Potential fix for code scanning alert no. 3: Information exposure through an exception

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

Author: MirkoZETA

backend.py

@@ -70,8 +70,7 @@ def run_simulation():
     logger.exception("Unexpected error during simulation:")
     return jsonify({
       "status": "error",
-      "message": "An unexpected error occurred", 
-      "error": str(e)
+      "message": "An unexpected error occurred"
     }), 500
 
 @app.route("/run_simulation_stream", methods=["POST"])
@@ -157,7 +156,6 @@ def generate():
     return jsonify({
       "status": "error",
       "message": "An unexpected error occurred",
-      "error": str(e),
       "timestamp": time.time()
     }), 500