feat: add direct PostgreSQL and ACK deployment support

task_plan.md

@@ -4,7 +4,7 @@
 Replace the external OAuth2 account dependency with a platform-owned phone/password account system using three roles: super administrator, organization administrator, and ordinary user. Preserve legacy account identity and business history through an import/mapping path while enforcing one account per organization.
 
 ## Current Phase
-Phase 67 - Unified Default Billing Multiplier complete
+Phase 77 - Alibaba Cloud RDS PostgreSQL Adapter complete
 
 ## Phases
 
@@ -601,3 +601,13 @@ Phase 67 - Unified Default Billing Multiplier complete
 - [x] Add regression coverage for insufficient balance, unbound super-admin submission, and Seedance settlement without a wallet ledger
 - [x] Verify focused/full tests, TypeScript, production build, and diff hygiene
 - **Status:** complete
+
+### Phase 77: Alibaba Cloud RDS PostgreSQL Adapter
+- [x] Add one server-only PostgreSQL module for explicit backend selection, pool lifecycle, validated TLS/timeouts, parameterized queries, transactions, and readiness.
+- [x] Replace Supabase/PostgREST access in data, account, and billing stores while preserving their exported interfaces and local JSON development backend.
+- [x] Migrate bootstrap/import tooling and package dependencies from `@supabase/supabase-js` to `pg`.
+- [x] Add versioned, advisory-locked database migration tooling and an RDS-compatible baseline schema preserving atomic claim and wallet functions.
+- [x] Add database readiness, Docker migration support, and production-oriented ACK Web/Worker/Service/Ingress/ConfigMap/Secret/migration manifests.
+- [x] Update environment/deployment guidance and add focused regression coverage.
+- [x] Run focused tests, full tests, TypeScript, production build, migration validation, diff hygiene, and final read-only Sol review.
+- **Status:** complete