feat: add /api/version health check endpoint for deployment verification

src/index.ts

@@ -62,6 +62,19 @@ app.get('/api/activity/ping', (req, res) => {
   res.json({ success: true, message: 'pong', timestamp: Date.now() });
 });
 
+// 版本/健康检查 (用于验证部署)
+app.get('/api/version', (req, res) => {
+  res.json({
+    success: true,
+    name: 'maqt-backend',
+    version: '1.1.0',
+    buildTime: new Date().toISOString(),
+    commit: 'e249aa5',
+    env: process.env.NODE_ENV || 'development',
+    uptime: process.uptime(),
+  });
+});
+
 app.use('/api', authRoutes);
 app.use('/api/user', userRoutes);
 app.use('/api/schemes', schemeRoutes);