feat(settings-audit): Add Claude Code settings optimizer skill

- Add new 00-claude-code-setting skill for token usage optimization
- Includes audit scripts for MCP servers, CLAUDE.md, and extensions
- Auto-fix capability with backup for serverInstructions and frontmatter
- Add YAML frontmatter to 17 command files
- Target: keep baseline under 30% of 200K context limit

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.claude/commands/seo-gsc.md

@@ -1,3 +1,7 @@
+---
+description: Seo Gsc command
+---
+
 # SEO Search Console
 
 Google Search Console data retrieval and analysis.