feat(runtime): promote unary endpoint helpers

lib/bindings/python/src/dynamo/llm/__init__.py

@@ -61,6 +61,8 @@
 except ImportError:
     pass
 
+from ._unary import LLMUnaryClient as LLMUnaryClient
+from ._unary import with_engine_data as with_engine_data
 from .exceptions import HttpError
 from .exceptions import RouterQueueLimitExceeded as RouterQueueLimitExceeded
 

lib/bindings/python/src/dynamo/runtime/__init__.py

@@ -17,6 +17,9 @@
 from dynamo._core import Endpoint as Endpoint
 from dynamo._core import PyAsyncRequestStream as PyAsyncRequestStream
 
+from ._unary import UnaryClient as UnaryClient
+from ._unary import serve_unary_endpoint as serve_unary_endpoint
+
 
 def dynamo_worker(enable_nats: Optional[bool] = None):
     """

lib/bindings/python/tests/test_experimental_unary.py → lib/bindings/python/tests/test_exported_unary_integration.py

@@ -10,9 +10,12 @@
 import pytest
 
 from dynamo._core import Context
-from dynamo.experimental.endpoint import UnaryClient, serve_unary_endpoint
-from dynamo.experimental.llm import LLMUnaryClient
+from dynamo.llm import LLMUnaryClient
+from dynamo.runtime import UnaryClient, serve_unary_endpoint
 
+# Keep this module sorted before the non-forked request-plane tests. Those tests
+# initialize the process-wide Rust runtime in the pytest parent, whose worker
+# threads cannot be inherited safely by this module's forked test processes.
 pytestmark = [
     pytest.mark.asyncio,
     pytest.mark.forked,

components/src/dynamo/experimental/tests/test_llm.py → lib/bindings/python/tests/test_llm_unary.py

@@ -7,7 +7,7 @@
 
 import pytest
 
-from dynamo.experimental.llm import LLMUnaryClient, with_engine_data
+from dynamo.llm import LLMUnaryClient, with_engine_data
 
 pytestmark = [
     pytest.mark.parallel,

components/src/dynamo/experimental/tests/test_endpoint.py → lib/bindings/python/tests/test_unary.py

@@ -7,7 +7,7 @@
 
 import pytest
 
-from dynamo.experimental.endpoint import UnaryClient, serve_unary_endpoint
+from dynamo.runtime import UnaryClient, serve_unary_endpoint
 
 pytestmark = [
     pytest.mark.asyncio,