✨ feat(driver): 新增 OceanBase 与 OpenGauss Agent 数据源

- 数据源支持：新增 OceanBase 与 OpenGauss optional driver-agent 实现
- 连接适配：复用 MySQL/PostgreSQL 兼容链路并补齐查询、DDL、同步能力
- 前端入口：补充连接表单、侧边栏、图标、SQL 方言和危险操作识别
- 驱动管理：更新 driver manifest、安装提示和 revision 自动生成链路
- 构建发布：支持多平台 driver-agent 打包并优化 release 构建失败提示

cmd/optional-driver-agent/provider_oceanbase.go

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

cmd/optional-driver-agent/provider_opengauss.go

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