Cron Model Migration Overview Use this skill when a cron job needs a model change or when cron runs fail after a model change. The goal is simple: avoid reusing a session that is already bound to a different model. Core rule Prefer for cron jobs that set . Why: - isolated jobs run dedicated agent turns instead of sharing the main session - isolated runs are the safest place to override model/thinking - persistent/shared sessions are where model-switch residue shows up most often If a cron does not need shared conversation history, keep it isolated. Decision tree Case 1 — New cron job with a s…