docs(okf): frontmatter OKF + rich abstracts nas descriptions

Normalizacao OKF dos .md: type/title/description/timestamp/layer +
descriptions factuais (rich abstracts). Apenas .md tracked; corpos intactos.
Parte da aplicacao OKF a /Dados/Dev (28-06-2026).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

doc-converter/Guias/Guia de Vendas B2B.md

@@ -1,7 +1,12 @@
 ---
+type: Document
 title: Guia de Vendas B2B
+description: >-
+  Guia de marketing da Descomplicar sobre o processo de vendas B2B complexas.
 tags: [vendas b2b, processo de vendas, social selling, funil de vendas, crm]
 
+timestamp: 2025-07-03T04:09:46.672446+00:00
+layer: wiki
 ---
 
 ---