Both harnesses executed top-to-bottom on import, so anything collecting
them (pytest, a glob import) ran live-store side effects. main() guards
plus finally-block cleanup of the _t_* cron output dirs the fabricated
jobs leave behind.
Disposable harnesses from the wake-RFI thread (01M2WT3F): exit1-behavior-test.py
covers the monitor exit-code/gate path including a sustained-failure/no-backoff
assertion; hash_gate_repro.py covers the detection-time hash persistence
crash-before-read boundary with consumption/unchanged/changed controls.
Both fail nonzero on mismatch. Committing so seat artifact provenance
rides git rather than file mtimes.
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