2026-03-18 17:18:23 +08:00
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"""Hybrid retriever — metadata filter + FTS + vector retrieval + score fusion (skeleton)."""
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class HybridRetriever:
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"""Phase 2+ implementation: combine FTS, vector, and metadata filter results."""
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2026-03-19 14:36:14 +08:00
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async def retrieve(
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self, user_id: str, query: str, *, top_k: int = 10
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) -> list[dict]:
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2026-03-18 17:18:23 +08:00
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raise NotImplementedError
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