feat: Implement complete server deletion endpoint in API and update FilterManager to utilize it for removing server configurations and associated files

backend/server.js

@@ -648,6 +648,36 @@ app.delete('/api/server-configs/:serverId', async (req, res) => {
     }
 });
 
+// Delete server completely (config + filters)
+app.delete('/api/server-configs/:serverId/complete', async (req, res) => {
+    const { serverId } = req.params;
+    
+    try {
+        // Удаляем конфигурацию сервера
+        const configParams = {
+            Bucket: BUCKET_NAME,
+            Key: `filter-manager/config-${serverId}.txt`,
+        };
+        
+        // Удаляем фильтры сервера
+        const filtersParams = {
+            Bucket: BUCKET_NAME,
+            Key: `filter-manager/server-filters-${serverId}.json`,
+        };
+        
+        // Удаляем оба файла параллельно
+        await Promise.allSettled([
+            s3.deleteObject(configParams).promise(),
+            s3.deleteObject(filtersParams).promise()
+        ]);
+        
+        res.send('Server and all associated files deleted successfully');
+    } catch (error) {
+        console.error(error);
+        res.status(500).send('Error deleting server files from S3');
+    }
+});
+
 // --- Server Filters Routes ---
 
 // Get server filters