- Add BASE_URL setting to config.py, replace hardcoded localhost:8096 in notifications
- Fix LLM_FALLBACK_MODEL default from fyn-llm-agent-chat to qwen2.5:7b
- Fix docker-compose LLM_FALLBACK_MODEL to use env var with correct default
- Add BASE_URL env var to API and worker in docker-compose.yml
- Add soft_time_limit/time_limit to all pipeline stage tasks (prevent stuck workers)
- Cache Redis connection in _is_debug_mode() instead of creating per-call
- Remove duplicate test files in backend/tests/notifications/