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The clarification attempt cap bounded questions, not the action schema. A request with two required gaps could spend its budget on the first, fill it, and reach applyAction with the second still absent, so the cap acted as permission to execute a partial action. resolveClarifyAnswer now rebuilds the pending action and re-runs the canonical missingFor check after every filled gap. One remaining gap yields exactly one next question while PendingAction.CanAsk permits it. Exhaustion says the give-up line, pops only the active stack level, and performs no write or action. finishRebuilt repeats the invariant at the execution boundary, so a future dialogue caller cannot bypass it. Reminder time answers stay out of the spoken payload but ride along in the decision copy used for validation.