from __future__ import annotations from typing import Any from vibe.core.tts.tts_client_port import TTSResult class FakeTTSClient: def __init__( self, *_args: Any, result: TTSResult | None = None, **_kwargs: Any ) -> None: self._result: TTSResult = result or TTSResult(audio_data=b"fake-audio") def set_result(self, result: TTSResult) -> None: self._result = result async def speak(self, text: str) -> TTSResult: return self._result async def close(self) -> None: pass