);
+        nextState.tableAccessCount = sanitizeTableAccessCount(state.tableAccessCount);
+        nextState.tableSortPreference = sanitizeTableSortPreference(state.tableSortPreference);
+        return nextState as AppState;
+      },
+      merge: (persistedState, currentState) => {
+        const state = unwrapPersistedAppState(persistedState) as Partial<AppState>;
+        return {
+          ...currentState,
+          ...state,
+          connections: sanitizeConnections(state.connections),
+          connectionTags: sanitizeConnectionTags(state.connectionTags),
+          savedQueries: sanitizeSavedQueries(state.savedQueries),
+          theme: sanitizeTheme(state.theme),
+          appearance: sanitizeAppearance(state.appearance, PERSIST_VERSION),
+          uiScale: sanitizeUiScale(state.uiScale),
+          fontSize: sanitizeFontSize(state.fontSize),
+          startupFullscreen: sanitizeStartupFullscreen(state.startupFullscreen),
+          globalProxy: sanitizeGlobalProxy(state.globalProxy),
+          sqlFormatOptions: sanitizeSqlFormatOptions(state.sqlFormatOptions),
+          queryOptions: sanitizeQueryOptions(state.queryOptions),
+          shortcutOptions: sanitizeShortcutOptions(state.shortcutOptions),
+          tableAccessCount: sanitizeTableAccessCount(state.tableAccessCount),
+          tableSortPreference: sanitizeTableSortPreference(state.tableSortPreference),
+        };
+      },
+      partialize: (state) => ({
+        connections: state.connections,
+        connectionTags: state.connectionTags,
+        savedQueries: state.savedQueries,
+        theme: state.theme,
+        appearance: state.appearance,
+        uiScale: state.uiScale,
+        fontSize: state.fontSize,
+        startupFullscreen: state.startupFullscreen,
+        globalProxy: state.globalProxy,
+        sqlFormatOptions: state.sqlFormatOptions,
+        queryOptions: state.queryOptions,
+        shortcutOptions: state.shortcutOptions,
+        tableAccessCount: state.tableAccessCount,
+        tableSortPreference: state.tableSortPreference
+      }), // Don't persist logs
     }
   )
-);
+);

frontend/src/types.ts

@@ -6,15 +6,55 @@ export interface SSHConfig {
   keyPath?: string;
 }
 
+export interface ProxyConfig {
+  type: 'socks5' | 'http';
+  host: string;
+  port: number;
+  user?: string;
+  password?: string;
+}
+
 export interface ConnectionConfig {
   type: string;
   host: string;
   port: number;
   user: string;
   password?: string;
+  savePassword?: boolean;
   database?: string;
+  useSSL?: boolean;
+  sslMode?: 'preferred' | 'required' | 'skip-verify' | 'disable';
+  sslCertPath?: string;
+  sslKeyPath?: string;
   useSSH?: boolean;
   ssh?: SSHConfig;
+  useProxy?: boolean;
+  proxy?: ProxyConfig;
+  driver?: string;
+  dsn?: string;
+  timeout?: number;
+  redisDB?: number; // Redis database index (0-15)
+  uri?: string; // Connection URI for copy/paste
+  hosts?: string[]; // Multi-host addresses: host:port
+  topology?: 'single' | 'replica' | 'cluster';
+  mysqlReplicaUser?: string;
+  mysqlReplicaPassword?: string;
+  replicaSet?: string;
+  authSource?: string;
+  readPreference?: string;
+  mongoSrv?: boolean;
+  mongoAuthMechanism?: string;
+  mongoReplicaUser?: string;
+  mongoReplicaPassword?: string;
+}
+
+export interface MongoMemberInfo {
+  host: string;
+  role: string;
+  state: string;
+  stateCode?: number;
+  healthy: boolean;
+  isSelf?: boolean;
 }
 
 export interface SavedConnection {
@@ -22,6 +62,13 @@ export interface SavedConnection {
   name: string;
   config: ConnectionConfig;
   includeDatabases?: string[];
+  includeRedisDatabases?: number[]; // Redis databases to show (0-15)
+}
+
+export interface ConnectionTag {
+  id: string;
+  name: string;
+  connectionIds: string[];
 }
 
 export interface ColumnDefinition {
@@ -60,13 +107,18 @@ export interface TriggerDefinition {
 export interface TabData {
   id: string;
   title: string;
-  type: 'query' | 'table' | 'design';
+  type: 'query' | 'table' | 'design' | 'redis-keys' | 'redis-command' | 'trigger' | 'view-def' | 'routine-def';
   connectionId: string;
   dbName?: string;
   tableName?: string;
   query?: string;
   initialTab?: string;
   readOnly?: boolean;
+  redisDB?: number; // Redis database index for redis tabs
+  triggerName?: string; // Trigger name for trigger tabs
+  viewName?: string; // View name for view definition tabs
+  routineName?: string; // Routine name for function/procedure definition tabs
+  routineType?: string; // 'FUNCTION' or 'PROCEDURE'
 }
 
 export interface DatabaseNode {
@@ -85,3 +137,37 @@ export interface SavedQuery {
   dbName: string;
   createdAt: number;
 }
+
+// Redis types
+export interface RedisKeyInfo {
+  key: string;
+  type: string;
+  ttl: number;
+}
+
+export interface RedisScanResult {
+  keys: RedisKeyInfo[];
+  cursor: string;
+}
+
+export interface RedisValue {
+  type: 'string' | 'hash' | 'list' | 'set' | 'zset' | 'stream';
+  ttl: number;
+  value: any;
+  length: number;
+}
+
+export interface RedisDBInfo {
+  index: number;
+  keys: number;
+}
+
+export interface ZSetMember {
+  member: string;
+  score: number;
+}
+
+export interface StreamEntry {
+  id: string;
+  fields: Record<string, string>;
+}

frontend/src/utils/appearance.ts

@@ -0,0 +1,66 @@
+const DEFAULT_OPACITY = 1.0;
+const MIN_OPACITY = 0.1;
+const MAX_OPACITY = 1.0;
+
+// 平台透明度映射因子：值越大，滑块变化越平滑（1.0 = 线性映射）
+const MAC_OPACITY_FACTOR = 0.60;
+const MAC_BLUR_FACTOR = 1.00;
+const WINDOWS_OPACITY_FACTOR = 0.70;
+const WINDOWS_BLUR_FACTOR = 1.00;
+
+const clamp = (value: number, min: number, max: number) => Math.min(max, Math.max(min, value));
+
+export const isMacLikePlatform = (): boolean => {
+  if (typeof navigator === 'undefined') {
+    return false;
+  }
+  const platform = navigator.platform || '';
+  const ua = navigator.userAgent || '';
+  return /(Mac|iPhone|iPad|iPod)/i.test(`${platform} ${ua}`);
+};
+
+export const isWindowsPlatform = (): boolean => {
+  if (typeof navigator === 'undefined') {
+    return false;
+  }
+  const platform = navigator.platform || '';
+  const ua = navigator.userAgent || '';
+  return /(Win|Windows)/i.test(`${platform} ${ua}`);
+};
+
+const getPlatformFactors = () => {
+  if (isMacLikePlatform()) {
+    return { opacity: MAC_OPACITY_FACTOR, blur: MAC_BLUR_FACTOR };
+  }
+  if (isWindowsPlatform()) {
+    return { opacity: WINDOWS_OPACITY_FACTOR, blur: WINDOWS_BLUR_FACTOR };
+  }
+  return undefined;
+};
+
+export const normalizeOpacityForPlatform = (opacity: number | undefined): number => {
+  const raw = clamp(opacity ?? DEFAULT_OPACITY, MIN_OPACITY, MAX_OPACITY);
+  // 用户显式拉到 100%% 时，必须保持完全不透明，不能再被平台映射压低。
+  if (raw >= MAX_OPACITY - 1e-6) {
+    return MAX_OPACITY;
+  }
+  const factors = getPlatformFactors();
+  if (!factors) {
+    return raw;
+  }
+
+  return clamp(MIN_OPACITY + (raw - MIN_OPACITY) * factors.opacity, MIN_OPACITY, MAX_OPACITY);
+};
+
+export const normalizeBlurForPlatform = (blur: number | undefined): number => {
+  const raw = Math.max(0, blur ?? 0);
+  const factors = getPlatformFactors();
+  if (!factors) {
+    return raw;
+  }
+  return Math.round(raw * factors.blur);
+};
+
+export const blurToFilter = (blur: number): string | undefined => {
+  return blur > 0 ? `blur(${blur}px)` : undefined;
+};

frontend/src/utils/dataSourceCapabilities.ts

@@ -0,0 +1,86 @@
+import type { ConnectionConfig } from '../types';
+
+type ConnectionLike = Pick<ConnectionConfig, 'type' | 'driver'> | null | undefined;
+
+const normalizeDataSourceToken = (raw: string): string => {
+  const normalized = String(raw || '').trim().toLowerCase();
+  switch (normalized) {
+    case 'doris':
+      return 'diros';
+    case 'postgresql':
+      return 'postgres';
+    case 'dm':
+      return 'dameng';
+    default:
+      return normalized;
+  }
+};
+
+export const resolveDataSourceType = (config: ConnectionLike): string => {
+  if (!config) return '';
+  const type = normalizeDataSourceToken(String(config.type || ''));
+  if (type === 'custom') {
+    const driver = normalizeDataSourceToken(String(config.driver || ''));
+    return driver || 'custom';
+  }
+  return type;
+};
+
+const SQL_QUERY_EXPORT_TYPES = new Set([
+  'mysql',
+  'mariadb',
+  'diros',
+  'sphinx',
+  'postgres',
+  'kingbase',
+  'highgo',
+  'vastbase',
+  'sqlserver',
+  'sqlite',
+  'duckdb',
+  'oracle',
+  'dameng',
+  'tdengine',
+  'clickhouse',
+]);
+
+const COPY_INSERT_TYPES = new Set([
+  'mysql',
+  'mariadb',
+  'diros',
+  'sphinx',
+  'postgres',
+  'kingbase',
+  'highgo',
+  'vastbase',
+  'sqlserver',
+  'sqlite',
+  'duckdb',
+  'oracle',
+  'dameng',
+  'tdengine',
+  'clickhouse',
+]);
+
+const QUERY_EDITOR_DISABLED_TYPES = new Set(['redis']);
+const FORCE_READ_ONLY_QUERY_TYPES = new Set(['tdengine', 'clickhouse']);
+
+export type DataSourceCapabilities = {
+  type: string;
+  supportsQueryEditor: boolean;
+  supportsSqlQueryExport: boolean;
+  supportsCopyInsert: boolean;
+  forceReadOnlyQueryResult: boolean;
+};
+
+export const getDataSourceCapabilities = (config: ConnectionLike): DataSourceCapabilities => {
+  const type = resolveDataSourceType(config);
+  return {
+    type,
+    supportsQueryEditor: !QUERY_EDITOR_DISABLED_TYPES.has(type),
+    supportsSqlQueryExport: SQL_QUERY_EXPORT_TYPES.has(type),
+    supportsCopyInsert: COPY_INSERT_TYPES.has(type),
+    forceReadOnlyQueryResult: FORCE_READ_ONLY_QUERY_TYPES.has(type),
+  };
+};
+

frontend/src/utils/shortcuts.ts

@@ -0,0 +1,258 @@
+import type { KeyboardEvent as ReactKeyboardEvent } from 'react';
+
+export type ShortcutAction =
+  | 'runQuery'
+  | 'focusSidebarSearch'
+  | 'newQueryTab'
+  | 'toggleLogPanel'
+  | 'toggleTheme'
+  | 'openShortcutManager';
+
+export interface ShortcutBinding {
+  combo: string;
+  enabled: boolean;
+}
+
+export type ShortcutOptions = Record<ShortcutAction, ShortcutBinding>;
+
+export interface ShortcutActionMeta {
+  label: string;
+  description: string;
+  allowInEditable?: boolean;
+}
+
+const MODIFIER_ORDER = ['Ctrl', 'Meta', 'Alt', 'Shift'] as const;
+const MODIFIER_SET = new Set(MODIFIER_ORDER);
+
+const KEY_ALIASES: Record<string, string> = {
+  control: 'Ctrl',
+  ctrl: 'Ctrl',
+  command: 'Meta',
+  cmd: 'Meta',
+  meta: 'Meta',
+  option: 'Alt',
+  alt: 'Alt',
+  shift: 'Shift',
+  escape: 'Esc',
+  esc: 'Esc',
+  return: 'Enter',
+  enter: 'Enter',
+  tab: 'Tab',
+  space: 'Space',
+  ' ': 'Space',
+  backspace: 'Backspace',
+  delete: 'Delete',
+  del: 'Delete',
+  arrowup: 'Up',
+  up: 'Up',
+  arrowdown: 'Down',
+  down: 'Down',
+  arrowleft: 'Left',
+  left: 'Left',
+  arrowright: 'Right',
+  right: 'Right',
+  pagedown: 'PageDown',
+  pageup: 'PageUp',
+  home: 'Home',
+  end: 'End',
+  insert: 'Insert',
+  ',': ',',
+  '.': '.',
+  '/': '/',
+  ';': ';',
+  "'": "'",
+  '[': '[',
+  ']': ']',
+  '\\': '\\',
+  '-': '-',
+  '=': '=',
+  '`': '`',
+};
+
+export const SHORTCUT_ACTION_ORDER: ShortcutAction[] = [
+  'runQuery',
+  'focusSidebarSearch',
+  'newQueryTab',
+  'toggleLogPanel',
+  'toggleTheme',
+  'openShortcutManager',
+];
+
+export const SHORTCUT_ACTION_META: Record<ShortcutAction, ShortcutActionMeta> = {
+  runQuery: {
+    label: '执行 SQL',
+    description: '在当前查询页执行 SQL',
+  },
+  focusSidebarSearch: {
+    label: '聚焦侧边栏搜索',
+    description: '定位到左侧连接树搜索框',
+    allowInEditable: true,
+  },
+  newQueryTab: {
+    label: '新建查询页',
+    description: '创建一个新的 SQL 查询标签页',
+  },
+  toggleLogPanel: {
+    label: '切换日志面板',
+    description: '打开或关闭 SQL 执行日志面板',
+  },
+  toggleTheme: {
+    label: '切换主题',
+    description: '在亮色和暗色主题之间切换',
+  },
+  openShortcutManager: {
+    label: '打开快捷键管理',
+    description: '打开快捷键设置面板',
+    allowInEditable: true,
+  },
+};
+
+export const DEFAULT_SHORTCUT_OPTIONS: ShortcutOptions = {
+  runQuery: { combo: 'Ctrl+Shift+R', enabled: true },
+  focusSidebarSearch: { combo: 'Ctrl+F', enabled: true },
+  newQueryTab: { combo: 'Ctrl+Shift+N', enabled: true },
+  toggleLogPanel: { combo: 'Ctrl+Shift+L', enabled: true },
+  toggleTheme: { combo: 'Ctrl+Shift+D', enabled: true },
+  openShortcutManager: { combo: 'Ctrl+,', enabled: true },
+};
+
+const normalizeKeyToken = (value: string): string => {
+  const token = String(value || '').trim();
+  if (!token) return '';
+  const alias = KEY_ALIASES[token.toLowerCase()];
+  if (alias) return alias;
+  if (/^f([1-9]|1[0-2])$/i.test(token)) {
+    return token.toUpperCase();
+  }
+  if (token.length === 1) {
+    return token === '+' ? '+' : token.toUpperCase();
+  }
+  return token.length > 1 ? token[0].toUpperCase() + token.slice(1).toLowerCase() : token;
+};
+
+export const normalizeShortcutCombo = (combo: string): string => {
+  const raw = String(combo || '').trim();
+  if (!raw) return '';
+
+  const pieces = raw
+    .split('+')
+    .map(part => part.trim())
+    .filter(Boolean);
+
+  const modifiers: string[] = [];
+  let key = '';
+
+  pieces.forEach((part) => {
+    const normalized = normalizeKeyToken(part);
+    if (!normalized) return;
+    if (MODIFIER_SET.has(normalized as typeof MODIFIER_ORDER[number])) {
+      if (!modifiers.includes(normalized)) {
+        modifiers.push(normalized);
+      }
+      return;
+    }
+    key = normalized;
+  });
+
+  modifiers.sort((a, b) => MODIFIER_ORDER.indexOf(a as typeof MODIFIER_ORDER[number]) - MODIFIER_ORDER.indexOf(b as typeof MODIFIER_ORDER[number]));
+  if (!key) {
+    return modifiers.join('+');
+  }
+  return [...modifiers, key].join('+');
+};
+
+const normalizeKeyboardKey = (key: string): string => {
+  const token = String(key || '').trim();
+  if (!token) return '';
+  const alias = KEY_ALIASES[token.toLowerCase()];
+  if (alias) return alias;
+  if (token.length === 1) {
+    if (token === ' ') return 'Space';
+    return token.toUpperCase();
+  }
+  if (/^f([1-9]|1[0-2])$/i.test(token)) {
+    return token.toUpperCase();
+  }
+  return token.length > 1 ? token[0].toUpperCase() + token.slice(1) : token;
+};
+
+export const eventToShortcut = (event: KeyboardEvent | ReactKeyboardEvent): string => {
+  const key = normalizeKeyboardKey(event.key);
+  if (!key || MODIFIER_SET.has(key as typeof MODIFIER_ORDER[number])) {
+    return '';
+  }
+
+  const modifiers: string[] = [];
+  if (event.ctrlKey) modifiers.push('Ctrl');
+  if (event.metaKey) modifiers.push('Meta');
+  if (event.altKey) modifiers.push('Alt');
+  if (event.shiftKey) modifiers.push('Shift');
+
+  return normalizeShortcutCombo([...modifiers, key].join('+'));
+};
+
+export const isShortcutMatch = (event: KeyboardEvent | ReactKeyboardEvent, combo: string): boolean => {
+  const expected = normalizeShortcutCombo(combo);
+  if (!expected) return false;
+  const actual = eventToShortcut(event);
+  return actual === expected;
+};
+
+export const hasModifierKey = (combo: string): boolean => {
+  const normalized = normalizeShortcutCombo(combo);
+  if (!normalized) return false;
+  return normalized.split('+').some(part => MODIFIER_SET.has(part as typeof MODIFIER_ORDER[number]));
+};
+
+export const cloneShortcutOptions = (value: ShortcutOptions): ShortcutOptions => {
+  return SHORTCUT_ACTION_ORDER.reduce((acc, action) => {
+    acc[action] = {
+      combo: normalizeShortcutCombo(value[action]?.combo || DEFAULT_SHORTCUT_OPTIONS[action].combo),
+      enabled: value[action]?.enabled !== false,
+    };
+    return acc;
+  }, {} as ShortcutOptions);
+};
+
+export const sanitizeShortcutOptions = (value: unknown): ShortcutOptions => {
+  const raw = (value && typeof value === 'object') ? value as Record<string, unknown> : {};
+  const defaults = cloneShortcutOptions(DEFAULT_SHORTCUT_OPTIONS);
+
+  SHORTCUT_ACTION_ORDER.forEach((action) => {
+    const actionRaw = raw[action];
+    if (!actionRaw || typeof actionRaw !== 'object') {
+      return;
+    }
+    const binding = actionRaw as Record<string, unknown>;
+    const combo = normalizeShortcutCombo(String(binding.combo || defaults[action].combo));
+    defaults[action] = {
+      combo: combo || defaults[action].combo,
+      enabled: binding.enabled === false ? false : true,
+    };
+  });
+
+  return defaults;
+};
+
+export const isEditableElement = (target: EventTarget | null): boolean => {
+  if (!(target instanceof HTMLElement)) {
+    return false;
+  }
+  const tag = target.tagName.toLowerCase();
+  if (target.isContentEditable) {
+    return true;
+  }
+  if (tag === 'input' || tag === 'textarea' || tag === 'select') {
+    return true;
+  }
+  if (target.closest('.monaco-editor, .monaco-inputbox, .ant-select, .ant-picker, .ant-input')) {
+    return true;
+  }
+  return false;
+};
+
+export const getShortcutDisplay = (combo: string): string => {
+  const normalized = normalizeShortcutCombo(combo);
+  return normalized || '-';
+};
+

frontend/src/utils/sql.ts

@@ -0,0 +1,291 @@
+export type FilterCondition = {
+  id?: number;
+  enabled?: boolean;
+  logic?: 'AND' | 'OR';
+  column?: string;
+  op?: string;
+  value?: string;
+  value2?: string;
+};
+
+const normalizeIdentPart = (ident: string) => {
+  let raw = (ident || '').trim();
+  if (!raw) return raw;
+  const first = raw[0];
+  const last = raw[raw.length - 1];
+  if ((first === '"' && last === '"') || (first === '`' && last === '`')) {
+    raw = raw.slice(1, -1).trim();
+  }
+  raw = raw.replace(/["`]/g, '').trim();
+  return raw;
+};
+
+// 检查标识符是否需要引号（包含特殊字符或是保留字）
+const needsQuote = (ident: string): boolean => {
+  if (!ident) return false;
+  // 如果包含特殊字符（非字母、数字、下划线）则需要引号
+  if (!/^[a-zA-Z_][a-zA-Z0-9_]*$/.test(ident)) return true;
+  // PostgreSQL 会将未加引号的标识符折叠为小写，含大写字母时必须加引号
+  if (/[A-Z]/.test(ident)) return true;
+  // 常见 SQL 保留字列表（简化版）
+  const reserved = ['select', 'from', 'where', 'table', 'index', 'user', 'order', 'group', 'by', 'limit', 'offset', 'and', 'or', 'not', 'null', 'true', 'false', 'key', 'primary', 'foreign', 'references', 'default', 'constraint', 'create', 'drop', 'alter', 'insert', 'update', 'delete', 'set', 'values', 'into', 'join', 'left', 'right', 'inner', 'outer', 'on', 'as', 'is', 'in', 'like', 'between', 'case', 'when', 'then', 'else', 'end', 'having', 'distinct', 'all', 'any', 'exists', 'union', 'except', 'intersect'];
+  return reserved.includes(ident.toLowerCase());
+};
+
+export const quoteIdentPart = (dbType: string, ident: string) => {
+  const raw = normalizeIdentPart(ident);
+  if (!raw) return raw;
+  const dbTypeLower = (dbType || '').toLowerCase();
+
+  if (dbTypeLower === 'mysql' || dbTypeLower === 'mariadb' || dbTypeLower === 'diros' || dbTypeLower === 'sphinx' || dbTypeLower === 'tdengine' || dbTypeLower === 'clickhouse') {
+    return `\`${raw.replace(/`/g, '``')}\``;
+  }
+
+  // 对于 KingBase/PostgreSQL，只在必要时加引号
+  if (dbTypeLower === 'kingbase' || dbTypeLower === 'postgres') {
+    if (needsQuote(raw)) {
+      return `"${raw.replace(/"/g, '""')}"`;
+    }
+    // 不加引号，保持原样（数据库会自动转小写处理）
+    return raw;
+  }
+
+  // 其他数据库默认加双引号
+  return `"${raw.replace(/"/g, '""')}"`;
+};
+
+export const quoteQualifiedIdent = (dbType: string, ident: string) => {
+  const raw = (ident || '').trim();
+  if (!raw) return raw;
+  const parts = raw.split('.').map(normalizeIdentPart).filter(Boolean);
+  if (parts.length <= 1) return quoteIdentPart(dbType, raw);
+  return parts.map(p => quoteIdentPart(dbType, p)).join('.');
+};
+
+export const escapeLiteral = (val: string) => (val || '').replace(/'/g, "''");
+
+type SortInfo = {
+  columnKey?: string;
+  order?: string;
+} | null | undefined;
+
+// 为排序查询按库类型注入 sort_buffer 提升参数（仅影响当前语句）。
+// MySQL: 使用 Optimizer Hint `SET_VAR`。
+// MariaDB: 使用 `SET STATEMENT ... FOR` 包装当前查询。
+export const withSortBufferTuningSQL = (
+  dbType: string,
+  sql: string,
+  sortBufferBytes: number,
+) => {
+  const rawSql = String(sql || '');
+  const trimmed = rawSql.trim();
+  if (!trimmed) return rawSql;
+  if (!/^select\b/i.test(trimmed)) return rawSql;
+
+  const normalizedType = String(dbType || '').trim().toLowerCase();
+  const bytes = Math.max(256 * 1024, Math.floor(Number(sortBufferBytes) || 0));
+  if (normalizedType === 'mysql') {
+    return rawSql.replace(
+      /^\s*select\b/i,
+      (matched) => `${matched} /*+ SET_VAR(sort_buffer_size=${bytes}) */`,
+    );
+  }
+  if (normalizedType === 'mariadb') {
+    return `SET STATEMENT sort_buffer_size=${bytes} FOR ${rawSql}`;
+  }
+  return rawSql;
+};
+
+export const buildOrderBySQL = (
+  dbType: string,
+  sortInfo: SortInfo,
+  fallbackColumns: string[] = [],
+) => {
+  const dbTypeLower = String(dbType || '').trim().toLowerCase();
+  const sortColumn = normalizeIdentPart(String(sortInfo?.columnKey || ''));
+  const sortOrder = String(sortInfo?.order || '');
+  const direction = sortOrder === 'ascend' ? 'ASC' : sortOrder === 'descend' ? 'DESC' : '';
+  if (sortColumn && direction) {
+    return ` ORDER BY ${quoteIdentPart(dbType, sortColumn)} ${direction}`;
+  }
+
+  // MySQL/MariaDB 大表在无显式排序需求时强制 ORDER BY（即使按主键）可能触发 filesort，
+  // 导致 `Error 1038 (HY001): Out of sort memory`。
+  // 因此仅在用户主动点击排序时下发 ORDER BY，默认分页查询不加兜底排序。
+  if (dbTypeLower === 'mysql' || dbTypeLower === 'mariadb' || dbTypeLower === 'diros') {
+    return '';
+  }
+
+  const seen = new Set<string>();
+  const stableColumns = (fallbackColumns || [])
+    .map((col) => normalizeIdentPart(String(col || '')))
+    .filter((col) => {
+      if (!col) return false;
+      const key = col.toLowerCase();
+      if (seen.has(key)) return false;
+      seen.add(key);
+      return true;
+    });
+  if (stableColumns.length > 0) {
+    const parts = stableColumns.map((col) => `${quoteIdentPart(dbType, col)} ASC`);
+    return ` ORDER BY ${parts.join(', ')}`;
+  }
+
+  return '';
+};
+
+export const parseListValues = (val: string) => {
+  const raw = (val || '').trim();
+  if (!raw) return [];
+  return raw
+    .split(/[\n,，]+/)
+    .map(s => s.trim())
+    .filter(Boolean);
+};
+
+const normalizeConditionLogic = (logic: unknown): 'AND' | 'OR' => {
+  return String(logic || '').trim().toUpperCase() === 'OR' ? 'OR' : 'AND';
+};
+
+export const buildWhereSQL = (dbType: string, conditions: FilterCondition[]) => {
+  const whereParts: Array<{ expr: string; logic: 'AND' | 'OR' }> = [];
+
+  (conditions || []).forEach((cond) => {
+    if (cond?.enabled === false) return;
+
+    const op = (cond?.op || '').trim();
+    const column = (cond?.column || '').trim();
+    const value = (cond?.value ?? '').toString();
+    const value2 = (cond?.value2 ?? '').toString();
+    const logic = normalizeConditionLogic(cond?.logic);
+
+    const appendWherePart = (expr: string) => {
+      const normalizedExpr = String(expr || '').trim();
+      if (!normalizedExpr) return;
+      whereParts.push({ expr: normalizedExpr, logic });
+    };
+
+    if (op === 'CUSTOM') {
+      const expr = value.trim();
+      if (expr) appendWherePart(`(${expr})`);
+      return;
+    }
+
+    if (!column) return;
+
+    const col = quoteIdentPart(dbType, column);
+
+    switch (op) {
+      case 'IS_NULL':
+        appendWherePart(`${col} IS NULL`);
+        return;
+      case 'IS_NOT_NULL':
+        appendWherePart(`${col} IS NOT NULL`);
+        return;
+      case 'IS_EMPTY':
+        // 兼容：空值通常理解为 NULL 或空字符串
+        appendWherePart(`(${col} IS NULL OR ${col} = '')`);
+        return;
+      case 'IS_NOT_EMPTY':
+        appendWherePart(`(${col} IS NOT NULL AND ${col} <> '')`);
+        return;
+      case 'BETWEEN': {
+        const v1 = value.trim();
+        const v2 = value2.trim();
+        if (!v1 || !v2) return;
+        appendWherePart(`${col} BETWEEN '${escapeLiteral(v1)}' AND '${escapeLiteral(v2)}'`);
+        return;
+      }
+      case 'NOT_BETWEEN': {
+        const v1 = value.trim();
+        const v2 = value2.trim();
+        if (!v1 || !v2) return;
+        appendWherePart(`${col} NOT BETWEEN '${escapeLiteral(v1)}' AND '${escapeLiteral(v2)}'`);
+        return;
+      }
+      case 'IN': {
+        const items = parseListValues(value);
+        if (items.length === 0) return;
+        const list = items.map(v => `'${escapeLiteral(v)}'`).join(', ');
+        appendWherePart(`${col} IN (${list})`);
+        return;
+      }
+      case 'NOT_IN': {
+        const items = parseListValues(value);
+        if (items.length === 0) return;
+        const list = items.map(v => `'${escapeLiteral(v)}'`).join(', ');
+        appendWherePart(`${col} NOT IN (${list})`);
+        return;
+      }
+      case 'CONTAINS': {
+        const v = value.trim();
+        if (!v) return;
+        appendWherePart(`${col} LIKE '%${escapeLiteral(v)}%'`);
+        return;
+      }
+      case 'NOT_CONTAINS': {
+        const v = value.trim();
+        if (!v) return;
+        appendWherePart(`${col} NOT LIKE '%${escapeLiteral(v)}%'`);
+        return;
+      }
+      case 'STARTS_WITH': {
+        const v = value.trim();
+        if (!v) return;
+        appendWherePart(`${col} LIKE '${escapeLiteral(v)}%'`);
+        return;
+      }
+      case 'NOT_STARTS_WITH': {
+        const v = value.trim();
+        if (!v) return;
+        appendWherePart(`${col} NOT LIKE '${escapeLiteral(v)}%'`);
+        return;
+      }
+      case 'ENDS_WITH': {
+        const v = value.trim();
+        if (!v) return;
+        appendWherePart(`${col} LIKE '%${escapeLiteral(v)}'`);
+        return;
+      }
+      case 'NOT_ENDS_WITH': {
+        const v = value.trim();
+        if (!v) return;
+        appendWherePart(`${col} NOT LIKE '%${escapeLiteral(v)}'`);
+        return;
+      }
+      case '=':
+      case '!=':
+      case '<':
+      case '<=':
+      case '>':
+      case '>=': {
+        const v = value.trim();
+        if (!v) return;
+        appendWherePart(`${col} ${op} '${escapeLiteral(v)}'`);
+        return;
+      }
+      default: {
+        // 兼容旧值：LIKE
+        if (op.toUpperCase() === 'LIKE') {
+          const v = value.trim();
+          if (!v) return;
+          appendWherePart(`${col} LIKE '%${escapeLiteral(v)}%'`);
+          return;
+        }
+
+        const v = value.trim();
+        if (!v) return;
+        appendWherePart(`${col} ${op} '${escapeLiteral(v)}'`);
+      }
+    }
+  });
+
+  if (whereParts.length === 0) return '';
+
+  let whereExpr = `(${whereParts[0].expr})`;
+  for (let i = 1; i < whereParts.length; i++) {
+    const part = whereParts[i];
+    whereExpr = `(${whereExpr} ${part.logic} (${part.expr}))`;
+  }
+  return `WHERE ${whereExpr}`;
+};

frontend/src/vite-env.d.ts

@@ -0,0 +1,2 @@
+/// <reference types="vite/client" />
+

frontend/vite.config.ts

@@ -12,4 +12,4 @@ export default defineConfig({
     outDir: 'dist', // Standard Wails output directory
     emptyOutDir: true,
   }
-})
+})

frontend/wailsjs/go/app/App.d.ts

@@ -1,10 +1,24 @@
 // Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
 // This file is automatically generated. DO NOT EDIT
 import {connection} from '../models';
+import {time} from '../models';
 import {sync} from '../models';
+import {redis} from '../models';
 
 export function ApplyChanges(arg1:connection.ConnectionConfig,arg2:string,arg3:string,arg4:connection.ChangeSet):Promise<connection.QueryResult>;
 
+export function CancelQuery(arg1:string):Promise<connection.QueryResult>;
+
+export function CheckDriverNetworkStatus():Promise<connection.QueryResult>;
+
+export function CheckForUpdates():Promise<connection.QueryResult>;
+
+export function CleanupStaleQueries(arg1:time.Duration):Promise<void>;
+
+export function ConfigureDriverRuntimeDirectory(arg1:string):Promise<connection.QueryResult>;
+
+export function ConfigureGlobalProxy(arg1:boolean,arg2:connection.ProxyConfig):Promise<connection.QueryResult>;
+
 export function CreateDatabase(arg1:connection.ConnectionConfig,arg2:string):Promise<connection.QueryResult>;
 
 export function DBConnect(arg1:connection.ConnectionConfig):Promise<connection.QueryResult>;
@@ -25,18 +39,66 @@ export function DBGetTriggers(arg1:connection.ConnectionConfig,arg2:string,arg3:
 
 export function DBQuery(arg1:connection.ConnectionConfig,arg2:string,arg3:string):Promise<connection.QueryResult>;
 
+export function DBQueryIsolated(arg1:connection.ConnectionConfig,arg2:string,arg3:string):Promise<connection.QueryResult>;
+
+export function DBQueryWithCancel(arg1:connection.ConnectionConfig,arg2:string,arg3:string,arg4:string):Promise<connection.QueryResult>;
+
 export function DBShowCreateTable(arg1:connection.ConnectionConfig,arg2:string,arg3:string):Promise<connection.QueryResult>;
 
 export function DataSync(arg1:sync.SyncConfig):Promise<sync.SyncResult>;
 
+export function DataSyncAnalyze(arg1:sync.SyncConfig):Promise<connection.QueryResult>;
+
+export function DataSyncPreview(arg1:sync.SyncConfig,arg2:string,arg3:number):Promise<connection.QueryResult>;
+
+export function DownloadDriverPackage(arg1:string,arg2:string,arg3:string,arg4:string):Promise<connection.QueryResult>;
+
+export function DownloadUpdate():Promise<connection.QueryResult>;
+
+export function DropDatabase(arg1:connection.ConnectionConfig,arg2:string):Promise<connection.QueryResult>;
+
+export function DropFunction(arg1:connection.ConnectionConfig,arg2:string,arg3:string,arg4:string):Promise<connection.QueryResult>;
+
+export function DropTable(arg1:connection.ConnectionConfig,arg2:string,arg3:string):Promise<connection.QueryResult>;
+
+export function DropView(arg1:connection.ConnectionConfig,arg2:string,arg3:string):Promise<connection.QueryResult>;
+
 export function ExportData(arg1:Array<Record<string, any>>,arg2:Array<string>,arg3:string,arg4:string):Promise<connection.QueryResult>;
 
+export function ExportDatabaseSQL(arg1:connection.ConnectionConfig,arg2:string,arg3:boolean):Promise<connection.QueryResult>;
+
+export function ExportQuery(arg1:connection.ConnectionConfig,arg2:string,arg3:string,arg4:string,arg5:string):Promise<connection.QueryResult>;
+
 export function ExportTable(arg1:connection.ConnectionConfig,arg2:string,arg3:string,arg4:string):Promise<connection.QueryResult>;
 
+export function ExportTablesDataSQL(arg1:connection.ConnectionConfig,arg2:string,arg3:Array<string>):Promise<connection.QueryResult>;
+
+export function ExportTablesSQL(arg1:connection.ConnectionConfig,arg2:string,arg3:Array<string>,arg4:boolean):Promise<connection.QueryResult>;
+
+export function GenerateQueryID():Promise<string>;
+
+export function GetAppInfo():Promise<connection.QueryResult>;
+
+export function GetDriverStatusList(arg1:string,arg2:string):Promise<connection.QueryResult>;
+
+export function GetDriverVersionList(arg1:string,arg2:string):Promise<connection.QueryResult>;
+
+export function GetDriverVersionPackageSize(arg1:string,arg2:string):Promise<connection.QueryResult>;
+
+export function GetGlobalProxyConfig():Promise<connection.QueryResult>;
+
 export function ImportConfigFile():Promise<connection.QueryResult>;
 
 export function ImportData(arg1:connection.ConnectionConfig,arg2:string,arg3:string):Promise<connection.QueryResult>;
 
+export function ImportDataWithProgress(arg1:connection.ConnectionConfig,arg2:string,arg3:string,arg4:string):Promise<connection.QueryResult>;
+
+export function InstallLocalDriverPackage(arg1:string,arg2:string,arg3:string):Promise<connection.QueryResult>;
+
+export function InstallUpdateAndRestart():Promise<connection.QueryResult>;
+
+export function MongoDiscoverMembers(arg1:connection.ConnectionConfig):Promise<connection.QueryResult>;
+
 export function MySQLConnect(arg1:connection.ConnectionConfig):Promise<connection.QueryResult>;
 
 export function MySQLGetDatabases(arg1:connection.ConnectionConfig):Promise<connection.QueryResult>;
@@ -47,6 +109,82 @@ export function MySQLQuery(arg1:connection.ConnectionConfig,arg2:string,arg3:str
 
 export function MySQLShowCreateTable(arg1:connection.ConnectionConfig,arg2:string,arg3:string):Promise<connection.QueryResult>;
 
+export function OpenDownloadedUpdateDirectory():Promise<connection.QueryResult>;
+
 export function OpenSQLFile():Promise<connection.QueryResult>;
 
+export function PreviewImportFile(arg1:string):Promise<connection.QueryResult>;
+
+export function RedisConnect(arg1:connection.ConnectionConfig):Promise<connection.QueryResult>;
+
+export function RedisDeleteHashField(arg1:connection.ConnectionConfig,arg2:string,arg3:Array<string>):Promise<connection.QueryResult>;
+
+export function RedisDeleteKeys(arg1:connection.ConnectionConfig,arg2:Array<string>):Promise<connection.QueryResult>;
+
+export function RedisExecuteCommand(arg1:connection.ConnectionConfig,arg2:string):Promise<connection.QueryResult>;
+
+export function RedisFlushDB(arg1:connection.ConnectionConfig):Promise<connection.QueryResult>;
+
+export function RedisGetDatabases(arg1:connection.ConnectionConfig):Promise<connection.QueryResult>;
+
+export function RedisGetServerInfo(arg1:connection.ConnectionConfig):Promise<connection.QueryResult>;
+
+export function RedisGetValue(arg1:connection.ConnectionConfig,arg2:string):Promise<connection.QueryResult>;
+
+export function RedisListPush(arg1:connection.ConnectionConfig,arg2:string,arg3:Array<string>):Promise<connection.QueryResult>;
+
+export function RedisListSet(arg1:connection.ConnectionConfig,arg2:string,arg3:number,arg4:string):Promise<connection.QueryResult>;
+
+export function RedisRenameKey(arg1:connection.ConnectionConfig,arg2:string,arg3:string):Promise<connection.QueryResult>;
+
+export function RedisScanKeys(arg1:connection.ConnectionConfig,arg2:string,arg3:any,arg4:number):Promise<connection.QueryResult>;
+
+export function RedisSelectDB(arg1:connection.ConnectionConfig,arg2:number):Promise<connection.QueryResult>;
+
+export function RedisSetAdd(arg1:connection.ConnectionConfig,arg2:string,arg3:Array<string>):Promise<connection.QueryResult>;
+
+export function RedisSetHashField(arg1:connection.ConnectionConfig,arg2:string,arg3:string,arg4:string):Promise<connection.QueryResult>;
+
+export function RedisSetRemove(arg1:connection.ConnectionConfig,arg2:string,arg3:Array<string>):Promise<connection.QueryResult>;
+
+export function RedisSetString(arg1:connection.ConnectionConfig,arg2:string,arg3:string,arg4:number):Promise<connection.QueryResult>;
+
+export function RedisSetTTL(arg1:connection.ConnectionConfig,arg2:string,arg3:number):Promise<connection.QueryResult>;
+
+export function RedisStreamAdd(arg1:connection.ConnectionConfig,arg2:string,arg3:Record<string, string>,arg4:string):Promise<connection.QueryResult>;
+
+export function RedisStreamDelete(arg1:connection.ConnectionConfig,arg2:string,arg3:Array<string>):Promise<connection.QueryResult>;
+
+export function RedisTestConnection(arg1:connection.ConnectionConfig):Promise<connection.QueryResult>;
+
+export function RedisZSetAdd(arg1:connection.ConnectionConfig,arg2:string,arg3:Array<redis.ZSetMember>):Promise<connection.QueryResult>;
+
+export function RedisZSetRemove(arg1:connection.ConnectionConfig,arg2:string,arg3:Array<string>):Promise<connection.QueryResult>;
+
+export function RemoveDriverPackage(arg1:string,arg2:string):Promise<connection.QueryResult>;
+
+export function RenameDatabase(arg1:connection.ConnectionConfig,arg2:string,arg3:string):Promise<connection.QueryResult>;
+
+export function RenameTable(arg1:connection.ConnectionConfig,arg2:string,arg3:string,arg4:string):Promise<connection.QueryResult>;
+
+export function RenameView(arg1:connection.ConnectionConfig,arg2:string,arg3:string,arg4:string):Promise<connection.QueryResult>;
+
+export function ResolveDriverDownloadDirectory(arg1:string):Promise<connection.QueryResult>;
+
+export function ResolveDriverPackageDownloadURL(arg1:string,arg2:string):Promise<connection.QueryResult>;
+
+export function ResolveDriverRepositoryURL(arg1:string):Promise<connection.QueryResult>;
+
+export function SelectDatabaseFile(arg1:string,arg2:string):Promise<connection.QueryResult>;
+
+export function SelectDriverDownloadDirectory(arg1:string):Promise<connection.QueryResult>;
+
+export function SelectDriverPackageDirectory(arg1:string):Promise<connection.QueryResult>;
+
+export function SelectDriverPackageFile(arg1:string):Promise<connection.QueryResult>;
+
+export function SelectSSHKeyFile(arg1:string):Promise<connection.QueryResult>;
+
+export function SetWindowTranslucency(arg1:number,arg2:number):Promise<void>;
+
 export function TestConnection(arg1:connection.ConnectionConfig):Promise<connection.QueryResult>;

frontend/wailsjs/go/app/App.js

@@ -6,6 +6,30 @@ export function ApplyChanges(arg1, arg2, arg3, arg4) {
   return window['go']['app']['App']['ApplyChanges'](arg1, arg2, arg3, arg4);
 }
 
+export function CancelQuery(arg1) {
+  return window['go']['app']['App']['CancelQuery'](arg1);
+}
+
+export function CheckDriverNetworkStatus() {
+  return window['go']['app']['App']['CheckDriverNetworkStatus']();
+}
+
+export function CheckForUpdates() {
+  return window['go']['app']['App']['CheckForUpdates']();
+}
+
+export function CleanupStaleQueries(arg1) {
+  return window['go']['app']['App']['CleanupStaleQueries'](arg1);
+}
+
+export function ConfigureDriverRuntimeDirectory(arg1) {
+  return window['go']['app']['App']['ConfigureDriverRuntimeDirectory'](arg1);
+}
+
+export function ConfigureGlobalProxy(arg1, arg2) {
+  return window['go']['app']['App']['ConfigureGlobalProxy'](arg1, arg2);
+}
+
 export function CreateDatabase(arg1, arg2) {
   return window['go']['app']['App']['CreateDatabase'](arg1, arg2);
 }
@@ -46,6 +70,14 @@ export function DBQuery(arg1, arg2, arg3) {
   return window['go']['app']['App']['DBQuery'](arg1, arg2, arg3);
 }
 
+export function DBQueryIsolated(arg1, arg2, arg3) {
+  return window['go']['app']['App']['DBQueryIsolated'](arg1, arg2, arg3);
+}
+
+export function DBQueryWithCancel(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['DBQueryWithCancel'](arg1, arg2, arg3, arg4);
+}
+
 export function DBShowCreateTable(arg1, arg2, arg3) {
   return window['go']['app']['App']['DBShowCreateTable'](arg1, arg2, arg3);
 }
@@ -54,14 +86,86 @@ export function DataSync(arg1) {
   return window['go']['app']['App']['DataSync'](arg1);
 }
 
+export function DataSyncAnalyze(arg1) {
+  return window['go']['app']['App']['DataSyncAnalyze'](arg1);
+}
+
+export function DataSyncPreview(arg1, arg2, arg3) {
+  return window['go']['app']['App']['DataSyncPreview'](arg1, arg2, arg3);
+}
+
+export function DownloadDriverPackage(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['DownloadDriverPackage'](arg1, arg2, arg3, arg4);
+}
+
+export function DownloadUpdate() {
+  return window['go']['app']['App']['DownloadUpdate']();
+}
+
+export function DropDatabase(arg1, arg2) {
+  return window['go']['app']['App']['DropDatabase'](arg1, arg2);
+}
+
+export function DropFunction(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['DropFunction'](arg1, arg2, arg3, arg4);
+}
+
+export function DropTable(arg1, arg2, arg3) {
+  return window['go']['app']['App']['DropTable'](arg1, arg2, arg3);
+}
+
+export function DropView(arg1, arg2, arg3) {
+  return window['go']['app']['App']['DropView'](arg1, arg2, arg3);
+}
+
 export function ExportData(arg1, arg2, arg3, arg4) {
   return window['go']['app']['App']['ExportData'](arg1, arg2, arg3, arg4);
 }
 
+export function ExportDatabaseSQL(arg1, arg2, arg3) {
+  return window['go']['app']['App']['ExportDatabaseSQL'](arg1, arg2, arg3);
+}
+
+export function ExportQuery(arg1, arg2, arg3, arg4, arg5) {
+  return window['go']['app']['App']['ExportQuery'](arg1, arg2, arg3, arg4, arg5);
+}
+
 export function ExportTable(arg1, arg2, arg3, arg4) {
   return window['go']['app']['App']['ExportTable'](arg1, arg2, arg3, arg4);
 }
 
+export function ExportTablesDataSQL(arg1, arg2, arg3) {
+  return window['go']['app']['App']['ExportTablesDataSQL'](arg1, arg2, arg3);
+}
+
+export function ExportTablesSQL(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['ExportTablesSQL'](arg1, arg2, arg3, arg4);
+}
+
+export function GenerateQueryID() {
+  return window['go']['app']['App']['GenerateQueryID']();
+}
+
+export function GetAppInfo() {
+  return window['go']['app']['App']['GetAppInfo']();
+}
+
+export function GetDriverStatusList(arg1, arg2) {
+  return window['go']['app']['App']['GetDriverStatusList'](arg1, arg2);
+}
+
+export function GetDriverVersionList(arg1, arg2) {
+  return window['go']['app']['App']['GetDriverVersionList'](arg1, arg2);
+}
+
+export function GetDriverVersionPackageSize(arg1, arg2) {
+  return window['go']['app']['App']['GetDriverVersionPackageSize'](arg1, arg2);
+}
+
+export function GetGlobalProxyConfig() {
+  return window['go']['app']['App']['GetGlobalProxyConfig']();
+}
+
 export function ImportConfigFile() {
   return window['go']['app']['App']['ImportConfigFile']();
 }
@@ -70,6 +174,22 @@ export function ImportData(arg1, arg2, arg3) {
   return window['go']['app']['App']['ImportData'](arg1, arg2, arg3);
 }
 
+export function ImportDataWithProgress(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['ImportDataWithProgress'](arg1, arg2, arg3, arg4);
+}
+
+export function InstallLocalDriverPackage(arg1, arg2, arg3) {
+  return window['go']['app']['App']['InstallLocalDriverPackage'](arg1, arg2, arg3);
+}
+
+export function InstallUpdateAndRestart() {
+  return window['go']['app']['App']['InstallUpdateAndRestart']();
+}
+
+export function MongoDiscoverMembers(arg1) {
+  return window['go']['app']['App']['MongoDiscoverMembers'](arg1);
+}
+
 export function MySQLConnect(arg1) {
   return window['go']['app']['App']['MySQLConnect'](arg1);
 }
@@ -90,10 +210,162 @@ export function MySQLShowCreateTable(arg1, arg2, arg3) {
   return window['go']['app']['App']['MySQLShowCreateTable'](arg1, arg2, arg3);
 }
 
+export function OpenDownloadedUpdateDirectory() {
+  return window['go']['app']['App']['OpenDownloadedUpdateDirectory']();
+}
+
 export function OpenSQLFile() {
   return window['go']['app']['App']['OpenSQLFile']();
 }
 
+export function PreviewImportFile(arg1) {
+  return window['go']['app']['App']['PreviewImportFile'](arg1);
+}
+
+export function RedisConnect(arg1) {
+  return window['go']['app']['App']['RedisConnect'](arg1);
+}
+
+export function RedisDeleteHashField(arg1, arg2, arg3) {
+  return window['go']['app']['App']['RedisDeleteHashField'](arg1, arg2, arg3);
+}
+
+export function RedisDeleteKeys(arg1, arg2) {
+  return window['go']['app']['App']['RedisDeleteKeys'](arg1, arg2);
+}
+
+export function RedisExecuteCommand(arg1, arg2) {
+  return window['go']['app']['App']['RedisExecuteCommand'](arg1, arg2);
+}
+
+export function RedisFlushDB(arg1) {
+  return window['go']['app']['App']['RedisFlushDB'](arg1);
+}
+
+export function RedisGetDatabases(arg1) {
+  return window['go']['app']['App']['RedisGetDatabases'](arg1);
+}
+
+export function RedisGetServerInfo(arg1) {
+  return window['go']['app']['App']['RedisGetServerInfo'](arg1);
+}
+
+export function RedisGetValue(arg1, arg2) {
+  return window['go']['app']['App']['RedisGetValue'](arg1, arg2);
+}
+
+export function RedisListPush(arg1, arg2, arg3) {
+  return window['go']['app']['App']['RedisListPush'](arg1, arg2, arg3);
+}
+
+export function RedisListSet(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['RedisListSet'](arg1, arg2, arg3, arg4);
+}
+
+export function RedisRenameKey(arg1, arg2, arg3) {
+  return window['go']['app']['App']['RedisRenameKey'](arg1, arg2, arg3);
+}
+
+export function RedisScanKeys(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['RedisScanKeys'](arg1, arg2, arg3, arg4);
+}
+
+export function RedisSelectDB(arg1, arg2) {
+  return window['go']['app']['App']['RedisSelectDB'](arg1, arg2);
+}
+
+export function RedisSetAdd(arg1, arg2, arg3) {
+  return window['go']['app']['App']['RedisSetAdd'](arg1, arg2, arg3);
+}
+
+export function RedisSetHashField(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['RedisSetHashField'](arg1, arg2, arg3, arg4);
+}
+
+export function RedisSetRemove(arg1, arg2, arg3) {
+  return window['go']['app']['App']['RedisSetRemove'](arg1, arg2, arg3);
+}
+
+export function RedisSetString(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['RedisSetString'](arg1, arg2, arg3, arg4);
+}
+
+export function RedisSetTTL(arg1, arg2, arg3) {
+  return window['go']['app']['App']['RedisSetTTL'](arg1, arg2, arg3);
+}
+
+export function RedisStreamAdd(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['RedisStreamAdd'](arg1, arg2, arg3, arg4);
+}
+
+export function RedisStreamDelete(arg1, arg2, arg3) {
+  return window['go']['app']['App']['RedisStreamDelete'](arg1, arg2, arg3);
+}
+
+export function RedisTestConnection(arg1) {
+  return window['go']['app']['App']['RedisTestConnection'](arg1);
+}
+
+export function RedisZSetAdd(arg1, arg2, arg3) {
+  return window['go']['app']['App']['RedisZSetAdd'](arg1, arg2, arg3);
+}
+
+export function RedisZSetRemove(arg1, arg2, arg3) {
+  return window['go']['app']['App']['RedisZSetRemove'](arg1, arg2, arg3);
+}
+
+export function RemoveDriverPackage(arg1, arg2) {
+  return window['go']['app']['App']['RemoveDriverPackage'](arg1, arg2);
+}
+
+export function RenameDatabase(arg1, arg2, arg3) {
+  return window['go']['app']['App']['RenameDatabase'](arg1, arg2, arg3);
+}
+
+export function RenameTable(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['RenameTable'](arg1, arg2, arg3, arg4);
+}
+
+export function RenameView(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['RenameView'](arg1, arg2, arg3, arg4);
+}
+
+export function ResolveDriverDownloadDirectory(arg1) {
+  return window['go']['app']['App']['ResolveDriverDownloadDirectory'](arg1);
+}
+
+export function ResolveDriverPackageDownloadURL(arg1, arg2) {
+  return window['go']['app']['App']['ResolveDriverPackageDownloadURL'](arg1, arg2);
+}
+
+export function ResolveDriverRepositoryURL(arg1) {
+  return window['go']['app']['App']['ResolveDriverRepositoryURL'](arg1);
+}
+
+export function SelectDatabaseFile(arg1, arg2) {
+  return window['go']['app']['App']['SelectDatabaseFile'](arg1, arg2);
+}
+
+export function SelectDriverDownloadDirectory(arg1) {
+  return window['go']['app']['App']['SelectDriverDownloadDirectory'](arg1);
+}
+
+export function SelectDriverPackageDirectory(arg1) {
+  return window['go']['app']['App']['SelectDriverPackageDirectory'](arg1);
+}
+
+export function SelectDriverPackageFile(arg1) {
+  return window['go']['app']['App']['SelectDriverPackageFile'](arg1);
+}
+
+export function SelectSSHKeyFile(arg1) {
+  return window['go']['app']['App']['SelectSSHKeyFile'](arg1);
+}
+
+export function SetWindowTranslucency(arg1, arg2) {
+  return window['go']['app']['App']['SetWindowTranslucency'](arg1, arg2);
+}
+
 export function TestConnection(arg1) {
   return window['go']['app']['App']['TestConnection'](arg1);
 }

frontend/wailsjs/go/models.ts

@@ -48,6 +48,26 @@ export namespace connection {
 		    return a;
 		}
 	}
+	export class ProxyConfig {
+	    type: string;
+	    host: string;
+	    port: number;
+	    user?: string;
+	    password?: string;
+	
+	    static createFrom(source: any = {}) {
+	        return new ProxyConfig(source);
+	    }
+	
+	    constructor(source: any = {}) {
+	        if ('string' === typeof source) source = JSON.parse(source);
+	        this.type = source["type"];
+	        this.host = source["host"];
+	        this.port = source["port"];
+	        this.user = source["user"];
+	        this.password = source["password"];
+	    }
+	}
 	export class SSHConfig {
 	    host: string;
 	    port: number;
@@ -74,11 +94,32 @@ export namespace connection {
 	    port: number;
 	    user: string;
 	    password: string;
+	    savePassword?: boolean;
 	    database: string;
+	    useSSL?: boolean;
+	    sslMode?: string;
+	    sslCertPath?: string;
+	    sslKeyPath?: string;
 	    useSSH: boolean;
 	    ssh: SSHConfig;
+	    useProxy?: boolean;
+	    proxy?: ProxyConfig;
 	    driver?: string;
 	    dsn?: string;
+	    timeout?: number;
+	    redisDB?: number;
+	    uri?: string;
+	    hosts?: string[];
+	    topology?: string;
+	    mysqlReplicaUser?: string;
+	    mysqlReplicaPassword?: string;
+	    replicaSet?: string;
+	    authSource?: string;
+	    readPreference?: string;
+	    mongoSrv?: boolean;
+	    mongoAuthMechanism?: string;
+	    mongoReplicaUser?: string;
+	    mongoReplicaPassword?: string;
 	
 	    static createFrom(source: any = {}) {
 	        return new ConnectionConfig(source);
@@ -91,11 +132,32 @@ export namespace connection {
 	        this.port = source["port"];
 	        this.user = source["user"];
 	        this.password = source["password"];
+	        this.savePassword = source["savePassword"];
 	        this.database = source["database"];
+	        this.useSSL = source["useSSL"];
+	        this.sslMode = source["sslMode"];
+	        this.sslCertPath = source["sslCertPath"];
+	        this.sslKeyPath = source["sslKeyPath"];
 	        this.useSSH = source["useSSH"];
 	        this.ssh = this.convertValues(source["ssh"], SSHConfig);
+	        this.useProxy = source["useProxy"];
+	        this.proxy = this.convertValues(source["proxy"], ProxyConfig);
 	        this.driver = source["driver"];
 	        this.dsn = source["dsn"];
+	        this.timeout = source["timeout"];
+	        this.redisDB = source["redisDB"];
+	        this.uri = source["uri"];
+	        this.hosts = source["hosts"];
+	        this.topology = source["topology"];
+	        this.mysqlReplicaUser = source["mysqlReplicaUser"];
+	        this.mysqlReplicaPassword = source["mysqlReplicaPassword"];
+	        this.replicaSet = source["replicaSet"];
+	        this.authSource = source["authSource"];
+	        this.readPreference = source["readPreference"];
+	        this.mongoSrv = source["mongoSrv"];
+	        this.mongoAuthMechanism = source["mongoAuthMechanism"];
+	        this.mongoReplicaUser = source["mongoReplicaUser"];
+	        this.mongoReplicaPassword = source["mongoReplicaPassword"];
 	    }
 	
 		convertValues(a: any, classs: any, asMap: boolean = false): any {
@@ -116,11 +178,13 @@ export namespace connection {
 		    return a;
 		}
 	}
+	
 	export class QueryResult {
 	    success: boolean;
 	    message: string;
 	    data: any;
 	    fields?: string[];
+	    queryId?: string;
 	
 	    static createFrom(source: any = {}) {
 	        return new QueryResult(source);
@@ -132,19 +196,65 @@ export namespace connection {
 	        this.message = source["message"];
 	        this.data = source["data"];
 	        this.fields = source["fields"];
+	        this.queryId = source["queryId"];
 	    }
 	}
 	
 
 }
 
+export namespace redis {
+	
+	export class ZSetMember {
+	    member: string;
+	    score: number;
+	
+	    static createFrom(source: any = {}) {
+	        return new ZSetMember(source);
+	    }
+	
+	    constructor(source: any = {}) {
+	        if ('string' === typeof source) source = JSON.parse(source);
+	        this.member = source["member"];
+	        this.score = source["score"];
+	    }
+	}
+
+}
+
 export namespace sync {
 	
+	export class TableOptions {
+	    insert?: boolean;
+	    update?: boolean;
+	    delete?: boolean;
+	    selectedInsertPks?: string[];
+	    selectedUpdatePks?: string[];
+	    selectedDeletePks?: string[];
+	
+	    static createFrom(source: any = {}) {
+	        return new TableOptions(source);
+	    }
+	
+	    constructor(source: any = {}) {
+	        if ('string' === typeof source) source = JSON.parse(source);
+	        this.insert = source["insert"];
+	        this.update = source["update"];
+	        this.delete = source["delete"];
+	        this.selectedInsertPks = source["selectedInsertPks"];
+	        this.selectedUpdatePks = source["selectedUpdatePks"];
+	        this.selectedDeletePks = source["selectedDeletePks"];
+	    }
+	}
 	export class SyncConfig {
 	    sourceConfig: connection.ConnectionConfig;
 	    targetConfig: connection.ConnectionConfig;
 	    tables: string[];
+	    content?: string;
 	    mode: string;
+	    jobId?: string;
+	    autoAddColumns?: boolean;
+	    tableOptions?: Record<string, TableOptions>;
 	
 	    static createFrom(source: any = {}) {
 	        return new SyncConfig(source);
@@ -155,7 +265,11 @@ export namespace sync {
 	        this.sourceConfig = this.convertValues(source["sourceConfig"], connection.ConnectionConfig);
 	        this.targetConfig = this.convertValues(source["targetConfig"], connection.ConnectionConfig);
 	        this.tables = source["tables"];
+	        this.content = source["content"];
 	        this.mode = source["mode"];
+	        this.jobId = source["jobId"];
+	        this.autoAddColumns = source["autoAddColumns"];
+	        this.tableOptions = this.convertValues(source["tableOptions"], TableOptions, true);
 	    }
 	
 		convertValues(a: any, classs: any, asMap: boolean = false): any {

go.mod

@@ -5,24 +5,58 @@ go 1.24.3
 require (
 	gitea.com/kingbase/gokb v0.0.0-20201021123113-29bd62a876c3
 	gitee.com/chunanyong/dm v1.8.22
+	github.com/ClickHouse/clickhouse-go/v2 v2.43.0
+	github.com/duckdb/duckdb-go/v2 v2.5.5
 	github.com/go-sql-driver/mysql v1.9.3
+	github.com/google/uuid v1.6.0
+	github.com/highgo/pq-sm3 v0.0.0
 	github.com/lib/pq v1.11.1
+	github.com/microsoft/go-mssqldb v1.9.6
+	github.com/redis/go-redis/v9 v9.17.3
 	github.com/sijms/go-ora/v2 v2.9.0
+	github.com/taosdata/driver-go/v3 v3.7.8
 	github.com/wailsapp/wails/v2 v2.11.0
+	github.com/xuri/excelize/v2 v2.10.0
+	go.mongodb.org/mongo-driver v1.17.9
+	go.mongodb.org/mongo-driver/v2 v2.5.0
 	golang.org/x/crypto v0.47.0
+	golang.org/x/mod v0.32.0
+	golang.org/x/net v0.49.0
+	golang.org/x/text v0.33.0
 	modernc.org/sqlite v1.44.3
 )
 
 require (
 	filippo.io/edwards25519 v1.1.0 // indirect
+	github.com/ClickHouse/ch-go v0.71.0 // indirect
+	github.com/andybalholm/brotli v1.2.0 // indirect
+	github.com/apache/arrow-go/v18 v18.5.1 // indirect
 	github.com/bep/debounce v1.2.1 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
+	github.com/duckdb/duckdb-go-bindings v0.3.3 // indirect
+	github.com/duckdb/duckdb-go-bindings/lib/darwin-amd64 v0.3.3 // indirect
+	github.com/duckdb/duckdb-go-bindings/lib/darwin-arm64 v0.3.3 // indirect
+	github.com/duckdb/duckdb-go-bindings/lib/linux-amd64 v0.3.3 // indirect
+	github.com/duckdb/duckdb-go-bindings/lib/linux-arm64 v0.3.3 // indirect
+	github.com/duckdb/duckdb-go-bindings/lib/windows-amd64 v0.3.3 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/go-faster/city v1.0.1 // indirect
+	github.com/go-faster/errors v0.7.1 // indirect
 	github.com/go-ole/go-ole v1.3.0 // indirect
+	github.com/go-viper/mapstructure/v2 v2.5.0 // indirect
+	github.com/goccy/go-json v0.10.5 // indirect
 	github.com/godbus/dbus/v5 v5.1.0 // indirect
-	github.com/golang/snappy v0.0.4 // indirect
-	github.com/google/uuid v1.6.0 // indirect
+	github.com/golang-sql/civil v0.0.0-20220223132316-b832511892a9 // indirect
+	github.com/golang-sql/sqlexp v0.1.0 // indirect
+	github.com/golang/snappy v1.0.0 // indirect
+	github.com/google/flatbuffers v25.12.19+incompatible // indirect
 	github.com/gorilla/websocket v1.5.3 // indirect
+	github.com/hashicorp/go-version v1.8.0 // indirect
 	github.com/jchv/go-winloader v0.0.0-20210711035445-715c2860da7e // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/compress v1.18.3 // indirect
+	github.com/klauspost/cpuid/v2 v2.3.0 // indirect
 	github.com/labstack/echo/v4 v4.13.3 // indirect
 	github.com/labstack/gommon v0.4.2 // indirect
 	github.com/leaanthony/go-ansi-parser v1.6.1 // indirect
@@ -31,22 +65,46 @@ require (
 	github.com/leaanthony/u v1.1.1 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/montanaflynn/stats v0.7.1 // indirect
 	github.com/ncruces/go-strftime v1.0.0 // indirect
+	github.com/paulmach/orb v0.12.0 // indirect
+	github.com/pierrec/lz4/v4 v4.1.25 // indirect
 	github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
+	github.com/richardlehane/mscfb v1.0.4 // indirect
+	github.com/richardlehane/msoleps v1.0.4 // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect
 	github.com/samber/lo v1.49.1 // indirect
+	github.com/segmentio/asm v1.2.1 // indirect
+	github.com/shopspring/decimal v1.4.0 // indirect
+	github.com/tiendc/go-deepcopy v1.7.1 // indirect
 	github.com/tkrajina/go-reflector v0.5.8 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/valyala/fasttemplate v1.2.2 // indirect
 	github.com/wailsapp/go-webview2 v1.0.22 // indirect
 	github.com/wailsapp/mimetype v1.4.1 // indirect
-	golang.org/x/exp v0.0.0-20251023183803-a4bb9ffd2546 // indirect
-	golang.org/x/net v0.48.0 // indirect
+	github.com/xdg-go/pbkdf2 v1.0.0 // indirect
+	github.com/xdg-go/scram v1.2.0 // indirect
+	github.com/xdg-go/stringprep v1.0.4 // indirect
+	github.com/xuri/efp v0.0.1 // indirect
+	github.com/xuri/nfp v0.0.2-0.20250530014748-2ddeb826f9a9 // indirect
+	github.com/youmark/pkcs8 v0.0.0-20240726163527-a2c0da244d78 // indirect
+	github.com/zeebo/xxh3 v1.1.0 // indirect
+	go.opentelemetry.io/otel v1.39.0 // indirect
+	go.opentelemetry.io/otel/trace v1.39.0 // indirect
+	go.yaml.in/yaml/v3 v3.0.4 // indirect
+	golang.org/x/exp v0.0.0-20260112195511-716be5621a96 // indirect
+	golang.org/x/sync v0.19.0 // indirect
 	golang.org/x/sys v0.40.0 // indirect
-	golang.org/x/text v0.33.0 // indirect
+	golang.org/x/telemetry v0.0.0-20260116145544-c6413dc483f5 // indirect
+	golang.org/x/tools v0.41.0 // indirect
+	golang.org/x/xerrors v0.0.0-20240903120638-7835f813f4da // indirect
 	modernc.org/libc v1.67.6 // indirect
 	modernc.org/mathutil v1.7.1 // indirect
 	modernc.org/memory v1.11.0 // indirect
 )
+
+replace github.com/highgo/pq-sm3 => ./third_party/highgo-pq

go.sum

@@ -4,31 +4,122 @@ gitea.com/kingbase/gokb v0.0.0-20201021123113-29bd62a876c3 h1:QjslQNaH5Nuap5i4ni
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 gitee.com/chunanyong/dm v1.8.22 h1:H7fsrnUIvEA0jlDWew7vwELry1ff+tLMIu2Fk2cIBSg=
 gitee.com/chunanyong/dm v1.8.22/go.mod h1:EPRJnuPFgbyOFgJ0TRYCTGzhq+ZT4wdyaj/GW/LLcNg=
+github.com/Azure/azure-sdk-for-go/sdk/azcore v1.18.0 h1:Gt0j3wceWMwPmiazCa8MzMA0MfhmPIz0Qp0FJ6qcM0U=
+github.com/Azure/azure-sdk-for-go/sdk/azcore v1.18.0/go.mod h1:Ot/6aikWnKWi4l9QB7qVSwa8iMphQNqkWALMoNT3rzM=
+github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.10.1 h1:B+blDbyVIG3WaikNxPnhPiJ1MThR03b3vKGtER95TP4=
+github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.10.1/go.mod h1:JdM5psgjfBf5fo2uWOZhflPWyDBZ/O/CNAH9CtsuZE4=
+github.com/Azure/azure-sdk-for-go/sdk/internal v1.11.1 h1:FPKJS1T+clwv+OLGt13a8UjqeRuh0O4SJ3lUriThc+4=
+github.com/Azure/azure-sdk-for-go/sdk/internal v1.11.1/go.mod h1:j2chePtV91HrC22tGoRX3sGY42uF13WzmmV80/OdVAA=
+github.com/Azure/azure-sdk-for-go/sdk/security/keyvault/azkeys v1.3.1 h1:Wgf5rZba3YZqeTNJPtvqZoBu1sBN/L4sry+u2U3Y75w=
+github.com/Azure/azure-sdk-for-go/sdk/security/keyvault/azkeys v1.3.1/go.mod h1:xxCBG/f/4Vbmh2XQJBsOmNdxWUY5j/s27jujKPbQf14=
+github.com/Azure/azure-sdk-for-go/sdk/security/keyvault/internal v1.1.1 h1:bFWuoEKg+gImo7pvkiQEFAc8ocibADgXeiLAxWhWmkI=
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+github.com/AzureAD/microsoft-authentication-library-for-go v1.4.2 h1:oygO0locgZJe7PpYPXT5A29ZkwJaPqcva7BVeemZOZs=
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+github.com/apache/arrow-go/v18 v18.5.1/go.mod h1:OCCJsmdq8AsRm8FkBSSmYTwL/s4zHW9CqxeBxEytkNE=
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 github.com/bep/debounce v1.2.1 h1:v67fRdBA9UQu2NhLFXrSg0Brw7CexQekrBwDMM8bzeY=
 github.com/bep/debounce v1.2.1/go.mod h1:H8yggRPQKLUhUoqrJC1bO2xNya7vanpDl7xR3ISbCJ0=
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
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 github.com/hashicorp/golang-lru/v2 v2.0.7/go.mod h1:QeFd9opnmA6QUJc5vARoKUSoFhyfM2/ZepoAG6RGpeM=
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 github.com/jchv/go-winloader v0.0.0-20210711035445-715c2860da7e/go.mod h1:alcuEEnZsY1WQsagKhZDsoPCRoOijYqhZvPwLG0kzVs=
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internal/app/app.go

@@ -2,24 +2,51 @@ package app
 
 import (
 	"context"
+	"crypto/sha256"
+	"encoding/hex"
+	"encoding/json"
+	"errors"
 	"fmt"
+	"net"
+	"strings"
 	"sync"
+	"time"
 
 	"GoNavi-Wails/internal/connection"
 	"GoNavi-Wails/internal/db"
+	"GoNavi-Wails/internal/logger"
+	proxytunnel "GoNavi-Wails/internal/proxy"
+	"github.com/google/uuid"
 )
 
+const dbCachePingInterval = 30 * time.Second
+
+type cachedDatabase struct {
+	inst     db.Database
+	lastPing time.Time
+}
+
+type queryContext struct {
+	cancel  context.CancelFunc
+	started time.Time
+}
+
 // App struct
 type App struct {
-	ctx     context.Context
-	dbCache map[string]db.Database // Cache for DB connections
-	mu      sync.Mutex             // Mutex for cache access
+	ctx            context.Context
+	dbCache        map[string]cachedDatabase // Cache for DB connections
+	mu             sync.RWMutex              // Mutex for cache access
+	updateMu       sync.Mutex
+	updateState    updateState
+	queryMu        sync.RWMutex
+	runningQueries map[string]queryContext // queryID -> cancelFunc and start time
 }
 
 // NewApp creates a new App application struct
 func NewApp() *App {
 	return &App{
-		dbCache: make(map[string]db.Database),
+		dbCache:        make(map[string]cachedDatabase),
+		runningQueries: make(map[string]queryContext),
 	}
 }
 
@@ -27,55 +54,467 @@ func NewApp() *App {
 // so we can call the runtime methods
 func (a *App) Startup(ctx context.Context) {
 	a.ctx = ctx
+	logger.Init()
+	applyMacWindowTranslucencyFix()
+	logger.Infof("应用启动完成")
+}
+
+// SetWindowTranslucency 动态调整 macOS 窗口透明度。
+// 前端在加载用户外观设置后、以及用户修改外观时调用此方法。
+// opacity=1.0 且 blur=0 时窗口标记为 opaque，GPU 不再持续计算窗口背后的模糊合成。
+func (a *App) SetWindowTranslucency(opacity float64, blur float64) {
+	setMacWindowTranslucency(opacity, blur)
 }
 
 // Shutdown is called when the app terminates
 func (a *App) Shutdown(ctx context.Context) {
+	logger.Infof("应用开始关闭，准备释放资源")
 	a.mu.Lock()
 	defer a.mu.Unlock()
 	for _, dbInst := range a.dbCache {
-		dbInst.Close()
+		if err := dbInst.inst.Close(); err != nil {
+			logger.Error(err, "关闭数据库连接失败")
+		}
 	}
+	proxytunnel.CloseAllForwarders()
+	// Close all Redis connections
+	CloseAllRedisClients()
+	logger.Infof("资源释放完成，应用已关闭")
+	logger.Close()
+}
+
+func normalizeCacheKeyConfig(config connection.ConnectionConfig) connection.ConnectionConfig {
+	normalized := config
+	normalized.Type = strings.ToLower(strings.TrimSpace(normalized.Type))
+	// timeout 仅用于 Query/Ping 控制，不应作为物理连接复用键的一部分。
+	normalized.Timeout = 0
+	normalized.SavePassword = false
+
+	if !normalized.UseSSH {
+		normalized.SSH = connection.SSHConfig{}
+	}
+	if !normalized.UseProxy {
+		normalized.Proxy = connection.ProxyConfig{}
+	}
+
+	if isFileDatabaseType(normalized.Type) {
+		dsn := strings.TrimSpace(normalized.Host)
+		if dsn == "" {
+			dsn = strings.TrimSpace(normalized.Database)
+		}
+		if dsn == "" {
+			dsn = ":memory:"
+		}
+
+		// DuckDB/SQLite 仅基于文件来源识别连接，其他网络字段不参与键计算。
+		normalized.Host = dsn
+		normalized.Database = ""
+		normalized.Port = 0
+		normalized.User = ""
+		normalized.Password = ""
+		normalized.URI = ""
+		normalized.Hosts = nil
+		normalized.Topology = ""
+		normalized.MySQLReplicaUser = ""
+		normalized.MySQLReplicaPassword = ""
+		normalized.ReplicaSet = ""
+		normalized.AuthSource = ""
+		normalized.ReadPreference = ""
+		normalized.MongoSRV = false
+		normalized.MongoAuthMechanism = ""
+		normalized.MongoReplicaUser = ""
+		normalized.MongoReplicaPassword = ""
+	}
+
+	return normalized
+}
+
+func resolveFileDatabaseDSN(config connection.ConnectionConfig) string {
+	dsn := strings.TrimSpace(config.Host)
+	if dsn == "" {
+		dsn = strings.TrimSpace(config.Database)
+	}
+	if dsn == "" {
+		dsn = ":memory:"
+	}
+	return dsn
 }
 
 // Helper: Generate a unique key for the connection config
 func getCacheKey(config connection.ConnectionConfig) string {
-	sshPart := ""
-	if config.UseSSH {
-		sshPart = fmt.Sprintf("|ssh:%s@%s:%d|%s", config.SSH.User, config.SSH.Host, config.SSH.Port, config.SSH.KeyPath)
-		// We don't include SSH password in key string to avoid log exposure if key is logged, 
-		// but for cache uniqueness it is critical. 
-		// Let's include a hash or just the value if we assume internal use.
-		// Including value for correctness.
-		sshPart += "|" + config.SSH.Password
-	}
-	return fmt.Sprintf("%s|%s:%s@%s:%d|%s%s", config.Type, config.User, config.Password, config.Host, config.Port, config.Database, sshPart)
+	normalized := normalizeCacheKeyConfig(config)
+	b, _ := json.Marshal(normalized)
+	sum := sha256.Sum256(b)
+	return hex.EncodeToString(sum[:])
 }
 
-// Helper: Get or create a database connection
-func (a *App) getDatabase(config connection.ConnectionConfig) (db.Database, error) {
-	key := getCacheKey(config)
+func shortCacheKey(cacheKey string) string {
+	shortKey := cacheKey
+	if len(shortKey) > 12 {
+		shortKey = shortKey[:12]
+	}
+	return shortKey
+}
+
+func shouldRefreshCachedConnection(err error) bool {
+	if err == nil {
+		return false
+	}
+	normalized := strings.ToLower(normalizeErrorMessage(err))
+	if normalized == "" {
+		return false
+	}
+
+	patterns := []string{
+		"invalid connection",
+		"bad connection",
+		"database is closed",
+		"connection is already closed",
+		"use of closed network connection",
+		"broken pipe",
+		"connection reset by peer",
+		"server has gone away",
+		"eof",
+	}
+	for _, pattern := range patterns {
+		if strings.Contains(normalized, pattern) {
+			return true
+		}
+	}
+	return false
+}
+
+func (a *App) invalidateCachedDatabase(config connection.ConnectionConfig, reason error) bool {
+	effectiveConfig := applyGlobalProxyToConnection(config)
+	key := getCacheKey(effectiveConfig)
+	shortKey := shortCacheKey(key)
 
 	a.mu.Lock()
 	defer a.mu.Unlock()
 
-	if dbInst, ok := a.dbCache[key]; ok {
-		if err := dbInst.Ping(); err == nil {
-			return dbInst, nil
-		}
-		dbInst.Close()
-		delete(a.dbCache, key)
+	entry, exists := a.dbCache[key]
+	if !exists || entry.inst == nil {
+		return false
 	}
 
-	dbInst, err := db.NewDatabase(config.Type)
+	if closeErr := entry.inst.Close(); closeErr != nil {
+		logger.Error(closeErr, "关闭失效缓存连接失败：缓存Key=%s", shortKey)
+	}
+	delete(a.dbCache, key)
+	if reason != nil {
+		logger.Errorf("检测到连接失效，已清理缓存连接：%s 缓存Key=%s 原因=%s", formatConnSummary(effectiveConfig), shortKey, normalizeErrorMessage(reason))
+	} else {
+		logger.Infof("已清理缓存连接：%s 缓存Key=%s", formatConnSummary(effectiveConfig), shortKey)
+	}
+	return true
+}
+
+func wrapConnectError(config connection.ConnectionConfig, err error) error {
+	if err == nil {
+		return nil
+	}
+
+	var netErr net.Error
+	if errors.Is(err, context.DeadlineExceeded) || (errors.As(err, &netErr) && netErr.Timeout()) {
+		dbName := config.Database
+		if dbName == "" {
+			dbName = "(default)"
+		}
+		err = fmt.Errorf("数据库连接超时：%s %s:%d/%s：%w", config.Type, config.Host, config.Port, dbName, err)
+	}
+
+	return withLogHint{err: err, logPath: logger.Path()}
+}
+
+type withLogHint struct {
+	err     error
+	logPath string
+}
+
+func (e withLogHint) Error() string {
+	message := normalizeErrorMessage(e.err)
+	if strings.TrimSpace(e.logPath) == "" {
+		return message
+	}
+	return fmt.Sprintf("%s（详细日志：%s）", message, e.logPath)
+}
+
+func (e withLogHint) Unwrap() error {
+	return e.err
+}
+
+func formatConnSummary(config connection.ConnectionConfig) string {
+	timeoutSeconds := config.Timeout
+	if timeoutSeconds <= 0 {
+		timeoutSeconds = 30
+	}
+
+	dbName := config.Database
+	if strings.TrimSpace(dbName) == "" {
+		dbName = "(default)"
+	}
+
+	var b strings.Builder
+	normalizedType := strings.ToLower(strings.TrimSpace(config.Type))
+	if normalizedType == "sqlite" || normalizedType == "duckdb" {
+		path := strings.TrimSpace(config.Host)
+		if path == "" {
+			path = "(未配置)"
+		}
+		b.WriteString(fmt.Sprintf("类型=%s 路径=%s 超时=%ds", config.Type, path, timeoutSeconds))
+	} else {
+		b.WriteString(fmt.Sprintf("类型=%s 地址=%s:%d 数据库=%s 用户=%s 超时=%ds",
+			config.Type, config.Host, config.Port, dbName, config.User, timeoutSeconds))
+	}
+
+	if len(config.Hosts) > 0 {
+		b.WriteString(fmt.Sprintf(" 节点数=%d", len(config.Hosts)))
+	}
+	if strings.TrimSpace(config.Topology) != "" {
+		b.WriteString(fmt.Sprintf(" 拓扑=%s", strings.TrimSpace(config.Topology)))
+	}
+	if strings.TrimSpace(config.URI) != "" {
+		b.WriteString(fmt.Sprintf(" URI=已配置(长度=%d)", len(config.URI)))
+	}
+	if strings.TrimSpace(config.MySQLReplicaUser) != "" {
+		b.WriteString(" MySQL从库凭据=已配置")
+	}
+	if strings.EqualFold(strings.TrimSpace(config.Type), "mongodb") {
+		if strings.TrimSpace(config.MongoReplicaUser) != "" {
+			b.WriteString(" Mongo从库凭据=已配置")
+		}
+		if strings.TrimSpace(config.ReplicaSet) != "" {
+			b.WriteString(fmt.Sprintf(" 副本集=%s", strings.TrimSpace(config.ReplicaSet)))
+		}
+		if strings.TrimSpace(config.ReadPreference) != "" {
+			b.WriteString(fmt.Sprintf(" 读偏好=%s", strings.TrimSpace(config.ReadPreference)))
+		}
+		if strings.TrimSpace(config.AuthSource) != "" {
+			b.WriteString(fmt.Sprintf(" 认证库=%s", strings.TrimSpace(config.AuthSource)))
+		}
+	}
+
+	if config.UseSSH {
+		b.WriteString(fmt.Sprintf(" SSH=%s:%d 用户=%s", config.SSH.Host, config.SSH.Port, config.SSH.User))
+	}
+	if config.UseProxy {
+		b.WriteString(fmt.Sprintf(" 代理=%s://%s:%d", strings.ToLower(strings.TrimSpace(config.Proxy.Type)), config.Proxy.Host, config.Proxy.Port))
+		if strings.TrimSpace(config.Proxy.User) != "" {
+			b.WriteString(" 代理认证=已配置")
+		}
+	}
+
+	if config.Type == "custom" {
+		driver := strings.TrimSpace(config.Driver)
+		if driver == "" {
+			driver = "(未配置)"
+		}
+		dsnState := "未配置"
+		if strings.TrimSpace(config.DSN) != "" {
+			dsnState = fmt.Sprintf("已配置(长度=%d)", len(config.DSN))
+		}
+		b.WriteString(fmt.Sprintf(" 驱动=%s DSN=%s", driver, dsnState))
+	}
+
+	return b.String()
+}
+
+func (a *App) getDatabaseForcePing(config connection.ConnectionConfig) (db.Database, error) {
+	return a.getDatabaseWithPing(config, true)
+}
+
+// Helper: Get or create a database connection
+func (a *App) getDatabase(config connection.ConnectionConfig) (db.Database, error) {
+	return a.getDatabaseWithPing(config, false)
+}
+
+func (a *App) openDatabaseIsolated(config connection.ConnectionConfig) (db.Database, error) {
+	effectiveConfig := applyGlobalProxyToConnection(config)
+	if supported, reason := db.DriverRuntimeSupportStatus(effectiveConfig.Type); !supported {
+		if strings.TrimSpace(reason) == "" {
+			reason = fmt.Sprintf("%s 驱动未启用，请先在驱动管理中安装启用", strings.TrimSpace(effectiveConfig.Type))
+		}
+		return nil, withLogHint{err: fmt.Errorf("%s", reason), logPath: logger.Path()}
+	}
+
+	dbInst, err := db.NewDatabase(effectiveConfig.Type)
 	if err != nil {
 		return nil, err
 	}
 
-	if err := dbInst.Connect(config); err != nil {
+	connectConfig, proxyErr := resolveDialConfigWithProxy(effectiveConfig)
+	if proxyErr != nil {
+		_ = dbInst.Close()
+		return nil, wrapConnectError(effectiveConfig, proxyErr)
+	}
+	if err := dbInst.Connect(connectConfig); err != nil {
+		_ = dbInst.Close()
+		return nil, wrapConnectError(effectiveConfig, err)
+	}
+	return dbInst, nil
+}
+
+func (a *App) getDatabaseWithPing(config connection.ConnectionConfig, forcePing bool) (db.Database, error) {
+	effectiveConfig := applyGlobalProxyToConnection(config)
+	isFileDB := isFileDatabaseType(effectiveConfig.Type)
+
+	key := getCacheKey(effectiveConfig)
+	shortKey := key
+	if len(shortKey) > 12 {
+		shortKey = shortKey[:12]
+	}
+	if isFileDB {
+		rawDSN := resolveFileDatabaseDSN(effectiveConfig)
+		normalizedDSN := resolveFileDatabaseDSN(normalizeCacheKeyConfig(effectiveConfig))
+		logger.Infof("文件库连接缓存探测：类型=%s 原始DSN=%s 归一化DSN=%s timeout=%ds forcePing=%t 缓存Key=%s",
+			strings.TrimSpace(effectiveConfig.Type), rawDSN, normalizedDSN, effectiveConfig.Timeout, forcePing, shortKey)
+	}
+
+	if supported, reason := db.DriverRuntimeSupportStatus(effectiveConfig.Type); !supported {
+		if strings.TrimSpace(reason) == "" {
+			reason = fmt.Sprintf("%s 驱动未启用，请先在驱动管理中安装启用", strings.TrimSpace(effectiveConfig.Type))
+		}
+		// Best-effort cleanup: if cached instance exists for this exact config, close it.
+		a.mu.Lock()
+		if cur, exists := a.dbCache[key]; exists && cur.inst != nil {
+			_ = cur.inst.Close()
+			delete(a.dbCache, key)
+		}
+		a.mu.Unlock()
+		return nil, withLogHint{err: fmt.Errorf("%s", reason), logPath: logger.Path()}
+	}
+
+	a.mu.RLock()
+	entry, ok := a.dbCache[key]
+	a.mu.RUnlock()
+	if ok {
+		if isFileDB {
+			logger.Infof("命中文件库连接缓存：类型=%s 缓存Key=%s", strings.TrimSpace(effectiveConfig.Type), shortKey)
+		}
+		needPing := forcePing
+		if !needPing {
+			lastPing := entry.lastPing
+			if lastPing.IsZero() || time.Since(lastPing) >= dbCachePingInterval {
+				needPing = true
+			}
+		}
+
+		if !needPing {
+			if isFileDB {
+				logger.Infof("复用文件库连接缓存（免 Ping）：类型=%s 缓存Key=%s", strings.TrimSpace(effectiveConfig.Type), shortKey)
+			}
+			return entry.inst, nil
+		}
+
+		if err := entry.inst.Ping(); err == nil {
+			// Update lastPing (best effort)
+			a.mu.Lock()
+			if cur, exists := a.dbCache[key]; exists && cur.inst == entry.inst {
+				cur.lastPing = time.Now()
+				a.dbCache[key] = cur
+			}
+			a.mu.Unlock()
+			if isFileDB {
+				logger.Infof("复用文件库连接缓存（Ping 成功）：类型=%s 缓存Key=%s", strings.TrimSpace(effectiveConfig.Type), shortKey)
+			}
+			return entry.inst, nil
+		} else {
+			logger.Error(err, "缓存连接不可用，准备重建：%s 缓存Key=%s", formatConnSummary(effectiveConfig), shortKey)
+		}
+
+		// Ping failed: remove cached instance (best effort)
+		a.mu.Lock()
+		if cur, exists := a.dbCache[key]; exists && cur.inst == entry.inst {
+			if err := cur.inst.Close(); err != nil {
+				logger.Error(err, "关闭失效缓存连接失败：缓存Key=%s", shortKey)
+			}
+			delete(a.dbCache, key)
+		}
+		a.mu.Unlock()
+		if isFileDB {
+			logger.Infof("文件库缓存连接已剔除，准备新建连接：类型=%s 缓存Key=%s", strings.TrimSpace(effectiveConfig.Type), shortKey)
+		}
+	}
+	if isFileDB {
+		logger.Infof("未命中文件库连接缓存，开始创建连接：类型=%s 缓存Key=%s", strings.TrimSpace(effectiveConfig.Type), shortKey)
+	}
+
+	logger.Infof("获取数据库连接：%s 缓存Key=%s", formatConnSummary(effectiveConfig), shortKey)
+	logger.Infof("创建数据库驱动实例：类型=%s 缓存Key=%s", effectiveConfig.Type, shortKey)
+	dbInst, err := db.NewDatabase(effectiveConfig.Type)
+	if err != nil {
+		logger.Error(err, "创建数据库驱动实例失败：类型=%s 缓存Key=%s", effectiveConfig.Type, shortKey)
 		return nil, err
 	}
 
-	a.dbCache[key] = dbInst
+	connectConfig, proxyErr := resolveDialConfigWithProxy(effectiveConfig)
+	if proxyErr != nil {
+		wrapped := wrapConnectError(effectiveConfig, proxyErr)
+		logger.Error(wrapped, "连接代理准备失败：%s 缓存Key=%s", formatConnSummary(effectiveConfig), shortKey)
+		return nil, wrapped
+	}
+
+	if err := dbInst.Connect(connectConfig); err != nil {
+		wrapped := wrapConnectError(effectiveConfig, err)
+		logger.Error(wrapped, "建立数据库连接失败：%s 缓存Key=%s", formatConnSummary(effectiveConfig), shortKey)
+		return nil, wrapped
+	}
+
+	now := time.Now()
+
+	a.mu.Lock()
+	if existing, exists := a.dbCache[key]; exists && existing.inst != nil {
+		a.mu.Unlock()
+		// Prefer existing cached connection to avoid cache racing duplicates.
+		_ = dbInst.Close()
+		if isFileDB {
+			logger.Infof("并发创建命中已存在文件库连接，关闭新建连接并复用缓存：类型=%s 缓存Key=%s", strings.TrimSpace(effectiveConfig.Type), shortKey)
+		}
+		return existing.inst, nil
+	}
+	a.dbCache[key] = cachedDatabase{inst: dbInst, lastPing: now}
+	a.mu.Unlock()
+
+	logger.Infof("数据库连接成功并写入缓存：%s 缓存Key=%s", formatConnSummary(effectiveConfig), shortKey)
 	return dbInst, nil
 }
+
+// generateQueryID generates a unique ID for a query using UUID v4
+func generateQueryID() string {
+	return "query-" + uuid.New().String()
+}
+
+// CancelQuery cancels a running query by its ID
+func (a *App) CancelQuery(queryID string) connection.QueryResult {
+	a.queryMu.Lock()
+	defer a.queryMu.Unlock()
+
+	if ctx, exists := a.runningQueries[queryID]; exists {
+		ctx.cancel()
+		delete(a.runningQueries, queryID)
+		logger.Infof("查询已取消：queryID=%s", queryID)
+		return connection.QueryResult{Success: true, Message: "查询已取消"}
+	}
+	logger.Warnf("取消查询失败：queryID=%s 不存在或已完成", queryID)
+	return connection.QueryResult{Success: false, Message: "查询不存在或已完成"}
+}
+
+// CleanupStaleQueries removes queries older than maxAge
+func (a *App) CleanupStaleQueries(maxAge time.Duration) {
+	a.queryMu.Lock()
+	defer a.queryMu.Unlock()
+
+	now := time.Now()
+	for id, ctx := range a.runningQueries {
+		if now.Sub(ctx.started) > maxAge {
+			// Query likely finished or stuck, remove from tracking
+			delete(a.runningQueries, id)
+			// Query expired, silently remove
+		}
+	}
+}
+
+// GenerateQueryID generates a unique query ID for cancellation tracking
+func (a *App) GenerateQueryID() string {
+	return generateQueryID()
+}

internal/app/app_cache_key_test.go

@@ -0,0 +1,63 @@
+package app
+
+import (
+	"testing"
+
+	"GoNavi-Wails/internal/connection"
+)
+
+func TestGetCacheKey_IgnoreTimeout(t *testing.T) {
+	base := connection.ConnectionConfig{
+		Type:     "duckdb",
+		Host:     `C:\data\songs.duckdb`,
+		Timeout:  30,
+		UseProxy: false,
+		UseSSH:   false,
+	}
+	modified := base
+	modified.Timeout = 120
+
+	left := getCacheKey(base)
+	right := getCacheKey(modified)
+	if left != right {
+		t.Fatalf("expected same cache key when only timeout differs, got %s vs %s", left, right)
+	}
+}
+
+func TestGetCacheKey_DuckDBHostAndDatabaseEquivalent(t *testing.T) {
+	withHost := connection.ConnectionConfig{
+		Type: "duckdb",
+		Host: `D:\music\songs.duckdb`,
+	}
+	withDatabase := connection.ConnectionConfig{
+		Type:     "duckdb",
+		Database: `D:\music\songs.duckdb`,
+	}
+
+	left := getCacheKey(withHost)
+	right := getCacheKey(withDatabase)
+	if left != right {
+		t.Fatalf("expected same cache key for duckdb host/database path, got %s vs %s", left, right)
+	}
+}
+
+func TestGetCacheKey_KeepDatabaseIsolation(t *testing.T) {
+	a := connection.ConnectionConfig{
+		Type:     "mysql",
+		Host:     "127.0.0.1",
+		Port:     3306,
+		User:     "root",
+		Password: "root",
+		Database: "db_a",
+		Timeout:  30,
+	}
+	b := a
+	b.Database = "db_b"
+	b.Timeout = 5
+
+	left := getCacheKey(a)
+	right := getCacheKey(b)
+	if left == right {
+		t.Fatalf("expected different cache key for different database targets")
+	}
+}

internal/app/db_context.go

@@ -0,0 +1,66 @@
+package app
+
+import (
+	"strings"
+
+	"GoNavi-Wails/internal/connection"
+)
+
+func normalizeRunConfig(config connection.ConnectionConfig, dbName string) connection.ConnectionConfig {
+	runConfig := config
+	name := strings.TrimSpace(dbName)
+	if name == "" {
+		return runConfig
+	}
+
+	switch strings.ToLower(strings.TrimSpace(config.Type)) {
+	case "mysql", "mariadb", "diros", "sphinx", "postgres", "kingbase", "highgo", "vastbase", "sqlserver", "mongodb", "tdengine", "clickhouse":
+		// 这些类型的 dbName 表示"数据库"，需要写入连接配置以选择目标库。
+		runConfig.Database = name
+	case "dameng":
+		// 达梦使用 schema 参数，沿用现有行为：dbName 表示 schema。
+		runConfig.Database = name
+	default:
+		// oracle: dbName 表示 schema/owner，不能覆盖 config.Database（服务名）
+		// sqlite: 无需设置 Database
+		// custom: 语义不明确，避免污染缓存 key
+	}
+
+	return runConfig
+}
+
+func normalizeSchemaAndTable(config connection.ConnectionConfig, dbName string, tableName string) (string, string) {
+	rawTable := strings.TrimSpace(tableName)
+	rawDB := strings.TrimSpace(dbName)
+	if rawTable == "" {
+		return rawDB, rawTable
+	}
+
+	dbType := strings.ToLower(strings.TrimSpace(config.Type))
+	if dbType == "sqlserver" {
+		// SQL Server 的 DB 接口约定：第一个参数是数据库名，schema 由 tableName(如 dbo.users) 自行解析。
+		// 不能把 schema(dbo) 传到第一个参数，否则会拼出 dbo.sys.columns 等无效对象名。
+		targetDB := rawDB
+		if targetDB == "" {
+			targetDB = strings.TrimSpace(config.Database)
+		}
+		return targetDB, rawTable
+	}
+
+	if parts := strings.SplitN(rawTable, ".", 2); len(parts) == 2 {
+		schema := strings.TrimSpace(parts[0])
+		table := strings.TrimSpace(parts[1])
+		if schema != "" && table != "" {
+			return schema, table
+		}
+	}
+
+	switch dbType {
+	case "postgres", "kingbase", "highgo", "vastbase":
+		// PG/金仓/瀚高/海量：dbName 在 UI 里是"数据库"，schema 需从 tableName 或使用默认 public。
+		return "public", rawTable
+	default:
+		// MySQL：dbName 表示数据库；Oracle/达梦：dbName 表示 schema/owner。
+		return rawDB, rawTable
+	}
+}

internal/app/db_context_test.go

@@ -0,0 +1,51 @@
+package app
+
+import (
+	"testing"
+
+	"GoNavi-Wails/internal/connection"
+)
+
+func TestNormalizeSchemaAndTable_SQLServerKeepsDatabaseAndQualifiedTable(t *testing.T) {
+	t.Parallel()
+
+	schemaOrDb, table := normalizeSchemaAndTable(connection.ConnectionConfig{
+		Type:     "sqlserver",
+		Database: "master",
+	}, "biz_db", "dbo.users")
+
+	if schemaOrDb != "biz_db" {
+		t.Fatalf("expected sqlserver first return value as database name, got %q", schemaOrDb)
+	}
+	if table != "dbo.users" {
+		t.Fatalf("expected sqlserver table name keep qualified form, got %q", table)
+	}
+}
+
+func TestNormalizeSchemaAndTable_SQLServerFallbackToConfigDatabase(t *testing.T) {
+	t.Parallel()
+
+	schemaOrDb, table := normalizeSchemaAndTable(connection.ConnectionConfig{
+		Type:     "sqlserver",
+		Database: "biz_db",
+	}, "", "dbo.users")
+
+	if schemaOrDb != "biz_db" {
+		t.Fatalf("expected sqlserver fallback database from config, got %q", schemaOrDb)
+	}
+	if table != "dbo.users" {
+		t.Fatalf("expected sqlserver table name keep qualified form, got %q", table)
+	}
+}
+
+func TestNormalizeSchemaAndTable_PostgresStillSplitsQualifiedName(t *testing.T) {
+	t.Parallel()
+
+	schema, table := normalizeSchemaAndTable(connection.ConnectionConfig{
+		Type: "postgres",
+	}, "demo_db", "public.orders")
+
+	if schema != "public" || table != "orders" {
+		t.Fatalf("expected postgres qualified split to public.orders, got %q.%q", schema, table)
+	}
+}

internal/app/db_proxy.go

@@ -0,0 +1,204 @@
+package app
+
+import (
+	"fmt"
+	"net"
+	"strconv"
+	"strings"
+
+	"GoNavi-Wails/internal/connection"
+	proxytunnel "GoNavi-Wails/internal/proxy"
+)
+
+func resolveDialConfigWithProxy(raw connection.ConnectionConfig) (connection.ConnectionConfig, error) {
+	config := raw
+	if !config.UseProxy {
+		config.Proxy = connection.ProxyConfig{}
+		return config, nil
+	}
+
+	normalizedProxy, err := proxytunnel.NormalizeConfig(config.Proxy)
+	if err != nil {
+		return connection.ConnectionConfig{}, err
+	}
+	config.Proxy = normalizedProxy
+
+	if config.UseSSH {
+		sshPort := config.SSH.Port
+		if sshPort <= 0 {
+			sshPort = 22
+		}
+		forwardedSSH, err := buildProxyForwardAddress(normalizedProxy, strings.TrimSpace(config.SSH.Host), sshPort)
+		if err != nil {
+			return connection.ConnectionConfig{}, fmt.Errorf("代理连接 SSH 网关失败：%w", err)
+		}
+		config.SSH.Host = forwardedSSH.host
+		config.SSH.Port = forwardedSSH.port
+		config.UseProxy = false
+		config.Proxy = connection.ProxyConfig{}
+		return config, nil
+	}
+
+	normalizedType := strings.ToLower(strings.TrimSpace(config.Type))
+	if normalizedType == "sqlite" || normalizedType == "duckdb" || normalizedType == "custom" {
+		// 文件型/自定义 DSN 类型不走标准 host:port，不在此层改写。
+		return config, nil
+	}
+	if normalizedType == "mongodb" && config.MongoSRV {
+		// Mongo SRV 由驱动侧 Dialer 处理代理，避免破坏 DNS SRV 拓扑发现。
+		return config, nil
+	}
+
+	targetPort := config.Port
+	if targetPort <= 0 {
+		targetPort = defaultPortByType(normalizedType)
+	}
+	forwardedPrimary, err := buildProxyForwardAddress(normalizedProxy, strings.TrimSpace(config.Host), targetPort)
+	if err != nil {
+		return connection.ConnectionConfig{}, err
+	}
+	config.Host = forwardedPrimary.host
+	config.Port = forwardedPrimary.port
+
+	if len(config.Hosts) > 0 {
+		rewritten := make([]string, 0, len(config.Hosts))
+		seen := make(map[string]struct{}, len(config.Hosts))
+		for _, rawEntry := range config.Hosts {
+			targetHost, targetPort, ok := parseAddressWithDefaultPort(rawEntry, defaultPortByType(normalizedType))
+			if !ok {
+				continue
+			}
+			forwarded, forwardErr := buildProxyForwardAddress(normalizedProxy, targetHost, targetPort)
+			if forwardErr != nil {
+				return connection.ConnectionConfig{}, forwardErr
+			}
+			rewrittenAddress := formatHostPort(forwarded.host, forwarded.port)
+			if _, exists := seen[rewrittenAddress]; exists {
+				continue
+			}
+			seen[rewrittenAddress] = struct{}{}
+			rewritten = append(rewritten, rewrittenAddress)
+		}
+		config.Hosts = rewritten
+	}
+
+	config.UseProxy = false
+	config.Proxy = connection.ProxyConfig{}
+	return config, nil
+}
+
+type hostPort struct {
+	host string
+	port int
+}
+
+func buildProxyForwardAddress(proxyConfig connection.ProxyConfig, targetHost string, targetPort int) (hostPort, error) {
+	host := strings.TrimSpace(targetHost)
+	if host == "" {
+		host = "localhost"
+	}
+	port := targetPort
+	if port <= 0 {
+		return hostPort{}, fmt.Errorf("目标端口无效：%d", targetPort)
+	}
+
+	forwarder, err := proxytunnel.GetOrCreateLocalForwarder(proxyConfig, host, port)
+	if err != nil {
+		return hostPort{}, err
+	}
+	localHost, localPort, splitOK := parseAddressWithDefaultPort(forwarder.LocalAddr, 0)
+	if !splitOK || localPort <= 0 {
+		return hostPort{}, fmt.Errorf("解析代理本地转发地址失败：%s", forwarder.LocalAddr)
+	}
+	return hostPort{host: localHost, port: localPort}, nil
+}
+
+func parseAddressWithDefaultPort(raw string, defaultPort int) (string, int, bool) {
+	text := strings.TrimSpace(raw)
+	if text == "" {
+		return "", 0, false
+	}
+
+	if strings.HasPrefix(text, "[") {
+		if host, portText, err := net.SplitHostPort(text); err == nil {
+			if port, convErr := strconv.Atoi(portText); convErr == nil && port > 0 && port <= 65535 {
+				return strings.TrimSpace(host), port, true
+			}
+			return "", 0, false
+		}
+		trimmed := strings.Trim(strings.TrimPrefix(text, "["), "]")
+		if trimmed != "" && defaultPort > 0 {
+			return trimmed, defaultPort, true
+		}
+		return "", 0, false
+	}
+
+	if strings.Count(text, ":") == 0 {
+		if defaultPort <= 0 {
+			return "", 0, false
+		}
+		return text, defaultPort, true
+	}
+
+	if strings.Count(text, ":") == 1 {
+		host, portText, err := net.SplitHostPort(text)
+		if err == nil {
+			port, convErr := strconv.Atoi(portText)
+			if convErr == nil && port > 0 && port <= 65535 {
+				return strings.TrimSpace(host), port, true
+			}
+			return "", 0, false
+		}
+		if defaultPort > 0 {
+			return strings.TrimSpace(text), defaultPort, true
+		}
+		return "", 0, false
+	}
+
+	// IPv6 地址未带端口，使用默认端口。
+	if defaultPort > 0 {
+		return text, defaultPort, true
+	}
+	return "", 0, false
+}
+
+func formatHostPort(host string, port int) string {
+	h := strings.TrimSpace(host)
+	if strings.Contains(h, ":") && !strings.HasPrefix(h, "[") {
+		return fmt.Sprintf("[%s]:%d", h, port)
+	}
+	return fmt.Sprintf("%s:%d", h, port)
+}
+
+func defaultPortByType(driverType string) int {
+	switch strings.ToLower(strings.TrimSpace(driverType)) {
+	case "mysql", "mariadb":
+		return 3306
+	case "diros":
+		return 9030
+	case "sphinx":
+		return 9306
+	case "postgres", "vastbase":
+		return 5432
+	case "redis":
+		return 6379
+	case "tdengine":
+		return 6041
+	case "oracle":
+		return 1521
+	case "dameng":
+		return 5236
+	case "kingbase":
+		return 54321
+	case "sqlserver":
+		return 1433
+	case "mongodb":
+		return 27017
+	case "clickhouse":
+		return 9000
+	case "highgo":
+		return 5866
+	default:
+		return 0
+	}
+}

internal/app/error_text.go

@@ -0,0 +1,100 @@
+package app
+
+import (
+	"strings"
+	"unicode"
+	"unicode/utf8"
+
+	"golang.org/x/text/encoding/simplifiedchinese"
+	"golang.org/x/text/transform"
+)
+
+func normalizeErrorMessage(err error) string {
+	if err == nil {
+		return ""
+	}
+	return normalizeMixedEncodingText(err.Error())
+}
+
+func normalizeMixedEncodingText(text string) string {
+	if text == "" {
+		return text
+	}
+
+	raw := []byte(text)
+	output := make([]byte, 0, len(raw)+16)
+	suspect := make([]byte, 0, 16)
+
+	flushSuspect := func() {
+		if len(suspect) == 0 {
+			return
+		}
+
+		fallback := strings.ToValidUTF8(string(suspect), "<22>")
+		decoded, _, err := transform.Bytes(simplifiedchinese.GB18030.NewDecoder(), suspect)
+		if err == nil && utf8.Valid(decoded) {
+			candidate := string(decoded)
+			if scoreDecodedText(candidate) > scoreDecodedText(fallback) {
+				output = append(output, []byte(candidate)...)
+			} else {
+				output = append(output, []byte(fallback)...)
+			}
+		} else {
+			output = append(output, []byte(fallback)...)
+		}
+
+		suspect = suspect[:0]
+	}
+
+	for len(raw) > 0 {
+		r, size := utf8.DecodeRune(raw)
+		if r == utf8.RuneError && size == 1 {
+			suspect = append(suspect, raw[0])
+			raw = raw[1:]
+			continue
+		}
+
+		if isLikelyMojibakeRune(r) {
+			suspect = append(suspect, raw[:size]...)
+		} else {
+			flushSuspect()
+			output = append(output, raw[:size]...)
+		}
+		raw = raw[size:]
+	}
+
+	flushSuspect()
+	return string(output)
+}
+
+func isLikelyMojibakeRune(r rune) bool {
+	if r == utf8.RuneError {
+		return true
+	}
+	if r >= 0x00C0 && r <= 0x02FF {
+		return true
+	}
+	if unicode.In(r, unicode.Hebrew, unicode.Arabic, unicode.Cyrillic, unicode.Greek) {
+		return true
+	}
+	return false
+}
+
+func scoreDecodedText(text string) int {
+	score := 0
+	for _, r := range text {
+		switch {
+		case r == '<27>':
+			score -= 6
+		case unicode.Is(unicode.Han, r):
+			score += 4
+		case isLikelyMojibakeRune(r):
+			score -= 3
+		case unicode.IsPrint(r):
+			score += 1
+		default:
+			score -= 2
+		}
+	}
+	return score
+}

internal/app/error_text_test.go

@@ -0,0 +1,25 @@
+package app
+
+import "testing"
+
+func TestNormalizeMixedEncodingText_GBKErrorMessage(t *testing.T) {
+	raw := []byte("pq: ")
+	raw = append(raw, 0xD3, 0xC3, 0xBB, 0xA7) // 用户
+	raw = append(raw, []byte(` "root" Password `)...)
+	raw = append(raw, 0xC8, 0xCF, 0xD6, 0xA4, 0xCA, 0xA7, 0xB0, 0xDC) // 认证失败
+	raw = append(raw, []byte(" (28P01)")...)
+
+	got := normalizeMixedEncodingText(string(raw))
+	want := `pq: 用户 "root" Password 认证失败 (28P01)`
+	if got != want {
+		t.Fatalf("normalizeMixedEncodingText() mismatch\nwant: %q\ngot:  %q", want, got)
+	}
+}
+
+func TestNormalizeMixedEncodingText_KeepUTF8(t *testing.T) {
+	input := `连接建立后验证失败：pq: password authentication failed for user "root"`
+	got := normalizeMixedEncodingText(input)
+	if got != input {
+		t.Fatalf("expected unchanged utf8 text, got: %q", got)
+	}
+}

internal/app/global_proxy.go

@@ -0,0 +1,291 @@
+package app
+
+import (
+	"crypto/tls"
+	"crypto/x509"
+	"errors"
+	"fmt"
+	"net"
+	"net/http"
+	"net/url"
+	"strconv"
+	"strings"
+	"sync"
+	"time"
+
+	"GoNavi-Wails/internal/connection"
+	"GoNavi-Wails/internal/logger"
+	proxytunnel "GoNavi-Wails/internal/proxy"
+)
+
+type globalProxySnapshot struct {
+	Enabled bool                   `json:"enabled"`
+	Proxy   connection.ProxyConfig `json:"proxy"`
+}
+
+var globalProxyRuntime = struct {
+	mu      sync.RWMutex
+	enabled bool
+	proxy   connection.ProxyConfig
+}{}
+
+type localProxyTLSFallbackTransport struct {
+	primary       *http.Transport
+	fallback      *http.Transport
+	proxyEndpoint string
+}
+
+func currentGlobalProxyConfig() globalProxySnapshot {
+	globalProxyRuntime.mu.RLock()
+	defer globalProxyRuntime.mu.RUnlock()
+	if !globalProxyRuntime.enabled {
+		return globalProxySnapshot{
+			Enabled: false,
+			Proxy:   connection.ProxyConfig{},
+		}
+	}
+	return globalProxySnapshot{
+		Enabled: true,
+		Proxy:   globalProxyRuntime.proxy,
+	}
+}
+
+func setGlobalProxyConfig(enabled bool, proxyConfig connection.ProxyConfig) (globalProxySnapshot, error) {
+	if !enabled {
+		globalProxyRuntime.mu.Lock()
+		globalProxyRuntime.enabled = false
+		globalProxyRuntime.proxy = connection.ProxyConfig{}
+		globalProxyRuntime.mu.Unlock()
+		return currentGlobalProxyConfig(), nil
+	}
+
+	normalizedProxy, err := proxytunnel.NormalizeConfig(proxyConfig)
+	if err != nil {
+		return globalProxySnapshot{}, err
+	}
+
+	globalProxyRuntime.mu.Lock()
+	globalProxyRuntime.enabled = true
+	globalProxyRuntime.proxy = normalizedProxy
+	globalProxyRuntime.mu.Unlock()
+	return currentGlobalProxyConfig(), nil
+}
+
+func (a *App) ConfigureGlobalProxy(enabled bool, proxyConfig connection.ProxyConfig) connection.QueryResult {
+	snapshot, err := setGlobalProxyConfig(enabled, proxyConfig)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	if snapshot.Enabled {
+		authState := ""
+		if strings.TrimSpace(snapshot.Proxy.User) != "" {
+			authState = "（认证：已配置）"
+		}
+		logger.Infof(
+			"全局代理已启用：%s://%s:%d%s",
+			strings.ToLower(strings.TrimSpace(snapshot.Proxy.Type)),
+			strings.TrimSpace(snapshot.Proxy.Host),
+			snapshot.Proxy.Port,
+			authState,
+		)
+	} else {
+		logger.Infof("全局代理已关闭")
+	}
+
+	return connection.QueryResult{
+		Success: true,
+		Message: "全局代理配置已生效",
+		Data:    snapshot,
+	}
+}
+
+func (a *App) GetGlobalProxyConfig() connection.QueryResult {
+	return connection.QueryResult{
+		Success: true,
+		Message: "OK",
+		Data:    currentGlobalProxyConfig(),
+	}
+}
+
+func applyGlobalProxyToConnection(config connection.ConnectionConfig) connection.ConnectionConfig {
+	effective := config
+	if effective.UseProxy {
+		return effective
+	}
+	if isFileDatabaseType(effective.Type) {
+		effective.Proxy = connection.ProxyConfig{}
+		return effective
+	}
+
+	snapshot := currentGlobalProxyConfig()
+	if !snapshot.Enabled {
+		effective.Proxy = connection.ProxyConfig{}
+		return effective
+	}
+
+	effective.UseProxy = true
+	effective.Proxy = snapshot.Proxy
+	return effective
+}
+
+func isFileDatabaseType(driverType string) bool {
+	switch strings.ToLower(strings.TrimSpace(driverType)) {
+	case "sqlite", "duckdb":
+		return true
+	default:
+		return false
+	}
+}
+
+func newHTTPClientWithGlobalProxy(timeout time.Duration) *http.Client {
+	client := &http.Client{
+		Timeout: timeout,
+	}
+	if transport := buildHTTPTransportWithGlobalProxy(); transport != nil {
+		client.Transport = transport
+	}
+	return client
+}
+
+func buildHTTPTransportWithGlobalProxy() http.RoundTripper {
+	baseTransport, ok := http.DefaultTransport.(*http.Transport)
+	if !ok || baseTransport == nil {
+		return nil
+	}
+
+	transport := baseTransport.Clone()
+	snapshot := currentGlobalProxyConfig()
+	if !snapshot.Enabled {
+		transport.Proxy = http.ProxyFromEnvironment
+		return transport
+	}
+
+	proxyURL, err := buildProxyURLFromConfig(snapshot.Proxy)
+	if err != nil {
+		logger.Warnf("全局代理配置无效，回退系统代理：%v", err)
+		transport.Proxy = http.ProxyFromEnvironment
+		return transport
+	}
+
+	transport.Proxy = http.ProxyURL(proxyURL)
+	if !isLoopbackProxyHost(snapshot.Proxy.Host) {
+		return transport
+	}
+
+	fallbackTransport := transport.Clone()
+	fallbackTransport.TLSClientConfig = cloneTLSConfigWithInsecureSkipVerify(fallbackTransport.TLSClientConfig)
+	return &localProxyTLSFallbackTransport{
+		primary:       transport,
+		fallback:      fallbackTransport,
+		proxyEndpoint: proxyURL.Redacted(),
+	}
+}
+
+func (t *localProxyTLSFallbackTransport) RoundTrip(req *http.Request) (*http.Response, error) {
+	resp, err := t.primary.RoundTrip(req)
+	if err == nil {
+		return resp, nil
+	}
+	if !isTLSFallbackCandidate(req.Method, err) {
+		return nil, err
+	}
+
+	retryReq, cloneErr := cloneRequestForRetry(req)
+	if cloneErr != nil {
+		return nil, err
+	}
+	logger.Warnf("检测到本地代理 TLS 证书不受信任，启用兼容回退：代理=%s 目标=%s 错误=%v", t.proxyEndpoint, req.URL.String(), err)
+	return t.fallback.RoundTrip(retryReq)
+}
+
+func isTLSFallbackCandidate(method string, err error) bool {
+	if !isIdempotentRequestMethod(method) {
+		return false
+	}
+	return isUnknownAuthorityError(err)
+}
+
+func isIdempotentRequestMethod(method string) bool {
+	switch strings.ToUpper(strings.TrimSpace(method)) {
+	case http.MethodGet, http.MethodHead:
+		return true
+	default:
+		return false
+	}
+}
+
+func cloneRequestForRetry(req *http.Request) (*http.Request, error) {
+	cloned := req.Clone(req.Context())
+	if req.Body == nil || req.Body == http.NoBody {
+		return cloned, nil
+	}
+	if req.GetBody == nil {
+		return nil, fmt.Errorf("request body not replayable")
+	}
+	body, err := req.GetBody()
+	if err != nil {
+		return nil, err
+	}
+	cloned.Body = body
+	return cloned, nil
+}
+
+func isUnknownAuthorityError(err error) bool {
+	var unknownErr x509.UnknownAuthorityError
+	if errors.As(err, &unknownErr) {
+		return true
+	}
+	return strings.Contains(strings.ToLower(err.Error()), "x509: certificate signed by unknown authority")
+}
+
+func cloneTLSConfigWithInsecureSkipVerify(base *tls.Config) *tls.Config {
+	if base == nil {
+		return &tls.Config{InsecureSkipVerify: true}
+	}
+	cloned := base.Clone()
+	cloned.InsecureSkipVerify = true
+	return cloned
+}
+
+func isLoopbackProxyHost(host string) bool {
+	trimmed := strings.TrimSpace(host)
+	if trimmed == "" {
+		return false
+	}
+	if strings.EqualFold(trimmed, "localhost") {
+		return true
+	}
+	ip := net.ParseIP(trimmed)
+	if ip == nil {
+		return false
+	}
+	return ip.IsLoopback()
+}
+
+func buildProxyURLFromConfig(proxyConfig connection.ProxyConfig) (*url.URL, error) {
+	normalizedProxy, err := proxytunnel.NormalizeConfig(proxyConfig)
+	if err != nil {
+		return nil, err
+	}
+
+	proxyType := strings.ToLower(strings.TrimSpace(normalizedProxy.Type))
+	if proxyType != "http" && proxyType != "socks5" {
+		return nil, fmt.Errorf("不支持的代理类型：%s", normalizedProxy.Type)
+	}
+	if strings.TrimSpace(normalizedProxy.Host) == "" {
+		return nil, fmt.Errorf("代理地址不能为空")
+	}
+	if normalizedProxy.Port <= 0 || normalizedProxy.Port > 65535 {
+		return nil, fmt.Errorf("代理端口无效：%d", normalizedProxy.Port)
+	}
+
+	proxyURL := &url.URL{
+		Scheme: proxyType,
+		Host:   net.JoinHostPort(strings.TrimSpace(normalizedProxy.Host), strconv.Itoa(normalizedProxy.Port)),
+	}
+	if strings.TrimSpace(normalizedProxy.User) != "" {
+		proxyURL.User = url.UserPassword(strings.TrimSpace(normalizedProxy.User), normalizedProxy.Password)
+	}
+	return proxyURL, nil
+}

internal/app/methods_db.go

@@ -1,45 +1,100 @@
 package app
 
 import (
+	"context"
 	"fmt"
 	"strings"
+	"time"
 
 	"GoNavi-Wails/internal/connection"
+	"GoNavi-Wails/internal/db"
+	"GoNavi-Wails/internal/logger"
+	"GoNavi-Wails/internal/utils"
 )
 
 // Generic DB Methods
 
 func (a *App) DBConnect(config connection.ConnectionConfig) connection.QueryResult {
-	// getDatabase checks cache and Pings. If valid, reuses. If not, connects.
-	_, err := a.getDatabase(config)
+	// 连接测试需要强制 ping，避免缓存命中但连接已失效时误判成功。
+	_, err := a.getDatabaseForcePing(config)
 	if err != nil {
+		logger.Error(err, "DBConnect 连接失败：%s", formatConnSummary(config))
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
-	
+
+	logger.Infof("DBConnect 连接成功：%s", formatConnSummary(config))
 	return connection.QueryResult{Success: true, Message: "连接成功"}
 }
 
 func (a *App) TestConnection(config connection.ConnectionConfig) connection.QueryResult {
-	_, err := a.getDatabase(config)
+	_, err := a.getDatabaseForcePing(config)
 	if err != nil {
+		logger.Error(err, "TestConnection 连接测试失败：%s", formatConnSummary(config))
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
-	
+
+	logger.Infof("TestConnection 连接测试成功：%s", formatConnSummary(config))
 	return connection.QueryResult{Success: true, Message: "连接成功"}
 }
 
+func (a *App) MongoDiscoverMembers(config connection.ConnectionConfig) connection.QueryResult {
+	config.Type = "mongodb"
+
+	dbInst, err := a.getDatabaseForcePing(config)
+	if err != nil {
+		logger.Error(err, "MongoDiscoverMembers 获取连接失败：%s", formatConnSummary(config))
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	discoverable, ok := dbInst.(interface {
+		DiscoverMembers() (string, []connection.MongoMemberInfo, error)
+	})
+	if !ok {
+		return connection.QueryResult{Success: false, Message: "当前 MongoDB 驱动不支持成员发现"}
+	}
+
+	replicaSet, members, err := discoverable.DiscoverMembers()
+	if err != nil {
+		logger.Error(err, "MongoDiscoverMembers 执行失败：%s", formatConnSummary(config))
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	data := map[string]interface{}{
+		"replicaSet": replicaSet,
+		"members":    members,
+	}
+
+	logger.Infof("MongoDiscoverMembers 成功：%s 成员数=%d 副本集=%s", formatConnSummary(config), len(members), replicaSet)
+	return connection.QueryResult{
+		Success: true,
+		Message: fmt.Sprintf("发现 %d 个成员", len(members)),
+		Data:    data,
+	}
+}
+
 func (a *App) CreateDatabase(config connection.ConnectionConfig, dbName string) connection.QueryResult {
 	runConfig := config
-	runConfig.Database = "" 
+	runConfig.Database = ""
 
 	dbInst, err := a.getDatabase(runConfig)
 	if err != nil {
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
 
-	query := fmt.Sprintf("CREATE DATABASE `%%s` CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci", dbName)
-	if runConfig.Type == "postgres" {
-		query = fmt.Sprintf("CREATE DATABASE \"%%s\"", dbName)
+	escapedDbName := strings.ReplaceAll(dbName, "`", "``")
+	query := fmt.Sprintf("CREATE DATABASE `%s` CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci", escapedDbName)
+	dbType := strings.ToLower(strings.TrimSpace(runConfig.Type))
+	if dbType == "postgres" || dbType == "kingbase" || dbType == "highgo" || dbType == "vastbase" {
+		escapedDbName = strings.ReplaceAll(dbName, `"`, `""`)
+		query = fmt.Sprintf("CREATE DATABASE \"%s\"", escapedDbName)
+	} else if dbType == "tdengine" {
+		query = fmt.Sprintf("CREATE DATABASE IF NOT EXISTS %s", quoteIdentByType(dbType, dbName))
+	} else if dbType == "clickhouse" {
+		query = fmt.Sprintf("CREATE DATABASE IF NOT EXISTS %s", quoteIdentByType(dbType, dbName))
+	} else if dbType == "mariadb" || dbType == "diros" {
+		// MariaDB uses same syntax as MySQL
+	} else if dbType == "sphinx" {
+		return connection.QueryResult{Success: false, Message: "Sphinx 暂不支持创建数据库"}
 	}
 
 	_, err = dbInst.Exec(query)
@@ -50,6 +105,251 @@ func (a *App) CreateDatabase(config connection.ConnectionConfig, dbName string)
 	return connection.QueryResult{Success: true, Message: "Database created successfully"}
 }
 
+func resolveDDLDBType(config connection.ConnectionConfig) string {
+	dbType := strings.ToLower(strings.TrimSpace(config.Type))
+	if dbType != "custom" {
+		return dbType
+	}
+
+	driver := strings.ToLower(strings.TrimSpace(config.Driver))
+	switch driver {
+	case "postgresql", "postgres", "pg", "pq", "pgx":
+		return "postgres"
+	case "dm", "dameng", "dm8":
+		return "dameng"
+	case "sqlite3", "sqlite":
+		return "sqlite"
+	case "sphinxql":
+		return "sphinx"
+	case "diros", "doris":
+		return "diros"
+	case "kingbase", "kingbase8", "kingbasees", "kingbasev8":
+		return "kingbase"
+	case "highgo":
+		return "highgo"
+	case "vastbase":
+		return "vastbase"
+	}
+
+	switch {
+	case strings.Contains(driver, "postgres"):
+		return "postgres"
+	case strings.Contains(driver, "kingbase"):
+		return "kingbase"
+	case strings.Contains(driver, "highgo"):
+		return "highgo"
+	case strings.Contains(driver, "vastbase"):
+		return "vastbase"
+	case strings.Contains(driver, "sqlite"):
+		return "sqlite"
+	case strings.Contains(driver, "sphinx"):
+		return "sphinx"
+	case strings.Contains(driver, "diros"), strings.Contains(driver, "doris"):
+		return "diros"
+	default:
+		return driver
+	}
+}
+
+func normalizeSchemaAndTableByType(dbType string, dbName string, tableName string) (string, string) {
+	rawTable := strings.TrimSpace(tableName)
+	rawDB := strings.TrimSpace(dbName)
+	if rawTable == "" {
+		return rawDB, rawTable
+	}
+
+	if parts := strings.SplitN(rawTable, ".", 2); len(parts) == 2 {
+		schema := strings.TrimSpace(parts[0])
+		table := strings.TrimSpace(parts[1])
+		if schema != "" && table != "" {
+			return schema, table
+		}
+	}
+
+	switch dbType {
+	case "postgres", "kingbase", "highgo", "vastbase":
+		return "public", rawTable
+	default:
+		return rawDB, rawTable
+	}
+}
+
+func quoteTableIdentByType(dbType string, schema string, table string) string {
+	s := strings.TrimSpace(schema)
+	t := strings.TrimSpace(table)
+	if s == "" {
+		return quoteIdentByType(dbType, t)
+	}
+	return fmt.Sprintf("%s.%s", quoteIdentByType(dbType, s), quoteIdentByType(dbType, t))
+}
+
+func buildRunConfigForDDL(config connection.ConnectionConfig, dbType string, dbName string) connection.ConnectionConfig {
+	runConfig := normalizeRunConfig(config, dbName)
+	if strings.EqualFold(strings.TrimSpace(config.Type), "custom") {
+		// custom 连接的 dbName 语义依赖 driver，尽量在常见驱动上对齐内置类型行为。
+		switch dbType {
+		case "mysql", "mariadb", "diros", "sphinx", "postgres", "kingbase", "vastbase", "dameng", "clickhouse":
+			if strings.TrimSpace(dbName) != "" {
+				runConfig.Database = strings.TrimSpace(dbName)
+			}
+		}
+	}
+	return runConfig
+}
+
+func (a *App) RenameDatabase(config connection.ConnectionConfig, oldName string, newName string) connection.QueryResult {
+	oldName = strings.TrimSpace(oldName)
+	newName = strings.TrimSpace(newName)
+	if oldName == "" || newName == "" {
+		return connection.QueryResult{Success: false, Message: "数据库名称不能为空"}
+	}
+	if strings.EqualFold(oldName, newName) {
+		return connection.QueryResult{Success: false, Message: "新旧数据库名称不能相同"}
+	}
+
+	dbType := resolveDDLDBType(config)
+	switch dbType {
+	case "mysql", "mariadb", "diros", "sphinx":
+		return connection.QueryResult{Success: false, Message: "MySQL/MariaDB/Doris/Sphinx 不支持直接重命名数据库，请新建库后迁移数据"}
+	case "postgres", "kingbase", "highgo", "vastbase":
+		if strings.EqualFold(strings.TrimSpace(config.Database), oldName) {
+			return connection.QueryResult{Success: false, Message: "当前连接正在使用目标数据库，请先连接到其他数据库后再重命名"}
+		}
+		runConfig := config
+		dbInst, err := a.getDatabase(runConfig)
+		if err != nil {
+			return connection.QueryResult{Success: false, Message: err.Error()}
+		}
+		sql := fmt.Sprintf("ALTER DATABASE %s RENAME TO %s", quoteIdentByType(dbType, oldName), quoteIdentByType(dbType, newName))
+		if _, err := dbInst.Exec(sql); err != nil {
+			return connection.QueryResult{Success: false, Message: err.Error()}
+		}
+		return connection.QueryResult{Success: true, Message: "数据库重命名成功"}
+	default:
+		return connection.QueryResult{Success: false, Message: fmt.Sprintf("当前数据源(%s)暂不支持重命名数据库", dbType)}
+	}
+}
+
+func (a *App) DropDatabase(config connection.ConnectionConfig, dbName string) connection.QueryResult {
+	dbName = strings.TrimSpace(dbName)
+	if dbName == "" {
+		return connection.QueryResult{Success: false, Message: "数据库名称不能为空"}
+	}
+
+	dbType := resolveDDLDBType(config)
+	var (
+		runConfig connection.ConnectionConfig
+		sql       string
+	)
+	switch dbType {
+	case "mysql", "mariadb", "diros", "tdengine", "clickhouse":
+		runConfig = config
+		runConfig.Database = ""
+		sql = fmt.Sprintf("DROP DATABASE %s", quoteIdentByType(dbType, dbName))
+	case "postgres", "kingbase", "highgo", "vastbase":
+		if strings.EqualFold(strings.TrimSpace(config.Database), dbName) {
+			return connection.QueryResult{Success: false, Message: "当前连接正在使用目标数据库，请先连接到其他数据库后再删除"}
+		}
+		runConfig = config
+		sql = fmt.Sprintf("DROP DATABASE %s", quoteIdentByType(dbType, dbName))
+	default:
+		return connection.QueryResult{Success: false, Message: fmt.Sprintf("当前数据源(%s)暂不支持删除数据库", dbType)}
+	}
+
+	dbInst, err := a.getDatabase(runConfig)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	if _, err := dbInst.Exec(sql); err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	return connection.QueryResult{Success: true, Message: "数据库删除成功"}
+}
+
+func (a *App) RenameTable(config connection.ConnectionConfig, dbName string, oldTableName string, newTableName string) connection.QueryResult {
+	oldTableName = strings.TrimSpace(oldTableName)
+	newTableName = strings.TrimSpace(newTableName)
+	if oldTableName == "" || newTableName == "" {
+		return connection.QueryResult{Success: false, Message: "表名不能为空"}
+	}
+	if strings.EqualFold(oldTableName, newTableName) {
+		return connection.QueryResult{Success: false, Message: "新旧表名不能相同"}
+	}
+	if strings.Contains(newTableName, ".") {
+		return connection.QueryResult{Success: false, Message: "新表名不能包含 schema 或数据库前缀"}
+	}
+
+	dbType := resolveDDLDBType(config)
+	switch dbType {
+	case "mysql", "mariadb", "diros", "sphinx", "postgres", "kingbase", "sqlite", "duckdb", "oracle", "dameng", "highgo", "vastbase", "sqlserver", "clickhouse":
+	default:
+		return connection.QueryResult{Success: false, Message: fmt.Sprintf("当前数据源(%s)暂不支持重命名表", dbType)}
+	}
+
+	schemaName, pureOldTableName := normalizeSchemaAndTableByType(dbType, dbName, oldTableName)
+	if pureOldTableName == "" {
+		return connection.QueryResult{Success: false, Message: "旧表名不能为空"}
+	}
+	oldQualifiedTable := quoteTableIdentByType(dbType, schemaName, pureOldTableName)
+	newTableQuoted := quoteIdentByType(dbType, newTableName)
+
+	var sql string
+	switch dbType {
+	case "mysql", "mariadb", "diros", "sphinx", "clickhouse":
+		newQualifiedTable := quoteTableIdentByType(dbType, schemaName, newTableName)
+		sql = fmt.Sprintf("RENAME TABLE %s TO %s", oldQualifiedTable, newQualifiedTable)
+	case "sqlserver":
+		// SQL Server 使用 sp_rename，参数为 'schema.oldname', 'newname'
+		oldFullName := schemaName + "." + pureOldTableName
+		escapedOld := strings.ReplaceAll(oldFullName, "'", "''")
+		escapedNew := strings.ReplaceAll(newTableName, "'", "''")
+		sql = fmt.Sprintf("EXEC sp_rename '%s', '%s'", escapedOld, escapedNew)
+	default:
+		sql = fmt.Sprintf("ALTER TABLE %s RENAME TO %s", oldQualifiedTable, newTableQuoted)
+	}
+
+	runConfig := buildRunConfigForDDL(config, dbType, dbName)
+	dbInst, err := a.getDatabase(runConfig)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	if _, err := dbInst.Exec(sql); err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	return connection.QueryResult{Success: true, Message: "表重命名成功"}
+}
+
+func (a *App) DropTable(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
+	tableName = strings.TrimSpace(tableName)
+	if tableName == "" {
+		return connection.QueryResult{Success: false, Message: "表名不能为空"}
+	}
+
+	dbType := resolveDDLDBType(config)
+	switch dbType {
+	case "mysql", "mariadb", "diros", "sphinx", "postgres", "kingbase", "sqlite", "duckdb", "oracle", "dameng", "highgo", "vastbase", "sqlserver", "tdengine", "clickhouse":
+	default:
+		return connection.QueryResult{Success: false, Message: fmt.Sprintf("当前数据源(%s)暂不支持删除表", dbType)}
+	}
+
+	schemaName, pureTableName := normalizeSchemaAndTableByType(dbType, dbName, tableName)
+	if pureTableName == "" {
+		return connection.QueryResult{Success: false, Message: "表名不能为空"}
+	}
+	qualifiedTable := quoteTableIdentByType(dbType, schemaName, pureTableName)
+	sql := fmt.Sprintf("DROP TABLE %s", qualifiedTable)
+
+	runConfig := buildRunConfigForDDL(config, dbType, dbName)
+	dbInst, err := a.getDatabase(runConfig)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	if _, err := dbInst.Exec(sql); err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	return connection.QueryResult{Success: true, Message: "表删除成功"}
+}
+
 func (a *App) MySQLConnect(config connection.ConnectionConfig) connection.QueryResult {
 	config.Type = "mysql"
 	return a.DBConnect(config)
@@ -76,64 +376,231 @@ func (a *App) MySQLShowCreateTable(config connection.ConnectionConfig, dbName st
 }
 
 func (a *App) DBQuery(config connection.ConnectionConfig, dbName string, query string) connection.QueryResult {
-	runConfig := config
-	if dbName != "" {
-		runConfig.Database = dbName
+	return a.DBQueryWithCancel(config, dbName, query, "")
+}
+
+func (a *App) DBQueryWithCancel(config connection.ConnectionConfig, dbName string, query string, queryID string) connection.QueryResult {
+	runConfig := normalizeRunConfig(config, dbName)
+
+	// Generate query ID if not provided
+	if queryID == "" {
+		queryID = generateQueryID()
 	}
 
 	dbInst, err := a.getDatabase(runConfig)
 	if err != nil {
-		return connection.QueryResult{Success: false, Message: err.Error()}
+		logger.Error(err, "DBQuery 获取连接失败：%s", formatConnSummary(runConfig))
+		return connection.QueryResult{Success: false, Message: err.Error(), QueryID: queryID}
 	}
 
+	query = sanitizeSQLForPgLike(runConfig.Type, query)
+	timeoutSeconds := runConfig.Timeout
+	if timeoutSeconds <= 0 {
+		timeoutSeconds = 30
+	}
+	ctx, cancel := utils.ContextWithTimeout(time.Duration(timeoutSeconds) * time.Second)
+	defer cancel()
+
+	// Store cancel function for potential manual cancellation
+	a.queryMu.Lock()
+	a.runningQueries[queryID] = queryContext{
+		cancel:  cancel,
+		started: time.Now(),
+	}
+	a.queryMu.Unlock()
+
+	// Ensure query is removed from tracking when done
+	defer func() {
+		a.queryMu.Lock()
+		delete(a.runningQueries, queryID)
+		a.queryMu.Unlock()
+	}()
+
 	lowerQuery := strings.TrimSpace(strings.ToLower(query))
-	if strings.HasPrefix(lowerQuery, "select") || strings.HasPrefix(lowerQuery, "show") || strings.HasPrefix(lowerQuery, "describe") || strings.HasPrefix(lowerQuery, "explain") {
-		data, columns, err := dbInst.Query(query)
-		if err != nil {
-			return connection.QueryResult{Success: false, Message: err.Error()}
+	isReadQuery := strings.HasPrefix(lowerQuery, "select") || strings.HasPrefix(lowerQuery, "show") || strings.HasPrefix(lowerQuery, "describe") || strings.HasPrefix(lowerQuery, "explain")
+	// MongoDB JSON 命令中的 find/count/aggregate 也属于读查询
+	if !isReadQuery && strings.ToLower(strings.TrimSpace(runConfig.Type)) == "mongodb" && strings.HasPrefix(strings.TrimSpace(query), "{") {
+		isReadQuery = true
+	}
+
+	runReadQuery := func(inst db.Database) ([]map[string]interface{}, []string, error) {
+		if q, ok := inst.(interface {
+			QueryContext(context.Context, string) ([]map[string]interface{}, []string, error)
+		}); ok {
+			return q.QueryContext(ctx, query)
 		}
-		return connection.QueryResult{Success: true, Data: data, Fields: columns}
+		return inst.Query(query)
+	}
+
+	runExecQuery := func(inst db.Database) (int64, error) {
+		if e, ok := inst.(interface {
+			ExecContext(context.Context, string) (int64, error)
+		}); ok {
+			return e.ExecContext(ctx, query)
+		}
+		return inst.Exec(query)
+	}
+
+	if isReadQuery {
+		data, columns, err := runReadQuery(dbInst)
+		if err != nil && shouldRefreshCachedConnection(err) {
+			if a.invalidateCachedDatabase(runConfig, err) {
+				retryInst, retryErr := a.getDatabaseForcePing(runConfig)
+				if retryErr != nil {
+					logger.Error(retryErr, "DBQuery 重建连接失败：%s SQL片段=%q", formatConnSummary(runConfig), sqlSnippet(query))
+					return connection.QueryResult{Success: false, Message: retryErr.Error()}
+				}
+				data, columns, err = runReadQuery(retryInst)
+			}
+		}
+		if err != nil {
+			logger.Error(err, "DBQuery 查询失败：%s SQL片段=%q", formatConnSummary(runConfig), sqlSnippet(query))
+			return connection.QueryResult{Success: false, Message: err.Error(), QueryID: queryID}
+		}
+		return connection.QueryResult{Success: true, Data: data, Fields: columns, QueryID: queryID}
 	} else {
-		affected, err := dbInst.Exec(query)
-		if err != nil {
-			return connection.QueryResult{Success: false, Message: err.Error()}
+		affected, err := runExecQuery(dbInst)
+		if err != nil && shouldRefreshCachedConnection(err) {
+			if a.invalidateCachedDatabase(runConfig, err) {
+				retryInst, retryErr := a.getDatabaseForcePing(runConfig)
+				if retryErr != nil {
+					logger.Error(retryErr, "DBQuery 重建连接失败：%s SQL片段=%q", formatConnSummary(runConfig), sqlSnippet(query))
+					return connection.QueryResult{Success: false, Message: retryErr.Error()}
+				}
+				affected, err = runExecQuery(retryInst)
+			}
 		}
-		return connection.QueryResult{Success: true, Data: map[string]int64{"affectedRows": affected}}
+		if err != nil {
+			logger.Error(err, "DBQuery 执行失败：%s SQL片段=%q", formatConnSummary(runConfig), sqlSnippet(query))
+			return connection.QueryResult{Success: false, Message: err.Error(), QueryID: queryID}
+		}
+		return connection.QueryResult{Success: true, Data: map[string]int64{"affectedRows": affected}, QueryID: queryID}
 	}
 }
 
-func (a *App) DBGetDatabases(config connection.ConnectionConfig) connection.QueryResult {
-	dbInst, err := a.getDatabase(config)
+func (a *App) DBQueryIsolated(config connection.ConnectionConfig, dbName string, query string) connection.QueryResult {
+	runConfig := normalizeRunConfig(config, dbName)
+
+	dbInst, err := a.openDatabaseIsolated(runConfig)
 	if err != nil {
+		logger.Error(err, "DBQueryIsolated 获取连接失败：%s", formatConnSummary(runConfig))
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	defer func() {
+		if closeErr := dbInst.Close(); closeErr != nil {
+			logger.Error(closeErr, "DBQueryIsolated 关闭临时连接失败：%s", formatConnSummary(runConfig))
+		}
+	}()
+
+	query = sanitizeSQLForPgLike(runConfig.Type, query)
+	timeoutSeconds := runConfig.Timeout
+	if timeoutSeconds <= 0 {
+		timeoutSeconds = 30
+	}
+	ctx, cancel := utils.ContextWithTimeout(time.Duration(timeoutSeconds) * time.Second)
+	defer cancel()
+
+	lowerQuery := strings.TrimSpace(strings.ToLower(query))
+	isReadQuery := strings.HasPrefix(lowerQuery, "select") || strings.HasPrefix(lowerQuery, "show") || strings.HasPrefix(lowerQuery, "describe") || strings.HasPrefix(lowerQuery, "explain")
+	if !isReadQuery && strings.ToLower(strings.TrimSpace(runConfig.Type)) == "mongodb" && strings.HasPrefix(strings.TrimSpace(query), "{") {
+		isReadQuery = true
+	}
+
+	if isReadQuery {
+		var data []map[string]interface{}
+		var columns []string
+		if q, ok := dbInst.(interface {
+			QueryContext(context.Context, string) ([]map[string]interface{}, []string, error)
+		}); ok {
+			data, columns, err = q.QueryContext(ctx, query)
+		} else {
+			data, columns, err = dbInst.Query(query)
+		}
+		if err != nil {
+			logger.Error(err, "DBQueryIsolated 查询失败：%s SQL片段=%q", formatConnSummary(runConfig), sqlSnippet(query))
+			return connection.QueryResult{Success: false, Message: err.Error()}
+		}
+		return connection.QueryResult{Success: true, Data: data, Fields: columns}
+	}
+
+	var affected int64
+	if e, ok := dbInst.(interface {
+		ExecContext(context.Context, string) (int64, error)
+	}); ok {
+		affected, err = e.ExecContext(ctx, query)
+	} else {
+		affected, err = dbInst.Exec(query)
+	}
+	if err != nil {
+		logger.Error(err, "DBQueryIsolated 执行失败：%s SQL片段=%q", formatConnSummary(runConfig), sqlSnippet(query))
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	return connection.QueryResult{Success: true, Data: map[string]int64{"affectedRows": affected}}
+}
+
+func sqlSnippet(query string) string {
+	q := strings.TrimSpace(query)
+	const max = 200
+	if len(q) <= max {
+		return q
+	}
+	return q[:max] + "..."
+}
+
+func (a *App) DBGetDatabases(config connection.ConnectionConfig) connection.QueryResult {
+	runConfig := normalizeRunConfig(config, "")
+	dbInst, err := a.getDatabase(runConfig)
+	if err != nil {
+		logger.Error(err, "DBGetDatabases 获取连接失败：%s", formatConnSummary(runConfig))
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
 
 	dbs, err := dbInst.GetDatabases()
+	if err != nil && shouldRefreshCachedConnection(err) {
+		if a.invalidateCachedDatabase(runConfig, err) {
+			retryInst, retryErr := a.getDatabaseForcePing(runConfig)
+			if retryErr != nil {
+				logger.Error(retryErr, "DBGetDatabases 重建连接失败：%s", formatConnSummary(runConfig))
+				return connection.QueryResult{Success: false, Message: retryErr.Error()}
+			}
+			dbs, err = retryInst.GetDatabases()
+		}
+	}
 	if err != nil {
+		logger.Error(err, "DBGetDatabases 获取数据库列表失败：%s", formatConnSummary(runConfig))
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
-	
+
 	var resData []map[string]string
 	for _, name := range dbs {
 		resData = append(resData, map[string]string{"Database": name})
 	}
-	
+
 	return connection.QueryResult{Success: true, Data: resData}
 }
 
 func (a *App) DBGetTables(config connection.ConnectionConfig, dbName string) connection.QueryResult {
-	runConfig := config
-	if dbName != "" {
-		runConfig.Database = dbName
-	}
+	runConfig := normalizeRunConfig(config, dbName)
 
 	dbInst, err := a.getDatabase(runConfig)
 	if err != nil {
+		logger.Error(err, "DBGetTables 获取连接失败：%s", formatConnSummary(runConfig))
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
 
 	tables, err := dbInst.GetTables(dbName)
+	if err != nil && shouldRefreshCachedConnection(err) {
+		if a.invalidateCachedDatabase(runConfig, err) {
+			retryInst, retryErr := a.getDatabaseForcePing(runConfig)
+			if retryErr != nil {
+				logger.Error(retryErr, "DBGetTables 重建连接失败：%s", formatConnSummary(runConfig))
+				return connection.QueryResult{Success: false, Message: retryErr.Error()}
+			}
+			tables, err = retryInst.GetTables(dbName)
+		}
+	}
 	if err != nil {
+		logger.Error(err, "DBGetTables 获取表列表失败：%s", formatConnSummary(runConfig))
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
 
@@ -146,36 +613,175 @@ func (a *App) DBGetTables(config connection.ConnectionConfig, dbName string) con
 }
 
 func (a *App) DBShowCreateTable(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
-	runConfig := config
-	if dbName != "" {
-		runConfig.Database = dbName
-	}
+	dbType := resolveDDLDBType(config)
+	runConfig := buildRunConfigForDDL(config, dbType, dbName)
 
 	dbInst, err := a.getDatabase(runConfig)
 	if err != nil {
+		logger.Error(err, "DBShowCreateTable 获取连接失败：%s", formatConnSummary(runConfig))
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
 
-	sqlStr, err := dbInst.GetCreateStatement(dbName, tableName)
+	sqlStr, err := resolveCreateStatementWithFallback(dbInst, config, dbName, tableName)
 	if err != nil {
+		logger.Error(err, "DBShowCreateTable 获取建表语句失败：%s 表=%s", formatConnSummary(runConfig), tableName)
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
 
 	return connection.QueryResult{Success: true, Data: sqlStr}
 }
 
-func (a *App) DBGetColumns(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
-	runConfig := config
-	if dbName != "" {
-		runConfig.Database = dbName
+func resolveCreateStatementWithFallback(dbInst db.Database, config connection.ConnectionConfig, dbName string, tableName string) (string, error) {
+	dbType := resolveDDLDBType(config)
+	schemaName, pureTableName := normalizeSchemaAndTableByType(dbType, dbName, tableName)
+	if pureTableName == "" {
+		return "", fmt.Errorf("表名不能为空")
 	}
 
+	sqlStr, sourceErr := dbInst.GetCreateStatement(schemaName, pureTableName)
+	if sourceErr == nil && !shouldFallbackCreateStatement(dbType, sqlStr) {
+		return sqlStr, nil
+	}
+
+	if !supportsCreateStatementFallback(dbType) {
+		if sourceErr != nil {
+			return "", sourceErr
+		}
+		return sqlStr, nil
+	}
+
+	columns, colErr := dbInst.GetColumns(schemaName, pureTableName)
+	if colErr != nil {
+		if sourceErr != nil {
+			return "", sourceErr
+		}
+		return "", colErr
+	}
+
+	fallbackDDL, buildErr := buildFallbackCreateStatement(dbType, schemaName, pureTableName, columns)
+	if buildErr != nil {
+		if sourceErr != nil {
+			return "", sourceErr
+		}
+		return "", buildErr
+	}
+	return fallbackDDL, nil
+}
+
+func supportsCreateStatementFallback(dbType string) bool {
+	switch dbType {
+	case "postgres", "kingbase", "highgo", "vastbase":
+		return true
+	default:
+		return false
+	}
+}
+
+func shouldFallbackCreateStatement(dbType string, ddl string) bool {
+	if !supportsCreateStatementFallback(dbType) {
+		return false
+	}
+
+	trimmed := strings.TrimSpace(ddl)
+	if trimmed == "" {
+		return true
+	}
+	if hasCreateTableHead(trimmed) {
+		return false
+	}
+
+	lower := strings.ToLower(trimmed)
+	if strings.Contains(lower, "not fully supported") ||
+		strings.Contains(lower, "not directly supported") ||
+		strings.Contains(lower, "not supported") {
+		return true
+	}
+	return true
+}
+
+func hasCreateTableHead(sqlText string) bool {
+	lines := strings.Split(sqlText, "\n")
+	for _, line := range lines {
+		line = strings.TrimSpace(line)
+		if line == "" {
+			continue
+		}
+		if strings.HasPrefix(line, "--") || strings.HasPrefix(line, "/*") || strings.HasPrefix(line, "*") {
+			continue
+		}
+		return strings.HasPrefix(strings.ToLower(line), "create table")
+	}
+	return false
+}
+
+func buildFallbackCreateStatement(dbType string, schemaName string, tableName string, columns []connection.ColumnDefinition) (string, error) {
+	table := strings.TrimSpace(tableName)
+	if table == "" {
+		return "", fmt.Errorf("表名不能为空")
+	}
+	if len(columns) == 0 {
+		return "", fmt.Errorf("未获取到字段定义，无法生成建表语句")
+	}
+
+	qualifiedTable := quoteTableIdentByType(dbType, schemaName, table)
+	columnLines := make([]string, 0, len(columns)+1)
+	primaryKeys := make([]string, 0, 2)
+
+	for _, col := range columns {
+		colNameRaw := strings.TrimSpace(col.Name)
+		if colNameRaw == "" {
+			continue
+		}
+		colType := strings.TrimSpace(col.Type)
+		if colType == "" {
+			colType = "text"
+		}
+
+		colName := quoteIdentByType(dbType, colNameRaw)
+		defParts := []string{fmt.Sprintf("%s %s", colName, colType)}
+
+		if strings.EqualFold(strings.TrimSpace(col.Nullable), "NO") {
+			defParts = append(defParts, "NOT NULL")
+		}
+		if col.Default != nil {
+			defVal := strings.TrimSpace(*col.Default)
+			if defVal != "" {
+				defParts = append(defParts, "DEFAULT "+defVal)
+			}
+		}
+
+		columnLines = append(columnLines, "  "+strings.Join(defParts, " "))
+		if strings.EqualFold(strings.TrimSpace(col.Key), "PRI") {
+			primaryKeys = append(primaryKeys, colName)
+		}
+	}
+
+	if len(columnLines) == 0 {
+		return "", fmt.Errorf("字段定义为空，无法生成建表语句")
+	}
+	if len(primaryKeys) > 0 {
+		columnLines = append(columnLines, "  PRIMARY KEY ("+strings.Join(primaryKeys, ", ")+")")
+	}
+
+	ddl := strings.Builder{}
+	ddl.WriteString("CREATE TABLE ")
+	ddl.WriteString(qualifiedTable)
+	ddl.WriteString(" (\n")
+	ddl.WriteString(strings.Join(columnLines, ",\n"))
+	ddl.WriteString("\n);")
+	return ddl.String(), nil
+}
+
+func (a *App) DBGetColumns(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
+	runConfig := normalizeRunConfig(config, dbName)
+
 	dbInst, err := a.getDatabase(runConfig)
 	if err != nil {
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
 
-	columns, err := dbInst.GetColumns(dbName, tableName)
+	schemaName, pureTableName := normalizeSchemaAndTable(config, dbName, tableName)
+	columns, err := dbInst.GetColumns(schemaName, pureTableName)
 	if err != nil {
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
@@ -184,17 +790,15 @@ func (a *App) DBGetColumns(config connection.ConnectionConfig, dbName string, ta
 }
 
 func (a *App) DBGetIndexes(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
-	runConfig := config
-	if dbName != "" {
-		runConfig.Database = dbName
-	}
+	runConfig := normalizeRunConfig(config, dbName)
 
 	dbInst, err := a.getDatabase(runConfig)
 	if err != nil {
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
 
-	indexes, err := dbInst.GetIndexes(dbName, tableName)
+	schemaName, pureTableName := normalizeSchemaAndTable(config, dbName, tableName)
+	indexes, err := dbInst.GetIndexes(schemaName, pureTableName)
 	if err != nil {
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
@@ -203,17 +807,15 @@ func (a *App) DBGetIndexes(config connection.ConnectionConfig, dbName string, ta
 }
 
 func (a *App) DBGetForeignKeys(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
-	runConfig := config
-	if dbName != "" {
-		runConfig.Database = dbName
-	}
+	runConfig := normalizeRunConfig(config, dbName)
 
 	dbInst, err := a.getDatabase(runConfig)
 	if err != nil {
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
 
-	fks, err := dbInst.GetForeignKeys(dbName, tableName)
+	schemaName, pureTableName := normalizeSchemaAndTable(config, dbName, tableName)
+	fks, err := dbInst.GetForeignKeys(schemaName, pureTableName)
 	if err != nil {
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
@@ -222,17 +824,15 @@ func (a *App) DBGetForeignKeys(config connection.ConnectionConfig, dbName string
 }
 
 func (a *App) DBGetTriggers(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
-	runConfig := config
-	if dbName != "" {
-		runConfig.Database = dbName
-	}
+	runConfig := normalizeRunConfig(config, dbName)
 
 	dbInst, err := a.getDatabase(runConfig)
 	if err != nil {
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
 
-	triggers, err := dbInst.GetTriggers(dbName, tableName)
+	schemaName, pureTableName := normalizeSchemaAndTable(config, dbName, tableName)
+	triggers, err := dbInst.GetTriggers(schemaName, pureTableName)
 	if err != nil {
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
@@ -240,12 +840,131 @@ func (a *App) DBGetTriggers(config connection.ConnectionConfig, dbName string, t
 	return connection.QueryResult{Success: true, Data: triggers}
 }
 
-func (a *App) DBGetAllColumns(config connection.ConnectionConfig, dbName string) connection.QueryResult {
-	runConfig := config
-	if dbName != "" {
-		runConfig.Database = dbName
+func (a *App) DropView(config connection.ConnectionConfig, dbName string, viewName string) connection.QueryResult {
+	viewName = strings.TrimSpace(viewName)
+	if viewName == "" {
+		return connection.QueryResult{Success: false, Message: "视图名称不能为空"}
 	}
 
+	dbType := resolveDDLDBType(config)
+	switch dbType {
+	case "mysql", "mariadb", "diros", "sphinx", "postgres", "kingbase", "sqlite", "duckdb", "oracle", "dameng", "highgo", "vastbase", "sqlserver", "clickhouse":
+	default:
+		return connection.QueryResult{Success: false, Message: fmt.Sprintf("当前数据源(%s)暂不支持删除视图", dbType)}
+	}
+
+	schemaName, pureViewName := normalizeSchemaAndTableByType(dbType, dbName, viewName)
+	if pureViewName == "" {
+		return connection.QueryResult{Success: false, Message: "视图名称不能为空"}
+	}
+	qualifiedView := quoteTableIdentByType(dbType, schemaName, pureViewName)
+	sql := fmt.Sprintf("DROP VIEW %s", qualifiedView)
+
+	runConfig := buildRunConfigForDDL(config, dbType, dbName)
+	dbInst, err := a.getDatabase(runConfig)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	if _, err := dbInst.Exec(sql); err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	return connection.QueryResult{Success: true, Message: "视图删除成功"}
+}
+
+func (a *App) DropFunction(config connection.ConnectionConfig, dbName string, routineName string, routineType string) connection.QueryResult {
+	routineName = strings.TrimSpace(routineName)
+	routineType = strings.TrimSpace(strings.ToUpper(routineType))
+	if routineName == "" {
+		return connection.QueryResult{Success: false, Message: "函数/存储过程名称不能为空"}
+	}
+	if routineType != "FUNCTION" && routineType != "PROCEDURE" {
+		routineType = "FUNCTION"
+	}
+
+	dbType := resolveDDLDBType(config)
+	switch dbType {
+	case "mysql", "mariadb", "diros", "sphinx", "postgres", "kingbase", "oracle", "dameng", "highgo", "vastbase", "sqlserver", "duckdb":
+	default:
+		return connection.QueryResult{Success: false, Message: fmt.Sprintf("当前数据源(%s)暂不支持删除函数/存储过程", dbType)}
+	}
+	if dbType == "duckdb" && routineType == "PROCEDURE" {
+		return connection.QueryResult{Success: false, Message: "DuckDB 暂不支持存储过程"}
+	}
+
+	schemaName, pureName := normalizeSchemaAndTableByType(dbType, dbName, routineName)
+	if pureName == "" {
+		return connection.QueryResult{Success: false, Message: "函数/存储过程名称不能为空"}
+	}
+	qualifiedName := quoteTableIdentByType(dbType, schemaName, pureName)
+	sql := fmt.Sprintf("DROP %s %s", routineType, qualifiedName)
+
+	runConfig := buildRunConfigForDDL(config, dbType, dbName)
+	dbInst, err := a.getDatabase(runConfig)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	if _, err := dbInst.Exec(sql); err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	label := "函数"
+	if routineType == "PROCEDURE" {
+		label = "存储过程"
+	}
+	return connection.QueryResult{Success: true, Message: fmt.Sprintf("%s删除成功", label)}
+}
+
+func (a *App) RenameView(config connection.ConnectionConfig, dbName string, oldName string, newName string) connection.QueryResult {
+	oldName = strings.TrimSpace(oldName)
+	newName = strings.TrimSpace(newName)
+	if oldName == "" || newName == "" {
+		return connection.QueryResult{Success: false, Message: "视图名称不能为空"}
+	}
+	if strings.EqualFold(oldName, newName) {
+		return connection.QueryResult{Success: false, Message: "新旧视图名称不能相同"}
+	}
+	if strings.Contains(newName, ".") {
+		return connection.QueryResult{Success: false, Message: "新视图名不能包含 schema 或数据库前缀"}
+	}
+
+	dbType := resolveDDLDBType(config)
+	schemaName, pureOldName := normalizeSchemaAndTableByType(dbType, dbName, oldName)
+	if pureOldName == "" {
+		return connection.QueryResult{Success: false, Message: "旧视图名不能为空"}
+	}
+	oldQualified := quoteTableIdentByType(dbType, schemaName, pureOldName)
+	newQuoted := quoteIdentByType(dbType, newName)
+
+	var sql string
+	switch dbType {
+	case "mysql", "mariadb", "diros", "sphinx", "clickhouse":
+		newQualified := quoteTableIdentByType(dbType, schemaName, newName)
+		sql = fmt.Sprintf("RENAME TABLE %s TO %s", oldQualified, newQualified)
+	case "postgres", "kingbase", "highgo", "vastbase":
+		sql = fmt.Sprintf("ALTER VIEW %s RENAME TO %s", oldQualified, newQuoted)
+	case "sqlserver":
+		oldFullName := schemaName + "." + pureOldName
+		escapedOld := strings.ReplaceAll(oldFullName, "'", "''")
+		escapedNew := strings.ReplaceAll(newName, "'", "''")
+		sql = fmt.Sprintf("EXEC sp_rename '%s', '%s'", escapedOld, escapedNew)
+	default:
+		return connection.QueryResult{Success: false, Message: fmt.Sprintf("当前数据源(%s)暂不支持重命名视图", dbType)}
+	}
+
+	runConfig := buildRunConfigForDDL(config, dbType, dbName)
+	dbInst, err := a.getDatabase(runConfig)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	if _, err := dbInst.Exec(sql); err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	return connection.QueryResult{Success: true, Message: "视图重命名成功"}
+}
+
+func (a *App) DBGetAllColumns(config connection.ConnectionConfig, dbName string) connection.QueryResult {
+	runConfig := normalizeRunConfig(config, dbName)
+
 	dbInst, err := a.getDatabase(runConfig)
 	if err != nil {
 		return connection.QueryResult{Success: false, Message: err.Error()}
@@ -257,4 +976,4 @@ func (a *App) DBGetAllColumns(config connection.ConnectionConfig, dbName string)
 	}
 
 	return connection.QueryResult{Success: true, Data: cols}
-}
+}

internal/app/methods_db_cancel_test.go

@@ -0,0 +1,149 @@
+package app
+
+import (
+	"context"
+	"strings"
+	"testing"
+	"time"
+
+	"GoNavi-Wails/internal/connection"
+)
+
+func TestGenerateQueryID(t *testing.T) {
+	app := NewApp()
+	id := app.GenerateQueryID()
+	if id == "" {
+		t.Fatal("GenerateQueryID returned empty string")
+	}
+	// Should start with "query-"
+	if !strings.HasPrefix(id, "query-") {
+		t.Fatalf("Expected query ID to start with 'query-', got: %s", id)
+	}
+	// Should be reasonably unique (not equal to another generated ID)
+	id2 := app.GenerateQueryID()
+	if id == id2 {
+		t.Fatal("Two consecutive GenerateQueryID calls returned identical IDs")
+	}
+}
+
+func TestCancelQuery_NonExistent(t *testing.T) {
+	app := NewApp()
+	res := app.CancelQuery("non-existent-query-id")
+	if res.Success {
+		t.Fatal("CancelQuery should fail for non-existent query ID")
+	}
+	if !strings.Contains(res.Message, "不存在") && !strings.Contains(res.Message, "not exist") {
+		t.Fatalf("Expected error message about query not existing, got: %s", res.Message)
+	}
+}
+
+func TestCancelQuery_ValidQuery(t *testing.T) {
+	app := NewApp()
+
+	// First, generate a query ID and simulate a running query
+	queryID := app.GenerateQueryID()
+
+	// Store a cancel function in runningQueries map
+	_, cancel := context.WithCancel(context.Background())
+	app.queryMu.Lock()
+	app.runningQueries[queryID] = queryContext{
+		cancel:  cancel,
+		started: time.Now(),
+	}
+	app.queryMu.Unlock()
+
+	// Ensure cleanup after test
+	defer func() {
+		app.queryMu.Lock()
+		delete(app.runningQueries, queryID)
+		app.queryMu.Unlock()
+	}()
+
+	// Cancel the query
+	res := app.CancelQuery(queryID)
+	if !res.Success {
+		t.Fatalf("CancelQuery should succeed for valid query ID, got: %s", res.Message)
+	}
+
+	// Verify query removed from map
+	app.queryMu.Lock()
+	_, exists := app.runningQueries[queryID]
+	app.queryMu.Unlock()
+	if exists {
+		t.Fatal("Query should be removed from runningQueries after cancellation")
+	}
+}
+
+func TestCleanupStaleQueries(t *testing.T) {
+	app := NewApp()
+
+	// Add a stale query (started 2 hours ago)
+	queryID := app.GenerateQueryID()
+	_, cancel := context.WithCancel(context.Background())
+	app.queryMu.Lock()
+	app.runningQueries[queryID] = queryContext{
+		cancel:  cancel,
+		started: time.Now().Add(-2 * time.Hour),
+	}
+	app.queryMu.Unlock()
+
+	// Cleanup queries older than 1 hour
+	app.CleanupStaleQueries(1 * time.Hour)
+
+	// Verify stale query was removed
+	app.queryMu.Lock()
+	_, exists := app.runningQueries[queryID]
+	app.queryMu.Unlock()
+	if exists {
+		t.Fatal("Stale query should be removed by CleanupStaleQueries")
+	}
+
+	// Add a fresh query (started 30 minutes ago)
+	freshID := app.GenerateQueryID()
+	_, cancel2 := context.WithCancel(context.Background())
+	app.queryMu.Lock()
+	app.runningQueries[freshID] = queryContext{
+		cancel:  cancel2,
+		started: time.Now().Add(-30 * time.Minute),
+	}
+	app.queryMu.Unlock()
+	defer cancel2()
+
+	// Cleanup queries older than 1 hour
+	app.CleanupStaleQueries(1 * time.Hour)
+
+	// Verify fresh query still exists
+	app.queryMu.Lock()
+	_, exists = app.runningQueries[freshID]
+	app.queryMu.Unlock()
+	if !exists {
+		t.Fatal("Fresh query should not be removed by CleanupStaleQueries")
+	}
+
+	// Clean up
+	app.queryMu.Lock()
+	delete(app.runningQueries, freshID)
+	app.queryMu.Unlock()
+}
+
+func TestDBQueryWithCancel_QueryIDPropagation(t *testing.T) {
+	// This test verifies that query ID is properly propagated in QueryResult
+	// Since we can't easily mock database connections, we'll test the integration
+	// by checking that DBQueryWithCancel returns a QueryResult with QueryID field
+
+	app := NewApp()
+
+	// Create a minimal config for a database type that doesn't require actual connection
+	config := connection.ConnectionConfig{
+		Type: "duckdb",
+		Host: ":memory:", // In-memory duckdb for testing
+	}
+
+	// This will fail because we can't actually connect, but we can test the error path
+	result := app.DBQueryWithCancel(config, "", "SELECT 1", "test-query-id")
+
+	// The query should fail (no actual database), but QueryID should be present
+	if result.QueryID != "test-query-id" {
+		t.Fatalf("Expected QueryID 'test-query-id' in result, got: %s", result.QueryID)
+	}
+}

internal/app/methods_db_create_statement_test.go

@@ -0,0 +1,174 @@
+package app
+
+import (
+	"errors"
+	"strings"
+	"testing"
+
+	"GoNavi-Wails/internal/connection"
+)
+
+type fakeCreateStatementDB struct {
+	createSQL  string
+	createErr  error
+	columns    []connection.ColumnDefinition
+	columnsErr error
+
+	createSchema string
+	createTable  string
+	colsSchema   string
+	colsTable    string
+}
+
+func (f *fakeCreateStatementDB) Connect(config connection.ConnectionConfig) error { return nil }
+func (f *fakeCreateStatementDB) Close() error                                     { return nil }
+func (f *fakeCreateStatementDB) Ping() error                                      { return nil }
+func (f *fakeCreateStatementDB) Query(query string) ([]map[string]interface{}, []string, error) {
+	return nil, nil, nil
+}
+func (f *fakeCreateStatementDB) Exec(query string) (int64, error)          { return 0, nil }
+func (f *fakeCreateStatementDB) GetDatabases() ([]string, error)           { return nil, nil }
+func (f *fakeCreateStatementDB) GetTables(dbName string) ([]string, error) { return nil, nil }
+func (f *fakeCreateStatementDB) GetCreateStatement(dbName, tableName string) (string, error) {
+	f.createSchema = dbName
+	f.createTable = tableName
+	return f.createSQL, f.createErr
+}
+func (f *fakeCreateStatementDB) GetColumns(dbName, tableName string) ([]connection.ColumnDefinition, error) {
+	f.colsSchema = dbName
+	f.colsTable = tableName
+	return f.columns, f.columnsErr
+}
+func (f *fakeCreateStatementDB) GetAllColumns(dbName string) ([]connection.ColumnDefinitionWithTable, error) {
+	return nil, nil
+}
+func (f *fakeCreateStatementDB) GetIndexes(dbName, tableName string) ([]connection.IndexDefinition, error) {
+	return nil, nil
+}
+func (f *fakeCreateStatementDB) GetForeignKeys(dbName, tableName string) ([]connection.ForeignKeyDefinition, error) {
+	return nil, nil
+}
+func (f *fakeCreateStatementDB) GetTriggers(dbName, tableName string) ([]connection.TriggerDefinition, error) {
+	return nil, nil
+}
+
+func TestResolveDDLDBType_CustomDriverAlias(t *testing.T) {
+	t.Parallel()
+
+	testCases := []struct {
+		name   string
+		driver string
+		want   string
+	}{
+		{name: "postgresql alias", driver: "postgresql", want: "postgres"},
+		{name: "pgx alias", driver: "pgx", want: "postgres"},
+		{name: "kingbase8 alias", driver: "kingbase8", want: "kingbase"},
+		{name: "kingbase contains alias", driver: "kingbasees", want: "kingbase"},
+		{name: "dm alias", driver: "dm8", want: "dameng"},
+		{name: "sqlite alias", driver: "sqlite3", want: "sqlite"},
+	}
+
+	for _, tc := range testCases {
+		tc := tc
+		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+			cfg := connection.ConnectionConfig{Type: "custom", Driver: tc.driver}
+			if got := resolveDDLDBType(cfg); got != tc.want {
+				t.Fatalf("resolveDDLDBType() mismatch, want=%q got=%q", tc.want, got)
+			}
+		})
+	}
+}
+
+func TestResolveCreateStatementWithFallback_CustomKingbaseUsesPublicSchema(t *testing.T) {
+	t.Parallel()
+
+	dbInst := &fakeCreateStatementDB{
+		createSQL: "SHOW CREATE TABLE not directly supported in Kingbase/Postgres via SQL",
+		columns: []connection.ColumnDefinition{
+			{Name: "id", Type: "bigint", Nullable: "NO", Key: "PRI"},
+		},
+	}
+
+	ddl, err := resolveCreateStatementWithFallback(dbInst, connection.ConnectionConfig{
+		Type:   "custom",
+		Driver: "kingbase8",
+	}, "demo_db", "orders")
+	if err != nil {
+		t.Fatalf("resolveCreateStatementWithFallback() unexpected error: %v", err)
+	}
+	if dbInst.createSchema != "public" || dbInst.colsSchema != "public" {
+		t.Fatalf("expected fallback schema public, got create=%q columns=%q", dbInst.createSchema, dbInst.colsSchema)
+	}
+	if !strings.Contains(ddl, `CREATE TABLE "public"."orders"`) {
+		t.Fatalf("expected fallback DDL with public schema, got: %s", ddl)
+	}
+}
+
+func TestResolveCreateStatementWithFallback_KeepQualifiedSchema(t *testing.T) {
+	t.Parallel()
+
+	dbInst := &fakeCreateStatementDB{
+		createSQL: "-- SHOW CREATE TABLE not fully supported for PostgreSQL in this MVP.",
+		columns: []connection.ColumnDefinition{
+			{Name: "id", Type: "integer", Nullable: "NO", Key: "PRI"},
+		},
+	}
+
+	ddl, err := resolveCreateStatementWithFallback(dbInst, connection.ConnectionConfig{
+		Type:   "custom",
+		Driver: "postgresql",
+	}, "demo_db", "sales.orders")
+	if err != nil {
+		t.Fatalf("resolveCreateStatementWithFallback() unexpected error: %v", err)
+	}
+	if dbInst.createSchema != "sales" || dbInst.colsSchema != "sales" {
+		t.Fatalf("expected schema sales, got create=%q columns=%q", dbInst.createSchema, dbInst.colsSchema)
+	}
+	if !strings.Contains(ddl, `CREATE TABLE "sales"."orders"`) {
+		t.Fatalf("expected fallback DDL with sales schema, got: %s", ddl)
+	}
+}
+
+func TestResolveCreateStatementWithFallback_NoFallbackForMySQL(t *testing.T) {
+	t.Parallel()
+
+	dbInst := &fakeCreateStatementDB{
+		createSQL:  "SHOW CREATE TABLE not directly supported in Kingbase/Postgres via SQL",
+		columnsErr: errors.New("should not be called"),
+	}
+
+	ddl, err := resolveCreateStatementWithFallback(dbInst, connection.ConnectionConfig{
+		Type: "mysql",
+	}, "demo_db", "orders")
+	if err != nil {
+		t.Fatalf("resolveCreateStatementWithFallback() unexpected error: %v", err)
+	}
+	if ddl != dbInst.createSQL {
+		t.Fatalf("expected original ddl for mysql, got: %s", ddl)
+	}
+	if dbInst.colsTable != "" {
+		t.Fatalf("mysql path should not call GetColumns, got table=%q", dbInst.colsTable)
+	}
+}
+
+func TestResolveCreateStatementWithFallback_FallbackWhenCreateStatementError(t *testing.T) {
+	t.Parallel()
+
+	dbInst := &fakeCreateStatementDB{
+		createErr: errors.New("statement unsupported"),
+		columns: []connection.ColumnDefinition{
+			{Name: "id", Type: "bigint", Nullable: "NO", Key: "PRI"},
+		},
+	}
+
+	ddl, err := resolveCreateStatementWithFallback(dbInst, connection.ConnectionConfig{
+		Type: "postgres",
+	}, "demo_db", "orders")
+	if err != nil {
+		t.Fatalf("resolveCreateStatementWithFallback() unexpected error: %v", err)
+	}
+	if !strings.Contains(ddl, `CREATE TABLE "public"."orders"`) {
+		t.Fatalf("expected fallback DDL for postgres error path, got: %s", ddl)
+	}
+}

internal/app/methods_file_export_test.go

@@ -0,0 +1,275 @@
+package app
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"os"
+	"strings"
+	"testing"
+	"time"
+
+	"GoNavi-Wails/internal/connection"
+)
+
+type fakeExportQueryDB struct {
+	data []map[string]interface{}
+	cols []string
+	err  error
+
+	lastQuery          string
+	lastContextTimeout time.Duration
+	hasContextDeadline bool
+}
+
+func (f *fakeExportQueryDB) Connect(config connection.ConnectionConfig) error { return nil }
+func (f *fakeExportQueryDB) Close() error                                     { return nil }
+func (f *fakeExportQueryDB) Ping() error                                      { return nil }
+func (f *fakeExportQueryDB) Query(query string) ([]map[string]interface{}, []string, error) {
+	f.lastQuery = query
+	return f.data, f.cols, f.err
+}
+func (f *fakeExportQueryDB) QueryContext(ctx context.Context, query string) ([]map[string]interface{}, []string, error) {
+	f.lastQuery = query
+	if deadline, ok := ctx.Deadline(); ok {
+		f.hasContextDeadline = true
+		f.lastContextTimeout = time.Until(deadline)
+	}
+	return f.data, f.cols, f.err
+}
+func (f *fakeExportQueryDB) Exec(query string) (int64, error) { return 0, nil }
+func (f *fakeExportQueryDB) GetDatabases() ([]string, error)  { return nil, nil }
+func (f *fakeExportQueryDB) GetTables(dbName string) ([]string, error) {
+	return nil, nil
+}
+func (f *fakeExportQueryDB) GetCreateStatement(dbName, tableName string) (string, error) {
+	return "", nil
+}
+func (f *fakeExportQueryDB) GetColumns(dbName, tableName string) ([]connection.ColumnDefinition, error) {
+	return nil, nil
+}
+func (f *fakeExportQueryDB) GetAllColumns(dbName string) ([]connection.ColumnDefinitionWithTable, error) {
+	return nil, nil
+}
+func (f *fakeExportQueryDB) GetIndexes(dbName, tableName string) ([]connection.IndexDefinition, error) {
+	return nil, nil
+}
+func (f *fakeExportQueryDB) GetForeignKeys(dbName, tableName string) ([]connection.ForeignKeyDefinition, error) {
+	return nil, nil
+}
+func (f *fakeExportQueryDB) GetTriggers(dbName, tableName string) ([]connection.TriggerDefinition, error) {
+	return nil, nil
+}
+
+func TestFormatExportCellText_FloatNoScientificNotation(t *testing.T) {
+	got := formatExportCellText(1.445663e+06)
+	if strings.Contains(strings.ToLower(got), "e+") || strings.Contains(strings.ToLower(got), "e-") {
+		t.Fatalf("不应输出科学计数法，got=%q", got)
+	}
+	if got != "1445663" {
+		t.Fatalf("浮点整值导出异常，want=%q got=%q", "1445663", got)
+	}
+}
+
+func TestWriteRowsToFile_Markdown_NumberKeepPlainText(t *testing.T) {
+	f, err := os.CreateTemp("", "gonavi-export-*.md")
+	if err != nil {
+		t.Fatalf("创建临时文件失败: %v", err)
+	}
+	defer os.Remove(f.Name())
+	defer f.Close()
+
+	data := []map[string]interface{}{
+		{"id": 1.445663e+06},
+	}
+	columns := []string{"id"}
+
+	if err := writeRowsToFile(f, data, columns, "md"); err != nil {
+		t.Fatalf("写入 md 失败: %v", err)
+	}
+
+	contentBytes, err := os.ReadFile(f.Name())
+	if err != nil {
+		t.Fatalf("读取 md 失败: %v", err)
+	}
+	content := string(contentBytes)
+	if strings.Contains(strings.ToLower(content), "e+") || strings.Contains(strings.ToLower(content), "e-") {
+		t.Fatalf("md 导出包含科学计数法: %s", content)
+	}
+	if !strings.Contains(content, "| 1445663 |") {
+		t.Fatalf("md 导出未保留整数字面量，content=%s", content)
+	}
+}
+
+func TestWriteRowsToFile_JSON_NumberKeepPlainText(t *testing.T) {
+	f, err := os.CreateTemp("", "gonavi-export-*.json")
+	if err != nil {
+		t.Fatalf("创建临时文件失败: %v", err)
+	}
+	defer os.Remove(f.Name())
+	defer f.Close()
+
+	data := []map[string]interface{}{
+		{"id": 1.445663e+06},
+	}
+	columns := []string{"id"}
+
+	if err := writeRowsToFile(f, data, columns, "json"); err != nil {
+		t.Fatalf("写入 json 失败: %v", err)
+	}
+
+	contentBytes, err := os.ReadFile(f.Name())
+	if err != nil {
+		t.Fatalf("读取 json 失败: %v", err)
+	}
+	content := string(contentBytes)
+	if strings.Contains(strings.ToLower(content), "e+") || strings.Contains(strings.ToLower(content), "e-") {
+		t.Fatalf("json 导出包含科学计数法: %s", content)
+	}
+
+	var decoded []map[string]json.Number
+	decoder := json.NewDecoder(bytes.NewReader(contentBytes))
+	decoder.UseNumber()
+	if err := decoder.Decode(&decoded); err != nil {
+		t.Fatalf("解析导出 json 失败: %v", err)
+	}
+	if len(decoded) != 1 {
+		t.Fatalf("导出行数异常，got=%d", len(decoded))
+	}
+	if decoded[0]["id"].String() != "1445663" {
+		t.Fatalf("json 数值格式异常，want=1445663 got=%s", decoded[0]["id"].String())
+	}
+}
+
+func TestQueryDataForExport_UsesMinimumTimeout(t *testing.T) {
+	fake := &fakeExportQueryDB{
+		data: []map[string]interface{}{{"v": 1}},
+		cols: []string{"v"},
+	}
+	_, _, err := queryDataForExport(fake, connection.ConnectionConfig{Timeout: 10}, "SELECT 1")
+	if err != nil {
+		t.Fatalf("queryDataForExport 返回错误: %v", err)
+	}
+	if !fake.hasContextDeadline {
+		t.Fatal("queryDataForExport 应设置 context deadline")
+	}
+	if fake.lastQuery != "SELECT 1" {
+		t.Fatalf("queryDataForExport 查询语句异常，want=%q got=%q", "SELECT 1", fake.lastQuery)
+	}
+	lowerBound := minExportQueryTimeout - 5*time.Second
+	upperBound := minExportQueryTimeout + 5*time.Second
+	if fake.lastContextTimeout < lowerBound || fake.lastContextTimeout > upperBound {
+		t.Fatalf("导出最小超时异常，want≈%s got=%s", minExportQueryTimeout, fake.lastContextTimeout)
+	}
+}
+
+func TestQueryDataForExport_UsesLargerConfiguredTimeout(t *testing.T) {
+	fake := &fakeExportQueryDB{
+		data: []map[string]interface{}{{"v": 1}},
+		cols: []string{"v"},
+	}
+	_, _, err := queryDataForExport(fake, connection.ConnectionConfig{Timeout: 900}, "SELECT 1")
+	if err != nil {
+		t.Fatalf("queryDataForExport 返回错误: %v", err)
+	}
+	if !fake.hasContextDeadline {
+		t.Fatal("queryDataForExport 应设置 context deadline")
+	}
+	expected := 900 * time.Second
+	lowerBound := expected - 5*time.Second
+	upperBound := expected + 5*time.Second
+	if fake.lastContextTimeout < lowerBound || fake.lastContextTimeout > upperBound {
+		t.Fatalf("导出配置超时异常，want≈%s got=%s", expected, fake.lastContextTimeout)
+	}
+}
+
+func TestGetExportQueryTimeout_ClickHouseUsesLongerMinimum(t *testing.T) {
+	timeout := getExportQueryTimeout(connection.ConnectionConfig{
+		Type:    "clickhouse",
+		Timeout: 30,
+	})
+	if timeout != minClickHouseExportQueryTimeout {
+		t.Fatalf("clickhouse 导出超时下限异常，want=%s got=%s", minClickHouseExportQueryTimeout, timeout)
+	}
+}
+
+func TestGetExportQueryTimeout_CustomClickHouseUsesLongerMinimum(t *testing.T) {
+	timeout := getExportQueryTimeout(connection.ConnectionConfig{
+		Type:    "custom",
+		Driver:  "clickhouse",
+		Timeout: 30,
+	})
+	if timeout != minClickHouseExportQueryTimeout {
+		t.Fatalf("custom clickhouse 导出超时下限异常，want=%s got=%s", minClickHouseExportQueryTimeout, timeout)
+	}
+}
+
+func TestWriteRowsToFile_HTML_EscapeAndStyle(t *testing.T) {
+	f, err := os.CreateTemp("", "gonavi-export-*.html")
+	if err != nil {
+		t.Fatalf("创建临时文件失败: %v", err)
+	}
+	defer os.Remove(f.Name())
+	defer f.Close()
+
+	data := []map[string]interface{}{
+		{
+			"name":     "<script>alert(1)</script>",
+			"note":     "line1\nline2",
+			"nullable": nil,
+		},
+	}
+	columns := []string{"name", "note", "nullable"}
+
+	if err := writeRowsToFile(f, data, columns, "html"); err != nil {
+		t.Fatalf("写入 html 失败: %v", err)
+	}
+
+	contentBytes, err := os.ReadFile(f.Name())
+	if err != nil {
+		t.Fatalf("读取 html 失败: %v", err)
+	}
+	content := string(contentBytes)
+
+	if !strings.Contains(content, "<!DOCTYPE html>") {
+		t.Fatalf("html 导出缺少 doctype: %s", content)
+	}
+	if !strings.Contains(content, "position: sticky") {
+		t.Fatalf("html 导出缺少表头吸顶样式: %s", content)
+	}
+	if !strings.Contains(content, "tbody tr:nth-child(even)") {
+		t.Fatalf("html 导出缺少斑马纹样式: %s", content)
+	}
+	if !strings.Contains(content, "&lt;script&gt;alert(1)&lt;/script&gt;") {
+		t.Fatalf("html 导出未进行 XSS 转义: %s", content)
+	}
+	if strings.Contains(content, "<script>alert(1)</script>") {
+		t.Fatalf("html 导出包含未转义脚本: %s", content)
+	}
+	if !strings.Contains(content, "line1<br>line2") {
+		t.Fatalf("html 导出换行未转为 <br>: %s", content)
+	}
+	if !strings.Contains(content, "<td>NULL</td>") {
+		t.Fatalf("html 导出空值显示异常: %s", content)
+	}
+}
+
+func TestWriteRowsToFile_HTML_EscapeHeader(t *testing.T) {
+	f, err := os.CreateTemp("", "gonavi-export-*.html")
+	if err != nil {
+		t.Fatalf("创建临时文件失败: %v", err)
+	}
+	defer os.Remove(f.Name())
+	defer f.Close()
+
+	columnName := "<b>name</b>"
+	data := []map[string]interface{}{{columnName: "ok"}}
+	if err := writeRowsToFile(f, data, []string{columnName}, "html"); err != nil {
+		t.Fatalf("写入 html 失败: %v", err)
+	}
+	contentBytes, _ := os.ReadFile(f.Name())
+	content := string(contentBytes)
+	if !strings.Contains(content, "<th>&lt;b&gt;name&lt;/b&gt;</th>") || strings.Contains(content, "<th><b>name</b></th>") {
+		t.Fatalf("html 表头未正确转义: %s", content)
+	}
+}

internal/app/methods_redis.go

@@ -0,0 +1,603 @@
+package app
+
+import (
+	"crypto/sha256"
+	"encoding/hex"
+	"encoding/json"
+	"fmt"
+	"math"
+	"strconv"
+	"strings"
+	"sync"
+
+	"GoNavi-Wails/internal/connection"
+	"GoNavi-Wails/internal/logger"
+	"GoNavi-Wails/internal/redis"
+)
+
+// Redis client cache
+var (
+	redisCache   = make(map[string]redis.RedisClient)
+	redisCacheMu sync.Mutex
+)
+
+// getRedisClient gets or creates a Redis client from cache
+func (a *App) getRedisClient(config connection.ConnectionConfig) (redis.RedisClient, error) {
+	key := getRedisClientCacheKey(config)
+	shortKey := key
+	if len(shortKey) > 12 {
+		shortKey = shortKey[:12]
+	}
+	logger.Infof("获取 Redis 连接：%s 缓存Key=%s", formatRedisConnSummary(config), shortKey)
+
+	redisCacheMu.Lock()
+	defer redisCacheMu.Unlock()
+
+	if client, ok := redisCache[key]; ok {
+		logger.Infof("命中 Redis 连接缓存，开始检测可用性：缓存Key=%s", shortKey)
+		if err := client.Ping(); err == nil {
+			logger.Infof("缓存 Redis 连接可用：缓存Key=%s", shortKey)
+			return client, nil
+		} else {
+			logger.Error(err, "缓存 Redis 连接不可用，准备重建：缓存Key=%s", shortKey)
+		}
+		client.Close()
+		delete(redisCache, key)
+	}
+
+	logger.Infof("创建 Redis 客户端实例：缓存Key=%s", shortKey)
+	client := redis.NewRedisClient()
+	if err := client.Connect(config); err != nil {
+		logger.Error(err, "Redis 连接失败：%s 缓存Key=%s", formatRedisConnSummary(config), shortKey)
+		return nil, err
+	}
+
+	redisCache[key] = client
+	logger.Infof("Redis 连接成功并写入缓存：%s 缓存Key=%s", formatRedisConnSummary(config), shortKey)
+	return client, nil
+}
+
+func getRedisClientCacheKey(config connection.ConnectionConfig) string {
+	if !config.UseSSH {
+		config.SSH = connection.SSHConfig{}
+	}
+	b, _ := json.Marshal(config)
+	sum := sha256.Sum256(b)
+	return hex.EncodeToString(sum[:])
+}
+
+func formatRedisConnSummary(config connection.ConnectionConfig) string {
+	var b strings.Builder
+	b.WriteString("类型=redis 地址=")
+	b.WriteString(config.Host)
+	b.WriteString(":")
+	b.WriteString(strconv.Itoa(config.Port))
+	if topology := strings.TrimSpace(config.Topology); topology != "" {
+		b.WriteString(" 模式=")
+		b.WriteString(topology)
+	}
+	if len(config.Hosts) > 0 {
+		b.WriteString(" 节点数=")
+		b.WriteString(strconv.Itoa(len(config.Hosts)))
+	}
+	b.WriteString(" DB=")
+	b.WriteString(strconv.Itoa(config.RedisDB))
+
+	if config.UseSSH {
+		b.WriteString(" SSH=")
+		b.WriteString(config.SSH.Host)
+		b.WriteString(":")
+		b.WriteString(strconv.Itoa(config.SSH.Port))
+		b.WriteString(" 用户=")
+		b.WriteString(config.SSH.User)
+	}
+
+	return b.String()
+}
+
+// RedisConnect tests a Redis connection
+func (a *App) RedisConnect(config connection.ConnectionConfig) connection.QueryResult {
+	config.Type = "redis"
+	_, err := a.getRedisClient(config)
+	if err != nil {
+		logger.Error(err, "RedisConnect 连接失败：%s", formatRedisConnSummary(config))
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	logger.Infof("RedisConnect 连接成功：%s", formatRedisConnSummary(config))
+	return connection.QueryResult{Success: true, Message: "连接成功"}
+}
+
+// RedisTestConnection tests a Redis connection (alias for RedisConnect)
+func (a *App) RedisTestConnection(config connection.ConnectionConfig) connection.QueryResult {
+	return a.RedisConnect(config)
+}
+
+// RedisScanKeys scans keys matching a pattern
+func (a *App) RedisScanKeys(config connection.ConnectionConfig, pattern string, cursor any, count int64) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	parsedCursor, err := parseRedisScanCursor(cursor)
+	if err != nil {
+		logger.Warnf("RedisScanKeys 游标解析失败，已回退到起始游标：cursor=%v err=%v", cursor, err)
+		parsedCursor = 0
+	}
+
+	result, err := client.ScanKeys(pattern, parsedCursor, count)
+	if err != nil {
+		logger.Error(err, "RedisScanKeys 扫描失败：pattern=%s", pattern)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Data: result}
+}
+
+func parseRedisScanCursor(cursor any) (uint64, error) {
+	switch v := cursor.(type) {
+	case nil:
+		return 0, nil
+	case uint64:
+		return v, nil
+	case uint32:
+		return uint64(v), nil
+	case uint16:
+		return uint64(v), nil
+	case uint8:
+		return uint64(v), nil
+	case uint:
+		return uint64(v), nil
+	case int64:
+		if v < 0 {
+			return 0, fmt.Errorf("游标不能为负数: %d", v)
+		}
+		return uint64(v), nil
+	case int32:
+		if v < 0 {
+			return 0, fmt.Errorf("游标不能为负数: %d", v)
+		}
+		return uint64(v), nil
+	case int16:
+		if v < 0 {
+			return 0, fmt.Errorf("游标不能为负数: %d", v)
+		}
+		return uint64(v), nil
+	case int8:
+		if v < 0 {
+			return 0, fmt.Errorf("游标不能为负数: %d", v)
+		}
+		return uint64(v), nil
+	case int:
+		if v < 0 {
+			return 0, fmt.Errorf("游标不能为负数: %d", v)
+		}
+		return uint64(v), nil
+	case float64:
+		return parseRedisScanCursorFromFloat(v)
+	case float32:
+		return parseRedisScanCursorFromFloat(float64(v))
+	case json.Number:
+		return parseRedisScanCursor(strings.TrimSpace(v.String()))
+	case string:
+		trimmed := strings.TrimSpace(v)
+		if trimmed == "" {
+			return 0, nil
+		}
+		parsed, err := strconv.ParseUint(trimmed, 10, 64)
+		if err != nil {
+			return 0, fmt.Errorf("无效游标: %q", v)
+		}
+		return parsed, nil
+	default:
+		return 0, fmt.Errorf("不支持的游标类型: %T", cursor)
+	}
+}
+
+func parseRedisScanCursorFromFloat(value float64) (uint64, error) {
+	if math.IsNaN(value) || math.IsInf(value, 0) {
+		return 0, fmt.Errorf("无效浮点游标: %v", value)
+	}
+	if value < 0 {
+		return 0, fmt.Errorf("游标不能为负数: %v", value)
+	}
+	if math.Trunc(value) != value {
+		return 0, fmt.Errorf("游标必须为整数: %v", value)
+	}
+	if value > float64(math.MaxUint64) {
+		return 0, fmt.Errorf("游标超出范围: %v", value)
+	}
+	return uint64(value), nil
+}
+
+// RedisGetValue gets the value of a key
+func (a *App) RedisGetValue(config connection.ConnectionConfig, key string) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	value, err := client.GetValue(key)
+	if err != nil {
+		logger.Error(err, "RedisGetValue 获取失败：key=%s", key)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Data: value}
+}
+
+// RedisSetString sets a string value
+func (a *App) RedisSetString(config connection.ConnectionConfig, key, value string, ttl int64) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	if err := client.SetString(key, value, ttl); err != nil {
+		logger.Error(err, "RedisSetString 设置失败：key=%s", key)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "设置成功"}
+}
+
+// RedisSetHashField sets a field in a hash
+func (a *App) RedisSetHashField(config connection.ConnectionConfig, key, field, value string) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	if err := client.SetHashField(key, field, value); err != nil {
+		logger.Error(err, "RedisSetHashField 设置失败：key=%s field=%s", key, field)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "设置成功"}
+}
+
+// RedisDeleteKeys deletes one or more keys
+func (a *App) RedisDeleteKeys(config connection.ConnectionConfig, keys []string) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	deleted, err := client.DeleteKeys(keys)
+	if err != nil {
+		logger.Error(err, "RedisDeleteKeys 删除失败：keys=%v", keys)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Data: map[string]int64{"deleted": deleted}}
+}
+
+// RedisSetTTL sets the TTL of a key
+func (a *App) RedisSetTTL(config connection.ConnectionConfig, key string, ttl int64) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	if err := client.SetTTL(key, ttl); err != nil {
+		logger.Error(err, "RedisSetTTL 设置失败：key=%s ttl=%d", key, ttl)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "设置成功"}
+}
+
+// RedisExecuteCommand executes a raw Redis command
+func (a *App) RedisExecuteCommand(config connection.ConnectionConfig, command string) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	// Parse command string into args
+	args := parseRedisCommand(command)
+	if len(args) == 0 {
+		return connection.QueryResult{Success: false, Message: "命令不能为空"}
+	}
+
+	result, err := client.ExecuteCommand(args)
+	if err != nil {
+		logger.Error(err, "RedisExecuteCommand 执行失败：command=%s", command)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Data: result}
+}
+
+// parseRedisCommand parses a Redis command string into arguments
+func parseRedisCommand(command string) []string {
+	command = strings.TrimSpace(command)
+	if command == "" {
+		return nil
+	}
+
+	var args []string
+	var current strings.Builder
+	inQuote := false
+	quoteChar := rune(0)
+
+	for _, ch := range command {
+		if inQuote {
+			if ch == quoteChar {
+				inQuote = false
+				args = append(args, current.String())
+				current.Reset()
+			} else {
+				current.WriteRune(ch)
+			}
+		} else {
+			if ch == '"' || ch == '\'' {
+				inQuote = true
+				quoteChar = ch
+			} else if ch == ' ' || ch == '\t' {
+				if current.Len() > 0 {
+					args = append(args, current.String())
+					current.Reset()
+				}
+			} else {
+				current.WriteRune(ch)
+			}
+		}
+	}
+
+	if current.Len() > 0 {
+		args = append(args, current.String())
+	}
+
+	return args
+}
+
+// RedisGetServerInfo returns server information
+func (a *App) RedisGetServerInfo(config connection.ConnectionConfig) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	info, err := client.GetServerInfo()
+	if err != nil {
+		logger.Error(err, "RedisGetServerInfo 获取失败")
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Data: info}
+}
+
+// RedisGetDatabases returns information about all databases
+func (a *App) RedisGetDatabases(config connection.ConnectionConfig) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	dbs, err := client.GetDatabases()
+	if err != nil {
+		logger.Error(err, "RedisGetDatabases 获取失败")
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Data: dbs}
+}
+
+// RedisSelectDB selects a database
+func (a *App) RedisSelectDB(config connection.ConnectionConfig, dbIndex int) connection.QueryResult {
+	config.Type = "redis"
+	config.RedisDB = dbIndex
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	if err := client.SelectDB(dbIndex); err != nil {
+		logger.Error(err, "RedisSelectDB 切换失败：db=%d", dbIndex)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "切换成功"}
+}
+
+// RedisRenameKey renames a key
+func (a *App) RedisRenameKey(config connection.ConnectionConfig, oldKey, newKey string) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	if err := client.RenameKey(oldKey, newKey); err != nil {
+		logger.Error(err, "RedisRenameKey 重命名失败：%s -> %s", oldKey, newKey)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "重命名成功"}
+}
+
+// RedisDeleteHashField deletes fields from a hash
+func (a *App) RedisDeleteHashField(config connection.ConnectionConfig, key string, fields []string) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	if err := client.DeleteHashField(key, fields...); err != nil {
+		logger.Error(err, "RedisDeleteHashField 删除失败：key=%s fields=%v", key, fields)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "删除成功"}
+}
+
+// RedisListPush pushes values to a list
+func (a *App) RedisListPush(config connection.ConnectionConfig, key string, values []string) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	if err := client.ListPush(key, values...); err != nil {
+		logger.Error(err, "RedisListPush 添加失败：key=%s", key)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "添加成功"}
+}
+
+// RedisListSet sets a value at an index in a list
+func (a *App) RedisListSet(config connection.ConnectionConfig, key string, index int64, value string) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	if err := client.ListSet(key, index, value); err != nil {
+		logger.Error(err, "RedisListSet 设置失败：key=%s index=%d", key, index)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "设置成功"}
+}
+
+// RedisSetAdd adds members to a set
+func (a *App) RedisSetAdd(config connection.ConnectionConfig, key string, members []string) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	if err := client.SetAdd(key, members...); err != nil {
+		logger.Error(err, "RedisSetAdd 添加失败：key=%s", key)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "添加成功"}
+}
+
+// RedisSetRemove removes members from a set
+func (a *App) RedisSetRemove(config connection.ConnectionConfig, key string, members []string) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	if err := client.SetRemove(key, members...); err != nil {
+		logger.Error(err, "RedisSetRemove 删除失败：key=%s", key)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "删除成功"}
+}
+
+// RedisZSetAdd adds members to a sorted set
+func (a *App) RedisZSetAdd(config connection.ConnectionConfig, key string, members []redis.ZSetMember) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	if err := client.ZSetAdd(key, members...); err != nil {
+		logger.Error(err, "RedisZSetAdd 添加失败：key=%s", key)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "添加成功"}
+}
+
+// RedisZSetRemove removes members from a sorted set
+func (a *App) RedisZSetRemove(config connection.ConnectionConfig, key string, members []string) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	if err := client.ZSetRemove(key, members...); err != nil {
+		logger.Error(err, "RedisZSetRemove 删除失败：key=%s", key)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "删除成功"}
+}
+
+// RedisStreamAdd adds an entry to a stream
+func (a *App) RedisStreamAdd(config connection.ConnectionConfig, key string, fields map[string]string, id string) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	newID, err := client.StreamAdd(key, fields, id)
+	if err != nil {
+		logger.Error(err, "RedisStreamAdd 添加失败：key=%s id=%s", key, id)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "添加成功", Data: map[string]string{"id": newID}}
+}
+
+// RedisStreamDelete deletes stream entries by IDs
+func (a *App) RedisStreamDelete(config connection.ConnectionConfig, key string, ids []string) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	deleted, err := client.StreamDelete(key, ids...)
+	if err != nil {
+		logger.Error(err, "RedisStreamDelete 删除失败：key=%s ids=%v", key, ids)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "删除成功", Data: map[string]int64{"deleted": deleted}}
+}
+
+// RedisFlushDB flushes the current database
+func (a *App) RedisFlushDB(config connection.ConnectionConfig) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	if err := client.FlushDB(); err != nil {
+		logger.Error(err, "RedisFlushDB 清空失败")
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "清空成功"}
+}
+
+// CloseAllRedisClients closes all cached Redis clients (called on shutdown)
+func CloseAllRedisClients() {
+	redisCacheMu.Lock()
+	defer redisCacheMu.Unlock()
+
+	for key, client := range redisCache {
+		if client != nil {
+			client.Close()
+			logger.Infof("已关闭 Redis 连接：%s", key[:12])
+		}
+	}
+	redisCache = make(map[string]redis.RedisClient)
+}

internal/app/methods_redis_cursor_test.go

@@ -0,0 +1,50 @@
+package app
+
+import (
+	"encoding/json"
+	"testing"
+)
+
+func TestParseRedisScanCursor(t *testing.T) {
+	t.Parallel()
+
+	testCases := []struct {
+		name    string
+		input   any
+		want    uint64
+		wantErr bool
+	}{
+		{name: "nil defaults to zero", input: nil, want: 0},
+		{name: "empty string defaults to zero", input: "  ", want: 0},
+		{name: "string cursor", input: "123", want: 123},
+		{name: "uint64 cursor", input: uint64(456), want: 456},
+		{name: "int cursor", input: int(789), want: 789},
+		{name: "float cursor", input: float64(42), want: 42},
+		{name: "json number cursor", input: json.Number("88"), want: 88},
+		{name: "negative int rejected", input: -1, wantErr: true},
+		{name: "fraction float rejected", input: float64(1.5), wantErr: true},
+		{name: "invalid string rejected", input: "abc", wantErr: true},
+		{name: "unsupported type rejected", input: true, wantErr: true},
+	}
+
+	for _, tc := range testCases {
+		tc := tc
+		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+
+			got, err := parseRedisScanCursor(tc.input)
+			if tc.wantErr {
+				if err == nil {
+					t.Fatalf("expected error, got nil (value=%d)", got)
+				}
+				return
+			}
+			if err != nil {
+				t.Fatalf("unexpected error: %v", err)
+			}
+			if got != tc.want {
+				t.Fatalf("parseRedisScanCursor() mismatch, want=%d got=%d", tc.want, got)
+			}
+		})
+	}
+}

internal/app/methods_sync.go

@@ -1,11 +1,99 @@
 package app
 
 import (
+	"fmt"
+	"strings"
+	"time"
+
+	"GoNavi-Wails/internal/connection"
 	"GoNavi-Wails/internal/sync"
+
+	"github.com/wailsapp/wails/v2/pkg/runtime"
 )
 
 // DataSync executes a data synchronization task
 func (a *App) DataSync(config sync.SyncConfig) sync.SyncResult {
-	engine := sync.NewSyncEngine()
-	return engine.RunSync(config)
+	jobID := strings.TrimSpace(config.JobID)
+	if jobID == "" {
+		jobID = fmt.Sprintf("sync-%d", time.Now().UnixNano())
+		config.JobID = jobID
+	}
+
+	reporter := sync.Reporter{
+		OnLog: func(event sync.SyncLogEvent) {
+			runtime.EventsEmit(a.ctx, sync.EventSyncLog, event)
+		},
+		OnProgress: func(event sync.SyncProgressEvent) {
+			runtime.EventsEmit(a.ctx, sync.EventSyncProgress, event)
+		},
+	}
+
+	runtime.EventsEmit(a.ctx, sync.EventSyncStart, map[string]any{
+		"jobId": jobID,
+		"total": len(config.Tables),
+	})
+
+	engine := sync.NewSyncEngine(reporter)
+	res := engine.RunSync(config)
+
+	runtime.EventsEmit(a.ctx, sync.EventSyncDone, map[string]any{
+		"jobId":  jobID,
+		"result": res,
+	})
+
+	return res
+}
+
+// DataSyncAnalyze analyzes differences between source and target for the given tables (dry-run).
+func (a *App) DataSyncAnalyze(config sync.SyncConfig) connection.QueryResult {
+	jobID := strings.TrimSpace(config.JobID)
+	if jobID == "" {
+		jobID = fmt.Sprintf("analyze-%d", time.Now().UnixNano())
+		config.JobID = jobID
+	}
+
+	reporter := sync.Reporter{
+		OnLog: func(event sync.SyncLogEvent) {
+			runtime.EventsEmit(a.ctx, sync.EventSyncLog, event)
+		},
+		OnProgress: func(event sync.SyncProgressEvent) {
+			runtime.EventsEmit(a.ctx, sync.EventSyncProgress, event)
+		},
+	}
+
+	runtime.EventsEmit(a.ctx, sync.EventSyncStart, map[string]any{
+		"jobId": jobID,
+		"total": len(config.Tables),
+		"type":  "analyze",
+	})
+
+	engine := sync.NewSyncEngine(reporter)
+	res := engine.Analyze(config)
+
+	runtime.EventsEmit(a.ctx, sync.EventSyncDone, map[string]any{
+		"jobId":  jobID,
+		"result": res,
+		"type":   "analyze",
+	})
+
+	if !res.Success {
+		return connection.QueryResult{Success: false, Message: res.Message, Data: res}
+	}
+	return connection.QueryResult{Success: true, Message: res.Message, Data: res}
+}
+
+// DataSyncPreview returns a limited preview of diff rows for one table.
+func (a *App) DataSyncPreview(config sync.SyncConfig, tableName string, limit int) connection.QueryResult {
+	jobID := strings.TrimSpace(config.JobID)
+	if jobID == "" {
+		jobID = fmt.Sprintf("preview-%d", time.Now().UnixNano())
+		config.JobID = jobID
+	}
+
+	engine := sync.NewSyncEngine(sync.Reporter{})
+	preview, err := engine.Preview(config, tableName, limit)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	return connection.QueryResult{Success: true, Message: "OK", Data: preview}
 }

internal/app/methods_update_windows_script_test.go

@@ -0,0 +1,40 @@
+package app
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestBuildWindowsScriptKeepsBatchForSyntax(t *testing.T) {
+	script := buildWindowsScript(
+		`C:\tmp\GoNavi-v0.4.0-windows-amd64.zip`,
+		`C:\Program Files\GoNavi\GoNavi.exe`,
+		`C:\Program Files\GoNavi\.gonavi-update-windows-v0.4.0`,
+		`C:\Program Files\GoNavi\logs\update-install.log`,
+		13579,
+	)
+
+	mustContain := []string{
+		`for %%I in ("%TARGET%") do set "TARGET_NAME=%%~nxI"`,
+		`for %%I in ("%SOURCE%") do set "SOURCE_EXT=%%~xI"`,
+		`for /R "%EXTRACT_DIR%" %%F in (*.exe) do (`,
+		`set "SOURCE_EXE=%%~fF"`,
+	}
+	for _, want := range mustContain {
+		if !strings.Contains(script, want) {
+			t.Fatalf("windows update script missing required token: %s\nscript:\n%s", want, script)
+		}
+	}
+
+	mustNotContain := []string{
+		`for %I in ("%TARGET%") do set "TARGET_NAME=%~nxI"`,
+		`for %I in ("%SOURCE%") do set "SOURCE_EXT=%~xI"`,
+		`for /R "%EXTRACT_DIR%" %F in (*.exe) do (`,
+		`set "SOURCE_EXE=%~fF"`,
+	}
+	for _, bad := range mustNotContain {
+		if strings.Contains(script, bad) {
+			t.Fatalf("windows update script contains invalid batch syntax: %s\nscript:\n%s", bad, script)
+		}
+	}
+}

internal/app/sql_sanitize.go

@@ -0,0 +1,236 @@
+package app
+
+import (
+	"strings"
+	"unicode"
+)
+
+func sanitizeSQLForPgLike(dbType string, query string) string {
+	switch strings.ToLower(strings.TrimSpace(dbType)) {
+	case "postgres", "kingbase", "highgo", "vastbase":
+		// 有些情况下会出现多层重复引用（例如 """"schema"""" 或 ""schema"""），单次修复不一定收敛。
+		// 这里做有限次数的迭代，直到输出不再变化。
+		out := query
+		for i := 0; i < 3; i++ {
+			fixed := fixBrokenDoubleDoubleQuotedIdent(out)
+			if fixed == out {
+				break
+			}
+			out = fixed
+		}
+		return out
+	default:
+		return query
+	}
+}
+
+// fixBrokenDoubleDoubleQuotedIdent fixes accidental identifiers like:
+//
+//	SELECT * FROM ""schema"".""table""
+//
+// which can be produced when a quoted identifier gets wrapped by quotes again.
+//
+// It is intentionally conservative:
+// - only runs outside strings/comments/dollar-quoted blocks
+// - does not touch valid escaped-quote sequences inside quoted identifiers (e.g. "a""b")
+func fixBrokenDoubleDoubleQuotedIdent(query string) string {
+	if !strings.Contains(query, `""`) {
+		return query
+	}
+
+	var b strings.Builder
+	b.Grow(len(query))
+
+	inSingle := false
+	inDoubleIdent := false
+	inLineComment := false
+	inBlockComment := false
+	dollarTag := ""
+
+	for i := 0; i < len(query); i++ {
+		ch := query[i]
+		next := byte(0)
+		if i+1 < len(query) {
+			next = query[i+1]
+		}
+
+		if inLineComment {
+			b.WriteByte(ch)
+			if ch == '\n' {
+				inLineComment = false
+			}
+			continue
+		}
+		if inBlockComment {
+			b.WriteByte(ch)
+			if ch == '*' && next == '/' {
+				b.WriteByte('/')
+				i++
+				inBlockComment = false
+			}
+			continue
+		}
+		if dollarTag != "" {
+			if strings.HasPrefix(query[i:], dollarTag) {
+				b.WriteString(dollarTag)
+				i += len(dollarTag) - 1
+				dollarTag = ""
+				continue
+			}
+			b.WriteByte(ch)
+			continue
+		}
+		if inSingle {
+			b.WriteByte(ch)
+			if ch == '\'' {
+				// escaped single quote
+				if next == '\'' {
+					b.WriteByte('\'')
+					i++
+					continue
+				}
+				inSingle = false
+			}
+			continue
+		}
+		if inDoubleIdent {
+			b.WriteByte(ch)
+			if ch == '"' {
+				// escaped quote inside identifier
+				if next == '"' {
+					b.WriteByte('"')
+					i++
+					continue
+				}
+				inDoubleIdent = false
+			}
+			continue
+		}
+
+		// --- Outside of all string/comment blocks ---
+		if ch == '-' && next == '-' {
+			b.WriteByte(ch)
+			b.WriteByte('-')
+			i++
+			inLineComment = true
+			continue
+		}
+		if ch == '/' && next == '*' {
+			b.WriteByte(ch)
+			b.WriteByte('*')
+			i++
+			inBlockComment = true
+			continue
+		}
+		if ch == '\'' {
+			b.WriteByte(ch)
+			inSingle = true
+			continue
+		}
+		if ch == '$' {
+			if tag := parseDollarTag(query[i:]); tag != "" {
+				b.WriteString(tag)
+				i += len(tag) - 1
+				dollarTag = tag
+				continue
+			}
+		}
+
+		if ch == '"' {
+			// Fix: ""ident"" -> "ident" (only when it looks like a plain identifier)
+			// Also handle variants like ""ident""" / """"ident"""" (extra quotes at either side).
+			if next == '"' {
+				if replacement, advance, ok := tryFixDoubleDoubleQuotedIdent(query, i); ok {
+					b.WriteString(replacement)
+					i = advance - 1
+					continue
+				}
+			}
+
+			b.WriteByte(ch)
+			inDoubleIdent = true
+			continue
+		}
+
+		b.WriteByte(ch)
+	}
+
+	return b.String()
+}
+
+func tryFixDoubleDoubleQuotedIdent(query string, start int) (replacement string, advance int, ok bool) {
+	// start points at the first quote of a broken identifier, usually like:
+	//   ""ident""  / ""ident""" / """"ident""""
+	if start < 0 || start+1 >= len(query) {
+		return "", 0, false
+	}
+	if query[start] != '"' || query[start+1] != '"' {
+		return "", 0, false
+	}
+	if start > 0 && query[start-1] == '"' {
+		return "", 0, false
+	}
+
+	runLen := 0
+	for start+runLen < len(query) && query[start+runLen] == '"' {
+		runLen++
+	}
+	if runLen < 2 || runLen%2 == 1 {
+		// Odd run (e.g. """...) can be a valid quoted identifier with escaped quotes.
+		return "", 0, false
+	}
+
+	contentStart := start + runLen
+	j := contentStart
+	for j < len(query) {
+		if query[j] == '"' {
+			endRunLen := 0
+			for j+endRunLen < len(query) && query[j+endRunLen] == '"' {
+				endRunLen++
+			}
+			if endRunLen >= 2 {
+				content := strings.TrimSpace(query[contentStart:j])
+				if looksLikeIdentifierContent(content) {
+					return `"` + content + `"`, j + endRunLen, true
+				}
+				return "", 0, false
+			}
+		}
+		// Fast abort: identifier-like content should not span lines.
+		if query[j] == '\n' || query[j] == '\r' {
+			break
+		}
+		j++
+	}
+	return "", 0, false
+}
+
+func looksLikeIdentifierContent(s string) bool {
+	if strings.TrimSpace(s) == "" {
+		return false
+	}
+	for _, r := range s {
+		if r == '_' || r == '$' || r == '-' || unicode.IsLetter(r) || unicode.IsDigit(r) {
+			continue
+		}
+		return false
+	}
+	return true
+}
+
+func parseDollarTag(s string) string {
+	// Match: $tag$ where tag is [A-Za-z0-9_]* (can be empty => $$)
+	if len(s) < 2 || s[0] != '$' {
+		return ""
+	}
+	for i := 1; i < len(s); i++ {
+		c := s[i]
+		if c == '$' {
+			return s[:i+1]
+		}
+		if !((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9') || c == '_') {
+			return ""
+		}
+	}
+	return ""
+}

internal/app/sql_sanitize_test.go

@@ -0,0 +1,55 @@
+package app
+
+import "testing"
+
+func TestSanitizeSQLForPgLike_FixesBrokenDoubleDoubleQuotes(t *testing.T) {
+	in := `SELECT * FROM ""ldf_server"".""t_user"" LIMIT 1`
+	out := sanitizeSQLForPgLike("kingbase", in)
+	want := `SELECT * FROM "ldf_server"."t_user" LIMIT 1`
+	if out != want {
+		t.Fatalf("unexpected sanitize output:\nIN:   %s\nOUT:  %s\nWANT: %s", in, out, want)
+	}
+}
+
+func TestSanitizeSQLForPgLike_FixesBrokenDoubleDoubleQuotes_WithExtraQuotes(t *testing.T) {
+	in := `SELECT * FROM ""ldf_server""".""t_user"" LIMIT 1`
+	out := sanitizeSQLForPgLike("kingbase", in)
+	want := `SELECT * FROM "ldf_server"."t_user" LIMIT 1`
+	if out != want {
+		t.Fatalf("unexpected sanitize output:\nIN:   %s\nOUT:  %s\nWANT: %s", in, out, want)
+	}
+}
+
+func TestSanitizeSQLForPgLike_FixesBrokenDoubleDoubleQuotes_WithQuadQuotes(t *testing.T) {
+	in := `SELECT * FROM """"ldf_server"""".""t_user"" LIMIT 1`
+	out := sanitizeSQLForPgLike("kingbase", in)
+	want := `SELECT * FROM "ldf_server"."t_user" LIMIT 1`
+	if out != want {
+		t.Fatalf("unexpected sanitize output:\nIN:   %s\nOUT:  %s\nWANT: %s", in, out, want)
+	}
+}
+
+func TestSanitizeSQLForPgLike_DoesNotTouchEscapedQuotesInsideIdentifier(t *testing.T) {
+	in := `SELECT "a""b" FROM "t""x"`
+	out := sanitizeSQLForPgLike("postgres", in)
+	if out != in {
+		t.Fatalf("should keep valid escaped quotes inside identifier:\nIN:  %s\nOUT: %s", in, out)
+	}
+}
+
+func TestSanitizeSQLForPgLike_DoesNotTouchDollarQuotedStrings(t *testing.T) {
+	in := "SELECT $$\"\"ldf_server\"\"$$, \"\"ldf_server\"\""
+	out := sanitizeSQLForPgLike("postgres", in)
+	want := "SELECT $$\"\"ldf_server\"\"$$, \"ldf_server\""
+	if out != want {
+		t.Fatalf("unexpected sanitize output for dollar quoted string:\nIN:   %s\nOUT:  %s\nWANT: %s", in, out, want)
+	}
+}
+
+func TestSanitizeSQLForPgLike_DoesNotModifyOtherDBTypes(t *testing.T) {
+	in := `SELECT * FROM ""ldf_server""`
+	out := sanitizeSQLForPgLike("mysql", in)
+	if out != in {
+		t.Fatalf("non-PG-like db should not be sanitized:\nIN:  %s\nOUT: %s", in, out)
+	}
+}

internal/app/version.go

@@ -0,0 +1,53 @@
+package app
+
+import (
+	"encoding/json"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+var AppVersion = "0.0.0"
+var AppBuildTime = ""
+
+func getCurrentVersion() string {
+	version := strings.TrimSpace(AppVersion)
+	if version == "" || version == "0.0.0" {
+		if env := strings.TrimSpace(os.Getenv("GONAVI_VERSION")); env != "" {
+			version = env
+		} else if pkgVersion, err := readPackageVersion(); err == nil && pkgVersion != "" {
+			version = pkgVersion
+		}
+	}
+	return normalizeVersion(version)
+}
+
+func readPackageVersion() (string, error) {
+	paths := []string{
+		filepath.Join("frontend", "package.json"),
+	}
+	exe, err := os.Executable()
+	if err == nil {
+		base := filepath.Dir(exe)
+		paths = append(paths, filepath.Join(base, "frontend", "package.json"))
+		paths = append(paths, filepath.Join(base, "..", "frontend", "package.json"))
+	}
+
+	for _, p := range paths {
+		data, err := os.ReadFile(p)
+		if err != nil {
+			continue
+		}
+		var payload struct {
+			Version string `json:"version"`
+		}
+		if err := json.Unmarshal(data, &payload); err != nil {
+			continue
+		}
+		if strings.TrimSpace(payload.Version) != "" {
+			return strings.TrimSpace(payload.Version), nil
+		}
+	}
+
+	return "", os.ErrNotExist
+}

internal/app/window_translucency_darwin.go

@@ -0,0 +1,121 @@
+//go:build darwin
+
+package app
+
+/*
+#cgo CFLAGS: -x objective-c -fblocks
+#cgo LDFLAGS: -framework Cocoa
+#import <Cocoa/Cocoa.h>
+#import <dispatch/dispatch.h>
+
+static void gonaviTuneWindowTranslucency(NSWindow *window) {
+	if (window == nil) {
+		return;
+	}
+	CGFloat cornerRadius = 14.0;
+
+	[window setOpaque:NO];
+	[window setBackgroundColor:[NSColor clearColor]];
+	[window setHasShadow:YES];
+	[window setMovableByWindowBackground:YES];
+
+	NSView *contentView = [window contentView];
+	if (contentView == nil) {
+		return;
+	}
+
+	[contentView setWantsLayer:YES];
+	[[contentView layer] setBackgroundColor:[[NSColor clearColor] CGColor]];
+	[[contentView layer] setCornerRadius:cornerRadius];
+	[[contentView layer] setMasksToBounds:YES];
+
+	NSVisualEffectView *effectView = nil;
+	for (NSView *subview in [contentView subviews]) {
+		if ([subview isKindOfClass:[NSVisualEffectView class]]) {
+			effectView = (NSVisualEffectView *)subview;
+			break;
+		}
+	}
+
+	if (effectView == nil) {
+		effectView = [[NSVisualEffectView alloc] initWithFrame:[contentView bounds]];
+		[effectView setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
+		[contentView addSubview:effectView positioned:NSWindowBelow relativeTo:nil];
+		[effectView release];
+	}
+
+	if (@available(macOS 10.14, *)) {
+		[effectView setMaterial:NSVisualEffectMaterialHUDWindow];
+	}
+	[effectView setBlendingMode:NSVisualEffectBlendingModeBehindWindow];
+	[effectView setState:NSVisualEffectStateActive];
+	// 默认 alpha=0（不可见），由前端根据用户外观设置动态启用
+	[effectView setAlphaValue:0.0];
+	[effectView setWantsLayer:YES];
+	[[effectView layer] setCornerRadius:cornerRadius];
+	[[effectView layer] setMasksToBounds:YES];
+}
+
+static void gonaviApplyWindowTranslucencyFix() {
+	// 启动时应用窗口透明度修复，减少重试次数以降低启动期 GPU 负载
+	for (int i = 0; i < 8; i++) {
+		dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(i * 250 * NSEC_PER_MSEC)), dispatch_get_main_queue(), ^{
+			for (NSWindow *window in [NSApp windows]) {
+				gonaviTuneWindowTranslucency(window);
+			}
+		});
+	}
+}
+
+// 动态设置 NSVisualEffectView 的透明度和窗口不透明标志。
+// alpha <= 0 时窗口标记为 opaque，GPU 不再持续计算窗口背后的模糊效果。
+static void gonaviSetEffectViewAlpha(double alpha) {
+	dispatch_async(dispatch_get_main_queue(), ^{
+		for (NSWindow *window in [NSApp windows]) {
+			NSView *contentView = [window contentView];
+			if (contentView == nil) {
+				continue;
+			}
+
+			for (NSView *subview in [contentView subviews]) {
+				if ([subview isKindOfClass:[NSVisualEffectView class]]) {
+					NSVisualEffectView *effectView = (NSVisualEffectView *)subview;
+					[effectView setAlphaValue:alpha];
+					break;
+				}
+			}
+
+			if (alpha <= 0.01) {
+				[window setOpaque:YES];
+			} else {
+				[window setOpaque:NO];
+				[window setBackgroundColor:[NSColor clearColor]];
+			}
+		}
+	});
+}
+*/
+import "C"
+
+func applyMacWindowTranslucencyFix() {
+	C.gonaviApplyWindowTranslucencyFix()
+}
+
+// setMacWindowTranslucency 根据用户外观设置动态调整 macOS 窗口透明度。
+// opacity=1.0 且 blur=0 时关闭 NSVisualEffectView（alpha=0），窗口标记为 opaque，
+// GPU 不再持续计算窗口背后的模糊合成，显著降低 CPU/GPU 温度。
+func setMacWindowTranslucency(opacity float64, blur float64) {
+	if opacity >= 0.999 && blur <= 0 {
+		C.gonaviSetEffectViewAlpha(C.double(0.0))
+	} else {
+		// 半透明模式：NSVisualEffectView alpha 根据透明度动态映射
+		alpha := (1.0 - opacity) * 1.2
+		if alpha < 0.3 {
+			alpha = 0.3
+		}
+		if alpha > 0.85 {
+			alpha = 0.85
+		}
+		C.gonaviSetEffectViewAlpha(C.double(alpha))
+	}
+}

internal/app/window_translucency_stub.go

@@ -0,0 +1,7 @@
+//go:build !darwin
+
+package app
+
+func applyMacWindowTranslucencyFix() {}
+
+func setMacWindowTranslucency(opacity float64, blur float64) {}