7e2ca4c9e2
Mass rename of CSS classes, tokens and animations from the hoard- namespace to ui- (classes, variables like --ui-*, and keyframes). Introduces new UI components: EmptyState, StatusPill, and UserAvatar and updates admin views to import and use them. Updates many route/layout components and global.css to use the new ui- patterns and responsive variables. Also updates Impressum contact emails and adds .claude/settings.local.json to allow running npm scripts in the Claude local settings.