Update app.py

app.py

@@ -436,8 +436,17 @@ def index():
 
 @app.route("/api/status")
 def status():
+    # THE ONLY CHANGE IS IN THIS FUNCTION
     with app_state['lock']:
-        return jsonify(dict(app_state))
+        # Create a new dictionary with only the JSON-serializable items.
+        # This prevents the "TypeError: Object of type lock is not JSON serializable"
+        serializable_state = {
+            "status": app_state["status"],
+            "logs": app_state["logs"],
+            "last_backup_time": app_state["last_backup_time"],
+            "schedule_interval": app_state["schedule_interval"],
+        }
+    return jsonify(serializable_state)
 
 @app.route("/api/start-backup", methods=["POST"])
 def start_backup():