- db-orm.puml: replace geschichten_documents with journey_items, add type column to geschichten, bump schema version to V72
- l3-backend-3g-supporting.puml: update GeschichteController and GeschichteService descriptions to mention STORY/JOURNEY subtypes and JourneyItem
- geschichten/[id]/+page.svelte: replace raw UUID fallback with m.geschichten_document_link_placeholder() i18n key
- messages/{de,en,es}.json: add geschichten_document_link_placeholder translation
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>