Refine: Exclude empty 'COMMENTED' overall reviews from output

Further refines the display of top-level pull request review summaries.
Overall reviews that have a state of "COMMENTED" and an empty (or whitespace-only) body are now filtered out and not displayed.

This helps to reduce noise from review submissions that don't contain
a summary message, while still showing approvals, changes requested, or
commented reviews that do have content.

Author: google-labs-jules[bot]

scripts/gha/get_pr_review_comments_standalone.py

@@ -413,7 +413,12 @@ def parse_repo_url(url_string):
                             continue
                     except ValueError as ve:
                         sys.stderr.write(f"Warning: Could not parse review submitted_at timestamp '{submitted_at_str}' or --since timestamp '{args.since}': {ve}\n")
-                        # Decide: skip review or include it if parsing fails? For now, include.
+                        # If parsing fails, we might choose to include the review to be safe, or skip. Current: include.
+
+            # New filter: Exclude "COMMENTED" reviews with an empty body
+            if review.get("state") == "COMMENTED" and not review.get("body", "").strip():
+                continue
+
             filtered_overall_reviews.append(review)
 
         # Sort by submission time, oldest first