Potential fixes for 3 code quality findings

[Jordonbc]

This PR applies 3/4 suggestions from code quality AI findings. 1 suggestion was skipped to avoid creating conflicts.

[github-actions]

Code Review

Changes Summary

The PR makes 3 improvements to branches.ts:

1. Lines 184-186: Adds error details to checkout failure notification - helpful for debugging
2. Line 222: Removes unnecessary || '' from String(e) - cleaner code
3. Line 273: Same cleanup for branch delete error handling

Quality: Good

All changes are valid improvements:

• Error messages now include actual error details instead of generic text
• Unnecessary || '' fallback removed (redundant since String(undefined/null) works fine)

Potential Improvement

Line 295 has similar error handling that could benefit from the same pattern:

// Current (line 295-297):
catch (e) {
    console.error('Force delete failed:', e);
    notify('Force delete failed');
}

// Could be:
catch (e) {
    const msg = e instanceof Error ? e.message : String(e);
    console.error('Force delete failed:', msg);
    notify(`Force delete failed${msg ? `: ${msg}` : ''}`);
}

This is a minor enhancement - not blocking approval.

Verdict

Approve - the changes improve error reporting and code cleanliness without introducing bugs.

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