Sort ShellCheck warnings by the failure they prevent

Sort each warning or snippet into the fix pattern it needs. Quote to preserve arguments Separate assignment from declaration Guard directory changes Avoid parsing display output SC2086 on rm $target cp $src $dest fails on Q4 final.csv SC2155 on local token=$(get_token) export VERSION=$(tool --version) always appears to succeed SC2164 on cd "$release_dir" before deleting files cd "$dir"; rm -f .tmp continues from the old directory if cd fails SC2012 on for f in $(ls .csv) ls output splits a filename containing spaces or newlines

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