fix(voice): ignore playback audio until real barge-in

services/ai_voice_runtime_service/media_runtime.py

@@ -928,8 +928,11 @@ class AudioSocketMediaRuntime:
                     actor.playback_interrupt.set()
                     actor.barge_in_pending = True
                     actor.speech_started_monotonic = actor.speech_started_monotonic or time.monotonic()
+                    return
             else:
                 actor.barge_in_speech_ms = 0
+            if not actor.barge_in_pending:
+                return
         else:
             actor.barge_in_speech_ms = 0
 
@@ -1357,7 +1360,7 @@ class AudioSocketMediaRuntime:
             handoff_reason,
         )
         actor.state = state
-        actor.input_active = state in {"listening", "speaking", "thinking"}
+        actor.input_active = state in {"listening", "thinking"}
         actor.playback_active = state == "speaking"
         await asyncio.to_thread(
             self._set_state,