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flowchart LR
    subgraph UP ["Upstream — anything"]
        direction TB
        A["Technical dev\n(app code + contract)"]
        B["Citizen dev\n(intent → AI agent\n→ contract)"]
    end
    subgraph ACDL ["ACDL — infrastructure only"]
        C["Same contract\nSame pipeline\nSame safety"]
        D["Provision\nAWS resources"]
        E["Evidence\nhash-chained"]
    end
    subgraph DOWN ["Downstream"]
        F["AWS resources\nrunning"]
        G["Consumer pipeline\ndeploys image"]
    end
    A --> C
    B --> C
    C --> D
    C --> E
    D --> F
    F --> G
classDef accent fill:#1B1B1B,color:#fff,stroke:#D6002A,stroke-width:2px
classDef supporting fill:#fff,color:#1B1B1B,stroke:#D6002A,stroke-width:1px
class C,D,E accent