fixes for all providers

llama_stack/providers/utils/inference/model_registry.py

@@ -5,13 +5,35 @@
 # the root directory of this source tree.
 
 from collections import namedtuple
-from typing import List
+from typing import List, Optional
+
+from llama_models.datatypes import CoreModelId
+from llama_models.sku_list import all_registered_models
 
 from llama_stack.providers.datatypes import Model, ModelsProtocolPrivate
 
 ModelAlias = namedtuple("ModelAlias", ["provider_model_id", "aliases", "llama_model"])
 
 
+def get_huggingface_repo(core_model_id: CoreModelId) -> Optional[str]:
+    """Get the Hugging Face repository for a given CoreModelId."""
+    for model in all_registered_models():
+        if model.core_model_id == core_model_id:
+            return model.huggingface_repo
+    return None
+
+
+def build_model_alias(provider_model_id: str, core_model_id: CoreModelId) -> ModelAlias:
+    return ModelAlias(
+        provider_model_id=provider_model_id,
+        aliases=[
+            core_model_id.value,
+            get_huggingface_repo(core_model_id),
+        ],
+        llama_model=core_model_id.value,
+    )
+
+
 class ModelLookup:
     def __init__(
         self,