feat: refactor date formatting and timezone utilities for improved consistency and functionality

src/lib/utils/locale.ts

@@ -1,14 +0,0 @@
-// Get supported timezones, fallback to basic list if Intl.supportedValuesOf is not available
-export const getSupportedTimezones = (): string[] => {
-  try {
-    if (typeof Intl !== 'undefined' && 'supportedValuesOf' in Intl) {
-      // eslint-disable-next-line @typescript-eslint/no-explicit-any
-      return (Intl as any).supportedValuesOf('timeZone')
-    }
-  } catch {
-    console.warn('Intl.supportedValuesOf not available, using fallback timezones')
-  }
-  
-  // Fallback timezone list
-  return ['America/New_York', 'Europe/Paris']
-}