modem-tune

Change the reported IMEI on a configured GL.iNet travel router (GL-XE300 or GL-E5800, auto-detected) for work testing. Generates a fresh, never-reused device-class IMEI locally (TAC from per-device config), connects to the modem over SSH, records the outgoing IMEI with a timestamp, applies the change, confirms the device AND the reset with the operator, resets the modem, and verifies the new IMEI is live. EXPLICIT INVOCATION ONLY via /modem-tune. Personal-hardware tool: dormant on any instance without its own private config/modem.json (per-device identity). Subcommand-style requests: status (read-only), revert (factory IMEI).