Autocomplete error with OpenRouter

Before submitting your bug report

• I believe this is a bug. I'll try to join the Continue Discord for questions
• I'm not able to find an open issue that reports the same bug
• I've seen the troubleshooting guide on the Continue Docs

Relevant environment info

- OS: MacOS 
- Continue version: 0.8.66
- IDE version: VsCode 1.96.2 (Universal)
- Model:deepseek/deepseek-chat
- config.json:

Description

I got this error when setup TabAutocompleteModel using OpenRouter

HTTP 400 Bad Request from https://openrouter.ai/api/v1/completions {"error":{"message":"Input required: specify "prompt"","code":400},"user_id":"user_2qHL97rYiokWtaA9iIesnFMgVkQ"}

Here is my settings:

{
        "title": "DeepSeek",
        "provider": "openrouter",
        "model": "deepseek/deepseek-chat",
        "apiKey": "",
        "apiBase": "https://openrouter.ai/api/v1",
        "contextLength": 2048
}

To reproduce

No response

Log output

No response