[Pipeline 文档验收]：完成开源语音助手式运行说明，包含配置、验收命令和OpenSpec校验

tests/test_cli_acceptance.py

@@ -42,6 +42,9 @@ class CliAcceptanceTests(unittest.TestCase):
         self.assertEqual(code, 0)
         self.assertTrue(data["llm_api_key_present"])
         self.assertEqual(data["llm_model"], "file-model")
+        self.assertEqual(data["pipeline_mode"], "live_turn_based")
+        self.assertEqual(data["endpoint_mode"], "primary_speaker")
+        self.assertEqual(data["context_mode"], "session_memory")
         self.assertNotIn("secret-value", str(data))
 
     def test_security_check_command_has_no_leaks(self) -> None: