### What problem does this PR solve?
Add id for table tenant_llm and apply in LLMBundle.
### Type of change
- [x] Refactoring
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Co-authored-by: Yingfeng <yingfeng.zhang@gmail.com>
Co-authored-by: Liu An <asiro@qq.com>
### What problem does this PR solve?
Fix error when extracting the graph.
A string is expected, but a tuple was provided.
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
