feat: actually implement system audio + refactor

notetaker/ViewModels/MeetingListViewModel.swift

@@ -0,0 +1,35 @@
+import Foundation
+import SwiftUI
+
+@MainActor
+class MeetingListViewModel: ObservableObject {
+    @Published var meetings: [Meeting] = []
+    @Published var isLoading = false
+    @Published var errorMessage: String?
+    
+    init() {
+        loadMeetings()
+    }
+    
+    func loadMeetings() {
+        isLoading = true
+        errorMessage = nil
+        
+        DispatchQueue.main.async { [weak self] in
+            self?.meetings = LocalStorageManager.shared.loadMeetings()
+            self?.isLoading = false
+        }
+    }
+    
+    func deleteMeeting(_ meeting: Meeting) {
+        meetings.removeAll { $0.id == meeting.id }
+        _ = LocalStorageManager.shared.deleteMeeting(meeting)
+    }
+    
+    func createNewMeeting() -> Meeting {
+        let newMeeting = Meeting()
+        meetings.insert(newMeeting, at: 0)
+        _ = LocalStorageManager.shared.saveMeeting(newMeeting)
+        return newMeeting
+    }
+}