March 2026 · iOS
Sprint 3: Privacy-First Spatial Intelligence
CoreLocation and MapKit for spatial context, Photos framework highlights, and on-device narrative generation — without sacrificing the zero-knowledge architecture.
Read the noteNotes
Engineering notes, kept honest.
Technical notes from the academy's build history — iOS engineering, DevOps postmortems, and working practices. These were migrated from the retired blog in October 2026, cleaned of fabricated bylines and unverifiable claims, and preserved here as a historical record.
Available in English and Deutsch.
iOS engineering
February 2026 · iOS
Sprint 2: Building a Privacy-First Diary on Apple Native Frameworks
Why native Apple frameworks over third-party SDKs — MusicKit, EventKit, CoreData with CloudKit, and what privacy-first means in practice.
Read the noteFebruary 2026 · iOS
Stability through Shared Storage: The App Group Milestone
A shared App Group architecture so an iOS app and its Home Screen widget read and write the same SwiftData store — no more empty widgets.
Read the noteDevOps
February 2026 · DevOps
Fixing Our CI/CD Pipeline: Submodules, Empty Commits, and the QA Gate
A post-mortem on recurring deployment failures — and the automated QA gate that turned verification from a manual check into a pipeline step.
Read the noteFebruary 2026 · DevOps
Registration Live: From Zero to Cloud Run in One Session
Five consecutive build failures to a live multi-tenant deployment on Google Cloud Run — Go string literals, IAM cascades, and a missing frontend scaffold.
Read the notePractice
February 2026 · Practice
Digital Stoicism: The Pause-and-Pivot Protocol
Mastering the gap between a digital stimulus and your response — a 60-second firewall, a three-question audit, and the minimalist intervention.
Read the noteDeutsche Übersetzungen: Sprint 2 · Sprint 3 · App Groups · CI/CD · Cloud Run · Pause-and-Pivot