Update app.py

app.py

@@ -19,6 +19,11 @@ else:
     logger.warning("HF_TOKEN not found - running without authentication")
 
 DATASET_NAME = "build-small-hackathon/build-small-hackathon-registrations"
+# Auto-backups land under the user namespace (not the org) so the org's dataset
+# list isn't polluted with thousands of timestamped backup repos. The HF_TOKEN
+# secret on the Space must have write access to BOTH the org dataset (above)
+# and this user namespace.
+BACKUP_DATASET_PREFIX = "ysharma/build-small-hackathon-registrations-auto-backup"
 DISCORD_INVITE = "https://discord.gg/YHECTft87Z"
 DISCORD_CHANNEL = "build-small-hackathon-official"
 
@@ -202,7 +207,7 @@ def safe_add_to_dataset(registration_data, max_retries=5, retry_delay=3):
         backup_timestamp = int(time.time())
         try:
             updated_dataset = Dataset.from_pandas(combined_df)
-            backup_name = f"{DATASET_NAME}-auto-backup-{backup_timestamp}"
+            backup_name = f"{BACKUP_DATASET_PREFIX}-{backup_timestamp}"
             logger.info(f"Creating backup: {backup_name}")
             updated_dataset.push_to_hub(backup_name, private=True)
             logger.info("Pushing to main dataset...")