[FEATURE] Support Multiple GitHub Accounts

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 have my personal and work github accounts. I’d like to be able to switch easily between them in Claude code

Proposed Solution

Allow access to GitHub projects across multiple GitHub accounts I have

Alternative Solutions

_No response_

Priority

Medium - Would be very helpful

Feature Category

Configuration and settings

Use Case Example

_No response_

Additional Context

_No response_