* chore: add .claude/ to .gitignore
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* feat: add gateway module with FastAPI server
- Add new gateway module with FastAPI app for API routing
- Add gateway and serve commands to Makefile
- Add fastapi, httpx, uvicorn, sse-starlette dependencies
- Fix model config retrieval in lead_agent (support both model_name and model)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>