Sync GitHub / sync (push) Successful in 8s
Code quality: - Create AppConstants class with shared constants: - FAR_FUTURE_DATE (replaces duplicated '2999-12-31' strings) - MAX_INPUT_LENGTH (replaces duplicated 128 in Payload and StringTrait) - Extract duplicated 'hi $id' response body into StringTrait::authSuccessResponse() method, used by AcceptListener, AllowListener, and LoginManager - Add missing @throws InvalidArgumentException annotations to MonitorCacheKeys (getItem, hasItem, deleteItem, deleteItems, commit) Configuration: - Add proper env var type casting in services.yaml: - COOKIE_TTL → env(int:) - SUBDOMAIN_REDIRECT → env(bool:) - IP_TTL → env(int:) - TEAPOT → env(bool:) Documentation: - Create CONTRIBUTING.md with development setup, code style, testing guidelines, and PR process