feat: wrap diff review comments by default

tests/unit/tui.rs

@@ -8030,6 +8030,58 @@ fn review_editor_floats_over_the_diff_without_changing_workspace_layout() {
     }
 }
 
+#[test]
+fn review_prose_wraps_by_default_without_changing_text_or_source_wrapping() {
+    for unified in [false, true] {
+        let mut editor = readonly_diff_editor(syntax_diff_file("file.txt", "old", "new"));
+        if unified {
+            editor.execute("diff.view.toggle");
+        }
+        editor.handle(Input::Char('\t'));
+        let text = format!("{}wrapped_tail", "prose ".repeat(20));
+        let mut terminal = Terminal::new(ratatui::backend::TestBackend::new(80, 30)).unwrap();
+        let mut views = BufferViewports::default();
+        for command in ["diff.comment", "diff.review.summary"] {
+            editor.execute(command);
+            editor.handle(Input::Char('i'));
+            editor.handle(Input::Paste(text.clone()));
+            editor.handle(Input::Escape);
+            editor.handle(Input::Home);
+            terminal
+                .draw(|frame| views.draw(frame, &mut editor))
+                .unwrap();
+            let screen = screen_text(&terminal);
+            let first = screen
+                .lines()
+                .position(|line| line.contains("prose"))
+                .unwrap();
+            let tail = screen
+                .lines()
+                .position(|line| line.contains("wrapped_tail"))
+                .expect("comment tail must be visible without horizontal scrolling");
+            assert!(tail > first, "{command}: {screen}");
+            assert_eq!(editor.context().text, text);
+            editor.handle(Input::Escape);
+            assert!(!editor.word_wrap());
+        }
+        editor.execute("diff.review.overview");
+        assert!(editor.word_wrap());
+        editor.handle(Input::Escape);
+        editor.execute("diff.review.edit 1");
+        editor.execute("word_wrap.toggle");
+        assert!(!editor.word_wrap());
+        editor.handle(Input::Escape);
+        editor.execute("diff.review.edit 1");
+        assert!(
+            !editor.word_wrap(),
+            "reopening must retain the user's toggle"
+        );
+        assert_eq!(editor.context().text, text);
+        editor.handle(Input::Escape);
+        assert!(!editor.word_wrap());
+    }
+}
+
 #[test]
 fn scope_projection_keeps_unified_wrapped_caret_and_selection_source_only() {
     let before = format!(