stop-hook-must-guard-against-non-termination-stop-events

Stop hook logic should check whether an actual termination occurred before running verification gates. A heuristic: if the last assistant message is a short waiting phrase or a single punctuation mark (’.’), the hook should exit early without blocking. Alternatively, the hook prompt should include an explicit no-op path: ‘If no stop action was initiated, output APPROVED without further evaluation.‘

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