add a setpoint indicator

src/types.ts

@@ -1,6 +1,7 @@
 export interface TurnMessage {
 	band: number;
 	az: number;
+	sourceIp: string;
 }
 
 export interface TurnMessageHandler {
@@ -30,8 +31,15 @@ export interface InitData {
 	elevation: number | null;
 }
 
+export interface Setpoint {
+	targetAz: number;
+	sourceIp: string;
+}
+
 export interface ClientState {
 	initData: InitData;
+	bands: number[];
+	setpoint?: Setpoint;
 }
 
 export type InitialState = Record<string, ClientState>;