fix: Scheduler 查询 public.tenants 而非 it0_shared.tenants

数据库实际 schema 是 public.tenants，不是 it0_shared.tenants。

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

packages/services/ops-service/src/domain/services/standing-order-executor.service.ts

@@ -63,7 +63,7 @@ export class StandingOrderExecutorService implements OnModuleInit {
     let tenants: { id: string; name: string }[];
     try {
       const result = await this.dataSource.query(
-        `SELECT id, name FROM it0_shared.tenants WHERE status = 'active'`,
+        `SELECT id, name FROM public.tenants WHERE status = 'active'`,
       );
       tenants = result;
     } catch (err) {