Update bs/balance_sheet_data_extractor.py

bs/balance_sheet_data_extractor.py

@@ -78,4 +78,8 @@ def main() -> None:
     logger.info(f"Extracted rows: Note 10–15 = {info_10_15.rows} rows")
 
 if __name__ == "__main__":
-    main()
+    try:
+        main()
+    except Exception as e:
+        logger.error(f"Balance sheet data extraction failed: {e}")
+        sys.exit(1)