[REFACTOR] 簡化權限管理介面，整合權限設定至角色管理，並完成多語系支援

app/Http/Controllers/Admin/MachineController.php

@@ -13,13 +13,13 @@ class MachineController extends AdminController
      */
     public function index(Request $request): View
     {
-        $limit = $request->input('limit', 10);
+        $per_page = $request->input('per_page', 10);
         $machines = Machine::query()
             ->when($request->status, function ($query, $status) {
                 return $query->where('status', $status);
             })
             ->latest()
-            ->paginate($limit)
+            ->paginate($per_page)
             ->withQueryString();
 
         return view('admin.machines.index', compact('machines'));
@@ -42,7 +42,7 @@ class MachineController extends AdminController
      */
     public function logs(Request $request): View
     {
-        $limit = $request->input('limit', 20);
+        $per_page = $request->input('per_page', 20);
         $logs = \App\Models\Machine\MachineLog::with('machine')
             ->when($request->level, function ($query, $level) {
                 return $query->where('level', $level);
@@ -51,7 +51,7 @@ class MachineController extends AdminController
                 return $query->where('machine_id', $machineId);
             })
             ->latest()
-            ->paginate($limit)->withQueryString();
+            ->paginate($per_page)->withQueryString();
 
         $machines = Machine::select('id', 'name')->get();