{
  "schemaVersion": 1,
  "exportedAt": "2026-10-18T11:45:00+08:00",
  "tasks": [
    {
      "id": "t-01",
      "title": "T01 工程初始化与规范",
      "description": "Vite + Vue3 + TS 初始化；接入 Tailwind v4（@tailwindcss/vite）、Pinia、Vitest；配置 ESLint + Prettier；统一目录结构。\n\n依赖：无\n验收：npm run dev / lint / format / test 均可用；Tailwind 原子类生效；目录为 src/{components,composables,stores,types,utils,views}。",
      "status": "done",
      "priority": 3,
      "tags": [
        "M0-基础"
      ],
      "dueDate": null,
      "sortOrder": 1024,
      "createdAt": "2026-10-18T10:08:00+08:00",
      "updatedAt": "2026-10-18T10:20:00+08:00",
      "completedAt": "2026-10-18T10:20:00+08:00"
    },
    {
      "id": "t-02",
      "title": "T02 技术决策记录（ADR）",
      "description": "将四项决策写入 docs/adr.md：固定三列、TaskRepository + localStorage、dueDate 仅存日期、不引入 vue-router。\n\n依赖：无\n验收：覆盖 4 项决策，每项写明否决了什么及原因。",
      "status": "done",
      "priority": 3,
      "tags": [
        "M0-基础"
      ],
      "dueDate": null,
      "sortOrder": 2048,
      "createdAt": "2026-10-18T10:08:00+08:00",
      "updatedAt": "2026-10-18T10:20:00+08:00",
      "completedAt": "2026-10-18T10:20:00+08:00"
    },
    {
      "id": "t-03",
      "title": "T03 领域类型与常量",
      "description": "定义 Task / ColumnId / Priority 类型与列定义常量。\n\n依赖：T02\n验收：status 为字面量联合类型而非 enum；dueDate 为 YYYY-MM-DD 字符串或 null；列常量为只读；无 any 且 vue-tsc 通过。",
      "status": "done",
      "priority": 3,
      "tags": [
        "M1-数据层"
      ],
      "dueDate": null,
      "sortOrder": 3072,
      "createdAt": "2026-10-18T10:08:00+08:00",
      "updatedAt": "2026-10-18T10:20:00+08:00",
      "completedAt": "2026-10-18T10:20:00+08:00"
    },
    {
      "id": "t-04",
      "title": "T04 TaskRepository 接口 + localStorage 实现",
      "description": "定义 TaskRepository 接口并提供 localStorage 实现，含 schemaVersion 与迁移入口。\n\n实现修订：接口最终定为 load()/save(tasks) 的整份快照读写，而非细粒度 CRUD（数据量小，整份写入无不一致中间态）。\n\n依赖：T03\n验收：接口与实现分离；含 schemaVersion；过高版本明确报错；隐私模式不白屏；写入超限抛 StorageWriteError；数据损坏先备份到 *.corrupt.<时间戳> 再报错。",
      "status": "done",
      "priority": 3,
      "tags": [
        "M1-数据层"
      ],
      "dueDate": null,
      "sortOrder": 4096,
      "createdAt": "2026-10-18T10:08:00+08:00",
      "updatedAt": "2026-10-18T10:15:00+08:00",
      "completedAt": "2026-10-18T10:15:00+08:00"
    },
    {
      "id": "t-05",
      "title": "T05 排序算法 sortOrder + normalize",
      "description": "相邻中点插入；间距小于 1e-6 时对该列 normalize 重排（间隔 1024）。\n\n依赖：T03\n验收：任意两卡之间插入顺序正确；连续 100 次中间插入不崩坏；normalize 后严格递增且间距均匀；纯函数可独立单测。",
      "status": "done",
      "priority": 3,
      "tags": [
        "M1-数据层"
      ],
      "dueDate": null,
      "sortOrder": 5120,
      "createdAt": "2026-10-18T10:08:00+08:00",
      "updatedAt": "2026-10-18T10:15:00+08:00",
      "completedAt": "2026-10-18T10:15:00+08:00"
    },
    {
      "id": "t-06",
      "title": "T06 Pinia store + 多标签页同步",
      "description": "Store 作为内存态唯一来源，读写走 repository；BroadcastChannel 广播变更保持多标签页一致。\n\n依赖：T04、T05\n验收：标签页 A 修改后 B 在 1 秒内反映；跨列拖拽在一次事务内同时更新 status 与 sortOrder；无「已换列但顺序仍旧」中间态。",
      "status": "done",
      "priority": 3,
      "tags": [
        "M1-数据层"
      ],
      "dueDate": null,
      "sortOrder": 6144,
      "createdAt": "2026-10-18T10:08:00+08:00",
      "updatedAt": "2026-10-18T10:15:00+08:00",
      "completedAt": "2026-10-18T10:15:00+08:00"
    },
    {
      "id": "t-07",
      "title": "T07 看板三列骨架与空状态",
      "description": "三列布局（待办/进行中/已完成），响应式，每列含标题、计数、空状态。\n\n依赖：T06\n验收：≥1024px 三列并排、<768px 纵向堆叠；列内容区独立滚动不抖动。",
      "status": "done",
      "priority": 3,
      "tags": [
        "M2-UI"
      ],
      "dueDate": null,
      "sortOrder": 7168,
      "createdAt": "2026-10-18T10:08:00+08:00",
      "updatedAt": "2026-10-18T10:22:00+08:00",
      "completedAt": "2026-10-18T10:22:00+08:00"
    },
    {
      "id": "t-08",
      "title": "T08 TaskCard 任务卡片组件",
      "description": "展示标题、优先级、标签、截止日期；逾期与已完成有区分样式。\n\n依赖：T07\n验收：三种优先级可区分；逾期显示警示色；已完成置灰；标签超 3 个折叠为 +N；长标题截断。",
      "status": "done",
      "priority": 3,
      "tags": [
        "M2-UI"
      ],
      "dueDate": null,
      "sortOrder": 8192,
      "createdAt": "2026-10-18T10:08:00+08:00",
      "updatedAt": "2026-10-18T10:22:00+08:00",
      "completedAt": "2026-10-18T10:22:00+08:00"
    },
    {
      "id": "t-09",
      "title": "T09 UI 基础组件（Drawer/Toast/DatePicker/TagInput）",
      "description": "自建或基于 headless 库实现。注意 Tailwind 只提供样式不提供行为，本任务是最易被低估的一项。\n\n依赖：T01\n验收：Drawer 支持 ESC、遮罩关闭、焦点陷阱；Toast 自动消失且可手关；DatePicker 输出 YYYY-MM-DD 且可清空；TagInput 支持回车添加/退格删除/去重；均有 aria 属性。",
      "status": "done",
      "priority": 3,
      "tags": [
        "M2-UI"
      ],
      "dueDate": null,
      "sortOrder": 9216,
      "createdAt": "2026-10-18T10:08:00+08:00",
      "updatedAt": "2026-10-18T10:22:00+08:00",
      "completedAt": "2026-10-18T10:22:00+08:00"
    },
    {
      "id": "t-10",
      "title": "T10 快速新增任务",
      "description": "列顶部或全局输入框，回车即建卡，默认进入「待办」。\n\n依赖：T07\n验收：空标题不可提交；提交后清空且保持聚焦可连续录入；全流程 ≤3 秒。",
      "status": "done",
      "priority": 3,
      "tags": [
        "M3-业务"
      ],
      "dueDate": null,
      "sortOrder": 10240,
      "createdAt": "2026-10-18T10:08:00+08:00",
      "updatedAt": "2026-10-18T10:22:00+08:00",
      "completedAt": "2026-10-18T10:22:00+08:00"
    },
    {
      "id": "t-11",
      "title": "T11 任务详情表单（创建/编辑/校验）",
      "description": "创建与编辑复用同一表单，置于 Drawer 内。\n\n依赖：T09、T10\n验收：可编辑标题/描述/优先级/截止日期/标签；标题必填且有内联错误；取消不产生脏数据；保存后看板同步；updatedAt 正确刷新。",
      "status": "done",
      "priority": 3,
      "tags": [
        "M3-业务"
      ],
      "dueDate": null,
      "sortOrder": 11264,
      "createdAt": "2026-10-18T10:08:00+08:00",
      "updatedAt": "2026-10-18T10:28:00+08:00",
      "completedAt": "2026-10-18T10:28:00+08:00"
    },
    {
      "id": "t-12",
      "title": "T12 删除与撤销",
      "description": "删除任务后提供 Toast 撤销入口，保留最近一次删除内容。\n\n依赖：T11\n验收：删除后卡片立即消失；撤销后连同原顺序恢复；撤销窗口结束后真正移除。",
      "status": "done",
      "priority": 3,
      "tags": [
        "M3-业务"
      ],
      "dueDate": null,
      "sortOrder": 12288,
      "createdAt": "2026-10-18T10:08:00+08:00",
      "updatedAt": "2026-10-18T10:28:00+08:00",
      "completedAt": "2026-10-18T10:28:00+08:00"
    },
    {
      "id": "t-13",
      "title": "T13 拖拽改状态 + 列内排序",
      "description": "基于 vue-draggable-plus 实现跨列拖动与列内排序。\n\n依赖：T08、T11\n验收：跨列与列内变更刷新后保持；筛选/搜索激活时禁用列内排序（仅允许跨列改状态）；拖拽不触发点击；触摸设备可拖动。",
      "status": "done",
      "priority": 3,
      "tags": [
        "M3-业务"
      ],
      "dueDate": null,
      "sortOrder": 13312,
      "createdAt": "2026-10-18T10:08:00+08:00",
      "updatedAt": "2026-10-18T10:28:00+08:00",
      "completedAt": "2026-10-18T10:28:00+08:00"
    },
    {
      "id": "t-14",
      "title": "T14 导出/导入 JSON + 启动自动快照",
      "description": "一键导出全部任务为 JSON；覆盖式导入；启动时自动快照到独立 key。local-first 下这是唯一的数据安全网，优先级为 P0 不得后置。\n\n依赖：T04\n验收：导出文件名含日期且内容含 schemaVersion；导入前校验结构，非法文件不破坏现有数据；覆盖式导入需二次确认；启动写入快照并保留最近 3 份；导出→清空→导入完全还原。",
      "status": "done",
      "priority": 3,
      "tags": [
        "M4-数据安全"
      ],
      "dueDate": null,
      "sortOrder": 14336,
      "createdAt": "2026-10-18T10:08:00+08:00",
      "updatedAt": "2026-10-18T10:37:00+08:00",
      "completedAt": "2026-10-18T10:37:00+08:00"
    },
    {
      "id": "t-15",
      "title": "T15 搜索与筛选",
      "description": "关键词搜索（标题 + 描述）+ 按优先级/标签筛选。\n\n依赖：T07\n验收：中文搜索用 includes，不引入分词库；输入防抖 ≤300ms；多条件为「与」；列计数反映筛选结果；可一键清空条件。",
      "status": "done",
      "priority": 2,
      "tags": [
        "M5-效率"
      ],
      "dueDate": null,
      "sortOrder": 15360,
      "createdAt": "2026-10-18T10:08:00+08:00",
      "updatedAt": "2026-10-18T10:37:00+08:00",
      "completedAt": "2026-10-18T10:37:00+08:00"
    },
    {
      "id": "t-16",
      "title": "T16 逾期提示 + 键盘快捷键",
      "description": "顶部统计条显示今日到期与逾期数量；提供常用快捷键。\n\n依赖：T10\n验收：顶部显示「今日到期 N / 逾期 N」且可点击筛选；N 聚焦新增、/ 聚焦搜索、Esc 关闭抽屉；输入框内不劫持快捷键；有快捷键帮助提示。",
      "status": "done",
      "priority": 2,
      "tags": [
        "M5-效率"
      ],
      "dueDate": null,
      "sortOrder": 16384,
      "createdAt": "2026-10-18T10:08:00+08:00",
      "updatedAt": "2026-10-18T10:37:00+08:00",
      "completedAt": "2026-10-18T10:37:00+08:00"
    },
    {
      "id": "t-17",
      "title": "T17 已完成归档 + 长列表性能",
      "description": "已完成任务归档 + 长列表性能。\n\n实现修订：归档通过新增 Task.archivedAt 字段实现，因此 SCHEMA_VERSION 从 1 升到 2，并在 MIGRATIONS 表登记 1->2 的迁移（为旧数据补 archivedAt: null）。这是迁移通道第一次被真实使用。\n\n依赖：T13\n验收：可一键归档超过 N 天的已完成任务；归档默认不显示可切换；列内渲染子集时禁用列内排序；归档可撤销；单列 200 张卡片正确渲染。",
      "status": "done",
      "priority": 2,
      "tags": [
        "M5-效率"
      ],
      "dueDate": null,
      "sortOrder": 17408,
      "createdAt": "2026-10-18T10:08:00+08:00",
      "updatedAt": "2026-10-18T10:50:00+08:00",
      "completedAt": "2026-10-18T10:50:00+08:00"
    },
    {
      "id": "t-18",
      "title": "T18 核心逻辑单元测试",
      "description": "核心逻辑单元测试。\n\n实际结果：381 个测试、28 个文件，行覆盖率 96.54%、语句 94.64%，远超原定 80% 目标。已接入 @vitest/coverage-v8（npm run test:coverage）。\n\n依赖：T05、T14",
      "status": "done",
      "priority": 3,
      "tags": [
        "M6-质量"
      ],
      "dueDate": null,
      "sortOrder": 18432,
      "createdAt": "2026-10-18T10:08:00+08:00",
      "updatedAt": "2026-10-18T10:50:00+08:00",
      "completedAt": "2026-10-18T10:50:00+08:00"
    },
    {
      "id": "t-19",
      "title": "T19 E2E 关键路径测试",
      "description": "Playwright E2E 关键路径测试。\n\n实现修订：默认驱动系统已安装的 Chrome（channel: chrome），不下载自带 Chromium —— 后者约 197MB，本机对 Playwright CDN 的下载会超时（拉到 10% 断连）。可用 PLAYWRIGHT_CHANNEL 切换为 msedge / chromium。\n\n结果：11 个用例全部通过，覆盖真实拖拽、刷新持久化、导出导入还原、删除撤销、搜索筛选、键盘快捷键。\n\n依赖：T13、T14",
      "status": "done",
      "priority": 2,
      "tags": [
        "M6-质量"
      ],
      "dueDate": null,
      "sortOrder": 19456,
      "createdAt": "2026-10-18T10:08:00+08:00",
      "updatedAt": "2026-10-18T11:20:00+08:00",
      "completedAt": "2026-10-18T11:20:00+08:00"
    },
    {
      "id": "t-20",
      "title": "T20 生产构建与部署",
      "description": "生产构建与部署。\n\n结果：npm run build 无错误（62 modules，CSS 19.87 kB / JS 162.09 kB gzip 后 4.78 / 60.11）；preview 静态托管验证通过，含深链刷新返回 200；README 写明启动、构建、部署、备份与已知限制。\n\n依赖：T18",
      "status": "done",
      "priority": 3,
      "tags": [
        "M6-质量"
      ],
      "dueDate": null,
      "sortOrder": 20480,
      "createdAt": "2026-10-18T10:08:00+08:00",
      "updatedAt": "2026-10-18T11:20:00+08:00",
      "completedAt": "2026-10-18T11:20:00+08:00"
    },
    {
      "id": "t-21",
      "title": "T21 PWA 图标生成",
      "description": "用 Pillow 脚本生成 192/512/maskable/apple-touch 四套图标。\n\n关键点：Pillow 的 ImageDraw 不做 alpha 混合，半透明元素必须画在独立图层再 alpha_composite，否则会直接覆盖背景。\n\n验收：四套图标生成；maskable 内容位于中心 80% 安全区内。",
      "status": "done",
      "priority": 2,
      "tags": [
        "M7-增强"
      ],
      "dueDate": null,
      "sortOrder": 21504,
      "createdAt": "2026-10-18T11:45:00+08:00",
      "updatedAt": "2026-10-18T11:45:00+08:00",
      "completedAt": "2026-10-18T11:45:00+08:00",
      "archivedAt": null
    },
    {
      "id": "t-22",
      "title": "T22 接入 vite-plugin-pwa",
      "description": "manifest（名称/图标/主题色/shortcuts）+ Workbox 预缓存 + navigateFallback。\n\n验收：构建产出 sw.js 与 manifest.webmanifest；Service Worker 激活并接管页面；断网后看板与深链 /today 均可打开。",
      "status": "done",
      "priority": 2,
      "tags": [
        "M7-增强"
      ],
      "dueDate": null,
      "sortOrder": 22528,
      "createdAt": "2026-10-18T11:45:00+08:00",
      "updatedAt": "2026-10-18T11:45:00+08:00",
      "completedAt": "2026-10-18T11:45:00+08:00",
      "archivedAt": null
    },
    {
      "id": "t-23",
      "title": "T23 PWA 更新提示",
      "description": "registerType 为 prompt，新版本由用户确认后再生效，不打断正在进行的编辑。\n\n验收：有新版本时底部提示并可立即更新；已可离线使用时提示但不显示更新按钮；可关闭。",
      "status": "done",
      "priority": 2,
      "tags": [
        "M7-增强"
      ],
      "dueDate": null,
      "sortOrder": 23552,
      "createdAt": "2026-10-18T11:45:00+08:00",
      "updatedAt": "2026-10-18T11:45:00+08:00",
      "completedAt": "2026-10-18T11:45:00+08:00",
      "archivedAt": null
    },
    {
      "id": "t-24",
      "title": "T24 引入 vue-router 拆分视图",
      "description": "按 ADR-005 引入路由，拆出 /(看板) 与 /today(今日)，今日视图懒加载。\n\n验收：两条路由可切换并共享同一份数据；未知路径回落到看板；导航项带 aria-current。",
      "status": "done",
      "priority": 2,
      "tags": [
        "M7-增强"
      ],
      "dueDate": null,
      "sortOrder": 24576,
      "createdAt": "2026-10-18T11:45:00+08:00",
      "updatedAt": "2026-10-18T11:45:00+08:00",
      "completedAt": "2026-10-18T11:45:00+08:00",
      "archivedAt": null
    },
    {
      "id": "t-25",
      "title": "T25 今日视图",
      "description": "按紧急度组织：逾期 > 今天到期 > 进行中，三组互斥，组内按优先级与截止日期排序。\n\n验收：分组互斥且已完成/已归档不出现；可直接勾选完成；空状态提示。",
      "status": "done",
      "priority": 2,
      "tags": [
        "M7-增强"
      ],
      "dueDate": null,
      "sortOrder": 25600,
      "createdAt": "2026-10-18T11:45:00+08:00",
      "updatedAt": "2026-10-18T11:45:00+08:00",
      "completedAt": "2026-10-18T11:45:00+08:00",
      "archivedAt": null
    },
    {
      "id": "t-26",
      "title": "T26 简单统计",
      "description": "今日视图顶部统计卡片：今日待办 / 逾期 / 今天到期 / 本周完成（周一为一周之始）。\n\n验收：跨周边界正确；已完成任务不计入逾期与今天到期；归档任务仍计入完成数。",
      "status": "done",
      "priority": 2,
      "tags": [
        "M7-增强"
      ],
      "dueDate": null,
      "sortOrder": 26624,
      "createdAt": "2026-10-18T11:45:00+08:00",
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