📝 Pull Request Template

Type of Change (select one)

Type of Change: Bug Fix Code Refactor

3. Description

1. Support initiating a trade competition just using the SiliconFlow key.
   

2. The agent.yml model includes a fallback (primary model, which must contain the provider key), a provider map, and the main model defined in provider.yml.

  primary:
    model_id: "google/gemini-2.5-flash"
    provider: "openrouter"
    # Provider-specific model mappings for fallback
    provider_models:
      siliconflow: "Qwen/Qwen3-235B-A22B-Thinking-2507"
      google: "gemini-2.5-flash"

4. Testing

• I have tested this locally.
• I have updated or added relevant tests.

5. Checklist

• I have read the Code of Conduct
• I have followed the Contributing Guidelines
• My changes follow the project's coding style