Aevenna

[ FIG.01 ] BRIEF

The anchor sentence every feature is tested against: we help people turn time into a calm, intentional path toward the life they want. The system holds the plan so the user does not have to, and daily actions add up without guilt or pressure.

[ FIG.02 ] OFFLINE-FIRST

The device is the source of truth. The app is Swift 6, SwiftUI and SwiftData (32k lines, 571 tests); a Go service (25k lines, 422 tests) provides email-first auth with OAuth and one-time codes and row-level last-write-wins replication across devices, with soft deletes and an outbox so nothing is lost offline.

[ FIG.03 ] PRIVACY

Health checks are end-to-end encrypted with AES-GCM-256 and an iCloud Keychain key ring, taken only with explicit consent, and hard-deleted on withdrawal. The feature was engineered to be useful without interpreting anything, which keeps it outside medical-device scope.

[ FIG.04 ] PLATFORM

Infrastructure is AWS CDK on Lightsail, cost-first; the marketing site is Next.js and live at aevenna.com. Both of my apps share Keel, a small Swift package I maintain for API transport, single-flight token refresh, Keychain storage and Google sign-in.