Interface randomly renders with corrupted/garbled fonts (Matrix-like characters)

The Claude Code interface occasionally renders text with corrupted or garbled fonts, making the content unreadable. The characters appear as random symbols resembling Matrix or Star Trek-style glyphs.

Environment

• macOS (Darwin 25.3.0)
• VS Code with Claude Code extension
• Terminal: zsh

Steps to reproduce

• Appears to happen randomly during normal use
• Interface text becomes unreadable with strange character encoding

Expected behavior

Text should render in standard monospace font consistently.

Actual behavior

Text randomly changes to unrecognizable symbols/glyphs across the entire interface.

Screenshot

See attached screenshot showing the garbled text rendering.