feat(service): đổi sản phẩm của dịch vụ, 2FA bắt buộc, đính kèm campaign mail, thu hồi IP

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

app/Http/Controllers/Api/Admin/IpPool/Concerns/ManagesIpPoolAllocation.php

@@ -6,6 +6,7 @@ use App\Models\Customer;
 use App\Models\IpPool;
 use App\Models\IpPoolLog;
 use App\Services\IpPool\IpAllocationService;
+use App\Services\IpPool\IpReleaseService;
 use App\Support\MailAttachments;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
@@ -46,6 +47,18 @@ trait ManagesIpPoolAllocation
         return response()->json(['error' => false, 'message' => "Đã thu hồi {$count} IP và gửi email thông báo"]);
     }
 
+    public function release(Request $request, IpReleaseService $release): JsonResponse
+    {
+        $data = $request->validate([
+            'ids'   => 'required|array|min:1|max:1000',
+            'ids.*' => 'integer',
+            'note'  => 'nullable|string|max:2000',
+        ]);
+        $count = $release->release($data['ids'], $data['note'] ?? null, $request->user('admin'));
+
+        return response()->json(['error' => false, 'message' => "Đã giải phóng {$count} IP khỏi dịch vụ/VM"]);
+    }
+
     public function logs(int $id): JsonResponse
     {
         $pool = IpPool::withTrashed()->findOrFail($id);