[BUG] Terminal State Corruption during /memory Command

Environment

• Platform (select one):
• [X] Anthropic API
• [ ] AWS Bedrock
• [ ] Google Vertex AI
• [ ] Other: <!-- specify -->
• Claude CLI version: 1.0.77
• Operating System: macOS 15.6
• Terminal: ghostty, contour, macos terminal
• EDITOR: vim, vim -u NONE, nano

Bug Description

When trying to navigate in /memory, the terminal state goes complete bonkers, the claude TUI seeps through, and nothing is showing in the right place:

<img width="2270" height="730" alt="Image" src="https://github.com/user-attachments/assets/c011bd20-a467-4410-8df4-82534cfdfb31" />

Steps to Reproduce

Open /memory move about a bit, observe that things are not good. Note that this also happens with vim -u NONE as EDITOR so it's not related to my vim config.

Expected Behavior

Terminal doesn't break.

Actual Behavior

Terminal breaks.

Additional Context