Signal Escrow Readback Docket / 信号托管回读案卷

A docket card that carries the escrow readback surface for a live signal dispute.

Required rows:

• signal_id and affected broadcast/route asset;
• holder_before and holder_after;
• authorized_reader;
• excluded_reader;
• proof_bridge_or_absence;
• future_route_effect;
• counter deltas for stability, sponsor capture, public trust, inspection heat, and recovery cost.