fix(executor): validate writes before disk, wire rollback, emit validation_failed - #402

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ceilf6 wants to merge 10 commits into

fix/guard-pre-write-validation

Commits on Jul 31, 2026

fix(executor): validate writes before disk, wire rollback, emit validation_failed

ceilf6
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claude
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fix(executor): emit validation_failed only for real check failures

ceilf6
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claude
committed

Commits on Aug 1, 2026

fix(executor): narrow the pre-write veto, cover apply_patch, make rollback failure observable

ceilf6
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claude
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fix(executor): align the rollback trigger with the veto scope, and stop content from shadowing patches

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claude
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fix(executor): read the written file back, so post-write validation is reachable

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claude
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fix(executor): stop giving write-veto power to a heuristic that flags legitimate code

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claude
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fix(executor): dispatch post-write validation by action too, and name the rollback field honestly

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claude
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fix(executor): put the write veto back under enabledChecks, and off .yaml

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claude
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chore: remove fixture-deep files that rode in from the worktree

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claude
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fix(executor): stop the unreliable syntax check from deciding step outcomes

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claude
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