docs: sync README, CLAUDE.md, AGENTS.md with latest skill changes

- Add 93-tui-designer to all doc files and directory layouts
- Remove phantom 42-jamie-journal-editor (directory never existed)
- Update GTM directory names: 61-gtm-manager → 61-gtm-editor,
  62-gtm-guardian → 62-gtm-validator in CLAUDE.md layout
- Fix skill count: README 64→62, AGENTS.md 52→62
- Add .claude/commands/ slash command definitions
- Add SEO comprehensive audit gotcha notes (JHR, SLA)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.claude/commands/ourdigital-blog.md

@@ -0,0 +1,42 @@
+---
+description: Korean blog drafting for blog.ourdigital.org with Ghost CMS integration
+---
+
+# OurDigital Blog
+
+Korean blog draft creation for blog.ourdigital.org. Activated with "ourdigital" keyword.
+
+## Triggers
+- "ourdigital blog", "ourdigital 블로그"
+- "ourdigital 한국어 포스트"
+
+## Channel Profile
+
+- URL: blog.ourdigital.org
+- Language: Korean (영문 전문용어 병기)
+- Tone: Analytical, Educational
+- Platform: Ghost CMS
+- Length: 1,500-3,000자
+
+## Workflow
+
+1. **Topic Clarification**: 주제, 타겟 독자, 깊이 수준
+2. **Draft Structure**: 도입부(Hook) -> 본론(3-5 포인트) -> 결론(Summary + 열린 질문)
+3. **Writing Style**: 분석적+개인적 톤, 한글 기본 영문 병기, 관찰->분석->함의
+4. **SEO Metadata**: title(60자), meta_description(155자), slug, tags
+5. **Output**: Markdown with YAML frontmatter
+
+## Scripts
+
+```bash
+python shared/scripts/export_blog.py --output ulysses
+python shared/scripts/ghost_publish.py --draft
+```
+
+## Export Options
+1. Ulysses -> `$ULYSSES_EXPORT_PATH`
+2. Ghost Draft -> API push
+3. Local -> `./output/blog/`
+
+## Brand Compliance
+- 분석적 톤, 기술+인간적 함의, 전문용어 영문 병기, 1,500-3,000자