fix: add ACESTEP_SKIP_VRAM_PREFLIGHT env var + gc before preflight check#1091

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FlexOr2 wants to merge 3 commits intoace-step:mainfrom

FlexOr2:fix/optional-vram-preflight

Commits on Apr 12, 2026

fix: add ACESTEP_SKIP_VRAM_PREFLIGHT env var + gc before check
FlexOr2
committed

Commits on Apr 19, 2026

fix: raise VRAM preflight skip notice from debug to warning
FlexOr2
committed

Commits on Apr 21, 2026

fix: gate VRAM preflight cleanup/skip-warning on CUDA availability
FlexOr2
committed