- Refactor `get_wallet()` to return `ton_balance` and `usdt_balance` in `WalletInfo`.
- Update transaction processing to validate balances for both TON and USDT payment methods.
- Introduce `parse_required_payment_amount` utility to extract payment amounts from responses.
- Modify tests to cover new balance checks and payment method handling.
- Upgrade GitHub Actions artifact upload action to v7.
- Enhance documentation and examples to reflect changes in wallet balance handling.
- Implemented `search_gifts` method for searching gifts in the Fragment marketplace.
- Implemented `search_numbers` method for searching anonymous Telegram numbers.
- Added new example scripts for searching gifts, numbers, and usernames.
- Updated HTML parsing logic to handle gift items and number listings.
- Added unit tests for the new search methods and updated existing tests for usernames and numbers.
- Removed obsolete test file for auction searches.