♻️ refactor(oceanbase): 完善双协议连接链路

- 抽象 OceanBase 协议解析与运行态参数注入
- 复用 OracleDB 实现 OceanBase Oracle 租户连接能力
- 调整 DDL、schema、SQL 方言和数据源能力判断
- 补充协议优先级、缓存隔离和 RPC 参数测试
- 支持按指定 driver 自动生成 agent revision

frontend/src/utils/sqlDialect.test.ts

@@ -22,6 +22,7 @@ describe('sqlDialect', () => {
     expect(resolveSqlDialect('custom', 'dm8')).toBe('dameng');
     expect(resolveSqlDialect('custom', 'mariadb')).toBe('mariadb');
     expect(resolveSqlDialect('custom', 'open_gauss')).toBe('opengauss');
+    expect(resolveSqlDialect('OceanBase', '', { oceanBaseProtocol: 'oracle' })).toBe('oracle');
     expect(isMysqlFamilyDialect('mariadb')).toBe(true);
     expect(isMysqlFamilyDialect('oceanbase')).toBe(true);
     expect(isMysqlFamilyDialect('oracle')).toBe(false);