[Benchmark][MiniCPM-o] Add Omni-DuplexEval support (#6634)

Signed-off-by: Zhanshenzhui <99891002+zyforsure@users.noreply.github.com>
Co-authored-by: amy-why-3459 <wuhaiyan17@huawei.com>

vllm_omni/entrypoints/cli/__init__.py

@@ -1,3 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM-Omni project
+
 """CLI helpers for vLLM-Omni entrypoints."""
 
 # To ensure patch imports work properly, disable unused import checks
@@ -6,8 +9,9 @@
 from vllm_omni.benchmarks.patch import patch
 # isort: on
 
+from vllm_omni.entrypoints.cli.benchmark.omni_duplex_eval import OmniDuplexEvalSubcommand
 from vllm_omni.entrypoints.cli.benchmark.serve import OmniBenchmarkServingSubcommand
 
 from .serve import OmniServeCommand
 
-__all__ = ["OmniServeCommand", "OmniBenchmarkServingSubcommand"]
+__all__ = ["OmniServeCommand", "OmniBenchmarkServingSubcommand", "OmniDuplexEvalSubcommand"]