Unclear Error Descriptions in DevChat During Workflow Execution

[yangbobo2021]

The error descriptions in DevChat are currently not clear, especially during the execution of workflows. This issue affects the ability to diagnose and resolve problems efficiently.

Steps to reproduce:

1. Trigger a workflow in DevChat.
2. Observe the error messages displayed during the workflow execution.

Expected behavior:
Error messages should provide clear and detailed information about the issue, facilitating quick troubleshooting.

Current behavior:
Error messages are vague and do not offer sufficient details to understand the underlying problem.

Suggestions for improvement:

• Enhance the error logging mechanism to include more context and specifics about the error.
• Consider implementing a more user-friendly error reporting format.
• Review and update existing error messages to ensure clarity and usefulness.

[yangbobo2021]

对于权限类错误，例如账户余额不足、KEY错误等，需要自动结束工作流执行，并输出错误描述。
对于服务器错误，例如模型不支持，需要自动结束工作流执行，并输出错误描述。