Eaton EV Smart Breaker Charger API
Subset of the Smart Breaker API surface scoped to Level-2 Green Motion EV charger devices (`hardwareType: ev-emcb`). Adds session-management, charge-control, and EV-specific telemetry on top of the shared device/location model. Operations tagged "EV Only" in the OpenAPI are gated to ev-emcb devices.