- Add complete Python backend (Litestar + LangGraph) with chat, conversations, tickets APIs
- Add GitHub Actions workflow for auto-deploying backend to Azure Web App (soc-backend)
- Add gunicorn to requirements.txt for production serving
- Update CLAUDE.md and EXTERNAL_SERVICES.md with latest config
- Remove obsolete claudehd.md (merged into gpthd.md)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>