### What problem does this PR solve?
Add api for sessions and add max_tokens for tenant_llm
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
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Co-authored-by: liuhua <10215101452@stu.ecun.edu.cn>
### What problem does this PR solve?
feat: Delete Model Provider #2376
### Type of change
- [ ] Bug Fix (non-breaking change which fixes an issue)
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
#1771 add supprot for OpenAI-API-Compatible
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
---------
Co-authored-by: Zhedong Cen <cenzhedong2@126.com>
### What problem does this PR solve?
feat: delete the added model #503
feat: display an error message when the requested file fails to parse
#684
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
add support for ollama
Issue link:#221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
