- Remove pointless _get_status_description() that just returned self.status
- Remove useless format_transaction_log() only used in tests
- Consolidate duplicated amount formatting logic into _format_amount() helper
- Fix XMR precision from 6 to 12 decimals for accuracy
- Strip trailing zeros from formatted amounts for cleaner output
- Simplify format_confirmation_status() by removing redundant text
- Eliminate unnecessary method delegation in __str__()
- Apply black formatting
