%%{init: {"theme": "base", "themeVariables": {"background": "#fffdf7", "primaryTextColor": "#222222", "fontFamily": "Arial, sans-serif", "lineColor": "#565656"}}}%%
flowchart TD
    U["User premise<br/>+ audience actions"] --> B["Show Builder"]
    B --> D["Director Agent"]
    D --> A["Actor Agents"]
    A --> Tools["Theatrical Tools"]
    Tools --> Stage["Stage Renderer<br/>+ TTS"]
    Stage --> Output["Transcript<br/>+ Puppet Stage"]

    D --> Trace["Behind the Curtain Trace"]
    A --> Trace
    Tools --> Trace
    Stage --> Trace

    HF["HF API<br/>Qwen/Qwen3-4B-Instruct-2507:nscale"] --> Runtime["Runtime + fallback layer"]
    ZG["ZeroGPU or local<br/>OpenBMB path"] --> Runtime
    Fallback["Deterministic<br/>fallback"] --> Runtime
    Runtime --> D
    Runtime --> A

    classDef stage fill:#fff2b8,stroke:#2c2c2c,color:#222222,stroke-width:2px;
    classDef agent fill:#d9f3df,stroke:#2c2c2c,color:#222222,stroke-width:2px;
    classDef tool fill:#dcecff,stroke:#2c2c2c,color:#222222,stroke-width:2px;
    classDef trace fill:#f9e1ee,stroke:#2c2c2c,color:#222222,stroke-width:2px;
    classDef runtime fill:#ece8ff,stroke:#2c2c2c,color:#222222,stroke-width:2px;
    class U,B,Stage,Output stage;
    class D,A agent;
    class Tools tool;
    class Trace trace;
    class Runtime,HF,ZG runtime;
    class Fallback runtime;