- exportData: downloads progress+settings as zauberwald-backup.json - importData: validates JSON structure, confirms overwrite, saves and reloads - resetAllData: double confirmation, clears all 5 IndexedDB stores, reloads - Buttons wired in loadParentData after code entry Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Add parent screen HTML with code gate, stats overview, and settings form - Add parent area CSS styles for stats grid, calendar dots, error badges, settings - Create src/ui/parent.ts with showParentCodePrompt, initParentScreen, loadParentData