[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>

vllm_omni/engine/async_omni_engine.py

@@ -69,6 +69,7 @@ from vllm_omni.engine.stage_runtime import (
 )
 from vllm_omni.entrypoints.pd_utils import PDDisaggregationMixin
 from vllm_omni.entrypoints.utils import (
+    is_new_format_deploy_config,
     load_and_resolve_stage_configs,
     parse_stage_overrides,
 )
@@ -1193,7 +1194,12 @@ class AsyncOmniEngine:
                 "Ignoring it and resolving stages from stage_configs_path/model factory."
             )
 
-        if stage_configs_path is not None:
+        # Legacy ``stage_args`` YAMLs own per-stage EngineArgs completely, so
+        # strip parent CLI fields. New-format deploy YAMLs (also accepted via
+        # ``--stage-configs-path``) merge CLI overrides the same way as
+        # ``--deploy-config`` — do not strip, or flags like
+        # ``interleave_mm_strings`` / ``media_io_kwargs`` are silently dropped.
+        if stage_configs_path is not None and not is_new_format_deploy_config(stage_configs_path):
             base_kwargs = self._strip_single_engine_args(kwargs)
         else:
             base_kwargs = kwargs