docs: update openai comment block

Author: mwbrooks

listeners/assistant/assistant.py

@@ -125,7 +125,8 @@ def respond_in_assistant_thread(
             thread_ts=thread_ts,
         )
 
-        # use of this for loop is specific to openai response method
+        # Loop over OpenAI response stream
+        # https://platform.openai.com/docs/api-reference/responses/create
         for event in returned_message:
             if event.type == "response.output_text.delta":
                 streamer.append(markdown_text=f"{event.delta}")

listeners/events/app_mentioned.py

@@ -41,7 +41,8 @@ def app_mentioned_callback(client: WebClient, event: dict, logger: Logger, say:
             thread_ts=thread_ts,
         )
 
-        # use of this for loop is specific to openai response method
+        # Loop over OpenAI response stream
+        # https://platform.openai.com/docs/api-reference/responses/create
         for event in returned_message:
             if event.type == "response.output_text.delta":
                 streamer.append(markdown_text=f"{event.delta}")