Add a Claude/Anthropic-driven graph construction engine as a drop-in
alternative to the Zep-based one. Each text chunk is sent to Claude
with a tool-use schema derived from the generated ontology, extracting
only entities/relationships explicitly grounded in the text and
merging them into a local JSON graph store. Same service interface and
graph data shape as the Zep engine, so the existing D3 visualization
works unmodified.
- backend/app/services/claude_graph_builder.py: Claude extraction agent
- backend/app/models/graph_store.py: local JSON graph persistence
- backend/app/api/graph.py: engine selection (claude/zep) on build/data/delete routes
- frontend: Claude/Zep engine toggle on the Graph Build step, defaults to Claude
- config, requirements, locales, README/.env.example updated accordingly
Claude
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