Printing over 2nd cell in wide character should delete wide character

[mitchellh]

Contour Terminal version

brew installed, unsure

Installer source

something else (please specify below)

Operating System

macOS 14

Architecture

AArch64

Other Software

No response

Steps to reproduce

#!/usr/bin/env bash
printf "橋"
printf "\033[D"
printf "X"
read

Expected Behavior

Terminal state should be X (note space prefix) according to behavior matching xterm, iTerm, urxvt, libvte-based terminals.

Actual Behavior

Terminal state became 橋X with the wide character taking 1 cell instead of 2.

Additional notes

No response

[christianparpart]

thanks, will do!