The decorative banner under the title wasn't in a fenced code block, so GitHub's
markdown collapsed its leading whitespace and joined the box-drawing rules,
rendering the ASCII art misaligned instead of monospace-as-typed (issue #1390).
Fence it; the H1 title stays a real heading.
Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
