- Add translateUTF8ToBlocks() method to convert UTF-8 characters to displayable blocks
- Add drawTextEllipsized() method for text truncation with ellipsis
- Apply UTF-8 filtering to node names, recent contacts, and message content
- Use ellipsized text rendering for recent contacts to prevent overflow
- Addresses PR feedback by moving text processing to DisplayDriver level
- Added getTextWidth method to DisplayDriver interface
- Implemented getTextWidth in all display classes
- Updated examples to use getTextWidth directly