A 150-Line Rust CLI That Renders QR Codes in Your Terminal — Half-Block Characters Pack Two Modules per Cell

The "open this URL on your phone" problem: your laptop is showing a deploy preview, your phone is on the desk, and copying-pasting a long URL between them is awkward. ascii-qr "https://..." prints a QR code right in the terminal — your phone scans it from across the desk, you're done. 150 lines of R