fix: corregir lang y file_path en frontmatter de funciones existentes

Normaliza lang: typescript → ts en funciones frontend y corrige file_path de functions/infra/ → functions/browser/ en funciones CDP. Actualiza referencias cn_typescript_core → cn_ts_core.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

frontend/functions/ui/alert.md

@@ -1,14 +1,14 @@
 ---
 name: alert
 kind: component
-lang: typescript
+lang: ts
 domain: ui
 version: "1.0.0"
 purity: impure
 signature: "Alert(props: { variant?: 'default' | 'destructive' }): JSX.Element"
 description: "Alerta accesible con variantes default y destructive. Sistema de slots para título, descripción, icono y acción."
 tags: [alert, feedback, component, ui, notification]
-uses_functions: [cn_typescript_core]
+uses_functions: [cn_ts_core]
 uses_types: []
 returns: []
 returns_optional: false