export interface TtsSettings { rate: number; // 0.1 - 2.0 pitch: number; // 0 - 2 voiceURI?: string; // exact voice identifier autoSpeakWord: boolean; autoSpeakExample: boolean; } export const DEFAULT_TTS_SETTINGS: TtsSettings = { rate: 0.85, pitch: 1.0, voiceURI: undefined, autoSpeakWord: false, autoSpeakExample: false, };