feat: 完成權限管理系統、統一頁面標題樣式與表格對齊規範

app/Http/Middleware/HandleInertiaRequests.php

@@ -35,10 +35,20 @@ class HandleInertiaRequests extends Middleware
      */
     public function share(Request $request): array
     {
+        $user = $request->user();
+        
         return [
             ...parent::share($request),
             'auth' => [
-                'user' => $request->user(),
+                'user' => $user ? [
+                    'id' => $user->id,
+                    'name' => $user->name,
+                    'email' => $user->email,
+                    'username' => $user->username ?? null,
+                    // 權限資料
+                    'roles' => $user->getRoleNames(),
+                    'permissions' => $user->getAllPermissions()->pluck('name')->toArray(),
+                ] : null,
             ],
             'flash' => [
                 'success' => $request->session()->get('success'),