* add reasoning_tokens into usage info initial commit
* add unit tests
* modify unit test
* modify and add unit tests
* fix unit test
* move steam usage to processor
* modify processor
* modify test_logprobs
* modify test_logprobs.py
* modify stream reasoning tokens accumulation
* fix unit test
* [feat] completion api supports passing input token ids in either `prompt` or `prompt_token_ids`
* [fix] update comment
* [fix] fix type error
* [test] add a unittest file for serving api test
* [test] try to fix ci error
* [chore] rename test function names
* [test] try to fix ci error
* [test] try to fix ci error
* [test] add tests for qwen
