[BUG] Prompt line not visible with `CI` env var is set

Environment

• Platform (select one):
• [x] Anthropic API
• [ ] AWS Bedrock
• [ ] Google Vertex AI
• [ ] Other:
• Claude CLI version: 0.2.57
• Operating System: macOS 15.3.2 (24D81)
• Terminal: iTerm2, wezterm

Bug Description

No command prompt is visible when env var CI is set.

Steps to Reproduce

unset CI
claude
# see that it works
export CI=true
claude
# see that it doesn't work

Expected Behavior

Expect to be able to see your text and the questions from claude.

Actual Behavior

Not visible

Additional Context

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