macOS: split AppMain into focused modules

apps/macos/Sources/Clawdis/SettingsComponents.swift

@@ -0,0 +1,24 @@
+import SwiftUI
+
+struct SettingsToggleRow: View {
+    let title: String
+    let subtitle: String?
+    @Binding var binding: Bool
+
+    var body: some View {
+        VStack(alignment: .leading, spacing: 6) {
+            Toggle(isOn: self.$binding) {
+                Text(self.title)
+                    .font(.body)
+            }
+            .toggleStyle(.checkbox)
+
+            if let subtitle, !subtitle.isEmpty {
+                Text(subtitle)
+                    .font(.footnote)
+                    .foregroundStyle(.tertiary)
+                    .fixedSize(horizontal: false, vertical: true)
+            }
+        }
+    }
+}