[CI][MiniCPM-o] Add MiniCPM-o 4.5 accuracy and performance coverage (#5524)

Signed-off-by: R2-Y <ruiruyang2@gmail.com>
Signed-off-by: psv666 <2693925048@qq.com>
Co-authored-by: psv666 <2693925048@qq.com>
Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: amy-why-3459 <wuhaiyan17@huawei.com>

tests/entrypoints/openai_api/test_duplex_handler.py

@@ -51,6 +51,19 @@ from vllm_omni.outputs import OmniRequestOutput
 pytestmark = [pytest.mark.core_model, pytest.mark.cpu]
 
 
+def test_native_input_append_supports_explicit_session_opt_out():
+    session = DuplexSession(
+        "sid-explicit-tts",
+        DuplexSessionConfig(model="test-model"),
+        capabilities=DuplexCapabilities.minicpmo45_native(),
+    )
+
+    assert OmniDuplexSessionHandler._uses_native_input_append(session) is True
+
+    session.config.extra_body["minicpmo45_native_duplex"] = False
+    assert OmniDuplexSessionHandler._uses_native_input_append(session) is False
+
+
 class _ModelConfig:
     model = "test-model"