Serve via Gradio demo.launch() on HF Spaces (uvicorn.run fought the platform's own port-7860 server)

Pin uvicorn to workers=1 (prevents WEB_CONCURRENCY-driven double bind on port 7860)

Fix ZeroGPU shim: stop pinning spaces in requirements.txt (Spaces injects its own build)

Add ZeroGPU compatibility shim (Space hardware is locked to ZeroGPU, no PRO downgrade available)

Track PDFs with Git LFS

Add HF Spaces LFS .gitattributes

Add self-bootstrap for free Gradio-SDK Spaces (Docker SDK now requires payment)

Placement Policy RAG chatbot