Add Apple platform features and UX improvements

- Add HealthKit State of Mind sync for mood entries
- Add Live Activity with streak display and rating time window
- Add App Shortcuts/Siri integration for voice mood logging
- Add TipKit hints for feature discovery
- Add centralized MoodLogger for consistent side effects
- Add reminder time setting in Settings with time picker
- Fix duplicate notifications when changing reminder time
- Fix Live Activity streak showing 0 when not yet rated today
- Fix slow tap response in entry detail mood selection
- Update widget timeline to refresh at rating time
- Sync widgets when reminder time changes

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Shared/FeelsApp.swift

@@ -9,6 +9,7 @@ import SwiftUI
 import SwiftData
 import BackgroundTasks
 import WidgetKit
+import TipKit
 
 @main
 struct FeelsApp: App {
@@ -18,6 +19,7 @@ struct FeelsApp: App {
     let dataController = DataController.shared
     @StateObject var iapManager = IAPManager()
     @StateObject var authManager = BiometricAuthManager()
+    @StateObject var healthKitManager = HealthKitManager.shared
     @AppStorage(UserDefaultsStore.Keys.firstLaunchDate.rawValue, store: GroupUserDefaults.groupDefaults) private var firstLaunchDate = Date()
     @State private var showSubscriptionFromWidget = false
 
@@ -27,6 +29,12 @@ struct FeelsApp: App {
             BGTask.runFillInMissingDatesTask(task: task as! BGProcessingTask)
         }
         UNUserNotificationCenter.current().setBadgeCount(0)
+
+        // Configure TipKit
+        TipsManager.shared.configure()
+
+        // Initialize Live Activity scheduler
+        LiveActivityScheduler.shared.scheduleBasedOnCurrentTime()
     }
 
     var body: some Scene {
@@ -39,6 +47,7 @@ struct FeelsApp: App {
                 .modelContainer(dataController.container)
                 .environmentObject(iapManager)
                 .environmentObject(authManager)
+                .environmentObject(healthKitManager)
                 .sheet(isPresented: $showSubscriptionFromWidget) {
                     FeelsSubscriptionStoreView()
                         .environmentObject(iapManager)
@@ -75,6 +84,8 @@ struct FeelsApp: App {
                         await authManager.authenticate()
                     }
                 }
+                // Reschedule Live Activity when app becomes active
+                LiveActivityScheduler.shared.scheduleBasedOnCurrentTime()
             }
         }
     }