Watch & Learn

import SwiftUI
import AppKit

@main
struct MenuBarMonitorApp: App {
    @StateObject private var telemetry = SystemTelemetry()

    var body: some Scene {
        MenuBarExtra("Silicon Pulse", systemImage: "cpu.fill") {
            VStack(alignment: .leading, spacing: 12) {
                Text("Silicon Pulse").font(.headline)
                Text(telemetry.summary).font(.caption)
                Button("Update sample") { telemetry.updateSample() }
                Divider()
                Button("Quit") { NSApplication.shared.terminate(nil) }
            }
            .padding(16)
            .frame(width: 260)
        }
        .menuBarExtraStyle(.window)
    }
}