✨feat(drivers): 支持按需启动数据源并通过外置驱动代理减少发行包体积

- MySQL/Redis/Oracle/PostgreSQL 内置可用，其余数据源改为“安装启用”后可用
- 新建连接对未安装驱动做弹窗内拦截提示，并支持一键跳转驱动管理安装
- 驱动管理展示安装包真实大小（从 Release 资产元数据读取）并优化加载性能
- Release 工作流发布各平台驱动代理资产，主程序构建启用 -s -w 精简

frontend/src/App.tsx

@@ -7,6 +7,7 @@ import Sidebar from './components/Sidebar';
 import TabManager from './components/TabManager';
 import ConnectionModal from './components/ConnectionModal';
 import DataSyncModal from './components/DataSyncModal';
+import DriverManagerModal from './components/DriverManagerModal';
 import LogPanel from './components/LogPanel';
 import { useStore } from './store';
 import { SavedConnection } from './types';
@@ -19,6 +20,7 @@ const { Sider, Content } = Layout;
 function App() {
   const [isModalOpen, setIsModalOpen] = useState(false);
   const [isSyncModalOpen, setIsSyncModalOpen] = useState(false);
+  const [isDriverModalOpen, setIsDriverModalOpen] = useState(false);
   const [editingConnection, setEditingConnection] = useState<SavedConnection | null>(null);
   const themeMode = useStore(state => state.theme);
   const setTheme = useStore(state => state.setTheme);
@@ -378,6 +380,12 @@ function App() {
           label: '数据同步',
           icon: <UploadOutlined rotate={90} />,
           onClick: () => setIsSyncModalOpen(true)
+      },
+      {
+          key: 'drivers',
+          label: '驱动管理',
+          icon: <SettingOutlined />,
+          onClick: () => setIsDriverModalOpen(true)
       }
   ];
 
@@ -467,6 +475,12 @@ function App() {
       setEditingConnection(null);
   };
 
+  const handleOpenDriverManagerFromConnection = () => {
+      setIsModalOpen(false);
+      setEditingConnection(null);
+      setIsDriverModalOpen(true);
+  };
+
   const handleTitleBarDoubleClick = (e: React.MouseEvent<HTMLDivElement>) => {
       const target = e.target as HTMLElement | null;
       if (target?.closest('[data-no-titlebar-toggle="true"]')) {
@@ -793,11 +807,16 @@ function App() {
             open={isModalOpen} 
             onClose={handleCloseModal} 
             initialValues={editingConnection}
+            onOpenDriverManager={handleOpenDriverManagerFromConnection}
           />
           <DataSyncModal
             open={isSyncModalOpen}
             onClose={() => setIsSyncModalOpen(false)}
           />
+          <DriverManagerModal
+            open={isDriverModalOpen}
+            onClose={() => setIsDriverModalOpen(false)}
+          />
           <Modal
             title="关于 GoNavi"
             open={isAboutOpen}

frontend/src/components/ConnectionModal.tsx

@@ -2,7 +2,7 @@ import React, { useState, useEffect, useRef } from 'react';
 import { Modal, Form, Input, InputNumber, Button, message, Checkbox, Divider, Select, Alert, Card, Row, Col, Typography, Collapse, Space, Table, Tag } from 'antd';
 import { DatabaseOutlined, ConsoleSqlOutlined, FileTextOutlined, CloudServerOutlined, AppstoreAddOutlined, CloudOutlined, CheckCircleFilled, CloseCircleFilled } from '@ant-design/icons';
 import { useStore } from '../store';
-import { DBGetDatabases, MongoDiscoverMembers, TestConnection, RedisConnect } from '../../wailsjs/go/app/App';
+import { DBGetDatabases, GetDriverStatusList, MongoDiscoverMembers, TestConnection, RedisConnect } from '../../wailsjs/go/app/App';
 import { MongoMemberInfo, SavedConnection } from '../types';
 
 const { Meta } = Card;
@@ -34,7 +34,26 @@ const getDefaultPortByType = (type: string) => {
 
 const isFileDatabaseType = (type: string) => type === 'sqlite' || type === 'duckdb';
 
-const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialValues?: SavedConnection | null }> = ({ open, onClose, initialValues }) => {
+type DriverStatusSnapshot = {
+  type: string;
+  name: string;
+  connectable: boolean;
+  message?: string;
+};
+
+const normalizeDriverType = (value: string): string => {
+  const normalized = String(value || '').trim().toLowerCase();
+  if (normalized === 'postgresql') return 'postgres';
+  if (normalized === 'doris') return 'diros';
+  return normalized;
+};
+
+const ConnectionModal: React.FC<{
+  open: boolean;
+  onClose: () => void;
+  initialValues?: SavedConnection | null;
+  onOpenDriverManager?: () => void;
+}> = ({ open, onClose, initialValues, onOpenDriverManager }) => {
   const [form] = Form.useForm();
   const [loading, setLoading] = useState(false);
   const [useSSH, setUseSSH] = useState(false);
@@ -48,6 +67,9 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
   const [mongoMembers, setMongoMembers] = useState<MongoMemberInfo[]>([]);
   const [discoveringMembers, setDiscoveringMembers] = useState(false);
   const [uriFeedback, setUriFeedback] = useState<{ type: 'success' | 'warning' | 'error'; message: string } | null>(null);
+  const [typeSelectWarning, setTypeSelectWarning] = useState<{ driverName: string; reason: string } | null>(null);
+  const [driverStatusMap, setDriverStatusMap] = useState<Record<string, DriverStatusSnapshot>>({});
+  const [driverStatusLoaded, setDriverStatusLoaded] = useState(false);
   const testInFlightRef = useRef(false);
   const testTimerRef = useRef<number | null>(null);
   const addConnection = useStore((state) => state.addConnection);
@@ -56,6 +78,70 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
   const mongoTopology = Form.useWatch('mongoTopology', form) || 'single';
   const mongoSrv = Form.useWatch('mongoSrv', form) || false;
 
+  const fetchDriverStatusMap = async (): Promise<Record<string, DriverStatusSnapshot>> => {
+      const result: Record<string, DriverStatusSnapshot> = {};
+      const res = await GetDriverStatusList('', '');
+      if (!res?.success) {
+          return result;
+      }
+      const data = (res?.data || {}) as any;
+      const drivers = Array.isArray(data.drivers) ? data.drivers : [];
+      drivers.forEach((item: any) => {
+          const type = normalizeDriverType(String(item.type || '').trim());
+          if (!type) return;
+          result[type] = {
+              type,
+              name: String(item.name || item.type || type).trim(),
+              connectable: !!item.connectable,
+              message: String(item.message || '').trim() || undefined,
+          };
+      });
+      return result;
+  };
+
+  const refreshDriverStatus = async () => {
+      try {
+          const next = await fetchDriverStatusMap();
+          setDriverStatusMap(next);
+      } catch {
+          setDriverStatusMap({});
+      } finally {
+          setDriverStatusLoaded(true);
+      }
+  };
+
+  const resolveDriverUnavailableReason = async (type: string): Promise<string> => {
+      const normalized = normalizeDriverType(type);
+      if (!normalized || normalized === 'custom') {
+          return '';
+      }
+      let snapshot = driverStatusMap;
+      if (!snapshot[normalized]) {
+          snapshot = await fetchDriverStatusMap();
+          setDriverStatusMap(snapshot);
+      }
+      const status = snapshot[normalized];
+      if (!status || status.connectable) {
+          return '';
+      }
+      return status.message || `${status.name || normalized} 驱动未安装启用，请先在驱动管理中安装`;
+  };
+
+  const promptInstallDriver = (driverType: string, reason: string) => {
+      const normalized = normalizeDriverType(driverType);
+      const snapshot = driverStatusMap[normalized];
+      const driverName = snapshot?.name || normalized || '当前';
+      Modal.confirm({
+          title: `${driverName} 驱动不可用`,
+          content: reason || `${driverName} 驱动未安装启用，请先在驱动管理中安装`,
+          okText: '去驱动管理安装',
+          cancelText: '取消',
+          onOk: () => {
+              onOpenDriverManager?.();
+          },
+      });
+  };
+
   const parseHostPort = (raw: string, defaultPort: number): { host: string; port: number } | null => {
       const text = String(raw || '').trim();
       if (!text) {
@@ -507,6 +593,9 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
           setRedisDbList([]);
           setMongoMembers([]);
           setUriFeedback(null);
+          setTypeSelectWarning(null);
+          setDriverStatusLoaded(false);
+          void refreshDriverStatus();
           if (initialValues) {
               // Edit mode: Go directly to step 2
               setStep(2);
@@ -588,6 +677,12 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
   const handleOk = async () => {
     try {
       const values = await form.validateFields();
+      const unavailableReason = await resolveDriverUnavailableReason(values.type);
+      if (unavailableReason) {
+          message.warning(unavailableReason);
+          promptInstallDriver(values.type, unavailableReason);
+          return;
+      }
       setLoading(true);
 
       const config = await buildConfig(values, true);
@@ -641,6 +736,13 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
       testInFlightRef.current = true;
       try {
           const values = await form.validateFields();
+          const unavailableReason = await resolveDriverUnavailableReason(values.type);
+          if (unavailableReason) {
+              const failMessage = buildTestFailureMessage(unavailableReason, '驱动未安装启用');
+              setTestResult({ type: 'error', message: failMessage });
+              promptInstallDriver(values.type, unavailableReason);
+              return;
+          }
           setLoading(true);
           setTestResult(null);
           const config = await buildConfig(values, false);
@@ -845,7 +947,15 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
       };
   };
 
-  const handleTypeSelect = (type: string) => {
+  const handleTypeSelect = async (type: string) => {
+      const unavailableReason = await resolveDriverUnavailableReason(type);
+      if (unavailableReason) {
+          const normalized = normalizeDriverType(type);
+          const driverName = driverStatusMap[normalized]?.name || type;
+          setTypeSelectWarning({ driverName, reason: unavailableReason });
+          return;
+      }
+      setTypeSelectWarning(null);
       setDbType(type);
       form.setFieldsValue({ type: type });
 
@@ -877,6 +987,14 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
   const isFileDb = isFileDatabaseType(dbType);
   const isCustom = dbType === 'custom';
   const isRedis = dbType === 'redis';
+  const currentDriverType = normalizeDriverType(dbType);
+  const currentDriverSnapshot = driverStatusMap[currentDriverType];
+  const currentDriverUnavailableReason = currentDriverType !== 'custom'
+      && currentDriverSnapshot
+      && !currentDriverSnapshot.connectable
+      ? (currentDriverSnapshot.message || `${currentDriverSnapshot.name || dbType} 驱动未安装启用`)
+      : '';
+  const driverStatusChecking = currentDriverType !== 'custom' && !driverStatusLoaded && step === 2;
 
   const dbTypeGroups = [
       { label: '关系型数据库', items: [
@@ -911,6 +1029,24 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
   const dbTypes = dbTypeGroups.flatMap(g => g.items);
 
   const renderStep1 = () => (
+      <div style={{ display: 'flex', flexDirection: 'column', gap: 12 }}>
+          {typeSelectWarning && (
+              <Alert
+                  type="warning"
+                  showIcon
+                  closable
+                  message={`${typeSelectWarning.driverName} 驱动未启用`}
+                  description={(
+                      <Space size={8}>
+                          <span>{typeSelectWarning.reason}</span>
+                          <Button type="link" size="small" onClick={() => onOpenDriverManager?.()}>
+                              去驱动管理安装
+                          </Button>
+                      </Space>
+                  )}
+                  onClose={() => setTypeSelectWarning(null)}
+              />
+          )}
       <div style={{ display: 'flex', height: 360 }}>
           {/* 左侧分类导航 */}
           <div style={{ width: 120, borderRight: '1px solid #f0f0f0', paddingRight: 8, flexShrink: 0 }}>
@@ -941,7 +1077,7 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
                       <Col span={8} key={item.key}>
                           <Card
                               hoverable
-                              onClick={() => handleTypeSelect(item.key)}
+                              onClick={() => { void handleTypeSelect(item.key); }}
                               style={{ textAlign: 'center', cursor: 'pointer', height: 100 }}
                               styles={{ body: { padding: '16px 8px', display: 'flex', flexDirection: 'column', alignItems: 'center', justifyContent: 'center', height: '100%' } }}
                           >
@@ -953,6 +1089,7 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
               </Row>
           </div>
       </div>
+      </div>
   );
 
   const renderStep2 = () => (
@@ -1032,6 +1169,22 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
                 style={{ marginBottom: 12 }}
             />
         )}
+        {currentDriverUnavailableReason && (
+            <Alert
+                showIcon
+                type="warning"
+                style={{ marginBottom: 12 }}
+                message="当前数据源驱动未启用"
+                description={(
+                    <Space size={8}>
+                        <span>{currentDriverUnavailableReason}</span>
+                        <Button type="link" size="small" onClick={() => onOpenDriverManager?.()}>
+                            去驱动管理安装
+                        </Button>
+                    </Space>
+                )}
+            />
+        )}
         
         {isCustom ? (
             <>
@@ -1342,6 +1495,7 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
       }
       const isTestSuccess = testResult?.type === 'success';
       const hasTestError = !!testResult && !isTestSuccess;
+      const operationBlocked = !!currentDriverUnavailableReason || driverStatusChecking;
       return (
           <div style={{ display: 'flex', width: '100%', alignItems: 'center', justifyContent: 'space-between', gap: 12 }}>
               <div style={{ display: 'flex', alignItems: 'center', gap: 8, flex: 1, minWidth: 0 }}>
@@ -1387,9 +1541,9 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
                   )}
               </div>
               <Space size={8} style={{ flexShrink: 0 }}>
-                  <Button key="test" loading={loading} onClick={requestTest}>测试连接</Button>
+                  <Button key="test" loading={loading} disabled={operationBlocked} onClick={requestTest}>测试连接</Button>
                   <Button key="cancel" onClick={onClose}>取消</Button>
-                  <Button key="submit" type="primary" loading={loading} onClick={handleOk}>保存</Button>
+                  <Button key="submit" type="primary" loading={loading} disabled={operationBlocked} onClick={handleOk}>保存</Button>
               </Space>
           </div>
       );

frontend/src/components/DriverManagerModal.tsx

@@ -0,0 +1,299 @@
+import React, { useCallback, useEffect, useMemo, useState } from 'react';
+import { Button, Modal, Progress, Space, Table, Tag, Typography, message } from 'antd';
+import { DeleteOutlined, DownloadOutlined, ReloadOutlined } from '@ant-design/icons';
+import { EventsOn } from '../../wailsjs/runtime/runtime';
+import {
+  DownloadDriverPackage,
+  GetDriverStatusList,
+  RemoveDriverPackage,
+} from '../../wailsjs/go/app/App';
+
+const { Text } = Typography;
+
+type DriverStatusRow = {
+  type: string;
+  name: string;
+  builtIn: boolean;
+  packageSizeText?: string;
+  runtimeAvailable: boolean;
+  packageInstalled: boolean;
+  connectable: boolean;
+  defaultDownloadUrl?: string;
+  message?: string;
+};
+
+type DriverProgressEvent = {
+  driverType?: string;
+  status?: 'start' | 'downloading' | 'done' | 'error';
+  message?: string;
+  percent?: number;
+};
+
+type ProgressState = {
+  status: 'start' | 'downloading' | 'done' | 'error';
+  message: string;
+  percent: number;
+};
+
+const DriverManagerModal: React.FC<{ open: boolean; onClose: () => void }> = ({ open, onClose }) => {
+  const [loading, setLoading] = useState(false);
+  const [downloadDir, setDownloadDir] = useState('');
+  const [rows, setRows] = useState<DriverStatusRow[]>([]);
+  const [actionDriver, setActionDriver] = useState('');
+  const [progressMap, setProgressMap] = useState<Record<string, ProgressState>>({});
+
+  const refreshStatus = useCallback(async (toastOnError = true) => {
+    setLoading(true);
+    try {
+      const res = await GetDriverStatusList(downloadDir, '');
+      if (!res?.success) {
+        if (toastOnError) {
+          message.error(res?.message || '拉取驱动状态失败');
+        }
+        return;
+      }
+
+      const data = (res?.data || {}) as any;
+      const resolvedDir = String(data.downloadDir || '').trim();
+      const drivers = Array.isArray(data.drivers) ? data.drivers : [];
+
+      if (resolvedDir) {
+        setDownloadDir(resolvedDir);
+      }
+
+      const nextRows: DriverStatusRow[] = drivers.map((item: any) => ({
+        type: String(item.type || '').trim(),
+        name: String(item.name || item.type || '').trim(),
+        builtIn: !!item.builtIn,
+        packageSizeText: String(item.packageSizeText || '').trim() || undefined,
+        runtimeAvailable: !!item.runtimeAvailable,
+        packageInstalled: !!item.packageInstalled,
+        connectable: !!item.connectable,
+        defaultDownloadUrl: String(item.defaultDownloadUrl || '').trim() || undefined,
+        message: String(item.message || '').trim() || undefined,
+      }));
+      setRows(nextRows);
+    } catch (err: any) {
+      if (toastOnError) {
+        message.error(`拉取驱动状态失败：${err?.message || String(err)}`);
+      }
+    } finally {
+      setLoading(false);
+    }
+  }, [downloadDir]);
+
+  useEffect(() => {
+    if (!open) {
+      return;
+    }
+    refreshStatus(false);
+  }, [open, refreshStatus]);
+
+  useEffect(() => {
+    if (!open) {
+      return;
+    }
+    const off = EventsOn('driver:download-progress', (event: DriverProgressEvent) => {
+      if (!event) {
+        return;
+      }
+      const driverType = String(event.driverType || '').trim().toLowerCase();
+      const status = event.status;
+      if (!driverType || !status) {
+        return;
+      }
+      const messageText = String(event.message || '').trim();
+      const percent = Math.max(0, Math.min(100, Number(event.percent || 0)));
+      setProgressMap((prev) => ({
+        ...prev,
+        [driverType]: {
+          status,
+          message: messageText,
+          percent,
+        },
+      }));
+    });
+    return () => {
+      off();
+    };
+  }, [open]);
+
+  const installDriver = useCallback(async (row: DriverStatusRow) => {
+    setActionDriver(row.type);
+    setProgressMap((prev) => ({
+      ...prev,
+      [row.type]: {
+        status: 'start',
+        message: '开始安装',
+        percent: 0,
+      },
+    }));
+    try {
+      const result = await DownloadDriverPackage(row.type, '', downloadDir);
+      if (!result?.success) {
+        message.error(result?.message || `安装 ${row.name} 失败`);
+        return;
+      }
+      message.success(`${row.name} 已安装启用`);
+      refreshStatus(false);
+    } finally {
+      setActionDriver('');
+    }
+  }, [downloadDir, refreshStatus]);
+
+  const removeDriver = useCallback(async (row: DriverStatusRow) => {
+    setActionDriver(row.type);
+    try {
+      const result = await RemoveDriverPackage(row.type, downloadDir);
+      if (!result?.success) {
+        message.error(result?.message || `移除 ${row.name} 失败`);
+        return;
+      }
+      message.success(`${row.name} 已移除`);
+      setProgressMap((prev) => {
+        const next = { ...prev };
+        delete next[row.type];
+        return next;
+      });
+      refreshStatus(false);
+    } finally {
+      setActionDriver('');
+    }
+  }, [downloadDir, refreshStatus]);
+
+  const columns = useMemo(() => {
+    return [
+      {
+        title: '数据源',
+        dataIndex: 'name',
+        key: 'name',
+        width: 150,
+      },
+      {
+        title: '安装包大小',
+        dataIndex: 'packageSizeText',
+        key: 'packageSizeText',
+        width: 120,
+        render: (_: string | undefined, row: DriverStatusRow) => row.packageSizeText || '-',
+      },
+      {
+        title: '状态',
+        key: 'status',
+        width: 140,
+        render: (_: string, row: DriverStatusRow) => {
+          if (row.builtIn) {
+            return <Tag color="success">内置可用</Tag>;
+          }
+          const progress = progressMap[row.type];
+          if (progress && (progress.status === 'start' || progress.status === 'downloading')) {
+            return <Tag color="processing">安装中 {Math.round(progress.percent)}%</Tag>;
+          }
+          if (row.connectable) {
+            return <Tag color="success">已启用</Tag>;
+          }
+          if (row.packageInstalled) {
+            return <Tag color="warning">已安装</Tag>;
+          }
+          return <Tag color="default">未启用</Tag>;
+        },
+      },
+      {
+        title: '安装进度',
+        key: 'progress',
+        width: 170,
+        render: (_: string, row: DriverStatusRow) => {
+          if (row.builtIn) {
+            return <Text type="secondary">-</Text>;
+          }
+
+          const progress = progressMap[row.type];
+          let percent = 0;
+          let status: 'normal' | 'exception' | 'active' | 'success' = 'normal';
+
+          if (progress?.status === 'error') {
+            percent = Math.max(0, Math.min(100, Math.round(progress.percent || 0)));
+            status = 'exception';
+          } else if (progress && (progress.status === 'start' || progress.status === 'downloading')) {
+            percent = Math.max(1, Math.min(99, Math.round(progress.percent || 0)));
+            status = 'active';
+          } else if (row.connectable || row.packageInstalled) {
+            percent = 100;
+            status = 'success';
+          }
+
+          return <Progress percent={percent} status={status} size="small" />;
+        },
+      },
+      {
+        title: '操作',
+        key: 'actions',
+        width: 190,
+        render: (_: string, row: DriverStatusRow) => {
+          if (row.builtIn) {
+            return <Text type="secondary">-</Text>;
+          }
+          const isSlimBuildUnavailable = (row.message || '').includes('精简构建');
+          const loadingAction = actionDriver === row.type;
+          if (isSlimBuildUnavailable && !row.packageInstalled) {
+            return <Text type="secondary">需 Full 版</Text>;
+          }
+          if (row.connectable) {
+            return (
+              <Button
+                danger
+                icon={<DeleteOutlined />}
+                loading={loadingAction}
+                onClick={() => removeDriver(row)}
+              >
+                移除
+              </Button>
+            );
+          }
+          return (
+            <Button
+              type="primary"
+              icon={<DownloadOutlined />}
+              loading={loadingAction}
+              onClick={() => installDriver(row)}
+            >
+              安装启用
+            </Button>
+          );
+        },
+      },
+    ];
+  }, [actionDriver, installDriver, progressMap, removeDriver]);
+
+  return (
+    <Modal
+      title="驱动管理"
+      open={open}
+      onCancel={onClose}
+      width={980}
+      destroyOnClose
+      footer={[
+        <Button key="refresh" icon={<ReloadOutlined />} onClick={() => refreshStatus(true)} loading={loading}>
+          刷新
+        </Button>,
+        <Button key="close" type="primary" onClick={onClose}>
+          关闭
+        </Button>,
+      ]}
+    >
+      <Space direction="vertical" size={12} style={{ width: '100%' }}>
+        <Text type="secondary">除 MySQL / Redis / Oracle / PostgreSQL 外，其他数据源需先安装启用后再连接。</Text>
+
+        <Table
+          rowKey="type"
+          loading={loading}
+          columns={columns as any}
+          dataSource={rows}
+          pagination={false}
+          size="middle"
+        />
+      </Space>
+    </Modal>
+  );
+};
+
+export default DriverManagerModal;