Essays and build logs with receipts: production AI agents, retrieval and memory systems, and workshop hardware.https://ethosteleos.dev/https://ethosteleos.dev/writing/the-tracks-meet-after-the-experiment/https://ethosteleos.dev/writing/the-tracks-meet-after-the-experiment/Track Meet Doctrine described Cypher before Wallaby existed. When the memory and recall layer arrived, it inherited a method built on disciplined intuition, parallel work, and falsification.Fri, 21 Aug 2026 00:00:00 GMThttps://ethosteleos.dev/writing/the-bridge-was-discovered-not-designed/https://ethosteleos.dev/writing/the-bridge-was-discovered-not-designed/Corpus Callosum emerged mid-project when one recall mechanism could no longer serve both exactness and aliveness.Wed, 19 Aug 2026 00:00:00 GMThttps://ethosteleos.dev/writing/the-memory-should-change/https://ethosteleos.dev/writing/the-memory-should-change/Wallaby began with a fixed record, a plastic read layer, and a refusal to confuse retrieval with presence.Tue, 18 Aug 2026 00:00:00 GMThttps://ethosteleos.dev/writing/five-claudes-one-wallaby/https://ethosteleos.dev/writing/five-claudes-one-wallaby/I asked project-era sessions to describe the apparatus from where they stood. Their blind spots became the clearest history I had.Sun, 16 Aug 2026 00:00:00 GMThttps://ethosteleos.dev/writing/anima-in-discrimine/https://ethosteleos.dev/writing/anima-in-discrimine/The soul is in the parting. Wallaby's recall layer and my evaluation work share one rule: do not erase disagreement before you understand what kind of truth you are measuring.Fri, 14 Aug 2026 00:00:00 GMThttps://ethosteleos.dev/writing/the-goal-is-dry-not-cold/https://ethosteleos.dev/writing/the-goal-is-dry-not-cold/Five sessions optimizing a filament cabinet for the wrong variable. The correction was one sentence long and it invalidated a third of the spec.Mon, 03 Aug 2026 00:00:00 GMThttps://ethosteleos.dev/writing/cypher-the-auxiliary-brain/https://ethosteleos.dev/writing/cypher-the-auxiliary-brain/An institutional-memory system with four layers, one of which nobody else is building. Why it surfaces patterns instead of making decisions, and the node map that came out of it.Sun, 14 Jun 2026 00:00:00 GMT