feat: node traffic limit & batch operations

- Traffic monitoring with transfer_enable limit
- Batch delete nodes
- Reset traffic (single/batch)

app/Http/Controllers/V2/Admin/Server/ManageController.php

@@ -111,6 +111,94 @@ class ManageController extends Controller
         return $this->success(true);
     }
 
+    /**
+     * 批量删除节点
+     * @param \Illuminate\Http\Request $request
+     * @return \Illuminate\Http\JsonResponse
+     */
+    public function batchDelete(Request $request)
+    {
+        $request->validate([
+            'ids' => 'required|array',
+            'ids.*' => 'integer',
+        ]);
+
+        $ids = $request->input('ids');
+        if (empty($ids)) {
+            return $this->fail([400, '请选择要删除的节点']);
+        }
+
+        try {
+            $deleted = Server::whereIn('id', $ids)->delete();
+            if ($deleted === false) {
+                return $this->fail([500, '批量删除失败']);
+            }
+            return $this->success(true);
+        } catch (\Exception $e) {
+            Log::error($e);
+            return $this->fail([500, '批量删除失败']);
+        }
+    }
+
+    /**
+     * 重置节点流量
+     * @param \Illuminate\Http\Request $request
+     * @return \Illuminate\Http\JsonResponse
+     */
+    public function resetTraffic(Request $request)
+    {
+        $request->validate([
+            'id' => 'required|integer',
+        ]);
+
+        $server = Server::find($request->id);
+        if (!$server) {
+            return $this->fail([400202, '服务器不存在']);
+        }
+
+        try {
+            $server->u = 0;
+            $server->d = 0;
+            $server->save();
+            
+            Log::info("Server {$server->id} ({$server->name}) traffic reset by admin");
+            return $this->success(true);
+        } catch (\Exception $e) {
+            Log::error($e);
+            return $this->fail([500, '重置失败']);
+        }
+    }
+
+    /**
+     * 批量重置节点流量
+     * @param \Illuminate\Http\Request $request
+     * @return \Illuminate\Http\JsonResponse
+     */
+    public function batchResetTraffic(Request $request)
+    {
+        $request->validate([
+            'ids' => 'required|array',
+            'ids.*' => 'integer',
+        ]);
+
+        $ids = $request->input('ids');
+        if (empty($ids)) {
+            return $this->fail([400, '请选择要重置的节点']);
+        }
+
+        try {
+            Server::whereIn('id', $ids)->update([
+                'u' => 0,
+                'd' => 0,
+            ]);
+            
+            Log::info("Servers " . implode(',', $ids) . " traffic reset by admin");
+            return $this->success(true);
+        } catch (\Exception $e) {
+            Log::error($e);
+            return $this->fail([500, '批量重置失败']);
+        }
+    }
 
     /**
      * 复制节点
@@ -120,11 +208,11 @@ class ManageController extends Controller
     public function copy(Request $request)
     {
         $server = Server::find($request->input('id'));
-        $server->show = 0;
-        $server->code = null;
         if (!$server) {
             return $this->fail([400202, '服务器不存在']);
         }
+        $server->show = 0;
+        $server->code = null;
         Server::create($server->toArray());
         return $this->success(true);
     }

app/Http/Requests/Admin/ServerSave.php

@@ -128,6 +128,7 @@ class ServerSave extends FormRequest
             'rate_time_ranges.*.end' => 'required_with:rate_time_ranges|string|date_format:H:i',
             'rate_time_ranges.*.rate' => 'required_with:rate_time_ranges|numeric|min:0',
             'protocol_settings' => 'array',
+            'transfer_enable' => 'nullable|integer|min:0',
         ];
     }
 
@@ -200,6 +201,8 @@ class ServerSave extends FormRequest
             'protocol_settings.*.string' => ':attribute 必须是字符串',
             'protocol_settings.*.integer' => ':attribute 必须是整数',
             'protocol_settings.*.in' => ':attribute 的值不合法',
+            'transfer_enable.integer' => '流量上限必须是整数',
+            'transfer_enable.min' => '流量上限不能小于0',
         ];
     }
 }

app/Http/Routes/V2/AdminRoute.php

@@ -82,6 +82,9 @@ class AdminRoute
                 $router->post('/drop', [ManageController::class, 'drop']);
                 $router->post('/copy', [ManageController::class, 'copy']);
                 $router->post('/sort', [ManageController::class, 'sort']);
+                $router->post('/batchDelete', [ManageController::class, 'batchDelete']);
+                $router->post('/resetTraffic', [ManageController::class, 'resetTraffic']);
+                $router->post('/batchResetTraffic', [ManageController::class, 'batchResetTraffic']);
             });
 
             // Order