[FEATURE] non-interactive plugin installation

Preflight Checklist

• [x] I have searched existing requests and this feature hasn't been requested yet
• [x] This is a single feature request (not multiple features)

Problem Statement

I want to automate plugin installation for the engineers in my org via a bash script to allow us to sync on plugins via a repo.

Proposed Solution

I would like to be able to install plugins directly via the command line like claude --not-interactive /plugin install <plugin>

Alternative Solutions

_No response_

Priority

Medium - Would be very helpful

Feature Category

CLI commands and flags

Use Case Example

_No response_

Additional Context

_No response_