fix: 修复埋点查询 LIMIT/OFFSET 参数类型错误

- mysql2 execute 对 LIMIT/OFFSET 参数类型要求严格
- 改为直接嵌入 SQL 字符串（pSize 和 offset 已是安全的数字）

server/src/routes/logs.ts

@@ -157,14 +157,15 @@ router.get('/track/list', requireAdmin, async (req, res) => {
     )
     const total = (countResult as any[])[0].total
 
+    // LIMIT/OFFSET 直接嵌入 SQL（mysql2 execute 对这些参数类型要求严格）
     const [rows] = await pool.execute(
       `SELECT t.*, u.nickname
        FROM track_events t
        LEFT JOIN users u ON t.user_id = u.id
        WHERE ${where}
        ORDER BY t.created_at DESC
-       LIMIT ? OFFSET ?`,
-      [...params, pSize, offset]
+       LIMIT ${pSize} OFFSET ${offset}`,
+      params
     )
 
     res.json({