The Ceiling on a Self-Paced Loop's Wait Time

A developer runs a self-paced loop with no fixed interval:

/loop check whether CI passed and address any review comments

Claude Code lets Claude itself choose the delay before each next check, based on what it just observed — short waits while a build is actively running, longer waits once things go quiet.

What is the maximum delay Claude can choose between checks in a self-paced loop?