[Bug]:The skills configured through yml do not take effect when adapting to the A2A protocol

<img width="1017" height="645" alt="Image" src="https://github.com/user-attachments/assets/8b17a69a-0fa0-4239-91d7-4f05326a697c" />
The skills configured in this way do not take effect, and the skills are not automatically registered in the tool. Support for the corresponding function is required