Live Activities & Dynamic Island Enhancements

 import ActivityKit
 import SwiftUI
 import WidgetKit
+import AppIntents
 
−// Pre-iOS 27: No App Intent interactivity in Dynamic Island views;
−// compact/minimal views were purely display-only.
−
+// MARK: - Activity Attributes
 struct DeliveryAttributes: ActivityAttributes {
     public struct ContentState: Codable, Hashable {
         var statusMessage: String
         var estimatedMinutes: Int
         var isDelivered: Bool
     }
     var trackingNumber: String
 }
 
+// MARK: - App Intent for inline interaction
+struct MarkDeliveredIntent: AppIntent {
+    static var title: LocalizedStringResource = "Mark as Received"
+    static var description = IntentDescription("Marks your package as received.")
+
+    func perform() async throws -> some IntentResult {
+        // Update the Live Activity state
+        let activities = Activity<DeliveryAttributes>.activities
+        for activity in activities {
+            let newState = DeliveryAttributes.ContentState(
+                statusMessage: "Delivered!",
+                estimatedMinutes: 0,
+                isDelivered: true
+            )
+            await activity.update(
+                ActivityContent(state: newState, staleDate: nil),
+                alertConfiguration: nil
+            )
+        }
+        return .result()
+    }
+}
+
+// MARK: - Widget / Live Activity UI
 struct DeliveryLiveActivityView: Widget {
     var body: some WidgetConfiguration {
         ActivityConfiguration(for: DeliveryAttributes.self) { context in
−            // Lock Screen banner — buttons here used Link/URL schemes, not App Intents
+            // Lock Screen / StandBy banner
             HStack {
                 Image(systemName: "shippingbox.fill")
                     .foregroundStyle(.orange)
                 VStack(alignment: .leading) {
                     Text(context.state.statusMessage)
                         .font(.headline)
                     Text("ETA: \(context.state.estimatedMinutes) min")
                         .font(.caption)
                 }
                 Spacer()
−                // No interactive button available in Dynamic Island compact/minimal
+                if !context.state.isDelivered {
+                    Button(intent: MarkDeliveredIntent()) {
+                        Label("Received", systemImage: "checkmark.circle.fill")
+                    }
+                    .tint(.green)
+                }
             }
             .padding()
         } dynamicIsland: { context in
             DynamicIsland {
−                // Expanded layout — no bottom region existed pre-iOS 27
+                // Expanded layout with new bottom region
                 DynamicIslandExpandedRegion(.leading) {
                     Image(systemName: "shippingbox.fill")
                         .font(.title2)
                         .foregroundStyle(.orange)
                 }
                 DynamicIslandExpandedRegion(.trailing) {
                     Text("\(context.state.estimatedMinutes)m")
                         .font(.title2.bold())
                 }
                 DynamicIslandExpandedRegion(.center) {
                     Text(context.state.statusMessage)
                         .font(.headline)
                         .lineLimit(1)
                 }
−                // No .bottom region — developers had to cram content into center/leading/trailing
+                // iOS 27: new bottom region
+                DynamicIslandExpandedRegion(.bottom) {
+                    if !context.state.isDelivered {
+                        Button(intent: MarkDeliveredIntent()) {
+                            Label("Mark as Received", systemImage: "checkmark.circle.fill")
+                                .frame(maxWidth: .infinity)
+                        }
+                        .buttonStyle(.borderedProminent)
+                        .tint(.green)
+                    } else {
+                        Label("Package Received!", systemImage: "checkmark.seal.fill")
+                            .foregroundStyle(.green)
+                            .activityTransition(.opacity.animation(.easeIn))
+                    }
+                }
             } compactLeading: {
                 Image(systemName: "shippingbox.fill")
                     .foregroundStyle(.orange)
             } compactTrailing: {
−                // Display only — no interactivity
−                Text("\(context.state.estimatedMinutes)m")
−                    .font(.caption.bold())
+                // iOS 27: interactive control in compact view
+                if !context.state.isDelivered {
+                    Button(intent: MarkDeliveredIntent()) {
+                        Image(systemName: "checkmark.circle")
+                    }
+                    .tint(.green)
+                } else {
+                    Image(systemName: "checkmark.circle.fill")
+                        .foregroundStyle(.green)
+                }
             } minimal: {
−                Image(systemName: "shippingbox.fill")
−                    .foregroundStyle(.orange)
+                Image(systemName: context.state.isDelivered ? "checkmark.circle.fill" : "shippingbox.fill")
+                    .foregroundStyle(context.state.isDelivered ? .green : .orange)
             }
         }
     }
 }