generated from coulomb/repo-seed
activities.py: - init_session_factory(url): module-level async_sessionmaker init, called once from worker.py before workers start - load_activity_definition(activity_id): queries activity_definitions by UUID, returns JSON-serialisable dict; raises ApplicationError (non_retryable=True) if row not found worker.py: - reads ACTCORE_DB_URL at startup, fails fast if missing - calls init_session_factory() before connecting to Temporal Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>