- Update CORS allow_origins in blockchain-node app.py and gossip relay.py to use new port logic (8000-8016) - Update coordinator-api config.py and config_pg.py with standardized port ranges and service labels - Update coordinator-api health check script from port 18000 to 8000 - Update geo_load_balancer.py to use configurable host/port (default 0.0.0.0:8017) - Update agent_security.py sandbox