From 7473e95635113b6e0c38a3ee9cca314e383e5f53 Mon Sep 17 00:00:00 2001
From: Gronod <gordon@i3omb.com>
Date: Thu, 1 Oct 2026 12:53:17 +0100
Subject: [PATCH] fix: Isolate views to @MainActor and use @ObservedObject for
 Swift 5.7 compatibility

---
 Sources/UI/Alerts/AlertsView.swift              | 3 ++-
 Sources/UI/ContentView.swift                    | 2 ++
 Sources/UI/MenuBar/QuickGlancePopoverView.swift | 3 ++-
 Sources/UI/Settings/AlertsSettingsView.swift    | 1 +
 Tests/MMMenuBarTests.swift                      | 1 +
 5 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/Sources/UI/Alerts/AlertsView.swift b/Sources/UI/Alerts/AlertsView.swift
index 7dd65fe..c27e522 100644
--- a/Sources/UI/Alerts/AlertsView.swift
+++ b/Sources/UI/Alerts/AlertsView.swift
@@ -4,8 +4,9 @@ import SwiftUI
 
 /// Sidebar tab showing currently breached thresholds and the in-app
 /// alert history log maintained by `AlertEngine`.
+@MainActor
 public struct AlertsView: View {
-    @State private var engine = AlertEngine.shared
+    @ObservedObject private var engine = AlertEngine.shared
 
     public init() {}
 
diff --git a/Sources/UI/ContentView.swift b/Sources/UI/ContentView.swift
index 0b4f8a5..e52bba5 100644
--- a/Sources/UI/ContentView.swift
+++ b/Sources/UI/ContentView.swift
@@ -1,5 +1,6 @@
 import SwiftUI
 
+@MainActor
 public struct ContentView: View {
     @StateObject private var store = SystemTelemetryStore.shared
     @State private var selectedTab: String? = "Dashboard"
@@ -1220,6 +1221,7 @@ public struct ContentView: View {
 }
 
 // MARK: - Process Detail Inspector Sheet
+@MainActor
 struct ProcessDetailSheet: View {
     let inspector: MMProcessDetailInspector
     let pid: Int32
diff --git a/Sources/UI/MenuBar/QuickGlancePopoverView.swift b/Sources/UI/MenuBar/QuickGlancePopoverView.swift
index 07e0ab5..44fbd12 100644
--- a/Sources/UI/MenuBar/QuickGlancePopoverView.swift
+++ b/Sources/UI/MenuBar/QuickGlancePopoverView.swift
@@ -1,7 +1,8 @@
 import SwiftUI
 
+@MainActor
 public struct QuickGlancePopoverView: View {
-    var store: SystemTelemetryStore
+    @ObservedObject var store: SystemTelemetryStore
     
     public init(store: SystemTelemetryStore) {
         self.store = store
diff --git a/Sources/UI/Settings/AlertsSettingsView.swift b/Sources/UI/Settings/AlertsSettingsView.swift
index 29584a0..41a77d5 100644
--- a/Sources/UI/Settings/AlertsSettingsView.swift
+++ b/Sources/UI/Settings/AlertsSettingsView.swift
@@ -5,6 +5,7 @@ import UserNotifications
 
 /// Preferences UI for threshold alert rules. Bound directly to
 /// `AlertEngine.shared.configuration`, which auto-persists to `UserDefaults`.
+@MainActor
 public struct AlertsSettingsView: View {
     @ObservedObject private var engine = AlertEngine.shared
     @State private var authorizationStatus: UNAuthorizationStatus = .notDetermined
diff --git a/Tests/MMMenuBarTests.swift b/Tests/MMMenuBarTests.swift
index 2ff00e3..3fdd308 100644
--- a/Tests/MMMenuBarTests.swift
+++ b/Tests/MMMenuBarTests.swift
@@ -2,6 +2,7 @@ import XCTest
 import SwiftUI
 @testable import MacMonitor
 
+@MainActor
 final class MMMenuBarTests: XCTestCase {
     
     func testMenuBarStatusViewInitialization() {
-- 
2.39.5