Feedback form on landing, in the app and Telegram bot
Paddle Billing integration, changelog page, updated Terms and Privacy
Fuel refill and odometer tracking via Telegram bot — cost per kilometer analysis
AI meter reading recognition via Telegram bot
Raiffeisen Bank integration (PDF/CSV statements)
Migration to Tailwind CSS + shadcn-vue, updated design
SQL query optimization, performance improvements
Payment model refactoring with currency tracking
Custom period filtering, categorization rules
Family group system with roles and invitations