chore: custom content types design groundwork

docs/design/README.md

@@ -20,6 +20,12 @@ Back-office board groups: Sites, Sites: form, Sites: delete, Authors, Authors: f
 - Only individual states that render a relative time or a countdown carry the "Clock-sensitive" tag (13 states, listed in states.md). No Home or Articles frame is tagged as a whole.
 - Role-restricted variants drawn: read-only Authors list and detail, hidden Sites entry, Sites 403, own-author edit.
 
+## Pass 4: custom content types
+Board `RenewCMS Screens Schema.dc.html` (frames: `SchemaFrame`, mounted in `AppFrame`): 9 groups, 65 states (56 available now, 9 later). 1 Schema list 6, 2 Schema builder 16, 3 Review and delete 7, 4 Field types 6, 5 Content and entry list 9, 6 Entry editor 13, 7 Relations 3, 8 Permissions 2, 9 Export and import 3. Plus tables: scope, routes, new components with their Nuxt UI mapping, errors to copy, needs backend (4 rows), decisions to confirm, accessibility. Specs: screens/schema.md, content.md, entry.md, schema-later.md.
+- AppFrame gains a Schema item (owner and admin) and a Content group (sidebar and mobile drawer). Nothing else in AppFrame changed.
+- Backend gaps still open: built-in types and fields, display names for created_by and updated_by, a type icon, per-change entry counts.
+- Not done: Back-office and Prototype boards were not compared visually after the sidebar change (see Checks below).
+
 ## Specs
 routes.md · components.md · states.md · foundations.md · change-list.md · activity-spec.js · screens/*.md (24 files)