QSOE/N, part 1: proving the core (Skimmer v0.1–v0.5)

This is the first of three posts tracing QSOE/N from its first commit to its first boot on real hardware. This one is about the kernel alone — Skimmer — before there was any userspace to speak of. The whole point of v0.1 through v0.5 was to answer one question: is the core sound? Everything after it assumes the answer is yes. I built all of it alongside Claude Code (Opus 4.7 for this stretch, 4.8…