[语音打断链路]：完成VAD和Streaming STT基础接口，包含Silero边界、fake转写和低延迟打断测试

src/owner_voice_pet/__init__.py

@@ -12,6 +12,17 @@ from .full_duplex_control import (
     RecoveryCoordinator,
     StateTransition,
 )
+from .full_duplex_speech import (
+    FakeStreamingSttProvider,
+    FakeVadProvider,
+    InterruptionDecision,
+    InterruptionDetector,
+    SileroVadProvider,
+    StreamingSttProvider,
+    TranscriptEvent,
+    VadEvent,
+    VadProvider,
+)
 from .models import (
     AudioFrame,
     AudioSegment,
@@ -53,6 +64,15 @@ __all__ = [
     "InvalidStateTransition",
     "RecoveryCoordinator",
     "StateTransition",
+    "FakeStreamingSttProvider",
+    "FakeVadProvider",
+    "InterruptionDecision",
+    "InterruptionDetector",
+    "SileroVadProvider",
+    "StreamingSttProvider",
+    "TranscriptEvent",
+    "VadEvent",
+    "VadProvider",
     "AudioFrame",
     "AudioSegment",
     "AudioRingBuffer",