[FEAT] 優化廣告與機台管理介面及效能

1. [廣告管理] 修復編輯素材時刪除按鈕顯示邏輯並優化預覽功能。
2. [廣告管理] 修正請求回傳格式為 JSON，解決 AJAX 解析錯誤。
3. [機台管理] 實作 Alpine.js 無感頁籤切換（機台列表與效期管理）。
4. [機台管理] 移除冗餘返回按鈕，改為動態標題與頁籤重設邏輯。
5. [機台管理] 統一後端查詢，減少切換分頁時的延遲感。
6. [商品管理] 支援商品圖片 WebP 自動轉換，並調整上傳大小限制 (10MB)。
7. [UI] 修正多個管理模組的 JS 時序競爭與 Preline HSSelect 重置問題。

app/Http/Controllers/Admin/AdvertisementController.php

@@ -6,11 +6,14 @@ use App\Models\Machine\Machine;
 use App\Models\Machine\MachineAdvertisement;
 use App\Models\System\Advertisement;
 use App\Models\System\Company;
+use App\Traits\ImageHandler;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Storage;
 
 class AdvertisementController extends AdminController
 {
+    use ImageHandler;
+
     public function index(Request $request)
     {
         $user = auth()->user();
@@ -48,13 +51,19 @@ class AdvertisementController extends AdminController
                 'required',
                 'file',
                 'mimes:jpeg,png,jpg,gif,webp,mp4,mov,avi',
-                $request->type === 'image' ? 'max:5120' : 'max:51200', // Image 5MB, Video 50MB
+                $request->type === 'image' ? 'max:10240' : 'max:51200', // Image 10MB, Video 50MB
             ],
             'company_id' => 'nullable|exists:companies,id',
         ]);
 
         $user = auth()->user();
-        $path = $request->file('file')->store('ads', 'public');
+        $file = $request->file('file');
+        
+        if ($request->type === 'image') {
+            $path = $this->storeAsWebp($file, 'ads');
+        } else {
+            $path = $file->store('ads', 'public');
+        }
 
         if ($user->isSystemAdmin()) {
             $companyId = $request->filled('company_id') ? $request->company_id : null;
@@ -71,6 +80,14 @@ class AdvertisementController extends AdminController
             'is_active' => true,
         ]);
 
+        if ($request->wantsJson()) {
+            return response()->json([
+                'success' => true,
+                'message' => __('Advertisement created successfully.'),
+                'data' => $advertisement
+            ]);
+        }
+
         return redirect()->back()->with('success', __('Advertisement created successfully.'));
     }
 
@@ -88,7 +105,7 @@ class AdvertisementController extends AdminController
             $rules['file'] = [
                 'file',
                 'mimes:jpeg,png,jpg,gif,webp,mp4,mov,avi',
-                $request->type === 'image' ? 'max:5120' : 'max:51200',
+                $request->type === 'image' ? 'max:10240' : 'max:51200',
             ];
         }
 
@@ -104,16 +121,32 @@ class AdvertisementController extends AdminController
 
         if ($request->hasFile('file')) {
             // 刪除舊檔案
+            // 處理 URL 可能包含 storage 或原始路徑的情況
             $oldPath = str_replace(Storage::disk('public')->url(''), '', $advertisement->url);
+            // 去除開頭可能的斜線
+            $oldPath = ltrim($oldPath, '/');
             Storage::disk('public')->delete($oldPath);
 
             // 存入新檔案
-            $path = $request->file('file')->store('ads', 'public');
+            $file = $request->file('file');
+            if ($request->type === 'image') {
+                $path = $this->storeAsWebp($file, 'ads');
+            } else {
+                $path = $file->store('ads', 'public');
+            }
             $data['url'] = Storage::disk('public')->url($path);
         }
 
         $advertisement->update($data);
 
+        if ($request->wantsJson()) {
+            return response()->json([
+                'success' => true,
+                'message' => __('Advertisement updated successfully.'),
+                'data' => $advertisement
+            ]);
+        }
+
         return redirect()->back()->with('success', __('Advertisement updated successfully.'));
     }
 
@@ -129,6 +162,13 @@ class AdvertisementController extends AdminController
         Storage::disk('public')->delete($path);
 
         $advertisement->delete();
+        if ($request->wantsJson()) {
+            return response()->json([
+                'success' => true,
+                'message' => __('Advertisement deleted successfully.')
+            ]);
+        }
+        
         return redirect()->back()->with('success', __('Advertisement deleted successfully.'));
     }