12 KiB
Tasks: 对话抽屉 (Chat Drawer)
Input: Design documents from /specs/001-chat-drawer/
Prerequisites: plan.md, spec.md, research.md, data-model.md, contracts/
Tests: Tests are NOT explicitly requested - implementation only.
Organization: Tasks are grouped by user story to enable independent implementation and testing of each story.
Format: [ID] [P?] [Story] Description
- [P]: Can run in parallel (different files, no dependencies)
- [Story]: Which user story this task belongs to (e.g., US1, US2, US3, US4)
- Include exact file paths in descriptions
Path Conventions
- Monorepo structure:
packages/drawnix/src/for all source files - Components:
packages/drawnix/src/components/chat-drawer/ - Hooks:
packages/drawnix/src/hooks/ - Services:
packages/drawnix/src/services/ - Types:
packages/drawnix/src/types/ - Constants:
packages/drawnix/src/constants/
Phase 1: Setup (Shared Infrastructure)
Purpose: Project initialization, types, and constants
- T001 [P] Create type definitions in packages/drawnix/src/types/chat.types.ts (copy from contracts/chat-api.ts)
- T002 [P] Create constants file in packages/drawnix/src/constants/CHAT_CONSTANTS.ts
- T003 [P] Create chat-drawer component directory structure in packages/drawnix/src/components/chat-drawer/
- T004 Create index.ts barrel export in packages/drawnix/src/components/chat-drawer/index.ts
Phase 2: Foundational (Blocking Prerequisites)
Purpose: Core infrastructure that MUST be complete before ANY user story can be implemented
⚠️ CRITICAL: No user story work can begin until this phase is complete
- T005 Create chat storage service in packages/drawnix/src/services/chat-storage-service.ts with localforage configuration
- T006 Create useChatStorage hook in packages/drawnix/src/hooks/useChatStorage.ts for IndexedDB operations
- T007 Create chat API service in packages/drawnix/src/services/chat-service.ts with streaming support
- T008 Create useChatStream hook in packages/drawnix/src/hooks/useChatStream.ts for handling SSE responses
- T009 Create base styles in packages/drawnix/src/components/chat-drawer/chat-drawer.scss with BEM naming
Checkpoint: Foundation ready - user story implementation can now begin
Phase 3: User Story 1 - 基本对话交互 (Priority: P1) 🎯 MVP
Goal: 用户能够展开/收起对话抽屉,与AI进行基本的连续对话
Independent Test: 点击抽屉按钮展开,输入消息,接收流式AI回复,保持上下文
Implementation for User Story 1
- T010 [P] [US1] Create StreamingText component in packages/drawnix/src/components/chat-drawer/StreamingText.tsx for token-by-token display
- T011 [P] [US1] Create MessageItem component in packages/drawnix/src/components/chat-drawer/MessageItem.tsx for single message display
- T012 [US1] Create MessageList component in packages/drawnix/src/components/chat-drawer/MessageList.tsx (depends on T011)
- T013 [P] [US1] Create AttachmentPreview component in packages/drawnix/src/components/chat-drawer/AttachmentPreview.tsx for file preview
- T014 [US1] Create MessageInput component in packages/drawnix/src/components/chat-drawer/MessageInput.tsx with attachment support (depends on T013)
- T015 [US1] Create useChatMessages hook in packages/drawnix/src/hooks/useChatMessages.ts for message state management
- T016 [US1] Create ChatDrawerTrigger component in packages/drawnix/src/components/chat-drawer/ChatDrawerTrigger.tsx
- T017 [US1] Create ChatDrawer main component in packages/drawnix/src/components/chat-drawer/ChatDrawer.tsx (depends on T012, T014, T015, T016)
- T018 [US1] Add drawer styles for expand/collapse animation in packages/drawnix/src/components/chat-drawer/chat-drawer.scss
- T019 [US1] Integrate ChatDrawer into drawnix.tsx in packages/drawnix/src/drawnix.tsx
- T020 [US1] Update DrawnixState in packages/drawnix/src/hooks/use-drawnix.tsx to include chat drawer state
- T021 [US1] Import chat-drawer.scss in packages/drawnix/src/styles/index.scss
Checkpoint: User Story 1 complete - basic chat interaction works independently
Phase 4: User Story 2 - 对话历史持久化 (Priority: P2)
Goal: 对话历史能够保存到IndexedDB,页面刷新后自动恢复
Independent Test: 进行对话,刷新页面,验证历史记录完整恢复
Implementation for User Story 2
- T022 [US2] Extend chat-storage-service.ts with message persistence methods in packages/drawnix/src/services/chat-storage-service.ts
- T023 [US2] Add history restoration logic to useChatMessages hook in packages/drawnix/src/hooks/useChatMessages.ts
- T024 [US2] Add auto-save on message send/receive in packages/drawnix/src/hooks/useChatMessages.ts
- T025 [US2] Add storage cleanup and pruning logic in packages/drawnix/src/services/chat-storage-service.ts
- T026 [US2] Add loading state for history restoration in packages/drawnix/src/components/chat-drawer/ChatDrawer.tsx
Checkpoint: User Story 2 complete - history persists across page reloads
Phase 5: User Story 3 - 多会话管理 (Priority: P3)
Goal: 用户能够创建、切换、删除多个独立的对话会话
Independent Test: 创建新会话,切换会话,验证各会话独立,删除会话
Implementation for User Story 3
- T027 [P] [US3] Create SessionItem component in packages/drawnix/src/components/chat-drawer/SessionItem.tsx
- T028 [US3] Create SessionList component in packages/drawnix/src/components/chat-drawer/SessionList.tsx (depends on T027)
- T029 [US3] Create useChatSessions hook in packages/drawnix/src/hooks/useChatSessions.ts for session CRUD operations
- T030 [US3] Add session management methods to chat-storage-service.ts in packages/drawnix/src/services/chat-storage-service.ts
- T031 [US3] Add session title auto-generation logic (from first message) in packages/drawnix/src/hooks/useChatSessions.ts
- T032 [US3] Integrate SessionList into ChatDrawer in packages/drawnix/src/components/chat-drawer/ChatDrawer.tsx
- T033 [US3] Add session switching UI and logic in packages/drawnix/src/components/chat-drawer/ChatDrawer.tsx
- T034 [US3] Add session deletion confirmation in packages/drawnix/src/components/chat-drawer/SessionList.tsx
Checkpoint: User Story 3 complete - multiple sessions work independently
Phase 6: User Story 4 - 消息操作功能 (Priority: P4)
Goal: 用户能够复制消息、重新生成回复、停止生成
Independent Test: 复制AI消息到剪贴板,点击重新生成获取新回复,点击停止中断生成
Implementation for User Story 4
- T035 [US4] Add message action buttons (copy, regenerate) to MessageItem in packages/drawnix/src/components/chat-drawer/MessageItem.tsx
- T036 [US4] Implement copy to clipboard functionality in packages/drawnix/src/components/chat-drawer/MessageItem.tsx
- T037 [US4] Add stop generation button to MessageInput in packages/drawnix/src/components/chat-drawer/MessageInput.tsx
- T038 [US4] Implement stop generation logic with AbortController in packages/drawnix/src/hooks/useChatStream.ts
- T039 [US4] Implement regenerate response logic in packages/drawnix/src/hooks/useChatMessages.ts
- T040 [US4] Add regenerate API method to chat-service.ts in packages/drawnix/src/services/chat-service.ts
Checkpoint: User Story 4 complete - all message operations work
Phase 7: Polish & Cross-Cutting Concerns
Purpose: Improvements that affect multiple user stories
- T041 [P] Add responsive styles for mobile full-screen mode in packages/drawnix/src/components/chat-drawer/chat-drawer.scss
- T042 [P] Add error boundary for chat drawer in packages/drawnix/src/components/chat-drawer/ChatDrawer.tsx
- T043 Add error handling and retry logic for network failures in packages/drawnix/src/services/chat-service.ts
- T044 Add virtual scrolling for long message lists in packages/drawnix/src/components/chat-drawer/MessageList.tsx
- T045 [P] Add keyboard shortcuts (Enter to send, Escape to close) in packages/drawnix/src/components/chat-drawer/ChatDrawer.tsx
- T046 [P] Add i18n strings for chat drawer UI in packages/drawnix/src/i18n.tsx
- T047 Update barrel exports in packages/drawnix/src/components/chat-drawer/index.ts
- T048 Run quickstart.md validation to verify all features work
Dependencies & Execution Order
Phase Dependencies
- Setup (Phase 1): No dependencies - can start immediately
- Foundational (Phase 2): Depends on Setup completion - BLOCKS all user stories
- User Stories (Phase 3-6): All depend on Foundational phase completion
- User stories can proceed in priority order (P1 → P2 → P3 → P4)
- US2 depends on US1 (needs basic messaging to persist)
- US3 depends on US2 (needs persistence for sessions)
- US4 can partially overlap with US2/US3
- Polish (Phase 7): Depends on all user stories being complete
User Story Dependencies
- User Story 1 (P1): Can start after Foundational (Phase 2) - No dependencies on other stories
- User Story 2 (P2): Depends on US1 (needs messages to persist)
- User Story 3 (P3): Depends on US2 (needs persistence layer)
- User Story 4 (P4): Depends on US1 (needs messages to operate on)
Within Each User Story
- Components before integration
- Hooks before components that use them
- Services before hooks that call them
- Base components before composite components
Parallel Opportunities
Phase 1 (Setup):
# All can run in parallel:
T001: Create type definitions
T002: Create constants
T003: Create directory structure
Phase 3 (User Story 1):
# Can run in parallel (different files):
T010: StreamingText component
T011: MessageItem component
T013: AttachmentPreview component
T016: ChatDrawerTrigger component
Phase 5 (User Story 3):
# Can run in parallel:
T027: SessionItem component (then T028 depends on it)
Phase 7 (Polish):
# Can run in parallel:
T041: Responsive styles
T042: Error boundary
T045: Keyboard shortcuts
T046: i18n strings
Implementation Strategy
MVP First (User Story 1 Only)
- Complete Phase 1: Setup (T001-T004)
- Complete Phase 2: Foundational (T005-T009)
- Complete Phase 3: User Story 1 (T010-T021)
- STOP and VALIDATE: Test basic chat interaction independently
- Deploy/demo if ready - users can already chat with AI!
Incremental Delivery
- Setup + Foundational → Foundation ready
- Add User Story 1 → Test independently → MVP Release (basic chat)
- Add User Story 2 → Test independently → Release (chat + persistence)
- Add User Story 3 → Test independently → Release (multi-session)
- Add User Story 4 → Test independently → Release (full features)
- Add Polish → Final release
Estimated Task Counts
| Phase | Tasks | Parallel Tasks |
|---|---|---|
| Phase 1: Setup | 4 | 3 |
| Phase 2: Foundational | 5 | 0 |
| Phase 3: US1 (P1) | 12 | 4 |
| Phase 4: US2 (P2) | 5 | 0 |
| Phase 5: US3 (P3) | 8 | 1 |
| Phase 6: US4 (P4) | 6 | 0 |
| Phase 7: Polish | 8 | 4 |
| Total | 48 | 12 |
Notes
- [P] tasks = different files, no dependencies
- [Story] label maps task to specific user story for traceability
- Each user story should be independently testable after completion
- Follow TDesign light theme and BEM naming conventions
- Keep each file under 500 lines (split if necessary)
- Commit after each task or logical group
- Stop at any checkpoint to validate story independently