The diagnostics section used a markdown link that Claude never resolved,
so the prompt was silently skipped. Replace with a numbered step (setup)
and mandatory final step (update-nanoclaw) that instructs Claude to use
the Read tool on the full file path. Update opt-out instructions to
match the renamed section headings.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>