[FEAT] support multi-stage deployment (#2396)

Signed-off-by: ZhengWG <zwg0606@gmail.com>
Signed-off-by: Zheng Wengang <zwg0606@gmail.com>
Signed-off-by: Peiqi Yin <60515999+yinpeiqi@users.noreply.github.com>
Signed-off-by: yinpe <11810305@mail.sustech.edu.cn>
Signed-off-by: yinpeiqi <yinpeiqi809@gmail.com>
Co-authored-by: Peiqi Yin <60515999+yinpeiqi@users.noreply.github.com>
Co-authored-by: yinpe <11810305@mail.sustech.edu.cn>
Co-authored-by: yinpeiqi <yinpeiqi809@gmail.com>
Co-authored-by: Hongsheng Liu <liuhongsheng4@huawei.com>
Co-authored-by: Gao Han <hgaoaf@connect.ust.hk>
Co-authored-by: Chenguang Zheng <645327136@qq.com>

tests/worker/test_omni_connector_mixin.py

@@ -354,15 +354,15 @@ class TestFinishedLoadReqsDrain(unittest.TestCase):
 
 
 class TestLoadCustomFuncSelection(unittest.TestCase):
-    def test_skips_legacy_stage_list_processors_for_full_payload_mode(self):
-        legacy_paths = [
+    def test_skips_non_payload_stage_input_processors_for_full_payload_mode(self):
+        incompatible_paths = [
             "vllm_omni.model_executor.stage_input_processors.mimo_audio.llm2code2wav",
             "vllm_omni.model_executor.stage_input_processors.mammoth_moda2.ar2dit",
             "vllm_omni.model_executor.stage_input_processors.cosyvoice3.text2flow",
             "vllm_omni.model_executor.stage_input_processors.glm_image.ar2diffusion",
         ]
 
-        for func_path in legacy_paths:
+        for func_path in incompatible_paths:
             selected_path, func = MixinHost._load_custom_func(
                 SimpleNamespace(
                     async_chunk=False,