Improve first-visit experience across all 23 apps: fix incorrect data
warning (IndexedDB persists, not tab-only), swap CTA order (register as
primary), add marketing-focused copy inspired by Mana ecosystem values,
compact layout, Phosphor icons for features, "Mehr über Mana" link,
Mana branding label, and improved accessibility (aria-describedby).
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Add focus trap (Tab/Shift+Tab cycling) to AuthGateModal and
GuestWelcomeModal with auto-focus on primary action
- Add aria-disabled to all disabled buttons across 8 components
for proper screen reader announcements
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Add a unified welcome modal for guest mode that displays:
- App icon, name, and description from shared-branding
- Feature list of what guests can do (localized DE/EN)
- Warning about local-only data storage
- Login, Register, Help, and "Continue as Guest" buttons
New files:
- GuestWelcomeModal.svelte - The modal component
- guestWelcome.ts - localStorage utilities for tracking seen state
Integrated into: contacts, chat, todo, calendar, and clock apps
