feat: toggle wrapping in shell output windows

tests/unit/tui.rs

@@ -15430,7 +15430,13 @@ fn shell_output_panel_clips_sanitized_content_in_offset_and_tiny_areas() {
         .unwrap();
         terminal
             .draw(|frame| {
-                draw_diagnostic_panel(frame, diagnostic, area, "shell title", false);
+                draw_diagnostic_panel(
+                    frame,
+                    diagnostic,
+                    area,
+                    "shell title",
+                    editor.command_output(),
+                );
             })
             .unwrap();
         assert!(!terminal.backend().cursor_visible());
@@ -15444,3 +15450,36 @@ fn shell_output_panel_clips_sanitized_content_in_offset_and_tiny_areas() {
         }
     }
 }
+
+#[test]
+fn shell_output_wrap_toggle_reflows_and_scrolls_without_changing_source() {
+    let mut session = EditorSession::open(None, vec![], None).unwrap();
+    let source_wrap = session.editor().word_wrap();
+    let source = session.editor().lines().to_vec();
+    session.editor_mut().show_command_output(
+        "long output".into(),
+        Err(format!("{}TAIL", "abcdefghij".repeat(30))),
+    );
+    let mut terminal = Terminal::new(ratatui::backend::TestBackend::new(42, 14)).unwrap();
+    let mut views = BufferViewports::default();
+    terminal
+        .draw(|frame| views.draw_session(frame, &mut session))
+        .unwrap();
+    assert!(!screen_text(&terminal).contains("TAIL"));
+    session.handle(Input::Char('w'));
+    terminal
+        .draw(|frame| views.draw_session(frame, &mut session))
+        .unwrap();
+    assert!(screen_text(&terminal).contains("TAIL"));
+    session.handle(Input::Down);
+    assert_eq!(session.editor().command_output().unwrap().content.top, 1);
+    session.handle(Input::Right);
+    assert_eq!(session.editor().command_output().unwrap().content.left, 0);
+    session.handle(Input::Char('w'));
+    terminal
+        .draw(|frame| views.draw_session(frame, &mut session))
+        .unwrap();
+    assert!(!screen_text(&terminal).contains("TAIL"));
+    assert_eq!(session.editor().word_wrap(), source_wrap);
+    assert_eq!(session.editor().lines(), source);
+}