Phase A (P1 production blockers):
- A1: Apply IP rate limiting to public routes (login/refresh)
- A2: Publish domain events for workflow instance state transitions
(completed/suspended/resumed/terminated) via outbox pattern
- A3: Replace hardcoded nil UUID default tenant with dynamic DB lookup
- A4: Add GET /api/v1/audit-logs query endpoint with pagination
- A5: Enhance CORS wildcard warning for production environments
Phase B (P2 functional gaps):
- B1: Remove dead erp-common crate (zero references in codebase)
- B2: Refactor 5 settings pages to use typed API modules instead of
direct client calls; create api/themes.ts; delete dead errors.ts
- B3: Add resume/suspend buttons to InstanceMonitor page
- B4: Remove unused EventHandler trait from erp-core
- B5: Handle task.completed events in message module (send notifications)
- B6: Wire TimeoutChecker as 60s background task
- B7: Auto-skip ServiceTask nodes instead of crashing the process
- B8: Remove empty register_routes() from ErpModule trait and modules
- error.rs: AuthError with proper HTTP status mapping
- service/password.rs: Argon2 hash/verify with tests
- service/token_service.rs: JWT sign/validate, token DB storage with SHA-256 hash
- service/auth_service.rs: login/refresh/logout flows with event publishing
- service/user_service.rs: user CRUD with soft delete and tenant isolation
- Added sha2 dependency to workspace for token hashing
