update: 长按设备ASR适配

main/xiaozhi-server/core/providers/vad/silero.py

@@ -2,7 +2,6 @@ import time
 import numpy as np
 import torch
 import opuslib_next
-import gc
 from config.logger import setup_logging
 from core.providers.vad.base import VADProviderBase
 
@@ -46,7 +45,7 @@ class VADProvider(VADProviderBase):
 
     def is_vad(self, conn, opus_packet):
         # 手动模式：直接返回True，不进行实时VAD检测，所有音频都缓存
-        if conn.client_listen_mode not in ["auto", "realtime"]:
+        if conn.client_listen_mode == "manual":
             return True
             
         try: