PASS: configured airport parsing, bounded readiness, stale admission rejection and cleanup wiring
PASS: explicit CLI opt-in, disabled/editor guards and mission-header airport precedence
PASS: singleton identity guards, paired faction deserialization and client world-cleanup wiring
PASS: task/map/respawn getters survive delayed old destruction and preserve ordinary-mode behavior
PASS: replication hierarchy refuses absent/aliased nodes and establishes delivery dependencies idempotently
PASS: standalone old faction delegates collected once, with null/deleted owners ignored