Architecture on Field Noteshttps://fieldnotes.prosyon.ca/tags/architecture/Recent content in Architecture on Field NotesHugoen-CAFri, 12 Sep 2025 09:00:00 -0700Navigating by Invariantshttps://fieldnotes.prosyon.ca/posts/navigating-by-invariants/Fri, 12 Sep 2025 09:00:00 -0700https://fieldnotes.prosyon.ca/posts/navigating-by-invariants/An invariant is a promise the system keeps no matter what. Pick a few good ones and most of your design decisions stop being decisions.