https://penchantos.dev/ Architectural and design decisions for Penchant OS, written as they are made. en-gb https://penchantos.dev/log/005-decisions-stay-human.html https://penchantos.dev/log/005-decisions-stay-human.html Fri, 10 Jul 2026 19:00:00 GMT The consequential moment needed a real hold, not a checkbox. Our first version was forgeable; here is what replaced it, and why. https://penchantos.dev/log/004-designing-the-cockpit.html https://penchantos.dev/log/004-designing-the-cockpit.html Thu, 09 Jul 2026 20:00:00 GMT The interface had to carry a lot without feeling like a dashboard. Warm material, four postures, and the source always one gesture away. https://penchantos.dev/log/003-memory-with-provenance.html https://penchantos.dev/log/003-memory-with-provenance.html Wed, 08 Jul 2026 18:00:00 GMT Everything the system believes cites where it came from, writes have to pass a check, and history is append-only. https://penchantos.dev/log/002-the-delegation-ledger.html https://penchantos.dev/log/002-the-delegation-ledger.html Wed, 08 Jul 2026 09:00:00 GMT Why the first screen of an agentic OS is a ledger of done, doing and needs-you — and what that choice costs. https://penchantos.dev/log/001-how-penchant-was-conceived.html https://penchantos.dev/log/001-how-penchant-was-conceived.html Tue, 07 Jul 2026 09:00:00 GMT It started as one person's fix for their own workload, and turned into a bet about where agents should and shouldn't be trusted. https://penchantos.dev/log/000-built-in-the-open.html https://penchantos.dev/log/000-built-in-the-open.html Fri, 10 Jul 2026 20:00:00 GMT The commitment: decisions published as they are made, including the ones that turn out wrong.