[BUG] Native installer reports success but binary missing on Void Linux

Description

Native installer completes with success message but no binary is created at ~/.local/bin/claude.

System

• OS: Void Linux (glibc)
• Arch: x86_64
• Shell: bash

Steps to Reproduce

1. Run curl -fsSL https://claude.ai/install.sh | bash
2. Installer outputs 'Claude Code successfully installed\!' with location ~/.local/bin/claude
3. Binary does not exist at that path
4. which claude returns nothing

Expected Behavior

Binary should exist at ~/.local/bin/claude after successful installation message.

Workaround

Using npm installation (npm install -g @anthropic-ai/claude-code) works fine.

Additional Context

Void Linux uses runit as init system. Not sure if relevant.