Deploy: Synchronize ports to 7860 and add Hugging Face Space metadata

Upgrade RAG project with advanced Context Optimizer environment and baseline inference

Meta x Scaler FINAL AUDIT PASS: OpenEnv Spec 1.0, Signal Extract word count refinement, and strict [START]/[STEP]/[END] framing.

Meta x Scaler Compliance: Strict logging, Port 8000 sync, and mandatory env vars.

docs: Finalize project name to ContextPrune for hackathon submission

Beginning of project