system_notification marker occasionally leaks to users

### Describe the bug

<img width="774" height="374" alt="Image" src="https://github.com/user-attachments/assets/63df5f4e-fe97-4482-bcf4-fdfdb9960a25" />

### Affected version

1.0.34

### Steps to reproduce the behavior

_No response_

### Expected behavior

_No response_

### Additional context

_No response_