- Rewrite project CLAUDE.md to match actual C/Unity implementation and modules
- Add docs/hardware_connection_diagram.md (ESP32-C6 <-> Ballu AC wiring)
- Add docs/home_assistant_integration.md (HA usage examples)
- Update Readme.md doc index and fix unclosed code fence
- Validate docs against implementation (build + all tests pass)
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
