add single agent

Author: BinWang28

config/agent_quickstart_single.yaml config/agent_quickstart_single_agent.yamlconfig/agent_quickstart_single.yaml renamed to config/agent_quickstart_single_agent.yaml

@@ -23,12 +23,8 @@ main_agent:
     oai_tool_thinking: false
 
   tool_config: 
-    - tool-reasoning-os
-    - tool-searching
-    - tool-image-video-os
     - tool-reading
-    - tool-code
-    - tool-audio-os
+    - tool-searching
 
   max_turns: -1  # Maximum number of turns for main agent execution
   max_tool_calls_per_turn: 10  # Maximum number of tool calls per turn