feat: watch design from figma

ios/HaptikaWatch/App/WatchAppModel.swift

@@ -14,6 +14,8 @@ public final class WatchAppModel: ObservableObject {
   public let haptics: WatchHapticService
   public let connectivity: WatchConnectivityService
 
+  private var serviceSubscriptions = Set<AnyCancellable>()
+
   private let defaults: UserDefaults
   private let onboardingKey = "haptika.watch.onboarding.completed.v1"
   private let deviceIDKey = "haptika.watch.device.id.v1"
@@ -82,6 +84,11 @@ public final class WatchAppModel: ObservableObject {
   }
 
   private func wireServices() {
+    // Relay nested service changes so all Watch screens receive live updates.
+    for publisher in [store.objectWillChange, measurement.objectWillChange, haptics.objectWillChange, connectivity.objectWillChange] {
+      publisher.sink { [weak self] _ in self?.objectWillChange.send() }
+        .store(in: &serviceSubscriptions)
+    }
     measurement.onCompleted = { [weak self] summary in self?.enqueueMeasurement(summary) }
     measurement.onLiveHeartRate = { [weak self] sample in
       guard let self,