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feature-task-planning

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Updated 10-16 01:16

About this skill

Role: Tech Lead

Objective

Your objective is to break down the "Technical Design Document" into a fine-grained, executable development task list, and generate the "Development Task Plan Document", namely 3_任务规划.md。

Background

We already have clear requirements (docs/{功能名称}/1_需求文档.md) and a detailed design (docs/{功能名称}/2_技术方案.md). Now we need to formulate an execution plan to guide developers (or AI) to complete coding step by step.

Input

  • docs/{功能名称}/2_技术方案.md (Technical Design Document)
  • docs/{功能名称}/1_需求文档.md (Functional Requirements Document - for acceptance criteria cross-reference)

Guardrails - CRITICAL

Please strictly follow the general guardrail rules:specs/GUARDRAILS.md Current Phase: Planning & Management Phase

Workflow

  1. Pre-check：
    • Confirm whether docs/{功能名称}/2_技术方案.md exists and is complete
    • Confirm whether the acceptance criteria mapping table in the technical solution is complete
    • Confirm UI prototype resources: Check whether docs/{功能名称}/prototypes/ or docs/product_prototypes/ contains the corresponding HTML prototype files.
    • If missing, prompt the user to first complete the technical solution design or UI prototype generation
  2. Task Breakdown：
    • Do not create prototype tasks: UI prototypes should be completed before the current phase. The task of this phase is toimplementcode, not to design prototypes.
    • Break down each design point in the technical solution into an independent development task
    • Each task should be atomic (< 4 hours, single responsibility)
    • Task granularity reference:
      • Create a database table = 1 task
      • Implement an API endpoint = 1 task
      • Implement a page component = 1 task
      • Write unit tests = 1 task
  3. Dependency Analysis：
    • Identify dependencies between tasks (which tasks must be completed first)
    • Mark blocking tasks (critical tasks that multiple tasks depend on)
    • Determine the execution order of tasks (backend before frontend, core before peripheral)
  4. Risk Assessment：
    • Identify tasks with high technical difficulty and mark them as "risk tasks"
    • Provide additional explanations or suggestions for risk tasks
  5. Acceptance Criteria Mapping：
    • Ensure every acceptance criterion has a corresponding task
    • Clearly mark the corresponding acceptance criterion ID in the task
  6. Effort Estimation：
    • Estimate the effort for each task (in hours)
    • Calculate the total effort and provide an overall schedule expectation
  7. Double Confirmation: Before generating the document, confirm with the user:

    "Based on the technical solution, I have broken it down into [N] development tasks, with an estimated total effort of [X] hours. Before generating the document, do you have any other requirements? (e.g., priority adjustments, task merging, etc.)"

  8. Document Generation: Output Markdown content that conforms to the following format.
  9. Final Deliverable: After the document content is confirmed by the user, save it to docs/{功能名称}/3_任务规划.md(in the same directory as the requirements document and technical solution).

Output Template (3_Task_Planning.md)

# 开发任务计划: [功能名称]

## 0. 任务概览 (Task Overview)
*   **总任务数**: [N] 个
*   **预计总工时**: [X] 小时（约 [Y] 个工作日）
*   **关键里程碑**:
    *   阶段一完成：[日期或工时]
    *   阶段二完成：[日期或工时]
    *   整体完成：[日期或工时]
*   **风险任务**: [列出技术难度高的任务编号]
*   **阻塞任务**: [列出被多个任务依赖的关键任务编号]

## 1. 准备工作 (Preparation)
- [ ] **Prep-01**: 创建功能分支 `feature/xxx`
    *   说明：从 main/develop 分支创建新分支
    *   验证：分支创建成功
- [ ] **Prep-02**: 确认依赖库/环境就绪
    *   说明：检查技术方案中提到的新依赖是否已安装
    *   验证：项目可正常启动

## 2. 开发任务 (Development Tasks)
> 按依赖顺序排列，每个任务耗时 < 4h

### 阶段一：数据层 (Data Layer)
> 先完成数据库设计和数据访问层

- [ ] **Task-01**: [任务标题]
    *   **说明**: 创建 xxx 表 / 修改 xxx 表结构
    *   **涉及文件**: `migrations/xxx.sql` 或 `models/xxx.js`
    *   **参考**: 技术方案 Sec 3.1
    *   **对应AC**: AC-001
    *   **提示词**: "帮我编写 migration 脚本，创建 xxx 表，参考技术方案 Sec 3.1"
    *   **预估工时**: 1h
    *   **依赖**: 无
    *   **验证标准**: 
        - [ ] 数据库迁移脚本执行成功
        - [ ] 表结构符合设计文档

- [ ] **Task-02**: [任务标题]
    *   **说明**: 实现 xxx 数据访问层（DAO/Repository）
    *   **涉及文件**: `repositories/xxx.js`
    *   **参考**: 技术方案 Sec 3.1
    *   **对应AC**: AC-001
    *   **预估工时**: 2h
    *   **依赖**: Task-01
    *   **验证标准**:
        - [ ] 单元测试覆盖 CRUD 操作
        - [ ] 测试通过率 100%

### 阶段二：业务逻辑层 (Business Logic Layer)
> 实现核心业务逻辑和 API 接口

- [ ] **Task-03**: [任务标题]
    *   **说明**: 实现 xxx API 接口
    *   **涉及文件**: `controllers/xxx.js`, `services/xxx.js`
    *   **参考**: 技术方案 Sec 2.2
    *   **对应AC**: AC-002
    *   **提示词**: "实现 xxx API 接口，参考技术方案 Sec 2.2，注意参数校验"
    *   **预估工时**: 3h
    *   **依赖**: Task-02
    *   **风险标注**: ⚠️ 涉及复杂业务逻辑
    *   **验证标准**:
        - [ ] API 返回格式符合设计文档
        - [ ] 正常流程测试通过
        - [ ] 异常场景测试通过（参数校验、权限校验）

- [ ] **Task-04**: [任务标题]
    *   **说明**: 实现 xxx 核心算法
    *   **涉及文件**: `services/xxx.js`
    *   **参考**: 技术方案 Sec 4.1
    *   **对应AC**: AC-003
    *   **预估工时**: 4h
    *   **依赖**: Task-03
    *   **阻塞标注**: 🔒 后续多个任务依赖此任务
    *   **验证标准**:
        - [ ] 算法逻辑正确
        - [ ] 边界条件测试通过
        - [ ] 性能满足要求（< 200ms）

### 阶段三：表现层 (Presentation Layer)
> **注意**: 必须基于已有的 UI 原型进行开发，禁止在此阶段重新设计原型。

- [ ] **Task-05**: [任务标题]
    *   **说明**: 实现 xxx 页面组件 (基于现有原型)
    *   **涉及文件**: `components/xxx.jsx`, `pages/xxx.jsx`
    *   **UI 来源**: `docs/product_prototypes/[文件名].html` 或 `docs/{功能名称}/prototypes/[文件名].html`
    *   **参考**: 技术方案 Sec 2.2
    *   **对应AC**: AC-004
    *   **提示词**: "读取 docs/.../xxx.html，使用项目约定的技术栈实现组件。注意：完全还原原型布局和样式。"
    *   **预估工时**: 1h
    *   **依赖**: Task-03
    *   **验证标准**: (必须包含 UI 还原度检查)
        - [ ] 组件视觉效果与 `[文件名].html` 原型一致
        - [ ] 响应式表现符合预期
        - [ ] 交互逻辑（点击、跳转）正常

- [ ] **Task-06**: [任务标题]
    *   **说明**: 实现 xxx 交互逻辑
    *   **涉及文件**: `components/xxx.jsx`
    *   **参考**: 技术方案 Sec 2.2
    *   **对应AC**: AC-005
    *   **预估工时**: 2h
    *   **依赖**: Task-05
    *   **验证标准**:
        - [ ] 用户操作流程正常
        - [ ] 错误提示显示正确
        - [ ] 加载状态显示正常

### 阶段四：异常处理与优化 (Error Handling & Optimization)
> 完善异常处理和性能优化

- [ ] **Task-07**: [任务标题]
    *   **说明**: 实现异常场景处理
    *   **涉及文件**: `services/xxx.js`, `components/xxx.jsx`
    *   **参考**: 技术方案 Sec 5
    *   **对应AC**: AC-006 (异常场景)
    *   **预估工时**: 2h
    *   **依赖**: Task-06
    *   **验证标准**:
        - [ ] 网络失败时显示重试按钮
        - [ ] 权限不足时跳转到无权限页
        - [ ] 数据为空时显示空状态页

- [ ] **Task-08**: [任务标题]
    *   **说明**: 性能优化和缓存实现
    *   **涉及文件**: `services/xxx.js`, `utils/cache.js`
    *   **参考**: 技术方案 Sec 6
    *   **对应AC**: 非功能需求
    *   **预估工时**: 2h
    *   **依赖**: Task-07
    *   **验证标准**:
        - [ ] 响应时间 < 200ms
        - [ ] 缓存命中率 > 80%

### 阶段五：测试与集成 (Testing & Integration)
> 补充测试和联调

- [ ] **Task-09**: 补充单元测试
    *   **说明**: 为核心逻辑补充单元测试
    *   **涉及文件**: `tests/unit/xxx.test.js`
    *   **参考**: 技术方案 Sec 4
    *   **对应AC**: 所有AC
    *   **提示词**: "为 xxx 模块编写单元测试，覆盖核心逻辑"
    *   **预估工时**: 3h
    *   **依赖**: Task-08
    *   **验证标准**:
        - [ ] 测试覆盖率 > 80%
        - [ ] 所有测试通过

- [ ] **Task-10**: 集成测试与联调
    *   **说明**: 前后端联调，端到端测试
    *   **涉及文件**: `tests/integration/xxx.test.js`
    *   **参考**: 需求文档验收标准
    *   **对应AC**: 所有AC
    *   **预估工时**: 2h
    *   **依赖**: Task-09
    *   **验证标准**:
        - [ ] 完整流程走通
        - [ ] 所有验收标准通过

- [ ] **Task-11**: Bug 修复与边缘情况处理
    *   **说明**: 修复测试中发现的问题
    *   **涉及文件**: 根据 Bug 确定
    *   **参考**: 测试报告
    *   **对应AC**: 所有AC
    *   **预估工时**: 2h
    *   **依赖**: Task-10
    *   **验证标准**:
        - [ ] 所有已知 Bug 修复
        - [ ] 回归测试通过

## 3. 验收标准检查清单 (AC Checklist)
> 确保所有验收标准都有对应的任务

| 验收标准ID | 验收标准描述 | 对应任务 | 状态 |
| :--- | :--- | :--- | :--- |
| AC-001 | [描述] | Task-01, Task-02 | ⬜ 待完成 |
| AC-002 | [描述] | Task-03 | ⬜ 待完成 |
| AC-003 | [描述] | Task-04 | ⬜ 待完成 |

## 4. 验证计划 (Verification Plan)
### 4.1 开发阶段验证
- [ ] 每个任务完成后，运行相关单元测试
- [ ] 每个阶段完成后，进行阶段性集成测试

### 4.2 最终验证
- [ ] 运行全量单元测试（覆盖率 > 80%）
- [ ] 运行集成测试（所有 API 测试通过）
- [ ] 按照验收标准逐项手工验证
- [ ] 性能测试（响应时间、并发量）
- [ ] 安全测试（权限校验、数据校验）

### 4.3 上线前检查
- [ ] 代码审查（Code Review）
- [ ] 文档更新（API 文档、README）
- [ ] 数据库迁移脚本验证
- [ ] 回滚方案准备

## 5. 风险与注意事项 (Risks & Notes)
*   **技术风险**: [列出风险任务及应对方案]
*   **依赖风险**: [列出外部依赖或阻塞任务]
*   **时间风险**: [如果工时超出预期，哪些任务可以延后]
*   **质量保证**: [如何确保代码质量]

Interaction Guidelines

  • Task Granularity Balance: Tasks should not be too large (> 4h), nor too fragmented (< 30min).
    • Bad: "Implement the entire user management module" (too large)
    • Bad: "Rename a variable" (too fragmented)
    • Good: "Implement the user list API endpoint" (just right)
  • Clear Dependencies: Clearly mark the dependencies of each task to avoid conflicts between parallel tasks.
  • Specific Verification Criteria: The verification criteria for each task must be checkable.
    • Bad: "The feature works normally"
    • Good: "The API returns 200, and the data format conforms to the design document"
  • Highlight Risky Tasks: For tasks with high technical difficulty, mark them with ⚠️ and provide additional explanation.
  • Prioritize Blocking Tasks: For critical tasks that multiple tasks depend on, mark them with 🔒 and recommend completing them first.
  • Phased Output：
    • When information is insufficient: List the missing information; do not generate an incomplete task list
    • When information is sufficient: Directly output the complete task planning document

Rules

  • Mandatory Verification Criteria: Every taskmust include a 验证标准 (Verification Criteria) field, and must contain at least 2 specific check items. It is forbidden to list only "Task-XX" without verification criteria.
  • UI Prototype Reference: Presentation layer tasks must explicitly reference an existing HTML prototype file. If no prototype can be found, "Missing prototype, needs confirmation" must be marked in the task description.
  • Atomicity: Each task should be small enough, have a single responsibility, and avoid spanning multiple modules as much as possible.
  • Verifiability: Each task should have clear Done Criteria that can be verified through testing or inspection.
  • Sequentiality: Follow the order of "data layer first, then business layer, then presentation layer", with core parts before peripheral ones.
  • Completeness: Ensure all acceptance criteria have corresponding tasks, with nothing omitted.
  • Traceability: Each task must be marked with the corresponding technical solution section and acceptance criteria ID.
  • Executability: Task descriptions must be specific, so that developers (or AI) can start coding directly after reading them.
  • Final Delivery: After the document content is confirmed by the user, save it to docs/{功能名称}/3_任务规划.md。