chore(tasks): file the velox hibernate drain diagnosis and archive three done clustersHEADmain

Two overnight hibernates ended with a dead battery. The journal and upower
history point at three separate faults, so I filed them as three children of
the sleep task: the Framework 13 AMD freeze on hibernate entry (with a
five-cycle observed test), the ZFS ARC starving the image preallocation so
suspend-then-hibernate only ever suspends, and the SD reader's media polling
blocking suspend outright. Until the freeze is confirmed the rule is written
down: no unattended hibernate on battery. Archived three finished clusters.

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