Captures all findings from the 2026-08-07 debugging session:
print flow diagram, DoPrint error codes, which commits changed what,
hypotheses explored/ruled out, and next steps once the -debug log
is available.
Co-authored-by: Claude Sonnet 4.6 (Anthropic) <noreply@anthropic.com>
Co-authored-by: GitHub Copilot <copilot@github.com>
