deploy-gate

The GATED deploy + cleanup flow for a NexusTrade live book — clone the finalist, preview a delta reconcile, stage UNAPPROVED orders, verify fills. Use ONLY after the human explicitly says "deploy + clean up" and names a finalist. Covers the clone-before-reconcile ordering, the single-tick reconcile expectation, stale-pending-order hygiene, the signal-freshness gate, and why you can never approve orders yourself.…