Review round 1, finding 3: adoptedFrom is the node a login came from, or where an API key came from; a newer login of the same account keeps the latest reading and generation the key holds. Builds: design 39 bus-and-switch §2, §34, §46 Claude-Session: https://claude.ai/code/session_01NcbgfHb9d4T9nq5Q6WqdiJ