[Core] Graduate MiniCPM-o 4.5 and PersonaPlex full-duplex serving out of experimental (#6196)

Signed-off-by: chickeyton <ngton2014@gmail.com>
Signed-off-by: Gao Han <hgaoaf@connect.ust.hk>
Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
Co-authored-by: Gao Han <hgaoaf@connect.ust.hk>

tests/engine/duplex/test_duplex_intermediate.py

@@ -0,0 +1,17 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM-Omni project
+
+import pytest
+
+from vllm_omni.engine.duplex.intermediate import get_stream_request_key
+
+pytestmark = [pytest.mark.core_model, pytest.mark.cpu]
+
+
+def test_get_stream_request_key_requires_stable_identifier():
+    with pytest.raises(ValueError, match="stable request id"):
+        get_stream_request_key({"ids": {"tts": [1, 2, 3]}})
+
+
+def test_get_stream_request_key_accepts_global_request_id():
+    assert get_stream_request_key({"global_request_id": ["duplex-sid-stage0"]}) == "duplex-sid-stage0"