feat(migration): ADR-028 migration architecture refactor

- เพิ่ม POST /api/ai/jobs + GET /api/ai/jobs/:jobId endpoints (FR-001, FR-002)
- เพิ่ม BullMQ Worker MigrateDocumentWorker + OCR auto-detect (FR-003, FR-004)
- เพิ่ม cleanup-temp-files + expire-pending-reviews workers (FR-005, FR-005a/b)
- สร้าง SQL deltas: tags, correspondence_tags, alter migration_review_queue (FR-006, ADR-009)
- เพิ่ม MigrationReviewService.commitRecord() + SELECT FOR UPDATE (FR-007, FR-007a)
- เพิ่ม CASL permission migration.commit + MigrationReviewController (FR-007)
- สร้าง TagsModule + TagsService + TagsController (US3)
- สร้าง Migration Review Queue frontend page + ReviewQueueTable (US2)
- อัปเดต n8n guide: deterministic Idempotency-Key + token pre-flight (FR-001a, FR-010a/b)
- สร้าง spec.md, plan.md, tasks.md, data-model.md, contracts/, quickstart.md
- สร้าง ADR-028 document + validation-report.md (PASS 32/32 tasks, 173/173 tests)

backend/src/common/auth/casl/ability.factory.ts

@@ -4,7 +4,13 @@ import { User } from '../../../modules/user/entities/user.entity';
 import { UserAssignment } from '../../../modules/user/entities/user-assignment.entity';
 
 // Define action types
-export type Actions = 'create' | 'read' | 'update' | 'delete' | 'manage';
+export type Actions =
+  | 'create'
+  | 'read'
+  | 'update'
+  | 'delete'
+  | 'manage'
+  | 'commit';
 
 // Define subject types (resources)
 export type Subjects =
@@ -18,6 +24,7 @@ export type Subjects =
   | 'user'
   | 'role'
   | 'workflow'
+  | 'migration'
   | 'all';
 
 export type AppAbility = Ability<[Actions, Subjects]>;