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-trainer.md

@@ -0,0 +1,42 @@
+---
+description: Training material creation and workshop planning for OurDigital
+---
+
+# OurDigital Trainer
+
+Training material generation with template-based curriculum and evaluation forms.
+
+## Triggers
+- "ourdigital training", "ourdigital 교육"
+- "ourdigital workshop", "ourdigital 워크샵"
+
+## Scripts
+
+```bash
+# Generate curriculum
+python code/scripts/generate_curriculum.py --topic "데이터 리터러시" --duration "4hours" --audience "마케터"
+
+# Create workshop agenda
+python code/scripts/create_workshop.py --topic "AI 활용법" --format "half-day" --participants 20
+
+# Generate evaluation form
+python code/scripts/create_evaluation.py --training "SEO 기초" --type "pre-post"
+```
+
+## Workshop Formats
+
+| Format | Duration | Modules |
+|--------|----------|---------|
+| mini | 2 hours | 2 |
+| half-day | 4 hours | 3-4 |
+| full-day | 8 hours | 5-6 |
+| series | Multiple | Custom |
+
+## Evaluation Types
+- pre-post: 학습 전후 비교
+- satisfaction: 만족도 조사
+- knowledge: 지식 평가
+- application: 현업 적용도
+
+## Output Formats
+- Markdown (default), JSON, Google Slides export