[BUG]: llmobs decorators do not have types

### Tracer Version(s)

3.x

### Python Version(s)

3.12

### Pip Version(s)

24

### Bug Report

Unlike tracer.wrap, there's no callable return with generics in llmobs decorators.  You loose all types and there' s lots of issues with python linters

### Reproduction Code

_No response_

### Error Logs

_No response_

### Libraries in Use

_No response_

### Operating System

_No response_