refine(skills): meta-context-evaluation-advanced-eng - fix naming (5 segments)

## Summary

`meta-context-evaluation-advanced-eng` has 5 segments which exceeds the expected 3-4 segment pattern.

## Current Name Analysis

- **Name**: meta-context-evaluation-advanced-eng
- **Segments**: 5 (meta, context, evaluation, advanced, eng)
- **Focus**: eng ✓ (valid)
- **Issue**: Too many segments

## Refinement Checklist

- [ ] Determine if skill should be renamed or validation regex updated
- [ ] Option A: Rename to `meta-context-advanced-eng` or similar (4 segments)
- [ ] Option B: Update validation regex to allow 5+ segments
- [ ] If renaming, update skill directory name
- [ ] If renaming, update SKILL.md frontmatter
- [ ] Run `just validate-skill components/skills/` to verify
- [ ] Update any references to this skill in other files

## Validation Command

```bash
just validate-skill components/skills/meta-context-evaluation-advanced-eng
```