# Tasks: Migration Plugin Dashboard Grid

## Phase 1: Setup
- [ ] T001 Create migration route module in backend/src/api/routes/migration.py
- [ ] T002 Register migration router in backend/src/app.py
- [ ] T003 Export migration router in backend/src/api/routes/__init__.py

## Phase 2: Foundational
- [ ] T004 Create Dashboard model in backend/src/models/dashboard.py

## Phase 3: User Story 1 - Advanced Dashboard Selection
- [ ] T005 [P] [US1] Extend SupersetClient to fetch dashboards with metadata (handling missing fields) in backend/src/core/superset_client.py
- [ ] T006 [US1] Implement GET /api/migration/dashboards endpoint in backend/src/api/routes/migration.py
- [ ] T007 [P] [US1] Create DashboardGrid component structure in frontend/src/components/DashboardGrid.svelte
- [ ] T008 [US1] Implement data fetching and state management in frontend/src/components/DashboardGrid.svelte
- [ ] T009 [US1] Implement client-side filtering logic in frontend/src/components/DashboardGrid.svelte
- [ ] T010 [US1] Implement pagination logic in frontend/src/components/DashboardGrid.svelte
- [ ] T011 [US1] Implement selection logic (single and Select All) in frontend/src/components/DashboardGrid.svelte
- [ ] T012 [US1] Integrate DashboardGrid into migration page and connect selection to submission in frontend/src/routes/migration/+page.svelte
- [ ] T013 [US1] Implement POST /api/migration/execute endpoint to accept selected dashboard IDs in backend/src/api/routes/migration.py

## Phase 4: Polish
- [ ] T014 Verify error handling and empty states in frontend/src/components/DashboardGrid.svelte
- [ ] T015 Ensure consistent styling with Tailwind CSS in frontend/src/components/DashboardGrid.svelte

## Dependencies
- US1 depends on T004, T005, T006

## Implementation Strategy
- Implement backend support first (Models -> Client -> API)
- Implement frontend component with mock data then connect API
- Integrate into main page