demo-0.0.2 (erigon)

Paired cocoon commit: 19c714a61808286973ee6b5351009cf450c0bab2 (erigontech/cocoon @ feat/node-explorer → cocoon-releases, tag demo-0.0.2) Highlights since demo-0.0.1: Caplin sole-producer warm resume: persist head state each slot (dev) + on graceful shutdown, anchor on the persisted checkpoint, replay to the true head on restart. devvalidator: SSZ bitlist sentinel on dev attestations; commitment…