refactor: improve comments for clarity in tool_choice reset logic

Author: mini-peanut

src/agents/_run_impl.py

@@ -216,22 +216,19 @@ async def execute_tools_and_side_effects(
                 run_config.model_settings and
                 cls._should_reset_tool_choice(run_config.model_settings, tools)
             ):
-                # Also update the run_config model settings with a copy
+                # update the run_config model settings with a copy
                 new_run_config_settings = dataclasses.replace(
                     run_config.model_settings,
                     tool_choice="auto"
                 )
-                # Create a new run_config with the new settings
                 run_config = dataclasses.replace(run_config, model_settings=new_run_config_settings)
 
-            # Only reset in the problematic scenarios where loops are likely unintentional
             if cls._should_reset_tool_choice(agent.model_settings, tools):
                 # Create a modified copy instead of modifying the original agent
                 new_model_settings = dataclasses.replace(
                     agent.model_settings,
                     tool_choice="auto"
                 )
-                # Create a new internal agent with updated settings
                 agent = dataclasses.replace(agent, model_settings=new_model_settings)
 
         # Second, check if there are any handoffs