Opencode freezes when pressing `option` + left arrow key on MacBook with high CPU usage

When I'm in opencode, and I press `option` + left arrow key, opencode freezes and I notice this process that spikes:

<img width="270" height="85" alt="Image" src="https://github.com/user-attachments/assets/a3c46413-7590-4039-9933-f9b69f0535fe" />