- Mouse event passthrough to child applications
- TUI applications that enable mouse capture now receive mouse events
- Automatically detects when child apps request mouse tracking (DECSET 1000/1002/1003)
- Supports SGR extended mouse mode (1006) for large terminals
- Supports URXVT mouse mode (1015)
- Hold Shift to bypass passthrough and use wtmux's text selection
- Works with applications like htop, mc, vim with mouse support, and custom TUI apps