go-task 3.51.1 read the unquoted scalar 'echo "gofmt: files..."' as a
key:value mapping, failing every task with 'invalid keys in command' and
blocking the whole quality gate (not just the acceptance suite). Wrap the
command in an explicit double-quoted YAML scalar.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>