diff --git a/docs/research/distill-scan-pangtong.py b/docs/research/distill-scan-pangtong.py
index f1cca21..be3f104 100644
--- a/docs/research/distill-scan-pangtong.py
+++ b/docs/research/distill-scan-pangtong.py
@@ -184,8 +184,17 @@ def parse_v3_jsonl(filepath: str) -> list:
                     continue
                 content = msg.get('content', '')
                 text = extract_text_from_content(content)
-                tool_names, has_error = extract_tool_info(content)
+                tool_names, has_error = extract_tool_info(role, content)
                 ts = obj.get('timestamp', '')
+                # Skip toolResult messages from the main conversation flow
+                # (they're metadata, not turns)
+                if role == 'toolResult':
+                    # Still track errors for trial_error pattern
+                    if has_error:
+                        # Attach error to previous assistant message
+                        if messages and messages[-1].role == 'assistant':
+                            messages[-1].has_error = True
+                    continue
                 messages.append(ParsedMsg(role, text, ts, tool_names, has_error, idx))
                 idx += 1
     except Exception as e: