{
  "schema_version": 1,
  "formula":"runtime_hours = capacity_wh * usable_fraction * inverter_efficiency / load_w",
  "profiles": [
    {"profile_id":"E0","name":"Sentinel only","loads_w":{"idle":8,"normal":15,"peak":30},"shutdown_order":["noncritical USB","secondary edge"],"keep_alive":["management node","gateway","audit queue"]},
    {"profile_id":"E1","name":"Management and WAN","loads_w":{"idle":30,"normal":55,"peak":100},"shutdown_order":["Wi-Fi guest","secondary AP"],"keep_alive":["management node","gateway","primary AP","modem"]},
    {"profile_id":"E2","name":"Small office continuity","loads_w":{"idle":90,"normal":180,"peak":350},"shutdown_order":["creator workstation","noncritical lighting","print"],"keep_alive":["gateway","NAS metadata","one office edge"]},
    {"profile_id":"E3","name":"One AI worker throttled","loads_w":{"idle":120,"normal":420,"peak":750},"shutdown_order":["batch inference","render queue","secondary storage"],"keep_alive":["management","network","controlled worker shutdown"]},
    {"profile_id":"E4","name":"One maximum workstation","loads_w":{"idle":180,"normal":850,"peak":1300},"shutdown_order":["new jobs","GPU workload","worker OS"],"keep_alive":["management","KVM","network"]},
    {"profile_id":"E5","name":"Small site island mode","loads_w":{"idle":250,"normal":650,"peak":1500},"shutdown_order":["all AI workers","creator systems","comfort loads"],"keep_alive":["management","security","network","minimum storage"]},
    {"profile_id":"E6","name":"Server rack continuity","loads_w":{"idle":1500,"normal":5000,"peak":12000},"shutdown_order":["training","batch inference","replicas above quorum","storage tiers"],"keep_alive":["control plane","audit","network core","one inference replica"]}
  ]
}