fix(tui): restore cancelled prompt cursor at end

codex-rs/tui/src/bottom_pane/chat_composer.rs

@@ -1258,6 +1258,11 @@ impl ChatComposer {
         self.draft.textarea.cursor() + if self.draft.is_bash_mode { 1 } else { 0 }
     }
 
+    #[cfg(test)]
+    pub(crate) fn cursor(&self) -> usize {
+        self.current_cursor()
+    }
+
     fn history_navigation_cursor(&self) -> usize {
         if self.draft.is_bash_mode && self.draft.textarea.cursor() == 0 {
             0

codex-rs/tui/src/bottom_pane/mod.rs

@@ -786,6 +786,7 @@ impl BottomPane {
             local_image_paths,
             mention_bindings,
         );
+        self.composer.move_cursor_to_end();
         self.request_redraw();
     }
 
@@ -824,6 +825,11 @@ impl BottomPane {
         self.composer.current_text()
     }
 
+    #[cfg(test)]
+    pub(crate) fn composer_cursor(&self) -> usize {
+        self.composer.cursor()
+    }
+
     pub(crate) fn composer_draft_snapshot(&self) -> chat_composer::ComposerDraftSnapshot {
         self.composer.draft_snapshot()
     }

codex-rs/tui/src/chatwidget/tests/composer_submission.rs

@@ -730,6 +730,7 @@ async fn queued_restore_with_remote_images_keeps_local_placeholder_mapping() {
     });
 
     assert_eq!(chat.bottom_pane.composer_text(), text);
+    assert_eq!(chat.bottom_pane.composer_cursor(), text.len());
     assert_eq!(chat.bottom_pane.composer_text_elements(), text_elements);
     assert_eq!(chat.bottom_pane.composer_local_images(), local_images);
     assert_eq!(chat.remote_image_urls(), remote_image_urls);