Add vLLM-Omni library info to Hugging Face Hub requests (#5381)

Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>
Co-authored-by: Hongsheng Liu <liuhongsheng4@huawei.com>
Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>

tests/diffusion/models/minimax_h3/test_minimax_h3_quantization_quality.py

@@ -42,10 +42,10 @@ _QUALITY_CONFIG = QualityTestConfig(
 
 
 def _resolve_fl2va_model_ref() -> str:
-    from huggingface_hub import snapshot_download
+    from vllm_omni.transformers_utils.repo_utils import hf_api
 
     repo_root = Path(
-        snapshot_download(
+        hf_api().snapshot_download(
             repo_id=_MINIMAX_H3_REPO,
             revision=_MINIMAX_H3_REVISION,
             allow_patterns=["FL2VA/**"],
@@ -253,13 +253,13 @@ def test_resolve_fl2va_model_ref(tmp_path, monkeypatch):
     fl2va_root.mkdir()
     (fl2va_root / "model_index.json").write_text("{}", encoding="utf-8")
 
-    def fake_snapshot_download(*, repo_id, revision, allow_patterns):
+    def fake_snapshot_download(self, *, repo_id, revision, allow_patterns):
         assert repo_id == _MINIMAX_H3_REPO
         assert revision == _MINIMAX_H3_REVISION
         assert allow_patterns == ["FL2VA/**"]
         return str(tmp_path)
 
-    monkeypatch.setattr("huggingface_hub.snapshot_download", fake_snapshot_download)
+    monkeypatch.setattr("huggingface_hub.HfApi.snapshot_download", fake_snapshot_download)
     assert _resolve_fl2va_model_ref() == str(fl2va_root)