feat: handle server status/event in bridge to show balance/usage/model

src/pages/index/index.ux

@@ -186,7 +186,17 @@ export default {
   onTokenChange(e) { this.settings.token = e && e.value || '' },
 
   handleBridgeMessage(msg) {
-    // 空壳：后续按 PROTOCOL.md 处理 status/event
+    if (!msg) return
+    if (msg.type === 'status' && msg.payload) {
+      const pl = msg.payload
+      if (typeof pl.balance !== 'undefined') this.balance = pl.balance
+      if (typeof pl.todayCost !== 'undefined') this.todayCost = pl.todayCost
+      if (pl.model) this.statusText = '在线 · ' + pl.model
+      if (typeof pl.running !== 'undefined') this.statusText = pl.running ? '执行中' : '空闲'
+      this.connText = pl.model ? ('在线 · ' + pl.model) : '已连接'
+    } else if (msg.type === 'event' && msg.payload) {
+      // 后续可更新会话/事件列表
+    }
   }
 }
 </script>