fix: Layout fix (#2798)

Author: kensave

crates/chat-cli/src/cli/chat/cli/experiment.rs

@@ -108,7 +108,16 @@ async fn select_experiment(os: &mut Os, session: &mut ChatSession) -> Result<Opt
             sel
         },
         // Ctrl‑C -> Err(Interrupted)
-        Err(dialoguer::Error::IO(ref e)) if e.kind() == std::io::ErrorKind::Interrupted => return Ok(None),
+        Err(dialoguer::Error::IO(ref e)) if e.kind() == std::io::ErrorKind::Interrupted => {
+            // Move to beginning of line and clear everything from warning message down
+            queue!(
+                session.stderr,
+                crossterm::cursor::MoveToColumn(0),
+                crossterm::cursor::MoveUp(experiment_labels.len() as u16 + 3),
+                crossterm::terminal::Clear(crossterm::terminal::ClearType::FromCursorDown),
+            )?;
+            return Ok(None);
+        },
         Err(e) => return Err(ChatError::Custom(format!("Failed to choose experiment: {e}").into())),
     };
 
@@ -161,6 +170,13 @@ async fn select_experiment(os: &mut Os, session: &mut ChatSession) -> Result<Opt
             style::SetForegroundColor(Color::Reset),
             style::SetBackgroundColor(Color::Reset),
         )?;
+    } else {
+        // ESC was pressed - clear the warning message
+        queue!(
+            session.stderr,
+            crossterm::cursor::MoveUp(3), // Move up past selection + 2 disclaimer lines
+            crossterm::terminal::Clear(crossterm::terminal::ClearType::FromCursorDown),
+        )?;
     }
 
     execute!(session.stderr, style::ResetColor)?;