The development server with the GraphQL plugin exposes the /graphql endpoint that you can use to inspect and test GraphQL queries. It’ll usually be located at http://localhost:1337/graphql.
On the other hand, I also had a very slow server restart cycle until I began to experiment with running my server in Windows 10 Powershell instead of using virtualized Ubuntu in WSL2. For some reason running a node app in WSL2 can take 5 - 10 times as long as straight Windows. (Probably because of the virtualization, but perhaps there’s another reason.) It took me about a minute to restart the server whenever a change was made in WSL2 but after shifting over to Win10 a restart was only 5 - 10 seconds.
For the record, my react server was also much faster running in native Win10.
Hope this helps,
RenderMaster