### Describe the issue <img width="824" height="552" alt="Image" src="https://github.com/user-attachments/assets/0f52eb36-03be-477d-af9d-e7b4a175d45e" /> As described in the support hooks section of unplugin, the writeBundle hook currently receives no arguments when a plugin runs in Rspack. <img width="869" height="474" alt="Image" src="https://github.com/user-attachments/assets/dd783ed7-653c-42dc-8b78-cb4b920435e9" /> ### Expected behavior falls back to creating stylex.css if none exist. ### Steps to reproduce unplugin 2.3.11 @stylexjs/unplugin 0.17.3 @rspack/core 1.6.7 ### Test case _No response_ ### Additional comments _No response_