dominicrume/cantor8_kya_rails: step-0-refusal/test/daml/AttemptTest.daml

Daml contract source - dominicrume/cantor8_kya_rails/step-0-refusal/test/daml/AttemptTest.daml ```daml -- Two-phase attempts. Every test here exists because of one objection: -- Arpit Karnatak, Vacuumlabs, forum 9084, 18 October 2026. If the check -- passes and something later in the transaction rev