- Restructure hierarchy: Month → Event → Expense (new months table, FK)
- Add MonthHandler with CRUD, monthly reports, dropdown create form
- Events now scoped under months with extended ownership chain
- AI extraction: 16 specific expense categories (Airfare, Meals, etc.)
- UI: category dropdown, button-consistent cards, centered mobile shell on desktop
- Dashboard/month views show claim totals per card
- Description field now mandatory, forms simplified
- Months sorted by name chronologically (latest first)
- Currency ISO3 dropdowns replaced with <input type="text" maxlength="3">
- Users can type any currency code (KES, USD, EUR, etc.)
- No need to maintain a long list of currencies
- Exchange rate is user-defined so validation is unnecessary
- All currency inputs have text-transform: uppercase for consistency
- 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
- Added ✏️ edit button on every expense in the list
- Clicking loads the receipt form pre-filled with the expense data
- Changes are saved via PUT /expenses/{id}
- Receipt form auto-switches between create (POST) and edit (PUT) mode
- Full HTMX multi-target response: form resets + list refreshes
- Added KES and 12+ additional currencies to receipt form
- Events now have base_currency (claim currency) and exchange_rate fields
- Receipts show original amount + auto-computed converted amount
- Converted amounts stored per expense in database
- CSV and PDF reports include both original and converted amounts
- Dashboard shows claim currency per event card
- 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
