ab7a6b5a57
- api/migrate-old-books.js: one-time migration endpoint with proper FBQ auth (token + admin login fallback); merges contents if both exist - fbq-backfill: diagnostic logging on listDir (401 confirms FBQ_TOKEN has no read permission in edge fn context) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>