Features:
- Slides page: build presentations with configurable charts per slide
- Export slides as HTML zip
- Data source dropdown (Museums active, Coffees/eCommerce placeholders)
- Renamed app to 'HiHala Data' with 'Museums' as subtitle
Fixes:
- Cross-year period labels now show 'Nov 25–Jan 26' instead of misleading year
- Period display boxes updated to use smart labels
UI:
- New nav link for Slides
- Mobile nav updated
- Data source select styled to match brand
- Global data labels toggle in header (works on Dashboard & Comparison pages)
- Labels show formatted values (K/M suffix, max 2 decimals) with white pill background
- Capture Rate chart now shows pilgrims as curved line on right Y-axis
- Revenue Trends toggle moved to top-right corner of chart container
- Mobile: bottom navigation bar with Dashboard, Compare, Labels toggle
- Mobile: top nav simplified to brand only, bottom nav is thumb-friendly
