✨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

cmd/optional-driver-agent/main.go

@@ -0,0 +1,236 @@
+package main
+
+import (
+	"bufio"
+	"encoding/json"
+	"fmt"
+	"os"
+	"strings"
+
+	"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"`
+	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"
+)
+
+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 := (*inst).Query(req.Query)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+		resp.Fields = fields
+	case agentMethodExec:
+		affected, err := (*inst).Exec(req.Query)
+		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 {
+	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 agentResponse, errText string) agentResponse {
+	resp.Success = false
+	resp.Error = strings.TrimSpace(errText)
+	return resp
+}

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_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{}
+	}
+}