### What problem does this PR solve?
- [x] New Feature (non-breaking change which adds functionality)
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Co-authored-by: Yingfeng <yingfeng.zhang@gmail.com>
Co-authored-by: Jin Hai <haijin.chn@gmail.com>
### What problem does this PR solve?
feat: send question with retrieval api #2247
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
feat: Align the cards on the Model Providers page #2111
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
fix: #567 use modal to upload files in the knowledge base
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
