fix: add robots field to MetaConfig and I18nMetaConfig

apps/vdn-static/src/composables/useI18nMeta.ts

@@ -220,6 +220,8 @@ export interface I18nMetaConfig {
   twitter?: I18nTwitterCardConfig | ((route: any) => I18nTwitterCardConfig)
   /** Custom meta tags */
   custom?: MetaConfig['custom']
+  /** Robots meta directive (e.g. 'index, follow') */
+  robots?: string | ((route: any) => string)
   /** Hreflang configuration for international SEO */
   hreflang?: {
     [locale: string]: string

apps/vdn-static/src/composables/useMeta.ts

@@ -33,6 +33,8 @@ export interface MetaConfig {
   appendLocale?: boolean
   /** Title template for formatting */
   titleTemplate?: (title: string) => string
+  /** Robots meta directive (e.g. 'index, follow') */
+  robots?: string | ((route: RouteLocationNormalizedLoaded) => string)
 }
 
 /**