All major plan items are now spec'd and bootstrapped: - Signal runtime, named stores, event bridge (signals.sx) - Event bindings :on-click (adapter-dom.sx) - data-sx-emit processing (orchestration.sx) - Client hydration + disposal (boot.sx) - Full JS + Python bootstrapping Only remaining: keyed list reconciliation (optimization) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>