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>

translate-wp-plugin/CHANGELOG.md

@@ -1,3 +1,11 @@
+---
+type: Changelog
+title: Changelog
+description: >-
+  Validação de base de dados: verificação de integridade SQLite (PRAGMA integrity_check) ao conectar
+timestamp: 2026-03-12T14:43:02.523250+00:00
+layer: wiki
+---
 # Changelog — wp-translate-ptpt.py
 
 ## [1.1.0] - 2026-03-12