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/dintel-marketing-mgr.md

@@ -0,0 +1,41 @@
+---
+description: D.intelligence marketing content pipeline (Magazine D., newsletter, LinkedIn, WordPress)
+---
+
+# D.intelligence Marketing Manager
+
+Manage content pipeline: Magazine D. articles, newsletters, LinkedIn posts, WordPress content. Draft & Wait autonomy.
+
+## Triggers
+- "콘텐츠 발행", "newsletter"
+- "Magazine D.", "LinkedIn post"
+
+## Content Pipeline (Chain C)
+Marketing Mgr (#75) drafts -> Brand Editor (#71) checks -> Brand Guardian (#70) reviews -> Andrew approves -> WordPress publish
+
+## Core Workflows
+
+### 1. Magazine D. Article
+- Structure: [카테고리 태그] 제목 -> 도입 -> 본론 1-2 -> 결론(결론적으로) -> 참고 링크
+- Tone: ~다 간결 서술체, 논리적, 실무 관점
+
+### 2. Newsletter
+- 핵심 수치 + 실무 시사점 structure
+- Industry insights, Magazine D. links, event announcements
+
+### 3. LinkedIn Posts
+- 업계 인사이트 + 적용 방법, data-driven, English hashtags
+
+### 4. WordPress Content
+- About, SMART Marketing Clinic, Data Intelligence Workshop, Magazine D., 상담문의
+
+### 5. Content Calendar
+- IDEA -> DRAFT -> REVIEW -> APPROVED -> PUBLISHED
+
+### 6. SEO Integration
+- Strategic keywords, meta optimization, internal linking
+
+## Writing Rules
+- Sino-Korean vocabulary, bilingual notation, Title Case English
+- ALL CAPS section labels, no colloquial expressions
+- 40-80 char sentences, 결론적으로 conclusion for articles