Interface DeviceStateSnapshot

All observable fields of the edge device's runtime state.

interface DeviceStateSnapshot {
    activeSession: Session | null;
    capabilities: BridgeCapabilities | null;
    isBridgeConnected: boolean;
    lastMessageAt: number | null;
    strokeCount: number;
}

Properties

activeSession: Session | null

The active session, or null when no session is in progress.

capabilities: BridgeCapabilities | null

Hardware capabilities of this device (set once on start-up).

isBridgeConnected: boolean

Whether the WebSocket bridge to the tutor is currently connected.

lastMessageAt: number | null

Unix timestamp (ms) of the last message received from the tutor.

strokeCount: number

Number of strokes captured in the current session.