fix

app/Http/Controllers/CategoryController.php

@@ -33,14 +33,14 @@ public function index(Request $request)
             $query->with('subcategories');
         }
 
-        $categories = $query->orderBy('name')->get();
+        $categories = $query->orderBy('order')->orderBy('name')->get();
 
         // No type filter → also fold in the playlist (music) categories so the
         // response contains every category across both tables.
         if (!$request->filled('type')) {
             $categories = $categories
                 ->concat($this->playlistCategories($request))
-                ->sortBy('name')
+                ->sortBy([['order', 'asc'], ['name', 'asc']])
                 ->values();
         }
 
@@ -88,6 +88,7 @@ public function store(Request $request)
                 Rule::unique('categories', 'name')->where('type', $request->input('type', Category::TYPE_MEDIA)),
             ],
             'type' => ['nullable', Rule::in(Category::TYPES)],
+            'order' => 'nullable|integer',
             'description' => 'nullable|string',
             'icon' => 'nullable|file|extensions:jpg,jpeg,png,gif,webp,bmp,svg|max:8192',
         ]);
@@ -95,6 +96,7 @@ public function store(Request $request)
         $category = Category::create([
             'name' => $data['name'],
             'type' => $data['type'] ?? Category::TYPE_MEDIA,
+            'order' => $data['order'] ?? 0,
             'description' => $data['description'] ?? null,
             'icon' => $request->hasFile('icon')
                 ? $this->storeUpload($request->file('icon'), 'categories/icons')
@@ -158,6 +160,7 @@ public function update(Request $request, $id)
                     ->ignore($category->id),
             ],
             'type' => ['nullable', Rule::in(Category::TYPES)],
+            'order' => 'nullable|integer',
             'description' => 'nullable|string',
             'icon' => 'nullable|file|extensions:jpg,jpeg,png,gif,webp,bmp,svg|max:8192',
         ]);
@@ -165,6 +168,9 @@ public function update(Request $request, $id)
         if (array_key_exists('type', $data) && $data['type'] !== null) {
             $category->type = $data['type'];
         }
+        if (array_key_exists('order', $data) && $data['order'] !== null) {
+            $category->order = $data['order'];
+        }
         if (array_key_exists('name', $data)) {
             $category->name = $data['name'];
         }