TUI annonator

[alxark]

Clear and concise description of the problem

Hello. It's cool to see plan in browser, but sometimes i need to work in environment without browser (remote server).

Is there any options to render some kind of annotator window inside running OpenCode window?
I understand it will be different interface behavior, but working with plan in vanilla opencode is just bad =)

Suggested solution

For some environments (console only) create TUI window (opencode) with plan annotator.

Alternative

No response

Additional context

No response

Validations

• Check that there isn't already an issue that request the same feature to avoid creating a duplicate.