UI: status messages elide in the middle, the command line's placeholder fits its width

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01UhhZMBTviDQxZvwnyP89fo

crates/ui-egui/src/lib.rs

@@ -28,6 +28,7 @@ pub mod browser;
 pub mod capture;
 pub mod context;
 pub mod control;
+pub mod elide;
 pub mod fields;
 pub mod files;
 pub mod form;