review: append todo list to review body, always delete progress comment

- in Review mode, stop the todo tracker and append the completed task
  list as a collapsible section to the review body before submitting
- always delete the progress comment after a review is submitted,
  regardless of whether the agent called report_progress

Made-with: Cursor

main.ts

@@ -407,6 +407,17 @@ export async function main(): Promise<MainResult> {
       });
     }
 
+    // review submitted → always delete the progress comment.
+    // the review is the durable artifact; the progress comment is noise.
+    // defense-in-depth: covers the case where the agent calls report_progress
+    // despite mode instructions, which sets finalSummaryWritten and prevents
+    // the stranded-comment heuristic below from firing.
+    if (toolContext && toolState.review && toolState.progressCommentId) {
+      await deleteProgressComment(toolContext).catch((error) => {
+        log.debug(`review progress comment cleanup failed: ${error}`);
+      });
+    }
+
     // clean up stranded progress comments. two cases:
     // 1. wasUpdated=false: nothing wrote to the comment ("Leaping into action" orphan)
     // 2. tracker published a checklist but the agent never wrote a final summary