acquire() judges at the slot: household signals first (admission), then a held slot (slot);
nothing queues, so a request can no longer wait on the worker lock past a changed gate. While
Vili's job holds the slot, and until free VRAM recovers to its pre-job level (capped), low free
VRAM is not the household's; full-screen and 3D always count. A sample with no resolved 3D
counters is a probe fault and the gate fails closed. The placement 503 carries no gate status.
A malformed VILI_GPU_* override refuses to start, naming the variable.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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