Build application shell with live runtime status

src/types/system.ts

@@ -0,0 +1,6 @@
+export type RuntimeConfig = {
+  mode: string;
+  controllerName: string;
+  controllerIp: string;
+  backendPort: number;
+};

src/types/telemetry.ts

@@ -0,0 +1,16 @@
+export type TelemetrySnapshot = {
+  sensorId: number;
+  name: string;
+  modbusAddress: number;
+  bitOffset: number | null;
+  rawValue: number;
+  value: number | boolean | string | null;
+  unit: string | null;
+  timestamp: string;
+};
+
+export type TelemetryBroadcastMessage = {
+  timestamp: string;
+  sensorCount: number;
+  snapshots: TelemetrySnapshot[];
+};