feat(spec): HookContext admits a row-invariant-in-effect rewrite by per-row previous on a predicate write, kept safe by the key-divergence refusal - #17249

feat(spec): HookContext admits a row-invariant-in-effect rewrite by per-row previous on a predicate write, kept safe by the key-divergence refusal#17249

os-bill wants to merge 4 commits into

mainobjectstack-ai/objectstack:mainfrom

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