[BUG] install-github-app installation via CLI is broken - does not recognise "Enter" to submit repository name

Environment

• Platform (select one): Claude Code within VSCode Git Bash using Claude Pro subscription
• Claude CLI version: <!-- output of claude --version -->
• Operating System: Windows 11
• Terminal: Git Bash within VSCode

Bug Description

install-github-app installation via CLI is broken - does not recognise "Enter" to submit repository name

Steps to Reproduce

1. Run /claude
2. Run /install-github-app
3. Enter a repo name (e.g. company/project) or GitHub URL (https://github.com/company/project) and press enter. Try shift+enter, ctrl+enter, etc.

Expected Behavior

Installation of "install github app" proceeds.

Actual Behavior

Nothing happens, you remain on the repo name or URL input.