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>

marketing/skills/ads/SKILL.md

@@ -1,14 +1,6 @@
 ---
 name: ads
-description: Google Ads campaign creation and management for Portuguese market. Creates
-  targeted campaigns with keyword research and ad copy. Use when user mentions "google
-  ads", "campanha publicitária", "anúncios", "ppc", "adwords".
-author: Descomplicar® Crescimento Digital
-version: 2.0.0
-quality_score: 55
-user_invocable: true
-desk_task:
-- TBD
+description: Criação e gestão de campanhas Google Ads para o mercado português. Campanhas segmentadas com pesquisa de palavras-chave e copy de anúncios.
 ---
 
 # /ads
@@ -17,6 +9,25 @@ Gestão completa de campanhas de publicidade paga com best practices 2026.
 
 ---
 
+## Contexto NotebookLM
+
+ANTES de executar, consultar notebook para contexto especializado:
+
+| Notebook | ID | Consultar quando |
+|----------|-----|-----------------|
+| Marketing Digital Avançado | `76647e0f` | Sempre |
+
+```
+mcp__notebooklm__notebook_query({
+  notebook_id: "76647e0f-3ae2-4c00-a0a8-f457aebf5655",
+  query: "<adaptar ao contexto — ex: Google Ads optimização, Meta Ads criativos, ROAS, bidding strategies>"
+})
+```
+
+Integrar insights do NotebookLM nas recomendações e decisões.
+
+---
+
 ## 🎯 Triggers
 - "Ads", "publicidade", "anúncios"
 - "Google Ads", "Facebook Ads", "Meta Ads", "LinkedIn Ads"