feat: refactor 30+ skills to Anthropic progressive disclosure pattern

- All SKILL.md files now <500 lines (avg reduction 69%)
- Detailed content extracted to references/ subdirectories
- Frontmatter standardised: only name + description (Anthropic standard)
- New skills: brand-guidelines, spec-coauthor, report-templates, skill-creator
- Design skills: anti-slop guidelines, premium-proposals reference
- Removed non-standard frontmatter fields (triggers, version, author, category)

Plugins affected: infraestrutura, marketing, dev-tools, crm-ops, gestao,
core-tools, negocio, perfex-dev, wordpress, design-media

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

infraestrutura/skills/vm-migration/references/troubleshooting.md

@@ -0,0 +1,48 @@
+# VM Migration - Troubleshooting
+
+## Container migration fails
+
+```bash
+# Verificar logs
+docker logs CONTAINER_ID
+
+# Verificar volumes
+ls -lah /var/lib/easypanel/projects/PROJECT/
+
+# Testar manual
+docker-compose up -d
+
+# Rollback e investigar
+```
+
+## CWP site nao carrega apos migration
+
+```bash
+# Verificar Apache
+systemctl status httpd
+
+# Verificar vhost
+cat /usr/local/apache/conf.d/vhosts/DOMAIN.conf
+
+# Verificar database
+mysql -u USER -p DATABASE
+
+# Verificar DNS propagation
+dig +short DOMAIN @8.8.8.8
+```
+
+## Email nao funciona
+
+```bash
+# Verificar Postfix
+systemctl status postfix
+
+# Testar SMTP
+telnet localhost 25
+
+# Verificar DNS MX
+dig +short MX DOMAIN
+
+# Verificar logs
+tail -f /var/log/maillog
+```