[Bugfix]: modify diffusion pipeline profiler result in videos (#2647)

Signed-off-by: bjf-frz <frz123db@gmail.com>

tests/entrypoints/test_async_omni_diffusion_config.py

@@ -93,3 +93,24 @@ def test_serve_cli_accepts_ulysses_mode():
     assert args.ulysses_mode == "advanced_uaa"
     assert parallel_config.ulysses_degree == 4
     assert parallel_config.ulysses_mode == "advanced_uaa"
+
+
+def test_serve_cli_accepts_diffusion_pipeline_profiler_flag():
+    """Ensure diffusion serve CLI exposes the profiler switch."""
+    parser = FlexibleArgumentParser()
+    subparsers = parser.add_subparsers(dest="command")
+    OmniServeCommand().subparser_init(subparsers)
+
+    args = parser.parse_args(
+        [
+            "serve",
+            "Wan-AI/Wan2.2-T2V-A14B-Diffusers",
+            "--omni",
+            "--enable-diffusion-pipeline-profiler",
+        ]
+    )
+
+    stage_cfg = _create_default_diffusion_stage_cfg(args)[0]
+
+    assert args.enable_diffusion_pipeline_profiler is True
+    assert stage_cfg["engine_args"]["enable_diffusion_pipeline_profiler"] is True