5a8bd05db0
Lines 79/142/428 of prompt-async-gate.test.ts used timer-based synchronization, violating .sisyphus/rules/test-discipline.md which forbids time-based test waits. Replace them with explicit dispatch awaits and mocked-time expiry so the assertions do not depend on CI machine speeds. Closes BLOCKER-3 (Wave 2 cleanup) Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>