[FEAT] 機台權限功能增強、UI 輕巧化與多語系優化

app/Http/Controllers/Admin/MaintenanceController.php

@@ -22,6 +22,7 @@ class MaintenanceController extends Controller
         $this->authorize('viewAny', MaintenanceRecord::class);
 
         $query = MaintenanceRecord::with(['machine', 'user', 'company'])
+            ->whereHas('machine') // 確保僅顯示該帳號「看得見」的機台紀錄，避開因權限隔離導致的 null 報錯
             ->latest('maintenance_at');
 
         // 搜尋邏輯