**Describe the bug** When using `GPT5` via OpenAI then I see many empty thoughts block. I don't see this problem with any other provider. **To Reproduce** Give GPT5 any more complicated and multi-step prompt. **Expected behavior** 0 empty thought blocks **Screenshots** <img width="582" height="314" alt="Image" src="https://github.com/user-attachments/assets/f573f9ee-0b68-4b6b-9f57-a7a542af638a" />