Amr Gharbeia 1884372660 fix: use blocking read-char via listen for reliable input ...

read-char-no-hang on fd 0 streams never returns data because
sb-unix:unix-simple-poll on fd 0 returns NIL in this SBCL
environment. Switched to (listen tty) + (read-char tty) which
blocks until a key is pressed — correct interactive TUI behavior.
Also switched from (open "/dev/tty") to
(sb-sys:make-fd-stream 0 :input t :buffering :none) to directly
read from stdin.

2026-05-14 09:02:02 -04:00

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