[流式回复播放]：完成LLM到TTS流式播报，包含句子切分和可取消播放队列

tests/test_full_duplex_integration.py

@@ -134,6 +134,22 @@ class FullDuplexIntegrationTests(unittest.TestCase):
         self.assertEqual(playback.spoken.text, "你好。")
         self.assertEqual(render.frame_count, 1)
 
+    def test_full_duplex_runtime_streaming_response_writes_render_reference_and_spoken_text(self) -> None:
+        runtime = FullDuplexAgentRuntime(
+            config=AppConfig(audio_apm_provider="fake", audio_apm_required=False),
+            llm_provider=FakeStreamingLlmProvider(
+                [LlmStreamEvent("delta", "第一句。第二句。"), LlmStreamEvent("finish", finish_reason="stop")]
+            ),
+            tts_provider=FakeStreamingTtsProvider(),
+        )
+
+        spoken = runtime.run_streaming_response_fixture([Message("user", "你好", 1.0)])
+
+        self.assertEqual(spoken, "第一句。第二句。")
+        self.assertIsNotNone(runtime.audio_hub)
+        self.assertEqual(runtime.audio_hub.render_reference.frame_count, 2)
+        self.assertEqual(runtime.playback_queue.pending_items, 0)
+
     def test_memory_restart_and_tool_search_integration(self) -> None:
         with tempfile.TemporaryDirectory() as tmp:
             db_path = Path(tmp) / "memory.sqlite3"