Function extractLanguage

src/commands/speech/voices.ts:9–14

(voiceId: string)

import type { VoiceListResponse, SystemVoiceInfo } from '../../types/api';

function extractLanguage(voiceId: string): string {
  // voice_id format: "Language_VoiceName" or "Language (Dialect)_VoiceName"
  // Match up to the last underscore-separated word that starts with uppercase
  const match = voiceId.match(/^(.+?)_[A-Z]/);
  return match ? match[1] : voiceId;
}

export function filterByLanguage(voices: SystemVoiceInfo[], language: string): SystemVoiceInfo[] {
  const lang = language.toLowerCase();