Update app.py

app.py

@@ -74,6 +74,8 @@ def export_word():
         return send_file(filename, as_attachment=True)
     except Exception as e:
         return jsonify({"error": str(e)}), 500
-
+@app.route("/")
+def index():
+    return "✅ UniSolve backend is running. Visit via the proper frontend."
 if __name__ == "__main__":
     app.run(host="0.0.0.0", port=7860)