feat(collections): add file selection previews and native form uploads
История коммитов
feat(collections): validate field uploads and reclaim unused files
feat(collections): track registered file values and defaults
feat(collections): clear optional relations with deletion confirmation
feat(collections): add authorized relation search and selection
feat(collections): enforce relation targets and deletion integrity
feat(collections): validate and edit stable select options
feat(collections): manage repeated values with progressive controls
feat(collections): configure field defaults and input limits
feat(news): switch storage and administration to collections