feat: refactor OpenAI wrapper to use API client factory

- Use APIClientFactory to get API client instance
- Set API key on global settings object
- Remove direct Client instantiation

src/asteroid_sdk/registration/initialise_project.py

@@ -35,8 +35,11 @@ def asteroid_init(
         api_key: Optional API key to override the default from environment variables
     """
     if api_key:
-        # If the user provided an API key, override the client in settings
+        # 1) Set the key on the global settings object
         logging.info("Overriding API key env variable with provided API key")
+        settings.api_key = api_key
+
+        # 2) Overwrite the API client directly
         APIClientFactory._instance = Client(
             base_url=settings.api_url,
             headers={"X-Asteroid-Api-Key": api_key}
@@ -53,7 +56,7 @@ def asteroid_init(
     supervision_config.set_execution_settings(execution_settings)
 
     register_tools_and_supervisors_from_registry(run_id=run_id, 
-                                               message_supervisors=message_supervisors)
+                                                 message_supervisors=message_supervisors)
 
     return run_id
 

src/asteroid_sdk/wrappers/openai.py

@@ -25,6 +25,8 @@
 from asteroid_sdk.supervision.helpers.openai_helper import OpenAiSupervisionHelper
 from asteroid_sdk.api.generated.asteroid_api_client.api.run.get_run import sync as get_run_sync
 
+from asteroid_sdk.registration.helper import APIClientFactory
+
 # Conditionally import Langfuse if enabled
 if settings.langfuse_enabled:
     try:
@@ -288,10 +290,9 @@ def asteroid_openai_client(
         raise ValueError("Invalid OpenAI client: missing chat attribute")
 
     try:
-        client = Client(
-            base_url=settings.api_url,
-            headers={"X-Asteroid-Api-Key": f"{settings.api_key}"},
-        )
+        # Get the client from the factory
+        client = APIClientFactory.get_client()
+
         supervision_manager = _create_supervision_manager(client)
         openai_client.chat.completions = CompletionsWrapper(
             openai_client.chat.completions, supervision_manager, run_id, execution_mode