postmodern software engineeringhttps://dsemke.dev/David Semkehttps://dsemke.dev/posts/hallucination-is-a-one-shot-problem/https://dsemke.dev/posts/hallucination-is-a-one-shot-problem/The cost of a hallucination is set by the cost of checking it, not by how often it happens. Code is the cheapest thing in the world to check, and an agentic loop checks constantly.Mon, 28 Sep 2026 00:00:00 GMTDavid Semkehttps://dsemke.dev/posts/terrarium-testing/https://dsemke.dev/posts/terrarium-testing/Build a small sealed world, put the real services in it, and let an agent go hunting.Mon, 24 Aug 2026 00:00:00 GMTDavid Semke