[Config] Add HunyuanImage3 deploy configs (#3172)

Signed-off-by: KexiongYu <yukexiong1@huawei.com>
Signed-off-by: Y. Fisher <yukexiong1@huawei.com>

tests/entrypoints/test_utils.py

@@ -18,6 +18,7 @@ from vllm_omni.entrypoints.utils import (
     _filter_dict_like_object,
     coerce_param_message_types,
     filter_dataclass_kwargs,
+    filter_stages,
     load_and_resolve_stage_configs,
     load_stage_configs_from_yaml,
     resolve_model_config_path,
@@ -401,6 +402,44 @@ class TestLoadAndResolveStageConfigs:
         assert stage_configs[1].runtime.num_replicas == 3
         assert stage_configs[1].runtime.devices == "1,2,3"
 
+    def test_filter_stages_selects_mode_stages_without_mutating_stage_config(self, tmp_path):
+        config_path = tmp_path / "deploy.yaml"
+        config_path.write_text(
+            """modes:
+  - mode: text-to-text
+    stages: [0]
+  - mode: text-to-image
+    stages: [0, 1]
+""",
+            encoding="utf-8",
+        )
+        stages = [
+            create_config(
+                {
+                    "stage_id": 0,
+                    "runtime": {"requires_multimodal_data": True},
+                    "final_output": False,
+                    "final_output_type": None,
+                }
+            ),
+            create_config(
+                {
+                    "stage_id": 1,
+                    "runtime": {"requires_multimodal_data": True},
+                    "final_output": True,
+                    "final_output_type": "image",
+                }
+            ),
+        ]
+
+        filtered = filter_stages(str(config_path), stages, {"mode": "text-to-text"})
+
+        assert len(filtered) == 1
+        assert filtered[0].stage_id == 0
+        assert filtered[0].runtime.requires_multimodal_data is True
+        assert filtered[0].final_output is False
+        assert filtered[0].final_output_type is None
+
 
 class TestLoadStageConfigsFromYaml:
     """Regression tests for stage-config loading and merging."""