Separate the concern of message processing from UI presentation

[tomgeorge]

Currently, sidebar.lua is responsible for message processing, server calls, UI presentation, etc. I think this component is probably doing too much, and makes the code difficult to reason about IMO. I think it should be factored out into different modules.

[ericdallo]

suggestion, what I did for eca-emacs:

• eca-api (to request,respond,notify the server)
• eca-chat (related to chat feature)
• eca-mcp (related to mcp-details )
• eca-process (related to server process management)

[joaopluigi]

Do you have any structure in your mind?

[tomgeorge]

I have an implementation based on how codecompanion does it, you can see it on https://github.com/tomgeorge/eca-nvim/tree/chore/sidebar, comparison here