[实时转写]：完成录音期间转写显示，包含partial事件、本地streaming STT和终端实时反馈

src/owner_voice_pet/events.py

@@ -15,6 +15,7 @@ CAPTURE_STARTED = "capture_started"
 SPEECH_STARTED = "speech_started"
 SPEECH_ENDED = "speech_ended"
 STT_STARTED = "stt_started"
+TRANSCRIPT_PARTIAL = "transcript_partial"
 TRANSCRIPT_FINAL = "transcript_final"
 LLM_STARTED = "llm_started"
 TTS_STARTED = "tts_started"
@@ -58,8 +59,12 @@ class PipelineEventBus:
 
 
 def dispatch_pipeline_event(reporter: Any, event: PipelineEvent) -> None:
-    if event.type == TRANSCRIPT_FINAL:
-        reporter.transcript(str(event.payload.get("text", event.message)), final=True, turn_id=event.turn_id)
+    if event.type in {TRANSCRIPT_PARTIAL, TRANSCRIPT_FINAL}:
+        reporter.transcript(
+            str(event.payload.get("text", event.message)),
+            final=event.type == TRANSCRIPT_FINAL,
+            turn_id=event.turn_id,
+        )
         return
     if event.type == STAGE_ERROR:
         error = event.payload.get("error")