Fix: gh_report_command_failure loses argument boundaries in error message

[codeforester]

Summary

gh_report_command_failure in lib/bash/gh/lib_gh.sh uses $* to format the failing command in its error message, causing arguments with embedded spaces to lose their boundaries.

Root cause

gh_report_command_failure() {
    local status="$1"
    shift

    log_error "GitHub command failed: gh $*"   # ← $* joins args with IFS (space)
    ...
}

$* inside double quotes expands positional parameters joined by the first character of IFS (a space). An invocation like:

gh_run issue create --title "my PR title"

logs:

GitHub command failed: gh issue create --title my PR title

The quoted argument boundary is gone. A reader cannot tell whether my PR title is one argument or three.

Fix

Use printf '%q ' to build a shell-quoted representation:

local printable_args
printf -v printable_args '%q ' "$@"
log_error "GitHub command failed: gh ${printable_args% }"

This matches how __std_run_impl__ formats commands for its error messages.