fix: rename llama_stack_api dir

the directory structure was src/llama-stack-api/llama_stack_api

instead it should just be src/llama_stack_api to match the other packages.

update the structure and pyproject/linting config

Signed-off-by: Charlie Doern <cdoern@redhat.com>

tests/unit/registry/test_registry.py

@@ -6,7 +6,6 @@
 
 
 import pytest
-from llama_stack_api import Model, VectorStore
 
 from llama_stack.core.datatypes import VectorStoreWithOwner
 from llama_stack.core.storage.datatypes import KVStoreReference, SqliteKVStoreConfig
@@ -16,6 +15,7 @@ from llama_stack.core.store.registry import (
     DiskDistributionRegistry,
 )
 from llama_stack.providers.utils.kvstore import kvstore_impl, register_kvstore_backends
+from llama_stack_api import Model, VectorStore
 
 
 @pytest.fixture
@@ -303,9 +303,8 @@ async def test_double_registration_different_objects(disk_dist_registry):
 
 async def test_double_registration_with_cache(cached_disk_dist_registry):
     """Test double registration behavior with caching enabled."""
-    from llama_stack_api import ModelType
-
     from llama_stack.core.datatypes import ModelWithOwner
+    from llama_stack_api import ModelType
 
     model1 = ModelWithOwner(
         identifier="test_model",

tests/unit/registry/test_registry_acl.py

@@ -5,10 +5,9 @@
 # the root directory of this source tree.
 
 
-from llama_stack_api import ModelType
-
 from llama_stack.core.datatypes import ModelWithOwner, User
 from llama_stack.core.store.registry import CachedDiskDistributionRegistry
+from llama_stack_api import ModelType
 
 
 async def test_registry_cache_with_acl(cached_disk_dist_registry):