{"message":"Bowtiefy API running","endpoints":["/industries","/facilities?industry=Onshore Oil & Gas","/bowties?industry=Onshore Oil & Gas","POST /validate — RAG + structural validation (embeddings + Claude)","POST /v1/rag-validate — alias of POST /validate (frontend RAG panel)","POST /validate/ask — free-form Q&A against safety standards","POST /v1/validate-both — frontend V4 payload","GET  /v1/standards/source-link?bucket=...&key=... — presigned URL for a citation"]}