Performance regression after v2.1.16

Environment

• Platform: Linux (PRoot-Distro)
• OS Version: Linux 6.17.0-PRoot-Distro
• Node version: (standard installation)

Issue

Significant performance degradation in all versions after 2.1.16. Every action in the TUI becomes noticeably slower.

Steps to Reproduce

1. Use claude-code v2.1.16 - works fine
2. Upgrade to any version > 2.1.16
3. Notice overall slowdown in all operations

Expected Behavior

Performance should be similar to v2.1.16

Actual Behavior

All TUI operations are slower after upgrading from v2.1.16

Workaround

Downgrade to v2.1.16:

npm install -g @anthropic-ai/claude-code@2.1.16