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specs/007-migration-dashboard-grid/data-model.md

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+# Data Model: Migration Dashboard Grid
+
+## Entities
+
+### Dashboard
+Represents a Superset dashboard with extended metadata for migration selection.
+
+| Field | Type | Description | Source |
+|-------|------|-------------|--------|
+| `id` | `int` | Unique identifier | Superset API |
+| `title` | `string` | Display name of the dashboard | Superset API (`dashboard_title`) |
+| `changed_on` | `datetime` | Last modification timestamp (UTC) | Superset API (`changed_on_utc`) |
+| `published` | `boolean` | Publication status (True=Published, False=Draft) | Superset API |
+| `url` | `string` | Link to the dashboard (optional, for preview) | Superset API (`url`) |
+
+### DashboardSelection
+State of the user's selection in the grid.
+
+| Field | Type | Description |
+|-------|------|-------------|
+| `selected_ids` | `Set<int>` | IDs of selected dashboards |
+| `is_all_selected` | `boolean` | Helper for "Select All" logic (optional) |
+
+## Component State (Frontend)
+
+### DashboardGrid
+State managed within the Svelte component.
+
+| State | Type | Description |
+|-------|------|-------------|
+| `dashboards` | `Array<Dashboard>` | Full list of fetched dashboards |
+| `filtered_dashboards` | `Array<Dashboard>` | List after applying text filter |
+| `paginated_dashboards` | `Array<Dashboard>` | Slice of filtered list for current view |
+| `filter_text` | `string` | Current search query |
+| `sort_by` | `string` | Column key to sort by (`title`, `changed_on`, `published`) |
+| `sort_asc` | `boolean` | Sort direction |
+| `page` | `int` | Current page number (0-indexed) |
+| `page_size` | `int` | Items per page (default 20) |