add more comments

python/sglang/backend/openai.py

@@ -154,6 +154,8 @@ def generate(
                             "Example of adding api speculative execution: @function(num_api_spec_tokens=128)."
                         )
                     prompt = s.messages_
+                    # Open AI model requires function call information to be sent to the model
+                    # along with the prompt.
                     for function_call in s.function_calls:
                         prompt.append(function_call)
                 else:

python/sglang/lang/interpreter.py

@@ -762,6 +762,8 @@ def text(self):
         return self.stream_executor.text()
 
     def messages(self):
+        # We do not want to expose tool use information to users in the final response, 
+        # so removing the auxillary information from final messages.
         filtered_list = [
             item
             for item in self.stream_executor.messages()