๐ŸŒ€ Weave Hub

P4 โ€” Coherent rollback. Crossings run the 7-phase portal protocol: intent, compatibility, staged escrow & translate, checkpoint, destination instantiate, receipt, commit โ€” or, on any binding failure, rollback: the staged work is discarded and the derived state is verified hash-identical to the checkpoint. Use a world's โš  drill button to inject a failure and watch it happen.