Ability to send LSP messages to Nova

Feature Requests
1

When using a LanguageClient, we have the ability to send requests from an extension to the LSP server with sendRequest and sendNotification.

I want to be able to also send fake “responses” from the extension to Nova as an LSP client. I’ve run into a few use cases where I’d like this:

  • Be able to request a list of specific or non-standard code actions in my extension, then send the response to Nova for processing (hey Nova, run this code action for me).
  • Be able to send an edit response to Nova for handling, instead of manually using TextEditor.edit (hey Nova, apply this edit for me).

This is a little tricky from the LSP’s perspective, since the fundamental lifecycle is for the Client to send a request, and then process the response. The protocol doesn’t provide a well defined way to do what I’m asking.

There are definitely other ways I’ve found to handle my use cases, but I thought I’d bring it up.

2

For code actions, it’s more likely we will expose an AssistantRegistry endpoint for code actions outside of the LanguageClient implementation so that extensions could provide their own code actions.

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