feat(ADM-018): completed feature

work/artifacts/F-026/documenter.md

@@ -0,0 +1,25 @@
+# Documenter — F-026 CMS module
+
+## Summary
+CMS module exposes admin-managed pages with slug routing and draft/publish states. Public endpoints only return published pages.
+
+## Public API notes
+
+| Route | Access | Result |
+|---|---|---|
+| POST /cms/pages | admin | Creates draft page |
+| PATCH /cms/pages/:id | admin | Updates fields |
+| POST /cms/pages/:id/publish | admin | Sets status to published |
+| POST /cms/pages/:id/unpublish | admin | Sets status to draft |
+| GET /cms/pages/:slug | public | Returns page only when published |
+
+## Errors
+- `CMS_DUPLICATE_SLUG` — HTTP 409
+- `CMS_NOT_FOUND` — HTTP 404 (covers missing or draft pages)
+
+## Evidence
+- `work/artifacts/F-026/architect.md`
+- `work/artifacts/F-026/implementer.md`
+- `work/artifacts/F-026/reviewer.json`
+- `work/artifacts/F-026/security.json`
+- `work/artifacts/F-026/qa.json`