Ingo Terpelle — NotebookField notes on AI-assisted development, software architecture and engineering practice.https://ingo-terpelle.de/en-USCompliance Is an Architecture Property, Not an Add-Onhttps://ingo-terpelle.de/en/notebook/compliance-ist-architektur/https://ingo-terpelle.de/en/notebook/compliance-ist-architektur/The EU AI Act and GDPR cannot be layered onto a finished system. Trying to do it that way means building twice — and the second build is always more expensive.Wed, 06 May 2026 00:00:00 GMTcomplianceeu-ai-actdsgvoauditarchitekturAI Assistance Amplifies — It Doesn't Judgehttps://ingo-terpelle.de/en/notebook/ki-assistenz-verstaerkt/https://ingo-terpelle.de/en/notebook/ki-assistenz-verstaerkt/A language model makes a good developer faster and a careless one more dangerous. Why the tool has no opinion about which one you are — and what that means for teams.Wed, 22 Apr 2026 00:00:00 GMTki-entwicklungllmteamquality-gatesmodell-routingThe Most Expensive Line of Code Is the One You Write Twicehttps://ingo-terpelle.de/en/notebook/teuerste-zeile-code/https://ingo-terpelle.de/en/notebook/teuerste-zeile-code/Why Discovery-First isn't process overhead — it's the cheapest insurance against duplicated work. And what happens when you skip it.Thu, 12 Mar 2026 00:00:00 GMTengineering-praxisdiscoverydrycode-qualitätreviewThe Invisible Half: What Lies Between Demo and Productionhttps://ingo-terpelle.de/en/notebook/prototyp-produktion-unsichtbare-haelfte/https://ingo-terpelle.de/en/notebook/prototyp-produktion-unsichtbare-haelfte/A prototype that works in the demo has half the work behind it. The other half is invisible — until it's missing.Wed, 04 Feb 2026 00:00:00 GMTarchitekturproduktionobservabilitydeploymentbetrieb