{"service":"Sellers RAG API","version":"1.0.0","docs":"/docs","endpoints":{"POST /rag/query":"Run the full RAG pipeline for a question","POST /rag/query/interpret":"Identify product, series, and document types","GET  /rag/health":"Liveness check — verifies API keys and index name","GET  /rag/kb":"List knowledge-base files from the data/ folder","POST /rag/chat/sessions":"Create a KnowPro chat session","GET  /rag/chat/sessions":"List KnowPro chat sessions","GET  /rag/chat/sessions/{session_id}/messages":"Get KnowPro chat history","POST /analytics/upload-excel":"Parse Excel/CSV with lead columns","POST /analytics/leads":"Run enrichment + analysis pipeline","POST /analytics/leads/stream":"SSE streaming lead analysis","POST /analytics/leads/analyze-existing":"Analyze leads already in the system","GET  /analytics/leads":"Get all analyzed leads","DELETE /analytics/leads":"Clear all leads","GET  /analytics/benchmarks":"Industry benchmarks","GET  /analytics/health":"Lead intelligence health check"}}