[Issue] not enough Credits Error Despite Available Balance

### What happened?

Although my account balance shows 80 available credits, the system blocks generation and displays an error message stating that the OpenRouter account has insufficient credits.

<img width="1908" height="910" alt="Image" src="https://github.com/user-attachments/assets/b2e5b31a-baed-4f68-90e3-fd96a47f792c" />

### Contact email (optional)

noraansameh70@gmail.com