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>

kb-processor/CONFIGURACAO.md

@@ -1,3 +1,11 @@
+---
+type: Document
+title: Configuracao
+description: >-
+  OPENROUTER_API_KEY: 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
+timestamp: 2025-07-03T03:47:22.873333+00:00
+layer: wiki
+---
 # Configuração do Projeto
 
 ## Chave OpenRouter