2026-08-08 — Product Essentials CentrMark checklists

Shipped interactive CentrMark checklist documents for Software Product Essentials and desktop/web/mobile auxiliaries. Checkoff state lives in sidecars (<file>.cmk.checks/state.json5), not by rewriting markers in the .cmk.

  • Templates: docs/modules/ROOT/examples/product-essentials/*.cmk

  • Schema: Checklist sidecar

  • Scripts: attach-product-essentials., checkoff-product-essentials., status-product-essentials.ps1

  • How-to: Attach Product Essentials Checklists

  • DevCentr: modules.product_essentials.sidecar (+ attach/UI)