%% In-product copilot on gcp. Generated; edit the catalog, not this file.
flowchart LR
  subgraph people["People and channels"]
    n_tenant_user["Tenant user<br/><small>Person</small>"]:::people
    n_product["Product UI with copilot panel<br/><small>Cloud Run</small>"]:::people
  end
  subgraph control["Control and trust"]
    n_edge["Edge protection<br/><small>Cloud Armor + Load Balancing</small>"]:::control
    n_identity["Tenant identity<br/><small>Identity Platform</small>"]:::control
    n_copilot_api["Copilot API<br/><small>Cloud Run</small>"]:::control
    n_gateway["Model gateway<br/><small>Apigee (AI gateway policies)</small>"]:::control
  end
  subgraph intelligence["Intelligence and work"]
    n_model["Assistant model<br/><small>Gemini 3.8 Flash (Agent Platform)</small>"]:::intelligence
    n_actions["Product actions<br/><small>MCP server on Cloud Run</small>"]:::intelligence
  end
  subgraph knowledge["Knowledge and records"]
    n_tenant_index["Tenant-partitioned index<br/><small>AlloyDB for PostgreSQL</small>"]:::knowledge
    n_app_db["Product database<br/><small>AlloyDB for PostgreSQL</small>"]:::knowledge
    n_meter["Usage meter<br/><small>BigQuery + Looker Studio</small>"]:::knowledge
  end
  subgraph assurance["Assurance and operations"]
    n_traces["Traces<br/><small>Cloud Logging, Monitoring, Trace</small>"]:::assurance
    n_evals["Release evals<br/><small>Evaluation service (Agent Platform)</small>"]:::assurance
  end
  %% flow open (data, tenant)
  n_tenant_user -->|"Question in context"| n_product
  %% flow protect (control, operational)
  n_product -.->|"Tenant rate limits"| n_edge
  %% flow send (data, tenant)
  n_product -->|"Question and screen context"| n_copilot_api
  %% flow scope (control, identity)
  n_copilot_api -.->|"Resolve tenant from session"| n_identity
  %% flow retrieve (data, tenant)
  n_copilot_api -->|"Tenant namespace query"| n_tenant_index
  %% flow ask-model (data, tenant)
  n_copilot_api -->|"Prompt tagged with tenant"| n_gateway
  %% flow infer (data, tenant)
  n_gateway -->|"Model call"| n_model
  %% flow propose (data, tenant)
  n_copilot_api -->|"Proposed action (dry run)"| n_actions
  %% flow apply (data, tenant)
  n_actions -->|"Confirmed write with undo token"| n_app_db
  %% flow meter-usage (telemetry, operational)
  n_gateway -.-o|"Tokens per tenant"| n_meter
  %% flow telemetry (telemetry, operational)
  n_copilot_api -.-o|"Latency and refusals"| n_traces
  %% flow probe (control, internal)
  n_evals -.->|"Cross-tenant probes per release"| n_copilot_api
  classDef people fill:#8AB4FF22,stroke:#8AB4FF,color:#0f1017
  classDef control fill:#B9A7FF22,stroke:#B9A7FF,color:#0f1017
  classDef intelligence fill:#5EE6CF22,stroke:#5EE6CF,color:#0f1017
  classDef knowledge fill:#FFC07A22,stroke:#FFC07A,color:#0f1017
  classDef assurance fill:#FF9FCB22,stroke:#FF9FCB,color:#0f1017