fix: 搜索路由参数校验 — page>=1、limit 1-500

source_clean/src/routes/search.routes.ts

@@ -289,6 +289,17 @@ router.get('/search', searchLimiter, async (req: Request, res: Response) => {
       res.status(400).json({ error: 'Query parameter "q" is required' });
       return;
     }
+    if (isNaN(page) || page < 1) {
+      res.status(400).json({ error: 'Page must be >= 1' });
+      return;
+    }
+    if (req.query.limit !== undefined) {
+      const limit = parseInt(req.query.limit as string, 10);
+      if (isNaN(limit) || limit < 1 || limit > 500) {
+        res.status(400).json({ error: 'Limit must be 1-500' });
+        return;
+      }
+    }
 
     const result = await search(keyword, page, ip);