[BUG] Unable to use OpenAI token , Need to provide GEMINI_API_KEY

### Expected Behavior

Even if i set up the `OPENAI_API_KEY` and `OPENAI_DEPLOYMENT_NAME` the cli keep ruqesting GEMINI_API_KEY

### Actual Behavior

Getting error 
```
creating llm client: GEMINI_API_KEY environment variable not set
```

### Steps To Reproduce

_No response_

### Are you willing to submit PRs to contribute to this bug fix?

- [ ] Yes, I am willing to implement it.