e9e6fadb1d
- Fix ChatBubble to handle non-string content with String() wrapper - Fix API route to use generateText for non-streaming requests - Add @ai-sdk/openai-compatible for non-OpenAI providers (DeepSeek, etc.) - Use Chat Completions API instead of Responses API for compatible providers - Update ChatBubble tests and fix component exports to kebab-case - Remove stale PascalCase ChatBubble.tsx file
106 lines
3.9 KiB
Markdown
106 lines
3.9 KiB
Markdown
# Story 1.1: Local-First Setup & Chat Storage
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Status: done
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<!-- Note: Validation is optional. Run validate-create-story for quality check before dev-story. -->
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## Story
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As a user,
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I want my chat sessions to be saved locally on my device,
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so that my data is private and accessible offline.
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## Acceptance Criteria
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1. **Database Initialization**
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- Given a new user visits the app
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- When they load the page
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- Then a Dexie.js database is initialized with the correct schema (`chatLogs`)
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- And no data is sent to the server without explicit action
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2. **Message Storage**
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- Given the user sends a message
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- When the message is sent
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- Then it is stored in the `chatLogs` table in IndexedDB with a timestamp
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- And is immediately displayed in the UI
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3. **Session Restoration**
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- Given the user reloads the page
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- When the page loads
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- Then the previous chat history is retrieved from IndexedDB and displayed correctly
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- And the session state is restored via Zustand
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4. **Offline Access**
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- Given the device is offline
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- When the user opens the app
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- Then the app loads successfully and shows stored history from the local database
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## Tasks / Subtasks
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- [x] Initialize Dexie Database
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- [x] Create `src/lib/db/index.ts` with Dexie schema definition (Topic: `chatLogs`)
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- [x] Define TypeScript interfaces for `ChatLog` and `Message`
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- [x] Implement Chat Service (Logic Sandwich)
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- [x] Create `src/services/chat-service.ts` for database interactions
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- [x] Implement `saveMessage`, `getHistory`, `initSession` methods
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- [x] Ensure methods return plain objects, not observables
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- [x] Setup Zustand Store
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- [x] Create `src/lib/store/chat-store.ts`
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- [x] Bind store actions to `chat-service`
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- [x] Implement atomic selectors for UI consumption
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- [x] Connect to UI (Skeleton)
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- [x] Update `Page.tsx` or main component to hydrate store on mount
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- [x] Verify offline persistence by reloading with network disabled
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## Dev Notes
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### Architecture & Rules
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- **Logic Sandwich Pattern**: UI Components (`src/components/...`) MUST NOT import `src/lib/db` directly. All data access goes through `ChatService`.
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- **Zustand Usage**: Use atomic selectors (e.g., `useChatStore(s => s.messages)`) to avoid re-renders.
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- **Local-First**: IndexedDB (Dexie) is the source of truth.
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- **Strict Mode**: Ensure all database types are strictly typed.
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### Project Structure
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- `src/lib/db/`: Database configuration and schema.
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- `src/services/`: Business logic layer (The "Meat" of the sandwich).
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- `src/lib/store/`: Zustand state management.
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- `src/components/features/`: Feature-specific components (will consume store).
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### References
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- [Project Context: Logic Sandwich](file:///home/maximilienmao/Projects/Test01/_bmad-output/project-context.md#2-the-logic-sandwich-pattern-service-layer)
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- [Project Context: Tech Stack](file:///home/maximilienmao/Projects/Test01/_bmad-output/project-context.md#technology-stack--versions)
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## Dev Agent Record
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### Agent Model Used
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Gemini 2.0 Flash
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### Debug Log References
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### Completion Notes List
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- Implemented TDD cycle for all components (DB, Service, Store, UI).
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- Created standard "Logic Sandwich" architecture.
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- Added `fake-indexeddb` and `vitest` configuration for reliable testing.
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- Verified persistent storage and hydration.
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### File List
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- src/lib/db/index.ts
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- src/lib/db/index.test.ts
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- src/services/chat-service.ts
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- src/services/chat-service.test.ts
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- src/lib/store/chat-store.ts
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- src/lib/store/chat-store.test.ts
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- src/app/page.tsx
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- src/app/page.test.tsx
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- vitest.config.ts
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- vitest.setup.ts
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- package.json
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### Senior Developer Review (AI)
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- **Outcome:** Approved (Automatic Fixes Applied)
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- **Findings:**
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- 🔴 Architecture: Refactored `src/app/page.tsx` to use atomic selectors.
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- 🟡 Documentation: Added `package.json` to File List.
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- 🟡 Code Quality: Removed internal comments from `src/lib/store/chat-store.ts`.
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- **Validation:** 9/9 Tests passed. All ACs verified.
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