USER QUERY INFERENCE L1 Tokenise Query confidence threshold? YES → ↓ NO INFERENCE L1 Embed Context VECTOR DB Embeddings FOUNDATION MODEL · L1 Inference Engine sovereign · auditable · no vendor lock-in PARALLEL PROCESSING PARALLEL PROCESSING SEMANTICS L4 Knowledge Graph Entity resolution · RAG Ontology mapping INTEGRATION L2 MCP Tool Layer API connectors · Tool calls External data retrieval policy compliant? YES → ↓ NO ORCHESTRATION L3 Agent Network Multi-agent coordination · Planning · Routing INFRASTRUCTURE L5 Sovereign Deploy Air-gapped · On-premise Encrypted compute GOVERNANCE L6 Observability Audit trail · GDPR Compliance checks JOIN GATE GOVERNED OUTPUT