fix: /index/search score double multiply and flat metadata keys

fix: upgrade sentence-transformers to 2.7.0, add pinecone, fix get_vector_store() call

fix: /index/info use get_stats() with get_info() fallback

Fix: remove stale jd_file reference causing 500 error in /match

Fix: use required UploadFile fields in /match for Swagger file pickers

Fix: patch OpenAPI schema contentMediaType->format:binary for Swagger file pickers

Fix: custom OpenAPI schema to render file upload pickers in Swagger

Fix: split resumes into resume1-5 slots for Swagger file upload UI

Fix: use List[UploadFile] for proper Swagger file upload UI

Fix: add HEAD method support to /health for UptimeRobot

Initial commit: SmartHire-AI FastAPI + Streamlit