diff --git a/py/src/braintrust/contrib/temporal/__init__.py b/py/src/braintrust/contrib/temporal/__init__.py
index 61e4397e..b25a3946 100644
--- a/py/src/braintrust/contrib/temporal/__init__.py
+++ b/py/src/braintrust/contrib/temporal/__init__.py
@@ -421,21 +421,21 @@ def __init__(self, logger: Any | None = None) -> None:
 
         params = inspect.signature(SimplePlugin.__init__).parameters
 
-        # temporalio >= 1.23.0 merged client_interceptors/worker_interceptors
-        # into a single `interceptors` parameter.
+        # temporalio plugin APIs differ by version. Newer releases may expose
+        # a merged `interceptors` kwarg, while older releases keep separate
+        # client/worker interceptor kwargs. Build kwargs dynamically so pylint
+        # does not validate unsupported keywords against the installed version.
+        kwargs: dict[str, Any] = {
+            "name": "braintrust",
+            "workflow_runner": _modify_workflow_runner,
+        }
         if "interceptors" in params:
-            super().__init__(  # pylint: disable=unexpected-keyword-arg
-                name="braintrust",
-                interceptors=[interceptor],
-                workflow_runner=_modify_workflow_runner,
-            )
+            kwargs["interceptors"] = [interceptor]
         else:
-            super().__init__(
-                name="braintrust",
-                client_interceptors=[interceptor],
-                worker_interceptors=[interceptor],
-                workflow_runner=_modify_workflow_runner,
-            )
+            kwargs["client_interceptors"] = [interceptor]
+            kwargs["worker_interceptors"] = [interceptor]
+
+        super().__init__(**kwargs)
 
 
 __all__ = ["BraintrustInterceptor", "BraintrustPlugin"]
diff --git a/py/src/braintrust/wrappers/test_pydantic_ai_integration.py b/py/src/braintrust/wrappers/test_pydantic_ai_integration.py
index b794b18b..5dc1007c 100644
--- a/py/src/braintrust/wrappers/test_pydantic_ai_integration.py
+++ b/py/src/braintrust/wrappers/test_pydantic_ai_integration.py
@@ -50,7 +50,13 @@ def _assert_metrics_are_valid(metrics, start, end):
     assert "end" in metrics
     assert "duration" in metrics
     assert start <= metrics["start"] <= metrics["end"] <= end
-    assert metrics["duration"] > 0
+    assert metrics["duration"] >= 0
+    assert metrics["duration"] == pytest.approx(metrics["end"] - metrics["start"], abs=1e-9)
+
+    # Windows can report identical timestamps for very fast synchronous operations,
+    # so duration may legitimately be 0.0 for those spans.
+    if metrics["end"] > metrics["start"]:
+        assert metrics["duration"] > 0
 
     # Token metrics (if present)
     if "tokens" in metrics: