✨ 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

internal/sync/sync_engine.go

@@ -206,7 +206,7 @@ func (s *SyncEngine) RunSync(config SyncConfig) SyncResult {
 			sourceQueryTable, targetQueryTable := plan.SourceQueryTable, plan.TargetQueryTable
 			applyTableName := targetTable
 			switch targetType {
-			case "postgres", "kingbase", "highgo", "vastbase", "sqlserver":
+			case "postgres", "kingbase", "highgo", "vastbase", "opengauss", "sqlserver":
 				applyTableName = targetQueryTable
 			}