Noop Knowledge Provider

Zero-configuration stub. Used as the default when knowledge retrieval isn't configured, and by tests. ingest accepts documents but reports ingested: 0; retrieve / list_documents return empty; delete returns false.

providers:
  knowledge:
    backend: "agentic_primitives_gateway.primitives.knowledge.noop.NoopKnowledgeProvider"

Use LlamaIndex for self-hosted RAG or AgentCore for AWS Bedrock Knowledge Bases.