fix:优化整个大屏界面

server/index.js

@@ -12,6 +12,10 @@ app.use(cors())
 app.use(express.json())
 app.use('/api', routes)
 app.get('/api/health', (_, res) => res.json({ ok: true }))
+app.post('/api/crawler/notify', (_, res) => {
+  notifyCrawlerUpdate()
+  res.json({ ok: true })
+})
 
 const server = http.createServer(app)
 
@@ -29,6 +33,15 @@ function broadcastSituation() {
 }
 setInterval(broadcastSituation, 5000)
 
+// 供爬虫调用：更新 situation.updated_at 并立即广播
+function notifyCrawlerUpdate() {
+  try {
+    const db = require('./db')
+    db.prepare("INSERT OR REPLACE INTO situation (id, data, updated_at) VALUES (1, '{}', ?)").run(new Date().toISOString())
+    broadcastSituation()
+  } catch (_) {}
+}
+
 server.listen(PORT, () => {
   console.log(`API + WebSocket running at http://localhost:${PORT}`)
 })