fix: remove array from door state response

server.py

@@ -191,7 +191,7 @@ async def handle_root(request):
 async def handle_state(request):
     """Handler for the /state GET request."""
     state = get_derived_state()
-    return web.json_response({'door': [state]})
+    return web.json_response({'door': state})
 
 async def on_startup(app):
     """Actions to perform on application startup."""