Addresses spec drift items #3, 5, 6, 7, 8, 9, 10, 11, 12 from #147: - transactional-emails: Resend → Nodemailer + SMTP - infrastructure: CX21 → cx23 - secret-management: single secrets.env → split app/infra files - brouter-integration: 5s failover delay → instant via clientID election - brouter-integration: 2 profiles → 5 (trekking, fastbike, safety, shortest, car) - observability: add version field to health response - observability: add brouter_request_duration_seconds metric - planner-session: remove 30-day max ceiling (not enforced) - shared-packages: clarify map package scope vs planner-specific features Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
All 85 tasks complete. Archive change to openspec/changes/archive/ and sync 9 capability specs to openspec/specs/ for future reference. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>