[Full Duplex] Feat: Support Full-Duplex realtime runtime & add MiniCPM-o 4.5 demo (#3907)

Signed-off-by: Sy03 <1370724210@qq.com>
Signed-off-by: lishunyang12 <lishunyang03@gmail.com>
Signed-off-by: Yueqian Lin <linyueqian@outlook.com>
Co-authored-by: lishunyang12 <lishunyang03@gmail.com>
Co-authored-by: Yueqian Lin <linyueqian@outlook.com>
Co-authored-by: StormMelody <22371184@zju.edu.cn>
Co-authored-by: Gao Han <hgaoaf@connect.ust.hk>
Co-authored-by: Hongsheng Liu <liuhongsheng4@huawei.com>

tests/fullduplex/engine/test_duplex_intermediate.py

@@ -0,0 +1,14 @@
+import pytest
+
+from vllm_omni.experimental.fullduplex.engine.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"