[Benchmark] Add vLLM-Omni Omni model online benchmark (#780)

Signed-off-by: wangyu31577 <wangyu31577@hundsun.com>
Signed-off-by: wangyu <53896905+yenuo26@users.noreply.github.com>
Co-authored-by: wangyu31577 <wangyu31577@hundsun.com>
Co-authored-by: Hongsheng Liu <liuhongsheng4@huawei.com>

vllm_omni/entrypoints/cli/__init__.py

@@ -1,5 +1,13 @@
 """CLI helpers for vLLM-Omni entrypoints."""
 
+# To ensure patch imports work properly, disable unused import checks
+# ruff: noqa: E402, F401
+# isort: off
+from vllm_omni.benchmarks.patch import patch
+# isort: on
+
+from vllm_omni.entrypoints.cli.benchmark.serve import OmniBenchmarkServingSubcommand
+
 from .serve import OmniServeCommand
 
-__all__ = ["OmniServeCommand"]
+__all__ = ["OmniServeCommand", "OmniBenchmarkServingSubcommand"]