[真实全双工运行时]：完成run-agent-live可打断语音闭环，包含持续监听、软件回声抑制和播放取消验证

tests/test_cli_acceptance.py

@@ -83,14 +83,20 @@ class CliAcceptanceTests(unittest.TestCase):
         self.assertTrue(data["success"])
         self.assertEqual(data["command"], "run-agent-live")
         self.assertEqual(data["assistant_mode"], "full_duplex_agent")
-        self.assertFalse(data["full_duplex_runtime_ready"])
+        self.assertTrue(data["full_duplex_runtime_ready"])
         self.assertEqual(data["turn_based_entry"], "run-live")
 
-    def test_run_agent_live_without_runtime_returns_explicit_not_implemented(self) -> None:
-        code, data = self.call("run-agent-live")
-        self.assertEqual(code, 1)
-        self.assertFalse(data["success"])
-        self.assertEqual(data["code"], "FULL_DUPLEX_RUNTIME_NOT_IMPLEMENTED")
+    def test_run_agent_live_once_invokes_agent_runtime(self) -> None:
+        class FakeRuntime:
+            def run_agent(self, *, once: bool = False):
+                self.once = once
+                return type("Summary", (), {"completed_turns": 1, "interrupted": False})()
+
+        fake_runtime = FakeRuntime()
+        with patch("owner_voice_pet.cli.build_live_runtime", return_value=fake_runtime):
+            code = main(["run-agent-live", "--once"])
+        self.assertEqual(code, 0)
+        self.assertTrue(fake_runtime.once)
 
     def test_security_check_command_has_no_leaks(self) -> None:
         code, data = self.call("security-check")