Mac-Buddy · 麦麦搭子

flowchart LR
    A["我的老样子 · 记住常点搭配"]:::usual
    B["照旧 / 微调 · 保留喜欢的"]:::adjust
    C["随机 / 食签 · 换换新口味"]:::random
    D["营养与核价 · 吃得明白"]:::check
    E["预览确认 · 再下单"]:::order

    A --> B
    A --> C
    B --> D
    C --> D
    D --> E

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flowchart LR
    U["浏览器 · 网页前端<br/>React + Vite 单页应用"]:::web
    B["本地后端<br/>Express + better-sqlite3"]:::server
    P["确定性纯函数层<br/>营养 / 微调 / 随机 / 食签 / 轻一点 / 优惠"]:::pure
    D[("本地 SQLite<br/>餐单 · 版本 · 足迹 · 图片地址")]:::db
    C["MCP 客户端<br/>Streamable HTTP + Bearer"]:::client
    M["麦当劳 MCP<br/>mcp.mcd.cn"]:::mcp

    U -->|"/api/* 仅 127.0.0.1"| B
    B --> P
    B --> D
    B --> C
    C -->|"只读查询 · 核价 · 下单"| M

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flowchart LR
    A["1 进入网页<br/>点一餐 / 我的老样子 / 我的口味"]:::s1
    B["2 选门店与就餐方式"]:::s2
    C["3 拉取菜单与可售状态<br/>query-meals"]:::s3
    D["4 生成方案（纯函数 · 可复现）<br/>微微调 / 随机 / 食签 / 轻一点 / 优惠"]:::s4
    E["5 真实核价<br/>calculate-price"]:::s5
    F["6 下单前看一眼<br/>核对门店 · 商品 · 金额 · 差别"]:::s6
    G["7 确认下单<br/>create-order"]:::s7

    A --> B --> C --> D --> E --> F
    F -->|"确认下单"| G
    F -.->|"返回修改"| D

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