fix(rag): tolerate ext/reference: skew in reference allowlist matching

Deploy debugged RAG fixes to Gradio Space with ZeroGPU and /data JSON.

Fix HF runtime: call demo.launch() on Space (hello_world pattern)

Fix HF runtime: export Blocks demo instead of FastAPI app

Fix HF runtime: demo=app ASGI entry, ssr_mode=false, Space env defaults

Fix Space build: pin sdk_version 5.50.0 and drop platform-managed deps from requirements

Deploy RICS Gradio UI with ZeroGPU-safe generation

initial commit