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)

specs/200-fullstacks/228-migration-arch-refactor/checklists/requirements.md

@@ -0,0 +1,36 @@
+# Specification Quality Checklist: ADR-028 Migration Architecture Refactor
+
+**Purpose**: Validate specification completeness and quality before proceeding to planning
+**Created**: 2026-05-22
+**Feature**: [spec.md](../spec.md)
+
+## Content Quality
+
+- [x] No implementation details (languages, frameworks, APIs)
+- [x] Focused on user value and business needs
+- [x] Written for business stakeholders
+- [x] All mandatory sections completed
+
+## Requirement Completeness
+
+- [x] No [NEEDS CLARIFICATION] markers remain (5 clarifications resolved in session 2026-05-22)
+- [x] Requirements are testable and unambiguous
+- [x] Success criteria are measurable
+- [x] Success criteria are technology-agnostic
+- [x] All acceptance scenarios are defined
+- [x] Edge cases are identified
+- [x] Scope is clearly bounded
+- [x] Dependencies and assumptions identified
+
+## Feature Readiness
+
+- [x] All functional requirements have clear acceptance criteria
+- [x] User scenarios cover primary flows
+- [x] Feature meets measurable outcomes defined in Success Criteria
+- [x] No implementation details leak into specification
+
+## Notes
+
+- Spec derived from grill session + clarify session on 2026-05-22
+- All 5 clarifications resolved before spec was written
+- Ready for `/speckit-plan`