What's New and the KEY-CLIPBOARD row overstated the Windows / Linux
fix: Ctrl+V reaches the app only while the system clipboard holds text
(egui-winit drops it otherwise), and it never worked before, so not
"again". The text field's module doc says what it depends on, that its
widget id must be unique on screen, and that new text boxes use it; MCP
`click` lists `button`.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>