- Add qRegisterMetaType(QTextCursor) to prevent Qt threading warning - Import QTextCursor and qRegisterMetaType from PyQt5 - Resolves "Cannot queue arguments of type 'QTextCursor'" warning - Ensures thread-safe GUI updates for terminal display 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>