#!/usr/bin/php
[2026-06-13 04:02:45] [INFO] === HEARTBEAT START ===
[2026-06-13 04:02:45] [INFO] Updated last_seen for QUO-939C0AE21807FAE1
[2026-06-13 04:02:45] [INFO] Heartbeat recorded
[2026-06-13 04:02:45] [INFO] Validator is ACTIVE
[2026-06-13 04:02:45] [INFO] === HEARTBEAT END ===