Major Momentumly Redesign
- Fresh premium dark design with deep navy theme
- New 16-step onboarding flow with visual slides
- Light and dark theme support throughout the app
- Improved goals with date scheduling and reminders
- Enhanced notes with full-screen detail view
- Mood tracking improvements and new mood options
- Journal and calendar improvements
- New profile screen with account section
- Pro upgrade flow and feature gating
- Update popup with What's New highlights