diff --git a/tests/test_jules_test_feature_test_jules_benchmarks_80000499_25692510_45600462.py b/tests/test_jules_test_feature_test_jules_benchmarks_80000499_25692510_45600462.py
new file mode 100644
index 0000000..77333cf
--- /dev/null
+++ b/tests/test_jules_test_feature_test_jules_benchmarks_80000499_25692510_45600462.py
@@ -0,0 +1,54 @@
+from pathlib import Path
+import json
+import pytest
+
+from agy_brain_memory.benchmarks import _write_transcript
+
+
+def validate_transcript_schema(transcript_path: Path) -> bool:
+    """
+    Validates the schema of a transcript JSON file.
+    
+    Args:
+        transcript_path (Path): Path to the transcript JSON file.
+    
+    Returns:
+        bool: True if the schema is valid, False otherwise.
+    """
+    if not transcript_path.exists():
+        return False
+    
+    with transcript_path.open("r", encoding="utf-8") as f:
+        for line in f:
+            try:
+                step = json.loads(line)
+                if not isinstance(step, dict) or "step_index" not in step or "type" not in step:
+                    return False
+            except json.JSONDecodeError:
+                return False
+    
+    return True
+
+
+def test_validate_transcript_schema(tmp_path: Path):
+    from agy_brain_memory.benchmarks import _write_transcript
+    
+    # Valid transcript
+    steps = [{"step_index": 1, "type": "USER_INPUT"}, {"step_index": 2, "type": "SYSTEM_RESPONSE"}]
+    conv_dir = tmp_path / "conv_dir"
+    tpath = _write_transcript(conv_dir, steps)
+    
+    assert validate_transcript_schema(tpath) is True
+    
+    # Invalid transcript - missing step_index
+    invalid_steps = [{"type": "USER_INPUT"}]
+    conv_dir = tmp_path / "conv_dir_invalid"
+    tpath_invalid = _write_transcript(conv_dir, invalid_steps)
+    
+    assert validate_transcript_schema(tpath_invalid) is False
+    
+    # Invalid transcript - corrupted JSON
+    corrupted_tpath = tmp_path / "corrupted_transcript.jsonl"
+    corrupted_tpath.write_text("{corrupted: json}\n", encoding="utf-8")
+    
+    assert validate_transcript_schema(corrupted_tpath) is False