Add voice history, default preset voice, and one-click tab

Keep synthesized wav files browsable with playback and download, default to preset steady male voice, show one-click pipeline as the first tab, and reduce post-synthesis UI flicker.

Co-authored-by: Cursor <cursoragent@cursor.com>

tts_service.py

@@ -635,7 +635,6 @@ def _concat_wavs(
 def generate_voice(
     refined_text: str,
     voice_id: str = "custom",
-    progress_callback=None,
 ) -> Tuple[bool, str, Optional[str]]:
     """
     使用 ChatTTS（本地 GPU）将润色稿合成为 wav。
@@ -725,11 +724,6 @@ def generate_voice(
         for idx, chunk in enumerate(chunks, start=1):
             if not chunk or len(chunk) < 2:
                 continue
-            if progress_callback is not None:
-                try:
-                    progress_callback(idx, len(chunks))
-                except Exception:
-                    logger.debug("TTS 进度回调失败", exc_info=True)
             release_cuda_cache()
             chunk_infer = replace(params_infer_code, manual_seed=42 + idx)
             wavs = None