[异步播报打断]：完成播放中麦克风监听和音色隔离，包含后台监听、助手回放抑制和用户音色打断测试

src/owner_voice_pet/config.py

@@ -59,6 +59,11 @@ class AppConfig:
     barge_in_enabled: bool = True
     barge_in_min_speech_ms: int = 250
     barge_in_echo_guard_ms: int = 500
+    barge_in_speaker_gate_enabled: bool = True
+    barge_in_user_similarity_threshold: float = 0.62
+    barge_in_assistant_reject_threshold: float = 0.72
+    barge_in_listen_interval_ms: int = 20
+    barge_in_chunk_ms: int = 30
     end_chime_enabled: bool = True
     end_chime_file: Path = Path("assets/sounds/codex-notification.wav")
     end_chime_frequency_hz: int = 880
@@ -134,6 +139,16 @@ class AppConfig:
             barge_in_enabled=(get("BARGE_IN_ENABLED", "1") or "1").lower() not in {"0", "false", "no"},
             barge_in_min_speech_ms=int(get("BARGE_IN_MIN_SPEECH_MS", "250") or "250"),
             barge_in_echo_guard_ms=int(get("BARGE_IN_ECHO_GUARD_MS", "500") or "500"),
+            barge_in_speaker_gate_enabled=(get("BARGE_IN_SPEAKER_GATE_ENABLED", "1") or "1").lower()
+            not in {"0", "false", "no"},
+            barge_in_user_similarity_threshold=float(
+                get("BARGE_IN_USER_SIMILARITY_THRESHOLD", "0.62") or "0.62"
+            ),
+            barge_in_assistant_reject_threshold=float(
+                get("BARGE_IN_ASSISTANT_REJECT_THRESHOLD", "0.72") or "0.72"
+            ),
+            barge_in_listen_interval_ms=int(get("BARGE_IN_LISTEN_INTERVAL_MS", "20") or "20"),
+            barge_in_chunk_ms=int(get("BARGE_IN_CHUNK_MS", "30") or "30"),
             end_chime_enabled=(get("END_CHIME_ENABLED", "1") or "1").lower() not in {"0", "false", "no"},
             end_chime_file=Path(
                 get("END_CHIME_FILE", "assets/sounds/codex-notification.wav")
@@ -405,6 +420,34 @@ class AppConfig:
                         "startup",
                     )
                 )
+        for name, value in {
+            "OWNER_BARGE_IN_LISTEN_INTERVAL_MS": self.barge_in_listen_interval_ms,
+            "OWNER_BARGE_IN_CHUNK_MS": self.barge_in_chunk_ms,
+        }.items():
+            if value <= 0:
+                errors.append(
+                    ProviderError(
+                        ErrorCode.CONFIG_MISSING_VALUE,
+                        f"{name} must be positive",
+                        False,
+                        "config",
+                        "startup",
+                    )
+                )
+        for name, value in {
+            "OWNER_BARGE_IN_USER_SIMILARITY_THRESHOLD": self.barge_in_user_similarity_threshold,
+            "OWNER_BARGE_IN_ASSISTANT_REJECT_THRESHOLD": self.barge_in_assistant_reject_threshold,
+        }.items():
+            if not 0 < value <= 1:
+                errors.append(
+                    ProviderError(
+                        ErrorCode.CONFIG_MISSING_VALUE,
+                        f"{name} must be in (0, 1]",
+                        False,
+                        "config",
+                        "startup",
+                    )
+                )
         for name, value in {
             "OWNER_END_CHIME_FREQUENCY_HZ": self.end_chime_frequency_hz,
             "OWNER_END_CHIME_DURATION_MS": self.end_chime_duration_ms,