refactor: render response as plaintext with newlines, fallback to JSON pretty-print

Co-authored-by: aider (o3) <aider@aider.chat>

scripts/jsonl_pretty_print.py

@@ -50,10 +50,15 @@ def pretty_print_jsonl(path: Path, indent: int) -> None:
                 obj = json.loads(line)
             except json.JSONDecodeError as exc:
                 sys.exit(f"JSON decode error on line {idx}: {exc}")  # fail fast
-            # Build pretty JSON string, convert literal "\n" sequences to real newlines,
-            # and emit a blank line between records for readability.
+            # Prefer rendering the `response` field as plain-text, expanding literal
+            # "\n" sequences to real newlines.  Fall back to JSON pretty-print if the
+            # key is missing so we still show *something* useful.
+            if "response" in obj:
+                response_text = str(obj["response"]).replace("\\n", "\n")
+                sys.stdout.write(response_text)
+                sys.stdout.write("\n\n")
+            else:
                 pretty = json.dumps(obj, indent=indent, ensure_ascii=False, sort_keys=True)
-            pretty = pretty.replace("\\n", "\n")
                 sys.stdout.write(pretty)
                 sys.stdout.write("\n\n")