[唤醒灵敏度与端点恢复]：完成唤醒提示顺序和Hybrid VAD优化，包含阈值默认值、缓冲时序和测试覆盖

src/owner_voice_pet/__init__.py

@@ -17,7 +17,7 @@ from .models import (
 )
 from .transport import AudioRingBuffer, FileReplayTransport, MemoryAudioTransport
 from .wakeword import KeywordWakeWordProvider, SherpaOnnxKeywordWakeWordProvider
-from .vad import EnergyVadProvider, VadRecorder
+from .vad import EnergyVadProvider, HybridVadProvider, VadRecorder
 from .stt import CloudAsrSttProvider, MetadataSttProvider, SherpaOnnxSttProvider, is_valid_transcript_text
 from .conversation import ConversationContext
 from .llm import MockLlmProvider, OpenAICompatibleLlmProvider
@@ -38,6 +38,7 @@ __all__ = [
     "KeywordWakeWordProvider",
     "SherpaOnnxKeywordWakeWordProvider",
     "EnergyVadProvider",
+    "HybridVadProvider",
     "VadRecorder",
     "CloudAsrSttProvider",
     "MetadataSttProvider",