Sync with main: counts 56 -> 73, CHAIN_MISMATCH + readback + chain pinning, CI chain e2e, honest timing labels, strip competition framing, PITCH deleted
Add wiki pages: architecture, how it works, verdict codes, demo guide, testing, open limits, sidebar Replaces the placeholder Home with the full generated set: overview + quick start, mermaid architecture diagram and trust boundaries, phase flow with the six verdict checks and state machine, verdict/attack tables with the contract API, step-by-step demo guide (config, memory, stale, chain, key swap, witness), 54-check SelfTest and CI gates, and the public-facing open limits page. Sidebar adds navigation.