Follows the existing 99-eulerpool pattern: tracked .example template
with a placeholder, real 99-doffin file kept out of git.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Reinitialised repo to purge credential history.
Credential files are now gitignored with .example templates.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>