Mutant decay-item-from-last-entry survived dc244686: the gun was the last-inserted entry, so
Values.Last().Item was its own, and every other entry was rewritten by its Execute after the
decay loop. The fixture now stops the drive and pings once, so the gun, the drive and the ping
are touched by decay alone and their three items differ. Builds.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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