{
  "meta": {
    "title": "dudu — 项目 TODO",
    "updated_at": "2026-06-11T17:26:45.125Z"
  },
  "seq": 22,
  "items": [
    {
      "id": 1,
      "title": "M0 风险验证 spike",
      "desc": "三项风险验证并行：iOS 键盘录音、Gummy 流式、macOS 注入。无前置依赖，第一波启动",
      "level": "high",
      "tier": 2,
      "tags": [
        "跨端"
      ],
      "status": "open",
      "created_at": "2026-06-11T01:24:09.849Z",
      "done": false,
      "completed_at": null,
      "version": null,
      "subtasks": [
        {
          "sid": "1A",
          "title": "iOS 键盘扩展内录音可行性 spike（真机验证完全访问下 AVAudioSession；不可行则确认 deep link 降级）",
          "tier": 2,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:10.547Z"
        },
        {
          "sid": "1B",
          "title": "Gummy 流式接入 demo（Go 直连 DashScope WS，wav 推流收 partial/final）",
          "tier": 2,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:10.598Z"
        },
        {
          "sid": "1C",
          "title": "macOS 注入 + 不抢焦点浮层 demo（剪贴板+CGEvent、focusable:false 验证微信/浏览器/IDE）",
          "tier": 2,
          "deps": [],
          "status": "open",
          "created_at": "2026-06-11T01:24:10.647Z"
        }
      ]
    },
    {
      "id": 2,
      "title": "微信开放平台与商户号申请",
      "desc": "人工/外部流程，周期数周，是支付联调(#7)与上架的关键路径，第一天启动",
      "level": "high",
      "tier": 3,
      "tags": [
        "外部"
      ],
      "status": "open",
      "created_at": "2026-06-11T01:24:09.900Z",
      "done": false,
      "completed_at": null,
      "version": null,
      "subtasks": [
        {
          "sid": "2A",
          "title": "开放平台网站应用 + 移动应用注册提审",
          "tier": 3,
          "deps": [],
          "status": "open",
          "created_at": "2026-06-11T01:24:10.700Z"
        },
        {
          "sid": "2B",
          "title": "微信支付商户号申请 + API 证书/密钥配置（入 Bitwarden）",
          "tier": 3,
          "deps": [],
          "status": "open",
          "created_at": "2026-06-11T01:24:10.749Z"
        },
        {
          "sid": "2C",
          "title": "软件著作权申请（输入法上架需要）",
          "tier": 3,
          "deps": [],
          "status": "open",
          "created_at": "2026-06-11T01:24:10.798Z"
        }
      ]
    },
    {
      "id": 3,
      "title": "协议与共享基建",
      "desc": "pkg/protocol 是 5 端对齐的唯一真相源，多数任务前置。设计依据 doc/backend-architecture.html 第四章",
      "level": "high",
      "tier": 1,
      "tags": [
        "后端",
        "跨端"
      ],
      "status": "done",
      "created_at": "2026-06-11T01:24:09.951Z",
      "done": false,
      "completed_at": null,
      "version": null,
      "subtasks": [
        {
          "sid": "3A",
          "title": "pkg/protocol：WS 帧结构（start/stop/cancel/partial/final/usage/error）+ 错误码常量",
          "tier": 1,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:10.847Z"
        },
        {
          "sid": "3B",
          "title": "pkg/protocol：REST DTO（me/packs/orders/feedback/metrics）",
          "tier": 1,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:10.898Z"
        },
        {
          "sid": "3C",
          "title": "design-pipeline：tokens.css 导出 DuduTheme.swift / DuduTheme.kt + CI 校验",
          "tier": 2,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:10.947Z"
        },
        {
          "sid": "3D",
          "title": "monorepo 骨架（server/desktop/android/ios 目录 + 根 README + CI 雏形）",
          "tier": 3,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:10.997Z"
        }
      ]
    },
    {
      "id": 4,
      "title": "后端·工程与数据层",
      "desc": "schema 见 doc/backend-architecture.html 第六章",
      "level": "high",
      "tier": 1,
      "tags": [
        "后端",
        "数据库"
      ],
      "status": "done",
      "created_at": "2026-06-11T01:24:10.002Z",
      "done": false,
      "completed_at": null,
      "version": null,
      "subtasks": [
        {
          "sid": "4A",
          "title": "Go 工程骨架：gin + 配置加载 + 日志 + Docker compose（pg/redis）",
          "tier": 2,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:11.048Z"
        },
        {
          "sid": "4B",
          "title": "store：全部表 migration + gorm models（11 张表，见后端文档第六章）",
          "tier": 1,
          "deps": [
            "4A"
          ],
          "status": "done",
          "created_at": "2026-06-11T01:24:11.099Z"
        },
        {
          "sid": "4C",
          "title": "Redis 接入 + Key 封装（quota/authqr/jwt:block/rate 滑动窗口）",
          "tier": 2,
          "deps": [
            "4A"
          ],
          "status": "done",
          "created_at": "2026-06-11T01:24:11.152Z"
        }
      ]
    },
    {
      "id": 5,
      "title": "后端·认证",
      "desc": "跨 epic 依赖：#4 骨架；5C 需 #2A 微信凭证（开发期可用测试号 mock）",
      "level": "high",
      "tier": 2,
      "tags": [
        "后端"
      ],
      "status": "done",
      "created_at": "2026-06-11T01:24:10.051Z",
      "done": false,
      "completed_at": null,
      "version": null,
      "subtasks": [
        {
          "sid": "5A",
          "title": "JWT 签发/校验中间件 + jti 黑名单 + logout",
          "tier": 2,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:11.203Z"
        },
        {
          "sid": "5B",
          "title": "扫码登录状态机（POST/GET /v1/auth/qr，Redis state TTL 120s）",
          "tier": 2,
          "deps": [
            "5A"
          ],
          "status": "done",
          "created_at": "2026-06-11T01:24:11.254Z"
        },
        {
          "sid": "5C",
          "title": "微信网页授权回调 + 移动端 code 换 token + unionid 关联建号",
          "tier": 2,
          "deps": [
            "5A"
          ],
          "status": "done",
          "created_at": "2026-06-11T01:24:11.304Z"
        }
      ]
    },
    {
      "id": 6,
      "title": "后端·识别网关",
      "desc": "跨 epic 依赖：#3A 协议、#4 骨架。含 Provider 抽象/中继/计量/识别限制",
      "level": "high",
      "tier": 1,
      "tags": [
        "后端"
      ],
      "status": "done",
      "created_at": "2026-06-11T01:24:10.101Z",
      "done": false,
      "completed_at": null,
      "version": null,
      "subtasks": [
        {
          "sid": "6A",
          "title": "ASR Provider 接口 + mock provider（脚本化回放 partial/final 供测试）",
          "tier": 1,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:11.355Z"
        },
        {
          "sid": "6B",
          "title": "gummy provider（DashScope WS 对接，含断连重建，基于 1B demo）",
          "tier": 2,
          "deps": [
            "6A"
          ],
          "status": "done",
          "created_at": "2026-06-11T01:24:11.405Z"
        },
        {
          "sid": "6C",
          "title": "WS 网关：连接鉴权 + 会话状态机 + 上下行双泵中继",
          "tier": 1,
          "deps": [
            "6A"
          ],
          "status": "done",
          "created_at": "2026-06-11T01:24:11.454Z"
        },
        {
          "sid": "6D",
          "title": "计量与 usage 帧（实收帧时长累计、provider 时间戳交叉校验、2s 下发）",
          "tier": 2,
          "deps": [
            "6C"
          ],
          "status": "done",
          "created_at": "2026-06-11T01:24:11.505Z"
        },
        {
          "sid": "6E",
          "title": "识别限制：3 分钟截断定稿 + 单设备单路 + 30 分钟滑动窗口（次数/时长）",
          "tier": 2,
          "deps": [
            "6C"
          ],
          "status": "done",
          "created_at": "2026-06-11T01:24:11.556Z"
        }
      ]
    },
    {
      "id": 7,
      "title": "后端·计费与配额",
      "desc": "跨 epic 依赖：#4；7C/7D 真实支付需 #2B 商户号（可先沙箱）。时长账本设计见后端文档第五章",
      "level": "high",
      "tier": 1,
      "tags": [
        "后端",
        "数据库"
      ],
      "status": "done",
      "created_at": "2026-06-11T01:24:10.150Z",
      "done": false,
      "completed_at": null,
      "version": null,
      "subtasks": [
        {
          "sid": "7A",
          "title": "quota：Redis Lua 原子扣减（先试用后余额）+ start 预检 + 扣穿当句不掐断",
          "tier": 1,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:11.606Z"
        },
        {
          "sid": "7B",
          "title": "quota：异步落库 ledger/asr_sessions + 余额冗余列 + 每日对账任务",
          "tier": 2,
          "deps": [
            "7A"
          ],
          "status": "done",
          "created_at": "2026-06-11T01:24:11.656Z"
        },
        {
          "sid": "7C",
          "title": "billing：GET /v1/packs + 下单（native code_url / app 支付参数）",
          "tier": 2,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:11.709Z"
        },
        {
          "sid": "7D",
          "title": "billing：回调验签幂等入账（transaction_id 唯一）+ 订单轮询 + 5 分钟查单兜底",
          "tier": 1,
          "deps": [
            "7C"
          ],
          "status": "done",
          "created_at": "2026-06-11T01:24:11.760Z"
        }
      ]
    },
    {
      "id": 8,
      "title": "后端·用户与周边",
      "desc": "跨 epic 依赖：#4。含 v1.1 新增 feedback/telemetry",
      "level": "mid",
      "tier": 2,
      "tags": [
        "后端"
      ],
      "status": "done",
      "created_at": "2026-06-11T01:24:10.200Z",
      "done": false,
      "completed_at": null,
      "version": null,
      "subtasks": [
        {
          "sid": "8A",
          "title": "GET /v1/me 聚合（balance/trial/account_state 判定）+ devices 登记",
          "tier": 2,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:11.810Z"
        },
        {
          "sid": "8B",
          "title": "GET /v1/app/latest 版本检查",
          "tier": 3,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:11.862Z"
        },
        {
          "sid": "8C",
          "title": "feedback：multipart 接收 + magic bytes 校验 + OSS 转存 + 10 条/天限频",
          "tier": 2,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:11.913Z"
        },
        {
          "sid": "8D",
          "title": "telemetry：metrics/batch（白名单/截断/异步入库）+ 每日聚合 P50/P95 + 超标告警",
          "tier": 2,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:11.964Z"
        }
      ]
    },
    {
      "id": 9,
      "title": "后端·集成测试",
      "desc": "汇聚点：依赖 #5 #6 #7 #8 主体完成",
      "level": "mid",
      "tier": 2,
      "tags": [
        "后端",
        "CI/CD"
      ],
      "status": "done",
      "created_at": "2026-06-11T01:24:10.251Z",
      "done": false,
      "completed_at": null,
      "version": null,
      "subtasks": [
        {
          "sid": "9A",
          "title": "WS E2E：wav 推流断言 partial/final/usage 序列与扣费正确（mock+gummy 双跑）",
          "tier": 2,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:12.015Z"
        },
        {
          "sid": "9B",
          "title": "支付 E2E：沙箱/构造回调测幂等、金额校验、入账 + 限频用例（31 次/超 1800s）",
          "tier": 2,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:12.067Z"
        }
      ]
    },
    {
      "id": 10,
      "title": "桌面·Rust 系统能力",
      "desc": "六项系统能力九成可并行；10C 依赖 #3A 协议",
      "level": "high",
      "tier": 2,
      "tags": [
        "mac",
        "Windows"
      ],
      "status": "done",
      "created_at": "2026-06-11T01:24:10.300Z",
      "done": false,
      "completed_at": null,
      "version": null,
      "subtasks": [
        {
          "sid": "10A",
          "title": "Tauri 2 工程 + @dudu/design 接入 + data-theme 主题切换",
          "tier": 2,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:12.118Z"
        },
        {
          "sid": "10B",
          "title": "全局快捷键 push-to-talk（press/release 事件 + 自定义改键）",
          "tier": 2,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:12.171Z"
        },
        {
          "sid": "10C",
          "title": "WS 客户端：预连接/心跳/指数退避重连 + 协议编解码",
          "tier": 2,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:12.222Z"
        },
        {
          "sid": "10D",
          "title": "cpal 音频采集 + 16k 重采样 + 100ms 分帧 + 设备枚举/切换",
          "tier": 2,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:12.272Z"
        },
        {
          "sid": "10E",
          "title": "macOS 文字注入（剪贴板+CGEvent+恢复）+ 辅助功能权限检测（基于 1C demo）",
          "tier": 2,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:12.321Z"
        },
        {
          "sid": "10F",
          "title": "Windows 文字注入（SendInput KEYEVENTF_UNICODE）",
          "tier": 2,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:12.373Z"
        },
        {
          "sid": "10G",
          "title": "Rust↔Web 事件桥（hotkey/asr/account/audio 事件 + invoke 命令集）",
          "tier": 2,
          "deps": [
            "10B",
            "10C"
          ],
          "status": "done",
          "created_at": "2026-06-11T01:24:12.431Z"
        },
        {
          "sid": "10H",
          "title": "metrics 模块：本地队列（20 条/60s）+ 批量上报 + 漏斗事件汇入",
          "tier": 2,
          "deps": [
            "10C"
          ],
          "status": "done",
          "created_at": "2026-06-11T01:24:12.481Z"
        }
      ]
    },
    {
      "id": 11,
      "title": "桌面·界面",
      "desc": "直接复用 design/ React 组件；可用 mock 事件与 #10 并行，最终联调依赖 10G 事件桥",
      "level": "high",
      "tier": 2,
      "tags": [
        "mac",
        "Windows",
        "前端"
      ],
      "status": "done",
      "created_at": "2026-06-11T01:24:10.349Z",
      "done": false,
      "completed_at": null,
      "version": null,
      "subtasks": [
        {
          "sid": "11A",
          "title": "识别浮层窗口（透明/置顶/不抢焦点 + RecognitionOverlay 两态 + 错误态文案）",
          "tier": 2,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:12.531Z"
        },
        {
          "sid": "11B",
          "title": "托盘 + 自绘托盘菜单（248px、accent 反白、检查更新入口）",
          "tier": 2,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:12.582Z"
        },
        {
          "sid": "11C",
          "title": "设置窗口（四分组：输入/通用/账号与时长/帮助 + 持久化）",
          "tier": 2,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:12.635Z"
        },
        {
          "sid": "11D",
          "title": "登录/购买窗口（扫码轮询 → 时长包 → 支付二维码轮询 → 完成）",
          "tier": 2,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:12.688Z"
        },
        {
          "sid": "11E",
          "title": "反馈窗口（文字 + 图片粘贴/拖拽 + 诊断 Switch + 成功态）",
          "tier": 2,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:12.739Z"
        },
        {
          "sid": "11F",
          "title": "首次启动引导（欢迎 → 权限 → 登录 → 试一试）",
          "tier": 2,
          "deps": [
            "11C"
          ],
          "status": "done",
          "created_at": "2026-06-11T01:24:12.789Z"
        }
      ]
    },
    {
      "id": 12,
      "title": "桌面·联调与验收",
      "desc": "汇聚点：依赖 #10 #11 全部与后端 #5 #6 #7",
      "level": "high",
      "tier": 2,
      "tags": [
        "mac",
        "Windows"
      ],
      "status": "open",
      "created_at": "2026-06-11T01:24:10.398Z",
      "done": false,
      "completed_at": null,
      "version": null,
      "subtasks": [
        {
          "sid": "12A",
          "title": "全链路联调：快捷键→采集→流式→浮层→注入（mac+win 双平台）",
          "tier": 2,
          "deps": [],
          "status": "open",
          "created_at": "2026-06-11T01:24:12.841Z"
        },
        {
          "sid": "12B",
          "title": "延迟验收：first_partial P95<500ms / release_to_commit<300ms 实测调优",
          "tier": 2,
          "deps": [
            "12A"
          ],
          "status": "open",
          "created_at": "2026-06-11T01:24:12.893Z"
        },
        {
          "sid": "12C",
          "title": "异常路径：断网重连/QUOTA/RATE_LIMITED/3 分钟截断逐项验证",
          "tier": 2,
          "deps": [
            "12A"
          ],
          "status": "open",
          "created_at": "2026-06-11T01:24:12.943Z"
        }
      ]
    },
    {
      "id": 13,
      "title": "Android 输入法",
      "desc": "先于 iOS。UI 依赖 #3C 主题导出；联网依赖 #3A 与后端 #5 #6",
      "level": "mid",
      "tier": 2,
      "tags": [
        "Android"
      ],
      "status": "done",
      "created_at": "2026-06-11T01:24:10.447Z",
      "done": false,
      "completed_at": null,
      "version": null,
      "subtasks": [
        {
          "sid": "13A",
          "title": "工程骨架 + DuduTheme.kt 接入（light/dark）",
          "tier": 2,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:12.992Z"
        },
        {
          "sid": "13B",
          "title": "主 App：微信登录 + 启用引导三步 + 我的页（权限自检/试用进度/反馈入口）",
          "tier": 2,
          "deps": [
            "13A"
          ],
          "status": "done",
          "created_at": "2026-06-11T01:24:13.044Z"
        },
        {
          "sid": "13C",
          "title": "主 App：购买时长页 + 微信 APP 支付",
          "tier": 2,
          "deps": [
            "13B"
          ],
          "status": "done",
          "created_at": "2026-06-11T01:24:13.093Z"
        },
        {
          "sid": "13D",
          "title": "IME Service：键盘 UI 四态（工具条/功能键行/MicBar/partial 文本条）",
          "tier": 2,
          "deps": [
            "13A"
          ],
          "status": "done",
          "created_at": "2026-06-11T01:24:13.144Z"
        },
        {
          "sid": "13E",
          "title": "IME：录音 + WS 推流 + commitText 上屏 + 上滑取消",
          "tier": 2,
          "deps": [
            "13D"
          ],
          "status": "done",
          "created_at": "2026-06-11T01:24:13.198Z"
        },
        {
          "sid": "13F",
          "title": "反馈页 + metrics 队列（WorkManager flush）",
          "tier": 3,
          "deps": [
            "13B"
          ],
          "status": "done",
          "created_at": "2026-06-11T01:24:13.250Z"
        }
      ]
    },
    {
      "id": 14,
      "title": "iOS 输入法",
      "desc": "14D 依赖 #1A spike 结论（主路径或 deep link 降级）。UI 依赖 #3C",
      "level": "mid",
      "tier": 2,
      "tags": [
        "iOS"
      ],
      "status": "done",
      "created_at": "2026-06-11T01:24:10.497Z",
      "done": false,
      "completed_at": null,
      "version": null,
      "subtasks": [
        {
          "sid": "14A",
          "title": "工程骨架（App+Keyboard Extension+App Group）+ DuduTheme.swift 接入",
          "tier": 2,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T01:24:13.302Z"
        },
        {
          "sid": "14B",
          "title": "主 App：微信登录 + 引导（含完全访问步）+ 我的 + 购买（APP 支付）",
          "tier": 2,
          "deps": [
            "14A"
          ],
          "status": "done",
          "created_at": "2026-06-11T01:24:13.354Z"
        },
        {
          "sid": "14C",
          "title": "键盘扩展：UI 四态 + textDocumentProxy 上屏框架",
          "tier": 2,
          "deps": [
            "14A"
          ],
          "status": "done",
          "created_at": "2026-06-11T01:24:13.406Z"
        },
        {
          "sid": "14D",
          "title": "键盘扩展：录音 + WS 推流（按 1A 结论实现主路径或 deep link 降级）",
          "tier": 2,
          "deps": [
            "14C"
          ],
          "status": "done",
          "created_at": "2026-06-11T01:24:13.461Z"
        },
        {
          "sid": "14E",
          "title": "反馈页 + metrics（App Group 队列）+ iPad 布局适配",
          "tier": 3,
          "deps": [
            "14B",
            "14C"
          ],
          "status": "done",
          "created_at": "2026-06-11T01:24:13.516Z"
        }
      ]
    },
    {
      "id": 15,
      "title": "官网宣传页（web/index.html）",
      "desc": "单页静态宣传页，复用设计系统品牌语言，含按住说话交互演示；后续接真实下载链接与备案号",
      "level": "mid",
      "tier": 3,
      "tags": [
        "Web",
        "前端"
      ],
      "status": "done",
      "created_at": "2026-06-11T13:40:06.825Z",
      "done": false,
      "completed_at": null,
      "version": null
    },
    {
      "id": 16,
      "title": "后端·网关与计费正确性修复",
      "desc": "code-review 发现的网关/计费严重 bug：截断或 provider 死亡后仍扣费、WriteJSON 无写超时致 goroutine 泄漏、WaitGroup Add 竞态、finish 漏在途扣费、扣穿当句未掐断致白嫖、GORM v2 锁失效、usage 帧 omitempty 吞合法 0 值",
      "level": "high",
      "tier": 2,
      "tags": [
        "后端",
        "数据库"
      ],
      "status": "done",
      "created_at": "2026-06-11T17:15:07.520Z",
      "done": false,
      "completed_at": null,
      "version": null,
      "subtasks": [
        {
          "sid": "16A",
          "title": "feed 先判截断再累计；provider 死亡/截断后终结会话停止扣费",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:15:23.816Z"
        },
        {
          "sid": "16B",
          "title": "wsConn 写超时(SetWriteDeadline)+finish 的 Wait 加超时+修 defer 顺序避免 goroutine 泄漏",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:15:23.886Z"
        },
        {
          "sid": "16C",
          "title": "resultsDone.Add(1) 移到 go 语句之前，消除 WaitGroup 竞态",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:15:23.954Z"
        },
        {
          "sid": "16D",
          "title": "finish 等待在途 consumeDelta 完成后再取 settle 快照，避免漏账",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:15:24.026Z"
        },
        {
          "sid": "16E",
          "title": "扣穿当句不掐断：consumeDelta 扣穿后置标志，本句 final 后下发 QUOTA_EXCEEDED 结束会话",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:15:24.099Z"
        },
        {
          "sid": "16F",
          "title": "billing.MarkPaid 改用 GORM v2 Clauses(锁)写法，恢复行锁",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:15:24.168Z"
        },
        {
          "sid": "16G",
          "title": "usage 帧 SessionSeconds/BalanceSeconds/TrialRemaining 去掉 omitempty，让 0 显式下发",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:15:24.237Z"
        }
      ]
    },
    {
      "id": 17,
      "title": "后端·认证限流与依赖装配修复",
      "desc": "JWT 黑名单 fail-open、logout TTL 硬编码 8 天、滑动窗口 seq 键永不过期、设备槽 4min TTL 不续期、pickProvider 永远 mock(gummy 永不装配)、/v1/pay/notify 无鉴权+pickPay 永远 mock=免费充值、metrics/batch 无可选鉴权 user_id 恒空、AppLatest 裸读 env、死代码清理",
      "level": "high",
      "tier": 2,
      "tags": [
        "后端"
      ],
      "status": "done",
      "created_at": "2026-06-11T17:15:07.591Z",
      "done": false,
      "completed_at": null,
      "version": null,
      "subtasks": [
        {
          "sid": "17A",
          "title": "JWT 黑名单检查 fail-closed：Redis Exists 出错时拒绝并记录，不放行",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:15:37.952Z"
        },
        {
          "sid": "17B",
          "title": "logout Revoke TTL 用 token 实际过期时间(claims.ExpiresAt)，不硬编码 8 天",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:15:38.022Z"
        },
        {
          "sid": "17C",
          "title": "滑动窗口 Lua 给 key:seq 计数器设 EXPIRE，消除永久泄漏键",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:15:38.093Z"
        },
        {
          "sid": "17D",
          "title": "设备槽会话期间续期 TTL(usageLoop 里 EXPIRE)，避免长会话槽过期致多路",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:15:38.163Z"
        },
        {
          "sid": "17E",
          "title": "pickProvider 真正按 ASR_PROVIDER 装配 gummy(有 key 用 gummy)，启动日志打印 real/mock",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:15:38.234Z"
        },
        {
          "sid": "17F",
          "title": "metrics/batch 挂可选鉴权中间件，注入 user_id",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:15:38.306Z"
        },
        {
          "sid": "17G",
          "title": "AppLatest 配置进 config.Load 启动校验，避免每请求裸读 env",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:15:38.377Z"
        },
        {
          "sid": "17H",
          "title": "清理死代码：AllowAudioSeconds、fmt 占位行、gummy lastText 字段",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:15:38.448Z"
        },
        {
          "sid": "17I",
          "title": "pay/notify 鉴权与验签：MockPay 加共享密钥校验或文档标注部署前必换真实验签",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:15:38.521Z"
        }
      ]
    },
    {
      "id": 18,
      "title": "桌面 Rust 客户端正确性修复",
      "desc": "取消后晚到 final 残留 CommitBuffer 错上下文注入、stop spawn 无 abort/代际校验、350ms 固定延迟改事件驱动、token/device_id parse unwrap panic、重连不重建会话丢音频、UNAUTHORIZED 无处理+unbounded channel 堆积、emit 全局广播 6 窗口、reqwest Client 每次新建、platform=macos 不符约定、check_update 忽略 force",
      "level": "high",
      "tier": 2,
      "tags": [
        "mac",
        "Windows"
      ],
      "status": "done",
      "created_at": "2026-06-11T17:15:07.663Z",
      "done": false,
      "completed_at": null,
      "version": null,
      "subtasks": [
        {
          "sid": "18A",
          "title": "dictation 会话代际+取消守卫：取消后晚到 final 不残留、不注入错上下文",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:15:53.259Z"
        },
        {
          "sid": "18B",
          "title": "stop spawn 任务加代际校验，快速连说不串文本/不误隐藏新会话浮层",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:15:53.331Z"
        },
        {
          "sid": "18C",
          "title": "收尾注入改事件驱动(收到 stop 后 final/usage 即注入)，350ms 仅作超时兜底",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:15:53.400Z"
        },
        {
          "sid": "18D",
          "title": "ws.rs token/device_id 用 HeaderValue::from_str 优雅处理非法值，不 unwrap panic",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:15:53.470Z"
        },
        {
          "sid": "18E",
          "title": "ws.rs 重连后若会话进行中重发 start 或通知客户端会话失败，避免静默丢音频",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:15:53.540Z"
        },
        {
          "sid": "18F",
          "title": "ws.rs 处理 UNAUTHORIZED(emit+清 token 引导登录)+音频 channel 改 bounded",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:15:53.611Z"
        },
        {
          "sid": "18G",
          "title": "asr/hotkey 事件改 emit_to(overlay) 定向，不广播 6 窗口",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:15:53.683Z"
        },
        {
          "sid": "18H",
          "title": "reqwest::Client 改 OnceLock 共享实例;metrics platform 改 mac/win;check_update 处理 force",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:15:53.754Z"
        }
      ]
    },
    {
      "id": 19,
      "title": "桌面前端正确性修复",
      "desc": "登录 QR 不处理 expired+隐藏窗口永久轮询、设置整结构回写覆盖 token 致登出、overlay 错误帧 BAD_REQUEST/INTERNAL 无文案 setError 空、tray/login 窗口主题未初始化、轮询样板收敛 usePoll",
      "level": "mid",
      "tier": 2,
      "tags": [
        "前端"
      ],
      "status": "done",
      "created_at": "2026-06-11T17:15:07.736Z",
      "done": false,
      "completed_at": null,
      "version": null,
      "subtasks": [
        {
          "sid": "19A",
          "title": "登录 QR 轮询处理 expired 自动换码;窗口隐藏(非卸载)时停止轮询",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:16:06.711Z"
        },
        {
          "sid": "19B",
          "title": "设置窗口改增量写(set_settings 仅传改动项)，不整结构覆盖 token",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:16:06.784Z"
        },
        {
          "sid": "19C",
          "title": "overlay 错误帧兜底文案(BAD_REQUEST/INTERNAL/未知码)，不 setError 空串",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:16:06.858Z"
        },
        {
          "sid": "19D",
          "title": "tray/login 入口补主题初始化(get_settings→setThemePref)",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:16:06.927Z"
        },
        {
          "sid": "19E",
          "title": "收敛轮询样板为 shared/usePoll 钩子(存活标志+清理+在途去重)",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:16:06.996Z"
        }
      ]
    },
    {
      "id": 20,
      "title": "Android 客户端正确性修复",
      "desc": "onRelease 在 onOpen 前 sendStop 时序错乱致空文本、/v1/me 未发 X-Device-ID 致 touchDevice no-op、错误文案改 server-first、AccountRepository 冗余派生状态简化、KeyboardScreen partial 全屏重组收窄",
      "level": "mid",
      "tier": 2,
      "tags": [
        "Android"
      ],
      "status": "done",
      "created_at": "2026-06-11T17:15:07.807Z",
      "done": false,
      "completed_at": null,
      "version": null,
      "subtasks": [
        {
          "sid": "20A",
          "title": "onRelease 等 onOpen 后再 sendStop(或缓冲 stop 待 start 后补发)，修握手时序",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:16:07.065Z"
        },
        {
          "sid": "20B",
          "title": "/v1/me 请求带 X-Device-ID 头，使 touchDevice 生效",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:16:07.137Z"
        },
        {
          "sid": "20C",
          "title": "错误文案改 server message 优先、本地表仅兜底未知码",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:16:07.207Z"
        },
        {
          "sid": "20D",
          "title": "AccountRepository 只存 token/balance/trialUsed/limit，state/trialRemaining 推导",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:16:07.279Z"
        },
        {
          "sid": "20E",
          "title": "KeyboardScreen 拆分状态流，partial 只重组 PartialBar",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:16:07.350Z"
        }
      ]
    },
    {
      "id": 21,
      "title": "iOS 客户端正确性修复",
      "desc": "finishing 阶段周期 usage 帧误判 stop 结算致丢字、AsrAudioCapture stop 与 tap 回调数据竞争崩溃、usage omitempty 0 值处理、CommitController 死代码删除、180s 本地计时器双轨移除、MetricsQueue 每事件全目录扫描、错误文案 server-first、deep link 剪贴板无条件覆盖",
      "level": "mid",
      "tier": 2,
      "tags": [
        "iOS"
      ],
      "status": "done",
      "created_at": "2026-06-11T17:15:07.880Z",
      "done": false,
      "completed_at": null,
      "version": null,
      "subtasks": [
        {
          "sid": "21A",
          "title": "finishing 阶段只用收尾标志/final 结束会话，不把周期 usage 帧当 stop 结算致丢字",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:16:21.039Z"
        },
        {
          "sid": "21B",
          "title": "AsrAudioCapture stop 与 tap 回调同步(串行队列/锁)，消除数据竞争崩溃",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:16:21.112Z"
        },
        {
          "sid": "21C",
          "title": "applyUsage 处理 usage 0 值(协议去 omitempty 后按 0 覆盖余额/试用)",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:16:21.187Z"
        },
        {
          "sid": "21D",
          "title": "删除 CommitController 死代码(移出键盘 target)",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:16:21.260Z"
        },
        {
          "sid": "21E",
          "title": "移除 iOS 180s 本地强制定稿计时器，统一以服务端 SESSION_LIMIT 为准",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:16:21.336Z"
        },
        {
          "sid": "21F",
          "title": "MetricsQueue 改近似计数/flush 时 trim，不每事件全目录扫描",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:16:21.410Z"
        },
        {
          "sid": "21G",
          "title": "错误文案 server message 优先;deep link 剪贴板覆盖降级为兜底",
          "tier": null,
          "deps": [],
          "status": "done",
          "created_at": "2026-06-11T17:16:21.483Z"
        }
      ]
    },
    {
      "id": 22,
      "title": "跨端架构改进 backlog（评审后再做）",
      "desc": "本轮不改代码，仅记录待评审：限制常量(180s/30次/1800s)服务端下发、gummy 断连重建分层、三端 WS 连接策略统一、错误码文案服务端下发、web 价格表第三份副本与 SeedPacks 单源、设备准入校验防随机 device_id 绕过限流",
      "level": "mid",
      "tier": 1,
      "tags": [
        "跨端",
        "文档"
      ],
      "status": "open",
      "created_at": "2026-06-11T17:15:07.950Z",
      "done": false,
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