[BUG] Cursor is not visible when FORCE_COLOR=0

Environment

• Platform (select one):
• [X] Anthropic API
• [ ] AWS Bedrock
• [ ] Google Vertex AI
• [ ] Other: <!-- specify -->
• Claude CLI version: 1.0.44 (Claude Code)
• Operating System: Debian 12 (bookworm)
• Terminal: putty

Bug Description

When FORCE_COLOR=0 no cursor is shown in the Claude cli.

Steps to Reproduce

1. export FORCE_COLOR=0
2. Run claude

Expected Behavior

A cursor should be visible so I can see where I'm typing

Actual Behavior

I can still type, but it's hard to tell what I'm doing, especially if I use the arrow keys to modify the middle of my line of text.

Additional Context