- Email now includes both report (CSV/PDF) + ZIP of all receipt images
- ZIP images named {event-name}-{index}.{ext} matching list order
- Uses Go's archive/zip (stdlib, no external deps)
- Sender.SendReport now accepts []*Attachment for multiple files
- Gracefully skips missing image files with warnings
- New favicon: Rx symbol in emerald green square (prescription/receipt)
- Dark theme: #0F172A base, #1E293B cards, #F8FAFC text
- Emerald #10B981 primary accent throughout
- Dashboard simplified to list view with event name + Open button
- Event page: receipt list with edit, Add Receipt button, Submit Event form
- Submit form shows total claim amount + email + format selection
- PWA manifest + service worker updated for ReceiptNext branding
- Variables-based theming for easy palette switching
- Passwordless email OTP authentication
- Event-based expense tracking with HTMX UI
- AI receipt extraction via DeepSeek Vision API
- CSV/PDF report generation with email filing
- PWA with service worker and manifest
- Mobile-first responsive design
- SQLite database with auto-migration
