Insufficient guardrail bypass for Gemini models

Team user has an issue using Gemini with Shift.

Seems to affect the following models:
- 3.1 pro
- 3 flash

<img width="982" height="361" alt="Image" src="https://github.com/user-attachments/assets/8d1051d0-444b-45dd-97b3-592bd0e02aa8" />