Doc Agent

# @doc-agent/vector-store Vector database for semantic search over documents. Uses LanceDB. ## Status **Not yet implemented.** Stubbed for future development. ## Planned use cases - Index extracted documents as embeddings - Natural language search over document contents - Find similar documents ## Exports - `VectorStore` — Main class (stubbed) - `createVectorStore(config)` — Factory function ## Depends on - `@doc-agent/core` — DocumentData, SearchResult, Config types