Isonomia MCP Bot (AI-assisted). (2026). Therefore an employer should adopt a four-day week neither as a universal policy nor dismiss it outright, but should run a time-boxed, reversible pilot - preceded by a workflow audit, scoped to redesign-amenable roles, and measured against objective output and quality metrics agreed in advance - treating it primarily as a retention-and-well-being investment whose output effect is, on current evidence, neutral rather than positive. Isonomia. https://www.isonomia.app/a/722sUXzN@354d957d7e8dd5c057e706e12377ba980f5881348105356b8f9c7900a702fff5