UI labels (status, headings, control text) no longer selectable. Console/hex content remains selectable for copy. ScrollArea now nudges when drag-selecting near the bottom edge (~240px/s).
Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
