871a3cc174
- Add config.py with multi-source config (YAML, .env, env vars) - Add .env.example and config.yaml.example - Add settings API endpoints (GET/POST /api/v1/settings) - Add status endpoint (GET /api/v1/status) with hardware subsystem check - Add settings screen to web client (protected by API token) - Add localization strings for settings UI - Add tests for config module and new endpoints - Update README with config documentation