[FEAT] 整合機台設定之機台權限管理功能，優化篩選器佈局並修復 Alpine.js 語法錯誤

app/Http/Controllers/Admin/BasicSettings/MachineSettingController.php

@@ -45,8 +45,28 @@ class MachineSettingController extends AdminController
         }
         $models_list = $modelQuery->latest()->paginate($per_page)->withQueryString();
 
+        // 3. 處理機台權限 (Permissions Tab) - 僅顯示 is_admin 帳號
+        $users_list = null;
+        if ($tab === 'permissions') {
+            $userQuery = \App\Models\System\User::query()
+                ->where('is_admin', true)
+                ->with(['company', 'machines']);
+            
+            if ($search) {
+                $userQuery->where(function($q) use ($search) {
+                    $q->where('name', 'like', "%{$search}%")
+                      ->orWhere('username', 'like', "%{$search}%");
+                });
+            }
 
-        // 3. 基礎下拉資料 (用於新增/編輯機台的彈窗)
+            if ($request->filled('company_id')) {
+                $userQuery->where('company_id', $request->company_id);
+            }
+
+            $users_list = $userQuery->latest()->paginate($per_page)->withQueryString();
+        }
+
+        // 4. 基礎下拉資料 (用於新增/編輯機台的彈窗)
         $models = MachineModel::select('id', 'name')->get();
         $paymentConfigs = PaymentConfig::select('id', 'name')->get();
         $companies = \App\Models\System\Company::select('id', 'name', 'code')->get();
@@ -54,6 +74,7 @@ class MachineSettingController extends AdminController
         return view('admin.basic-settings.machines.index', compact(
             'machines', 
             'models_list', 
+            'users_list',
             'models', 
             'paymentConfigs', 
             'companies',