feat: populate monitor agents from openclaw list

plugin/index.ts

@@ -14,6 +14,7 @@
 import { hostname, freemem, totalmem, uptime, loadavg, platform } from 'os';
 import { getPluginConfig } from './core/config';
 import { MonitorBridgeClient, type OpenClawMeta } from './core/monitor-bridge';
+import { listOpenClawAgents } from './core/openclaw-agents';
 import { registerGatewayStartHook } from './hooks/gateway-start';
 import { registerGatewayStopHook } from './hooks/gateway-stop';
 import {
@@ -120,7 +121,7 @@ export default {
       const meta: OpenClawMeta = {
         version: api.version || 'unknown',
         plugin_version: '0.3.1',
-        agents: [], // TODO: populate from api agent list when available
+        agents: await listOpenClawAgents(logger),
       };
 
       const ok = await bridgeClient.pushOpenClawMeta(meta);