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| """ | |
| Pinecone Vector Search — "Built on Rock" context retrieval | |
| ────────────────────────────────────────────────────────────────────────────── | |
| Uses Pinecone's hosted Inference API (multilingual-e5-large, 1024 dims) to | |
| embed queries and retrieve relevant passages from "Built on Rock". | |
| No local ML library required — embeddings are generated by Pinecone's servers. | |
| If PINECONE_API_KEY is not set or the call fails for any reason, returns '' | |
| so all AI calls work normally without book context (graceful degradation). | |
| """ | |
| import os | |
| from functools import lru_cache | |
| PINECONE_API_KEY = os.environ.get("PINECONE_API_KEY", "") | |
| PINECONE_INDEX = os.environ.get("PINECONE_INDEX_NAME", "venthrive-bff") | |
| EMBED_MODEL = "multilingual-e5-large" # 1024 dims, free on Pinecone | |
| MIN_SCORE = 0.40 | |
| DEFAULT_TOP_K = 3 | |
| def _get_pinecone(): | |
| from pinecone import Pinecone | |
| return Pinecone(api_key=PINECONE_API_KEY) | |
| def query_book_context(query: str, top_k: int = DEFAULT_TOP_K) -> str: | |
| """ | |
| Returns the most relevant passages from 'Built on Rock' as a formatted | |
| context string for injection into AI system prompts. | |
| Returns '' if Pinecone is not configured or the call fails. | |
| """ | |
| if not PINECONE_API_KEY: | |
| return "" | |
| try: | |
| pc = _get_pinecone() | |
| index = pc.Index(PINECONE_INDEX) | |
| # Generate query embedding via Pinecone Inference (no local model needed) | |
| embedding_result = pc.inference.embed( | |
| model=EMBED_MODEL, | |
| inputs=[query], | |
| parameters={"input_type": "query", "truncate": "END"}, | |
| ) | |
| query_vector = embedding_result[0].values | |
| results = index.query( | |
| vector=query_vector, | |
| top_k=top_k, | |
| include_metadata=True, | |
| ) | |
| passages = [ | |
| match["metadata"]["text"] | |
| for match in results.get("matches", []) | |
| if match.get("score", 0) >= MIN_SCORE | |
| ] | |
| if not passages: | |
| return "" | |
| return ( | |
| "RELEVANT CONTEXT FROM 'BUILT ON ROCK' (Business Footing Framework):\n\n" | |
| + "\n\n---\n\n".join(passages) | |
| + "\n\nApply the BFF philosophy above to ground your advice." | |
| ) | |
| except Exception as e: | |
| print(f"[pinecone] Context retrieval skipped: {e}") | |
| return "" # graceful degradation | |