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1. Is this request related to a challenge you're experiencing? Tell me about your story.

I need to import some Q&A text，I don't need LLM to generate results for me。
Same question #4664 #6904 #7735 #7430
I modified the code to support excel and csv uploading qa files。
The processing logic is that when there are only two columns in csv or excel and qa mode is selected, the LLM will not be called。

2. Additional context or comments

No response

3. Can you help us with this feature?

• I am interested in contributing to this feature.