Initial commit: API Debug Tool

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

server/middleware/auth.js

@@ -0,0 +1,17 @@
+const jwt = require('jsonwebtoken');
+
+const JWT_SECRET = process.env.JWT_SECRET || 'super_secret_api_debug_key';
+
+module.exports = (req, res, next) => {
+    const authHeader = req.headers['authorization'];
+    const token = authHeader && authHeader.split(' ')[1];
+
+    if (!token) return res.status(401).json({ error: '未登录，请先登录' });
+
+    try {
+        req.user = jwt.verify(token, JWT_SECRET);
+        next();
+    } catch {
+        res.status(401).json({ error: 'Token 无效或已过期，请重新登录' });
+    }
+};