fix: guard exec < /dev/tty with || true for set -e safety

exec < /dev/tty can fail even when the file exists (e.g. "Device not
configured"). Under set -e this kills the script.

Author: fullstackjam

scripts/install.sh

@@ -95,7 +95,7 @@ main() {
     # When run via "curl | bash", stdin is the script content, not the terminal.
     # Reopen stdin from /dev/tty so interactive prompts (read, sudo, Homebrew) work.
     if [[ ! -t 0 ]] && [[ -e /dev/tty ]]; then
-        exec < /dev/tty
+        exec < /dev/tty || true
     fi
 
     local snapshot_mode=false