[结束提示音优化]：完成Codex通知音资产内置，包含音频提取、配置默认值和回归测试

src/owner_voice_pet/__init__.py

@@ -27,7 +27,7 @@ from .llm import MockLlmProvider, OpenAICompatibleLlmProvider
 from .pipeline import PipelineResult, VoicePipeline
 from .runtime import LiveVoiceRuntime, RuntimeSummary, TerminalRuntimeReporter, TurnResult, build_live_runtime
 from .simulation import run_simulated_live
-from .tts import CloudTtsProvider, MacSayTtsProvider, SentenceBuffer, SineTtsProvider, make_prompt_chime, sanitize_tts_text
+from .tts import CloudTtsProvider, MacSayTtsProvider, SentenceBuffer, SineTtsProvider, make_end_chime, make_prompt_chime, sanitize_tts_text
 from .assets import validate_pet_assets
 from .ui import ConsolePetWindow, PetStateController, PetVisualState
 
@@ -70,6 +70,7 @@ __all__ = [
     "MacSayTtsProvider",
     "SentenceBuffer",
     "SineTtsProvider",
+    "make_end_chime",
     "make_prompt_chime",
     "sanitize_tts_text",
     "validate_pet_assets",

src/owner_voice_pet/assistant_pipeline.py

@@ -47,7 +47,7 @@ from .protocols import (
     WakeWordProvider,
 )
 from .stt import is_valid_transcript_text
-from .tts import SentenceBuffer, make_prompt_chime, sanitize_tts_text
+from .tts import SentenceBuffer, make_end_chime, sanitize_tts_text
 from .vad import VadRecorder
 
 
@@ -491,7 +491,8 @@ class TurnController:
     def _play_end_chime(self) -> None:
         if not self.config.end_chime_enabled:
             return
-        segment = make_prompt_chime(
+        segment = make_end_chime(
+            file_path=self.config.end_chime_file,
             frequency_hz=self.config.end_chime_frequency_hz,
             duration_ms=self.config.end_chime_duration_ms,
             sample_rate=self.config.sample_rate,

src/owner_voice_pet/cli.py

@@ -105,6 +105,7 @@ def main(argv: list[str] | None = None) -> int:
                     "barge_in_min_speech_ms": config.barge_in_min_speech_ms,
                     "barge_in_echo_guard_ms": config.barge_in_echo_guard_ms,
                     "end_chime_enabled": config.end_chime_enabled,
+                    "end_chime_file": str(config.end_chime_file),
                     "end_chime_frequency_hz": config.end_chime_frequency_hz,
                     "end_chime_duration_ms": config.end_chime_duration_ms,
                 },

src/owner_voice_pet/config.py

@@ -60,6 +60,7 @@ class AppConfig:
     barge_in_min_speech_ms: int = 250
     barge_in_echo_guard_ms: int = 500
     end_chime_enabled: bool = True
+    end_chime_file: Path = Path("assets/sounds/codex-notification.wav")
     end_chime_frequency_hz: int = 880
     end_chime_duration_ms: int = 140
 
@@ -134,6 +135,10 @@ class AppConfig:
             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"),
             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")
+                or "assets/sounds/codex-notification.wav"
+            ),
             end_chime_frequency_hz=int(get("END_CHIME_FREQUENCY_HZ", "880") or "880"),
             end_chime_duration_ms=int(get("END_CHIME_DURATION_MS", "140") or "140"),
         )

src/owner_voice_pet/runtime.py

@@ -33,7 +33,7 @@ from .models import AudioSegment, ErrorCode, PipelineState, ProviderError
 from .protocols import AudioTransport, LlmProvider, RealtimeSttProvider, SttProvider, TtsProvider, WakeWordProvider
 from .stt import CloudAsrSttProvider, SherpaOnnxSttProvider, is_valid_transcript_text
 from .transport import SoundDeviceAudioTransport
-from .tts import CloudTtsProvider, MacSayTtsProvider, SentenceBuffer, make_prompt_chime, sanitize_tts_text
+from .tts import CloudTtsProvider, MacSayTtsProvider, SentenceBuffer, make_end_chime, sanitize_tts_text
 from .vad import EnergyVadProvider, HybridVadProvider, PrimarySpeakerVadRecorder, SherpaOnnxVadProvider, VadRecorder
 from .wakeword import SherpaOnnxKeywordWakeWordProvider
 
@@ -343,7 +343,8 @@ class LiveVoiceRuntime:
     def _play_end_chime(self) -> None:
         if not self.config.end_chime_enabled:
             return
-        segment = make_prompt_chime(
+        segment = make_end_chime(
+            file_path=self.config.end_chime_file,
             frequency_hz=self.config.end_chime_frequency_hz,
             duration_ms=self.config.end_chime_duration_ms,
             sample_rate=self.config.sample_rate,

src/owner_voice_pet/tts.py

@@ -170,7 +170,55 @@ def make_prompt_chime(
         channels,
         0,
         duration_ms,
-        {"chime": "end", "text": "end_chime"},
+        {"chime": "end", "text": "end_chime", "source": "synthetic"},
+    )
+
+
+def make_end_chime(
+    *,
+    file_path: str | Path | None = None,
+    frequency_hz: int = 880,
+    duration_ms: int = 140,
+    sample_rate: int = 16000,
+    channels: int = 1,
+) -> AudioSegment:
+    if file_path is not None:
+        segment = _load_chime_file(Path(file_path))
+        if segment is not None:
+            return segment
+    return make_prompt_chime(
+        frequency_hz=frequency_hz,
+        duration_ms=duration_ms,
+        sample_rate=sample_rate,
+        channels=channels,
+    )
+
+
+def _load_chime_file(path: Path) -> AudioSegment | None:
+    if not path.is_file():
+        return None
+    data = path.read_bytes()
+    if not data:
+        return None
+    suffix = path.suffix.lower().lstrip(".") or "wav"
+    sample_rate = 16000
+    channels = 1
+    duration_ms = 120
+    if suffix == "wav":
+        try:
+            with wave.open(str(path), "rb") as handle:
+                sample_rate = handle.getframerate()
+                channels = handle.getnchannels()
+                duration_ms = int(handle.getnframes() / max(1, sample_rate) * 1000)
+        except wave.Error:
+            pass
+    return AudioSegment(
+        data,
+        sample_rate,
+        channels,
+        0,
+        max(20, duration_ms),
+        {"chime": "end", "text": "end_chime", "format": suffix, "path": str(path), "source": "file"},
     )