WIP lots of new tests and validation scenarios

Simulation tests to confirm threading and history traversal
Chain of communication and branching validation tests from live simulation
Temperature enforcement per model

providers/openai.py

@@ -6,7 +6,14 @@ import logging
 
 from openai import OpenAI
 
-from .base import ModelProvider, ModelResponse, ModelCapabilities, ProviderType
+from .base import (
+    ModelProvider, 
+    ModelResponse, 
+    ModelCapabilities, 
+    ProviderType,
+    FixedTemperatureConstraint,
+    RangeTemperatureConstraint
+)
 
 
 class OpenAIModelProvider(ModelProvider):
@@ -51,6 +58,14 @@ class OpenAIModelProvider(ModelProvider):
         
         config = self.SUPPORTED_MODELS[model_name]
         
+        # Define temperature constraints per model
+        if model_name in ["o3", "o3-mini"]:
+            # O3 models only support temperature=1.0
+            temp_constraint = FixedTemperatureConstraint(1.0)
+        else:
+            # Other OpenAI models support 0.0-2.0 range
+            temp_constraint = RangeTemperatureConstraint(0.0, 2.0, 0.7)
+        
         return ModelCapabilities(
             provider=ProviderType.OPENAI,
             model_name=model_name,
@@ -60,7 +75,7 @@ class OpenAIModelProvider(ModelProvider):
             supports_system_prompts=True,
             supports_streaming=True,
             supports_function_calling=True,
-            temperature_range=(0.0, 2.0),
+            temperature_constraint=temp_constraint,
         )
     
     def generate_content(