const { Client } = require('ssh2');
const c = new Client();
c.on('ready', () => {
  const cmd = [
    "echo '=== ENV KB CONFIG ==='",
    "grep -E 'VOLC_ARK_ENDPOINT_ID|VOLC_ARK_KNOWLEDGE|VOLC_ARK_API_KEY|VOLC_ACCESS_KEY' /www/wwwroot/demo.tensorgrove.com.cn/server/.env | sed 's/=.\\{8\\}/=***REDACTED/g'",
    "echo ''",
    "echo '=== RECENT KB LOGS (last 500 lines) ==='",
    "tail -500 /var/log/bigwo/server-out.log | grep -E 'ToolExecutor|searchKnowledge|Ark KB|knowledge|processReply start|processReply handoff|external_rag|tts_reset|blockUpstream|unblock|barge-in|upstream assistant|upstream final|upstream partial'",
    "echo ''",
    "echo '=== RECENT ERROR LOGS ==='",
    "tail -100 /var/log/bigwo/server-error.log 2>/dev/null | grep -E 'ToolExecutor|Ark|knowledge|timeout|quota' | tail -20",
    "echo ''",
    "echo '=== PM2 STATUS ==='",
    "pm2 list 2>/dev/null || echo 'pm2 not found'",
  ].join(' && ');
  c.exec(cmd, (err, s) => {
    if (err) { console.error(err); c.end(); return; }
    let o = '';
    s.on('data', (d) => (o += d));
    s.stderr.on('data', (d) => (o += d));
    s.on('close', () => { console.log(o); c.end(); });
  });
}).connect({ host: '119.45.10.34', port: 22, username: 'root', password: '#xyzh%CS#2512@28' });