import type { SttTranscriptionResult } from "../../services/stt";import type { TtsSynthesisRequest } from "../../services/tts"; export interface AudioRouteDependencies {  transcribe?: (request: {    audioPath: string;    modelPath: string;    language?: string;  }) => Promise<SttTranscriptionResult>;  transcodeToWav?: (options: { sourcePath: string; outputPath: string }) => Promise<string>;  synthesize?: (request: TtsSynthesisRequest) => Promise<void>;}