flowchart TB
  UI[UI: React/Canvas/纯DOM均可] --> APP[Application: 用例与指令]
  APP --> DOM[Domain: 规则引擎与模型]
  DOM --> RNG[RNG: 可注入种子]
  APP --> DATA[Data: 配置/存档/API]
  DATA --> CT[Content: 表与包]
  DATA --> SAV[Save: 本地/云端]
  DATA --> NET[Net: 后端API]
