Rust/egui app with Nord theme and embedded Brass Mono font.
Left pane for editable source text, right pane shows redacted preview.
Select text and Ctrl+R to toggle redaction (whitespace preserved).
Ctrl+Q to quit, copy-redacted button for clipboard export.
Includes Nix flake devshell and direnv integration.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
