public_api.rs imported only spec §3's original list (S15). It now also probes WallClockStore, Node::set_wall_clock, Node::peer_time_estimate and Node::flush (decision H), the Node method signatures, the NodeEvent shape and the public wire constants, and names nothing §3 makes private (Frame, WireError, local constants). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>