fix: preserve page state on back navigation and sort downloads by newest

- Only reset page to 0 when category actually changes in setSelectedCategory
- Preserve current page when navigating back from VOD/series details
- Sort downloads list by createdAt descending (newest first)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/web/src/app/xtream-tauri/downloads/downloads.component.ts

@@ -40,11 +40,19 @@ export class DownloadsComponent implements OnInit {
     readonly hasDownloads = this.downloadsService.hasDownloads;
     readonly activeCount = this.downloadsService.activeCount;
 
-    /** Filter downloads for current playlist */
+    /** Filter downloads for current playlist and sort by newest first */
     readonly filteredDownloads = computed(() => {
         const playlistId = this.route.snapshot.params['id'];
-        if (!playlistId) return this.downloads();
-        return this.downloads().filter((d) => d.playlistId === playlistId);
+        const downloads = playlistId
+            ? this.downloads().filter((d) => d.playlistId === playlistId)
+            : this.downloads();
+
+        // Sort by createdAt descending (newest first)
+        return [...downloads].sort((a, b) => {
+            const dateA = a.createdAt ? new Date(a.createdAt).getTime() : 0;
+            const dateB = b.createdAt ? new Date(b.createdAt).getTime() : 0;
+            return dateB - dateA;
+        });
     });
 
     ngOnInit() {

apps/web/src/app/xtream-tauri/stores/features/with-selection.feature.ts

@@ -278,13 +278,20 @@ export function withSelection() {
 
             /**
              * Set the selected category
+             * Only resets page to 0 when category actually changes
              */
             setSelectedCategory(categoryId: number | null): void {
-                patchState(store, {
-                    selectedCategoryId:
-                        categoryId !== null ? Number(categoryId) : null,
-                    page: 0,
-                });
+                const newCategoryId =
+                    categoryId !== null ? Number(categoryId) : null;
+                const currentCategoryId = store.selectedCategoryId();
+
+                // Only reset page if category actually changed
+                if (currentCategoryId !== newCategoryId) {
+                    patchState(store, {
+                        selectedCategoryId: newCategoryId,
+                        page: 0,
+                    });
+                }
             },
 
             /**