fix(scheduler): non-blocking drain + eviction-to-make-room in GPU arbiter#1706

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hognek wants to merge 8 commits into

hognek:fix/queue-processor-nonblocking-drain

Commits on Jul 7, 2026

feat(scheduler): GPU arbiter — VRAM-accounted admission + queue + eviction
hognek
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fix(scheduler): preempt running GPU work on eviction, not just cancel futures
hognek
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fix(scheduler): clear lease-release ownership in eviction vs. completion
hognek
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fix(tests): remove test_gpu_arbiter.py — uses #1689-style API incompatible with stack
hognek
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fix(scheduler): close TOCTOU race in GPU admission with in-flight VRAM reservation
hognek
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fix(scheduler): move lease claim inside try/finally + subtract reserved VRAM in cluster path
hognek
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fix(scheduler): non-blocking drain + eviction-to-make-room in GPU arbiter
hognek
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fix(scheduler): use _reserve_and_check in post-eviction re-admit path
hognek
committed