perf(heartbeat): 10s interval, collect metrics every 3rd beat (30s)

Made-with: Cursor

lib/client.js

@@ -11,9 +11,11 @@ const { ProvisionManager } = require('./provisioning');
 const { hasInternet }      = require('./network');
 const led = require('./led');
 
-const MAX_BACKOFF_MS   = 60_000;
-const PONG_TIMEOUT_MS  = 15_000;
-const PING_INTERVAL_MS = 30_000;
+const MAX_BACKOFF_MS      = 60_000;
+const PONG_TIMEOUT_MS     = 15_000;
+const PING_INTERVAL_MS    = 30_000;
+const HEARTBEAT_INTERVAL_MS = 10_000; // 心跳间隔：10 秒，用于快速感知网络状态
+const METRICS_EVERY_N     = 3;        // 每 N 次心跳采集一次指标（= 30 秒）
 
 // systemd watchdog: 如果 WatchdogSec 存在，定期发 WATCHDOG=1
 const SD_WATCHDOG_USEC = parseInt(process.env.WATCHDOG_USEC || '0', 10);
@@ -279,9 +281,8 @@ class ClawClient {
 
   _startHeartbeat() {
     this._clearHeartbeat();
-    const interval = (this._cfg.heartbeat_interval || 30) * 1000;
     this._sendHeartbeat();
-    this._hbTimer = setInterval(() => this._sendHeartbeat(), interval);
+    this._hbTimer = setInterval(() => this._sendHeartbeat(), HEARTBEAT_INTERVAL_MS);
   }
 
   async _sendHeartbeat() {
@@ -289,23 +290,25 @@ class ClawClient {
     try {
       this._hbCount++;
 
-      // 每 10 次心跳（约 5 分钟）刷新一次 dashboard 信息，
-      // 确保初次提取失败时能自动补偿，或在 token 变化后自动同步
-      if (this._hbCount % 10 === 0) {
+      // 每 30 次心跳（约 5 分钟）刷新一次 dashboard 信息
+      if (this._hbCount % 30 === 0) {
         const freshInfo = await getDashboardInfo().catch(() => null);
         if (freshInfo && Object.keys(freshInfo).length > 0) {
           this._dashInfo = freshInfo;
         }
       }
 
-      const metrics = await collect();
-      this._send({
+      // 每 METRICS_EVERY_N 次心跳（30 秒）采集一次指标，其余发轻量心跳
+      const msg = {
         type:    'heartbeat',
         claw_id: this._cfg.claw_id,
         token:   this._cfg.token,
-        metrics,
-        ...this._dashInfo,   // 携带 dashboard_token / dashboard_port，供 VPS 幂等更新
-      });
+        ...this._dashInfo,
+      };
+      if (this._hbCount % METRICS_EVERY_N === 0) {
+        msg.metrics = await collect();
+      }
+      this._send(msg);
     } catch (e) {
       log.error('clawd', '心跳发送失败:', e.message);
     }