Merged via consolidated batch validation (worktree `.claude/worktrees/batch-0824d`), stacked on the just-merged #11362 as documented. Moves the Video Bridge frame cap to post-dedup, bounds the perceptual candidate pool to at most 2x budget (max 16), includes the dedup policy/version in result-cache identity, adds cooperative abort checks to the comparator loop. Static gates green; own dedup/cache-version regression suite passed in the combined-batch run (grayscale-16x16-mean-cells-v2 policy, real fixtures). Thanks!
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