feat: rework downloads widget with mantine-datatable

- Replace mantine-react-table with mantine-datatable for a cleaner, lighter table
- Add right-click context menu with pause/resume/delete/copy actions
- Add row expansion for inline detail view (replaces modal)
- Implement responsive scaling based on widget width
- Add footer filter panel with client and status filtering
- Show status badges with color-coded indicators
- Display speed indicators with icons in column cells
- Add global ratio, total speeds, and item count in footer
- Sort always enabled (removed confusing enableRowSorting toggle)
- Reorder default columns to prioritize useful information
- Update docs and translations

packages/widgets/src/downloads/styles.css

@@ -1,12 +1,52 @@
-/* Make the MantineReactTable transparent so the board card's opacity-controlled
-   background shows through. MRT defaults to var(--mantine-color-body) which is opaque. */
-.downloads-widget-table,
-.downloads-widget-table .mantine-Table-table,
-.downloads-widget-table .mantine-Table-thead,
-.downloads-widget-table .mantine-Table-tbody,
-.downloads-widget-table .mantine-Table-tfoot,
-.downloads-widget-table .mantine-Table-tr,
-.downloads-widget-table th,
-.downloads-widget-table td {
+/* Make the DataTable transparent so the board card's opacity-controlled
+   background shows through. The mantine-datatable defaults to
+   var(--mantine-color-body) which is opaque. */
+.downloads-table,
+.downloads-table .mantine-datatable-table,
+.downloads-table .mantine-datatable-table thead,
+.downloads-table .mantine-datatable-table tbody,
+.downloads-table .mantine-datatable-table tfoot,
+.downloads-table th,
+.downloads-table td {
   background-color: transparent !important;
 }
+
+.downloads-table .mantine-datatable-table tr {
+  background-color: transparent;
+}
+
+.downloads-table .mantine-datatable-table tbody tr:hover {
+  background-color: color-mix(in srgb, var(--mantine-color-default-hover) 40%, transparent) !important;
+}
+
+.downloads-table th {
+  white-space: nowrap;
+  background-color: color-mix(in srgb, var(--mantine-color-body) 60%, transparent) !important;
+  backdrop-filter: blur(8px);
+}
+
+.downloads-table td {
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.downloads-table td .mantine-Text-root,
+.downloads-table td .mantine-Group-root {
+  white-space: nowrap;
+  flex-wrap: nowrap;
+}
+
+.downloads-table .mantine-datatable-header-cell-sortable-icon {
+  opacity: 0;
+  transition: opacity 150ms;
+}
+
+.downloads-table th:hover .mantine-datatable-header-cell-sortable-icon {
+  opacity: 1;
+}
+
+/* Row expansion styling */
+.downloads-table .mantine-datatable-row-expansion-cell {
+  background-color: color-mix(in srgb, var(--mantine-color-body) 40%, transparent) !important;
+}