refactor(tracing): remove dead TemporalTracing wrapper models

The wrappers never implemented abstract stream_response, so TemporalTracingModelProvider.get_model() raised TypeError on every call since introduction; no working callers can exist. The streaming provider plus run.py hooks are the live tracing path.

Author: levilentz

src/agentex/lib/core/temporal/plugins/__init__.py

@@ -11,7 +11,6 @@
 Example:
     >>> from agentex.lib.core.temporal.plugins.openai_agents import (
     ...     TemporalStreamingModelProvider,
-    ...     TemporalTracingModelProvider,
     ...     ContextInterceptor,
     ... )
     >>> from temporalio.contrib.openai_agents import OpenAIAgentsPlugin, ModelActivityParameters
@@ -37,7 +36,6 @@
     ContextInterceptor,
     TemporalStreamingHooks,
     TemporalStreamingModel,
-    TemporalTracingModelProvider,
     TemporalStreamingModelProvider,
     streaming_task_id,
     streaming_trace_id,
@@ -48,7 +46,6 @@
 __all__ = [
     "TemporalStreamingModel",
     "TemporalStreamingModelProvider",
-    "TemporalTracingModelProvider",
     "ContextInterceptor",
     "streaming_task_id",
     "streaming_trace_id",

src/agentex/lib/core/temporal/plugins/openai_agents/__init__.py

@@ -61,9 +61,6 @@
 from agentex.lib.core.temporal.plugins.openai_agents.hooks.activities import (
     stream_lifecycle_content,
 )
-from agentex.lib.core.temporal.plugins.openai_agents.models.temporal_tracing_model import (
-    TemporalTracingModelProvider,
-)
 from agentex.lib.core.temporal.plugins.openai_agents.models.temporal_streaming_model import (
     TemporalStreamingModel,
     TemporalStreamingModelProvider,
@@ -78,7 +75,6 @@
 __all__ = [
     "TemporalStreamingModel",
     "TemporalStreamingModelProvider",
-    "TemporalTracingModelProvider",
     "ContextInterceptor",
     "streaming_task_id",
     "streaming_trace_id",

src/agentex/lib/core/temporal/plugins/openai_agents/models/__init__.py

@@ -4,11 +4,6 @@
 capabilities to standard OpenAI models when running in Temporal workflows/activities.
 """
 
-from agentex.lib.core.temporal.plugins.openai_agents.models.temporal_tracing_model import (
-    TemporalTracingModelProvider,
-    TemporalTracingResponsesModel,
-    TemporalTracingChatCompletionsModel,
-)
 from agentex.lib.core.temporal.plugins.openai_agents.models.temporal_streaming_model import (
     TemporalStreamingModel,
     TemporalStreamingModelProvider,
@@ -17,7 +12,4 @@
 __all__ = [
     "TemporalStreamingModel",
     "TemporalStreamingModelProvider",
-    "TemporalTracingModelProvider",
-    "TemporalTracingResponsesModel",
-    "TemporalTracingChatCompletionsModel",
 ]