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/time/SKILL.md

@@ -1,18 +1,7 @@
 ---
 name: time
-description: >
-  Time tracking integrado com Desk CRM v2.0. Alertas >4h, total semanal, integração worklog.
-  Use when "time", "timer", "horas", "timesheet", "start", "stop", "tempo".
-author: Descomplicar® Crescimento Digital
-version: 2.0.0
-quality_score: 80
-user_invocable: true
-category: productivity
-tags: [time, timer, desk, crm, timesheet, productivity]
-desk_task: 1485
-desk_project: 65
-allowed-tools: Read, Write, mcp__desk-crm-v3, mcp__mcp-time, mcp__filesystem
-mcps: desk-crm-v3, mcp-time, filesystem
+description: Gestão de tempo integrada com Desk CRM. Alertas >4h, total semanal, integração worklog. Usar quando "time", "timer", "horas", "timesheet", "start", "stop", "tempo".
+disable-model-invocation: true
 ---
 
 # /time v2.0 - Gestão de Tempo