# M8 Scheduling Evidence

- Coverage: five-field cron validation, IANA timezones, UTC nominal runs,
  durable schedule CRUD, live next-run updates, misfire handling, and
  no-overlap delivery through the execution enqueue guard.
- Full verification: `make check` passed with 81 unit/contract, 40
  integration, 10 fault, and 17 security tests, plus Ruff, mypy, frontend
  typecheck, and frontend production build.
- Scope: retention and garbage collection are M9 work.