feat: complete knowledge core storage — named graphs, provenance, source material#973
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…rce material Implements all three changes from the knowledge-core-completeness tech spec: 1. Named graph field preserved through Cassandra storage (7-element tuple), enabling provenance triples to retain their graph URIs on round-trip. 2. Provenance triples already arrive on triples-input — no routing change needed; Change 1 was sufficient. 3. Source material (library documents) streamed alongside triples and embeddings during core download/upload. The knowledge manager fetches the document hierarchy from the librarian on download and recreates it on upload, preserving the full provenance chain across instances.
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Tests pass in devenv |
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Implements all three changes from the knowledge-core-completeness tech spec:
Named graph field preserved through Cassandra storage (7-element tuple), enabling provenance triples to retain their graph URIs on round-trip.
Provenance triples already arrive on triples-input — no routing change needed; Change 1 was sufficient.
Source material (library documents) streamed alongside triples and embeddings during core download/upload. The knowledge manager fetches the document hierarchy from the librarian on download and recreates it on upload, preserving the full provenance chain across instances.