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>

gestao/skills/imap-triage/SKILL.md

@@ -1,25 +1,7 @@
 ---
 name: imap-triage
-description: >
-  Triagem automatica de emails IMAP em 14 contas. Elimina spam, arquiva promocionais, identifica facturas para /auto-expense, flagga prioritarios. Deduplicacao via Supabase. Use when "imap", "triagem email", "limpar emails", "email triage", "processar emails".
-author: Descomplicar® Crescimento Digital
-version: 1.0.0
-quality_score: 85
-user_invocable: true
-category: management
-tags: [imap, email, triage, spam, promotions, invoices, supabase]
-desk_task: 1710
-desk_project: 65
-allowed-tools: Read, Write, mcp__imap, mcp__ssh-unified
-mcps: imap, ssh-unified
-dependencies:
-  mcps: [imap, ssh-unified]
-  files:
-    - /media/ealmeida/Dados/Hub/06-Operacoes/Documentacao/fornecedores-recorrentes.md
-triggers:
-  - "User asks to process emails"
-  - "User mentions 'imap', 'triagem', 'emails', 'limpar inbox'"
-  - "Invoked by /today orchestrator"
+description: Triagem automática de emails IMAP em 14 contas. Elimina spam, arquiva promocionais, identifica facturas, sinaliza prioritários. Deduplicação via Supabase. Usar quando "imap", "triagem email", "limpar emails", "email triage", "processar emails".
+disable-model-invocation: true
 ---
 
 # /imap-triage v1.0