In our last video, we implemented a basic tool calling agent and streamed the results live into our React application. Now, in most cases, a tool call only takes a reasonable amount of time. Often, you fetch something from the API, write or fetch to the file system or integrated into another service.But what if your tool call actually runs for a decent amount of time. For example, you trigger a sub agent that does a whole lot of work for you until it responds. A really responsive UI should give a user const ...