## Summary
- Migrate from `anthropics/claude-code-base-action@v1` to
`anthropics/claude-code-action@v1`
- Switch from top-level `model`/`allowed_tools` params to `claude_args`
format

## Test plan
- Verify the workflow triggers correctly on comments to closed issues
- Confirm the Claude Code action runs with the correct model and allowed
tools

#skip-bugbot

🤖 Generated with [Claude Code](https://claude.com/claude-code)
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<!-- This is an auto-generated description by cubic. -->
---
## Summary by cubic
Update the closed-issue-comment GitHub Actions workflow to use
anthropics/claude-code-action and pass config via claude_args. No
behavior change; the workflow still handles comments on closed issues.

- **Refactors**
- Replace anthropics/claude-code-base-action@v1 with
anthropics/claude-code-action@v1.
- Move model/allowed_tools into claude_args: --model sonnet and
allowedTools "Bash(gh issue reopen:*), Bash(gh issue comment:*)".

<sup>Written for commit 67e76b9b098c65902c4d9fe4b5aadb9b06fb8c1f.
Summary will update on new commits.</sup>

<!-- End of auto-generated description by cubic. -->
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>