Notes from the team building a duty manager for short-term rental operators. Mostly about the hard parts.https://www.dewly.ai/enhttps://www.dewly.ai/blog/no-test-suite-for-a-cancelled-cleaner/https://www.dewly.ai/blog/no-test-suite-for-a-cancelled-cleaner/AI coding agents can be checked at every step. Nothing checks a cancelled cleaner at 10pm. The system we built to be trusted without a test suite, and why it generalises past property.Fri, 14 Aug 2026 00:00:00 GMTEngineeringai-agentsverificationbuilding-dewlyturnovers-and-cleaningafter-hoursteam-and-handoverViet Ha, Huy Dinh