[FEATURE]: add opencode-cmux plugin to docs/ecosystem #15239
Description
Feature hasn't been suggested before.
- I have verified this feature I'm about to request hasn't been suggested before.
Describe the enhancement you want to request
Summary
opencode-cmux is an OpenCode plugin that bridges session events to cmux, a terminal multiplexer with a sidebar.
What it does
- Shows live session status pills in the cmux sidebar (idle / busy / error)
- Sends desktop notifications for permission requests, questions, and errors
- Detects subagent activity via
parentID - Zero config — works automatically when running inside a cmux session
Links - npm: https://www.npmjs.com/package/opencode-cmux
- GitHub: https://github.com/0xCaso/opencode-cmux
Request
Add opencode-cmux to the ecosystem page plugins table.
A PR is already open: #15232