[Refactor] Remove legacy --stage-configs-path from the serve CLI (#5647)

Signed-off-by: zwhzzz0821 <2831474076@qq.com>

tests/e2e/accuracy/helpers.py

@@ -696,7 +696,7 @@ def _dreamzero_omni_server_from_params(params):
 
     server_args = list(params.server_args or [])
     if params.stage_config_path is not None:
-        server_args += ["--stage-configs-path", params.stage_config_path]
+        server_args += ["--deploy-config", params.stage_config_path]
     return OmniServer(
         params.model,
         server_args,

tests/e2e/accuracy/test_hunyuan_image3.py

@@ -359,12 +359,12 @@ def _run_offline(deploy_config_path: str, output_path: Path) -> tuple[Image.Imag
     return image, cot_text, elapsed
 
 
-def _run_online(stage_configs_path: str, output_path: Path) -> tuple[Image.Image, str, float]:
+def _run_online(deploy_config_path: str, output_path: Path) -> tuple[Image.Image, str, float]:
     from benchmarks.accuracy.common import decode_base64_image, pil_to_png_bytes
 
     server_args = [
-        "--stage-configs-path",
-        stage_configs_path,
+        "--deploy-config",
+        deploy_config_path,
         "--stage-init-timeout",
         "300",
         "--init-timeout",