feat(14.2.1-05): hydrate ML create/GET/save through TranslatedExact

Form schema meta lists enabled locales, Show/save expand mltext maps
without D-11 fallback, and the SPA seeds and adopt-merges every locale.

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

admin/src/components/form/formContext.ts

@@ -16,6 +16,9 @@ export const FORM_PATCH: InjectionKey<(name: string, value: unknown) => void> =
 /** The form schema's locale (meta.locale). */
 export const FORM_LOCALE: InjectionKey<Readonly<Ref<string>>> = Symbol('summer.form.locale')
 
+/** Enabled content locales for ML controls (schema meta.enabledLocales). */
+export const FORM_ENABLED_LOCALES: InjectionKey<Readonly<Ref<readonly string[]>>> = Symbol('summer.form.enabledLocales')
+
 /**
  * The form controller's plugin assets: resolves once its scripts have loaded
  * or failed, with the failed URLs (pluginAssets.loadControllerAssets).