- Change coordinator database from /opt/data/coordinator.db to ./data/coordinator.db
- Update config.py to use relative path consistent with blockchain-node
- Update deployment scripts to use /opt/coordinator-api/data/coordinator.db
- Add data directory creation in init_db() for consistency
- Update .env.example files to reflect new standard
- Maintain backward compatibility for production deployment
- Bump minimum Python version from 3.11 to 3.13 across all apps
- Add Python 3.11-3.13 test matrix to CLI workflow
- Document Python 3.11+ requirement in .env.example
- Fix Starlette Broadcast removal with in-process fallback implementation
- Add _InProcessBroadcast class for tests when Starlette Broadcast is unavailable
- Refactor API key validators to read live settings instead of cached values
- Update database models with explicit
