* Done! The script now uses a shallow clone instead of git worktrees, so it never touches your local git state. The cleanup is automatic via the trap, ensuring the temp directory is always removed.
* Done! The `lint_count` function now:
- cd's into the target directory (`$dir/frontend`)
- Lints the current directory (`.`)
- Uses `--prefix` to ensure ESLint uses the PR workspace's dependencies
This is clearer and fixes the empty PR_COUNT issue.
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