feat(14.2.1-03): add markdown and multilingual cabana fields

Lift locale maps before ProjectWritableFields so a Journal-shaped save can persist the default host scalar and non-default locales through TranslationWriter without dropping nested JSON.

Co-authored-by: Cursor <cursoragent@cursor.com>

admin/src/components/form/formState.ts

@@ -2,8 +2,11 @@
 // filtering, the save payload, 422 detail mapping and focus.
 import type { AdminRecord, ErrorBody, FormField } from '../../api/types'
 import { permissionValues } from './control'
+import { localeRecord } from './mlLocale'
 import { isRegistered } from './registry'
 
+export { ML_LOCALE_CHANGE, broadcastMLLocale, localeRecord } from './mlLocale'
+
 /** The screen a field is filtered for: the two form modes and the read-only preview (D-11). */
 export type FormMode = 'create' | 'update' | 'preview'
 
@@ -62,6 +65,10 @@ export function editablePayload(fields: FormField[], values: AdminRecord, mode:
       out[field.name] = permissionValues(field, value)
       continue
     }
+    if (field.type === 'mltext' || field.type === 'mlmarkdown') {
+      out[field.name] = localeRecord(value)
+      continue
+    }
     if (value !== undefined) {
       out[field.name] = value
     }
@@ -95,6 +102,8 @@ export function initialValues(fields: FormField[]): AdminRecord {
       out[field.name] = false
     } else if (field.type === 'relation' && field.multiple) {
       out[field.name] = []
+    } else if (field.type === 'mltext' || field.type === 'mlmarkdown') {
+      out[field.name] = {}
     }
   }
   return out