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/proxmox-cluster/SKILL.md

@@ -1,16 +1,7 @@
 ---
 name: proxmox-cluster
-description: Formar cluster Proxmox 2+ nodes com Corosync e Quorum. Use when user mentions "create cluster", "proxmox cluster", "pvecm", "join node", "cluster formation".
-author: Descomplicar® Crescimento Digital
-version: 1.0.0
-quality_score: 75
-user_invocable: true
-desk_task: 1712
-allowed-tools: Task, Read, Bash
-dependencies:
-  - ssh-unified
-  - notebooklm
-  - proxmox-setup
+description: Formação de cluster Proxmox com 2+ nodes — configuração de Corosync, Quorum e preparação para High Availability.
+disable-model-invocation: true
 ---
 
 # Proxmox Cluster
@@ -475,4 +466,23 @@ pvecm status  # Em ambos nodes, status diferente
 
 ---
 
+## Contexto NotebookLM
+
+ANTES de executar, consultar notebooks para contexto especializado:
+
+| Notebook | ID | Consultar quando |
+|----------|-----|-----------------|
+| Proxmox | 276ccdde-6b95-42a3-ad96-4e64d64c8d52 | Sempre |
+
+```
+mcp__notebooklm__notebook_query({
+  notebook_id: "276ccdde-6b95-42a3-ad96-4e64d64c8d52",
+  query: "<adaptar ao contexto de cluster e corosync>"
+})
+```
+
+Integrar insights do NotebookLM nas recomendações e decisões.
+
+---
+
 **/** @author Descomplicar® | @copyright 2026 **/