修复websocket

server/index.js

@@ -1026,7 +1026,34 @@ function broadcast(data) {
 async function broadcastMetrics() {
   try {
     const overview = await getOverview();
-    broadcast({ type: 'overview', data: overview });
+    
+    // Also include latencies in the broadcast to make map lines real-time
+    const [routes] = await db.query(`
+      SELECT r.*, s.url, s.type as source_type
+      FROM latency_routes r 
+      JOIN prometheus_sources s ON r.source_id = s.id
+    `);
+    
+    const latencyResults = await Promise.all(routes.map(async (route) => {
+      let latency = await cache.get(`latency:route:${route.id}`);
+      if (latency === null && route.source_type === 'prometheus') {
+        latency = await prometheusService.getLatency(route.url, route.latency_target);
+      }
+      return {
+        id: route.id,
+        source: route.latency_source,
+        dest: route.latency_dest,
+        latency: latency
+      };
+    }));
+
+    broadcast({ 
+      type: 'overview', 
+      data: {
+        ...overview,
+        latencies: latencyResults
+      }
+    });
   } catch (err) {
     // console.error('WS Broadcast error:', err.message);
   }