Temporary branch is not being cleaned up in case of failure

[ahmdmhasn]

Describe the bug
When attempting to configure ClaudeCode using quick setup /install-github-app, but a failure has occurred, it doesn't cleanup the used branch to add the workflow on GitHub.

To Reproduce

1. Mark the main branch as protected, prevent direct pushing.
2. Run /install-github-app.
3. Failure should happen since the branch is protected.
4. Branch used to add the workflow should be removed.

Expected behavior
Cleanup the branch in case of failure to integrate ClaudeCode action.

Screenshots

API Provider

[x] Anthropic First-Party API (default)