Set default model activity timeout to 60s (#941)

* Set default model activity timeout to 60s

* Make model activity params optional

Author: tconley1428

temporalio/contrib/openai_agents/model_parameters.py

@@ -20,7 +20,7 @@ class ModelActivityParameters:
     task_queue: Optional[str] = None
     """Specific task queue to use for model activities."""
 
-    schedule_to_close_timeout: Optional[timedelta] = None
+    schedule_to_close_timeout: Optional[timedelta] = timedelta(seconds=60)
     """Maximum time from scheduling to completion."""
 
     schedule_to_start_timeout: Optional[timedelta] = None

temporalio/contrib/openai_agents/temporal_openai_agents.py

@@ -1,26 +1,23 @@
 """Initialize Temporal OpenAI Agents overrides."""
 
 from contextlib import contextmanager
-from datetime import timedelta
 from typing import Optional
 
 from agents import set_trace_provider
 from agents.run import get_default_agent_runner, set_default_agent_runner
 from agents.tracing import get_trace_provider
 from agents.tracing.provider import DefaultTraceProvider
 
-from temporalio.common import Priority, RetryPolicy
 from temporalio.contrib.openai_agents._openai_runner import TemporalOpenAIRunner
 from temporalio.contrib.openai_agents._temporal_trace_provider import (
     TemporalTraceProvider,
 )
 from temporalio.contrib.openai_agents.model_parameters import ModelActivityParameters
-from temporalio.workflow import ActivityCancellationType, VersioningIntent
 
 
 @contextmanager
 def set_open_ai_agent_temporal_overrides(
-    model_params: ModelActivityParameters,
+    model_params: Optional[ModelActivityParameters] = None,
     auto_close_tracing_in_workflows: bool = False,
 ):
     """Configure Temporal-specific overrides for OpenAI agents.
@@ -41,11 +38,15 @@ def set_open_ai_agent_temporal_overrides(
 
     Args:
         model_params: Configuration parameters for Temporal activity execution of model calls.
+        auto_close_tracing_in_workflows: If set to true, close tracing spans immediately.
 
     Returns:
         A context manager that yields the configured TemporalTraceProvider.
 
     """
+    if model_params is None:
+        model_params = ModelActivityParameters()
+
     if (
         not model_params.start_to_close_timeout
         and not model_params.schedule_to_close_timeout