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nanobot/tests/cron
f10renceandXubin Ren 8bdf5ed2b2 fix(cron): keep scheduler alive when job-store persistence fails
A single OSError from _save_store() (disk full, permission change, locked
file) escaped _on_timer's try/finally and killed the asyncio timer task,
because _arm_timer() sits outside the block. All scheduled jobs silently
stopped until restart or a manual re-arm via add_job/update_job/remove_job.

Move _arm_timer() into the finally block and guard the whole tick body
(including _load_store, which can persist during agent-binding migrations)
so a transient persistence failure is logged and retried on the next tick
instead of killing the scheduler.

Add test_save_store_failure_does_not_kill_scheduler to cover the failure
path that existing tests (which mock _arm_timer) never exercised.
2026-08-15 23:34:35 +08:00
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