[Bug Report]: text content blocks must be non-empty

[PepperPlatypus]

Version

0.3.1

Issue Type

• Select a issue type 👇
• Agent TARS Web UI (@agent-tars/web-ui)
• Agent TARS CLI (@agent-tars/server)
• Agent TARS Server (@agent-tars/server)
• Agent TARS (@agent-tars/core)
• MCP Agent (@mcp-agent/core)
• Agent Kernel (@multimodal/agent)
• Other (please specify in description)

Model Provider

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• Volcengine
• Anthropic
• OpenAI
• Azure OpenAI
• Other (please specify in description)

Problem Description

Error in agent execution: Error: 400 {"type":"error","error":{"type":"invalid_request_error","message":"messages: text content blocks must be non-empty"}}

Error Logs

Error in agent execution: Error: 400 {"type":"error","error":{"type":"invalid_request_error","message":"messages: text content blocks must be non-empty"}}

[PepperPlatypus]

So it tried using google to get to the search news, and google blocked it on captcha. After that i had to cancel the request because it was taking a lot longer. might be related issue