- cleanup.test.ts: add async/await for removeDownloadLinkArtifacts and removeSampleArtifacts - download-manager.test.ts: await manager.start() to prevent race conditions - download-manager.test.ts: update "Entpackt" -> "Entpackt - Done" expectations - download-manager.test.ts: await async getStartConflicts() - download-manager.test.ts: add 35s timeout for extraction tests Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>