Update app.py

app.py

@@ -342,14 +342,23 @@ def commit_logs_to_hf(manual=False):
         return "No new logs."
 
     date_str = datetime.utcnow().strftime("%Y-%m-%d")
-    repo_path = f"logs/{date_str}.jsonl"
+    
+    # Add timestamp to make filename unique
+    if manual:
+        timestamp = datetime.utcnow().strftime("%Y%m%d-%H%M%S")
+        repo_path = f"logs/manual_{date_str}_{timestamp}.jsonl"
+        commit_msg = f"Manual log commit {timestamp}"
+    else:
+        timestamp = datetime.utcnow().strftime("%Y%m%d-%H%M%S")
+        repo_path = f"logs/auto_{date_str}_{timestamp}.jsonl"
+        commit_msg = f"Auto log commit {timestamp}"
 
     api.upload_file(
         path_or_fileobj=BUFFER_FILE,
         path_in_repo=repo_path,
         repo_id=HF_DATASET,
         repo_type="dataset",
-        commit_message="Manual log commit" if manual else "Auto daily log commit"
+        commit_message=commit_msg
     )
 
     # Clear buffer after successful commit