supported custom agent (inclusionAI#590)

* supported custom agent;
* config for qwen3-32B
* add sample file for examples

aworld version update

print answer

be_tool fix

Merge pull request inclusionAI#462 from inclusionAI/aworld_wechat_0910

Update aworld_wechat.png

update examples (inclusionAI#332)

trace agent flow bugfix (inclusionAI#328)

remove default tool