7da944af0c
Boot becomes ready on the first clip and streams the rest in the background (was: blocked on the full ~2.3 GB before 'Run simulation' appeared). During nav, the visible morph and landing base only swap to cached blobs — otherwise the current frame holds (settleGen guards a stale settle) — so rapid altitude-clicking never blanks the stage. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>