- Add API rate limiting (60/min per workspace) in AppServiceProvider
- Add throttle:api middleware to all API routes
- Add rate limit exception rendering for JSON responses
- Add middleware priority list (AuthenticateApiToken before ThrottleRequests)
- Add ApiKeyControllerTest (6 tests for App dashboard CRUD)
- Remove duplicate test files (Controllers/ dir duplicates)
- Remove old controllers and routes/settings.php
- Add routes/mcp.php placeholder
- Add API Keys nav item to settings layout
- Fix LazilyRefreshDatabase conflict in API tests
- 698 tests passing
