# Implementation Tasks

## Phase 1: Backend API

### Task 1.1: Create Dashboard Schema
- [ ] Create `backend/app/schemas/dashboard.py` with response models
  - `TaskStatistics`: assigned_count, due_this_week, overdue_count, completion_rate
  - `DashboardResponse`: task_stats, workload_summary, health_summary
- **Validation**: Schema imports without errors

### Task 1.2: Create Dashboard Router
- [ ] Create `backend/app/api/dashboard/router.py`
- [ ] Implement `GET /api/dashboard` endpoint
  - Query tasks assigned to current user
  - Reuse workload service for current week summary
  - Reuse health service for project summary
- [ ] Register router in `backend/app/main.py`
- **Validation**: `curl -H "Authorization: Bearer $TOKEN" http://localhost:8000/api/dashboard` returns valid JSON

## Phase 2: Frontend Implementation

### Task 2.1: Create Dashboard Service
- [ ] Create `frontend/src/services/dashboard.ts`
- [ ] Define TypeScript interfaces matching backend schema
- [ ] Implement `getDashboard()` API function
- **Validation**: TypeScript compiles without errors

### Task 2.2: Implement Dashboard Components
- [ ] Create `StatisticsCard` component for task stats
- [ ] Create `WorkloadWidget` component (reuse styles from WorkloadPage)
- [ ] Create `HealthSummaryWidget` component
- [ ] Create `QuickActions` component with navigation links
- **Validation**: Components render without console errors

### Task 2.3: Integrate Dashboard Page
- [ ] Replace placeholder content in `Dashboard.tsx`
- [ ] Add loading state with Skeleton components
- [ ] Add error handling with retry
- [ ] Style components to match existing UI
- **Validation**: Dashboard displays data correctly after login

## Phase 3: Testing & Polish

### Task 3.1: Add Backend Tests
- [ ] Create `backend/tests/test_dashboard.py`
- [ ] Test endpoint returns correct structure
- [ ] Test data aggregation logic
- **Validation**: `pytest tests/test_dashboard.py -v` passes

### Task 3.2: Visual Polish
- [ ] Ensure responsive layout for mobile
- [ ] Match color scheme with existing pages
- [ ] Add subtle animations for loading states
- **Validation**: Manual visual review on different screen sizes

## Dependencies

- Tasks 2.x depend on Task 1.2 completion
- Task 3.1 can run in parallel with Phase 2