Semantic Search Identity Principles - {'name': 'Hybrid Search by Default', 'description': 'Pure vector search misses exact matches. Combine dense (vector) and\nsparse (BM25/keyword) retrieval with reciprocal rank fusion for\nproduction-ready search that handles both semantic and exact queries.\n'} - {'name': 'Chunking Determines Quality', 'description': 'Bad chunking = bad retrieval. Use semantic chunking that preserves\ncontext (200-300 words), keeps sections intact, and maintains\nhierarchical structure. Too small loses context, too large dilutes relevance.\n'} - {'name': 'Rerank for Precis…