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/Views/MonthView/MonthDetailView.swift

@@ -90,7 +90,7 @@ struct MonthDetailView: View {
             ForEach(Mood.allValues) { mood in
                 Button(mood.strValue, action: {
                     if let selectedEntry = selectedEntry {
-                        DataController.shared.update(entryDate: selectedEntry.forDate, withMood: mood)
+                        parentViewModel.update(entry: selectedEntry, toMood: mood)
                     }
                     updateEntries()
                     showUpdateEntryAlert = false
@@ -102,7 +102,7 @@ struct MonthDetailView: View {
                deleteEnabled,
                selectedEntry.mood != .missing {
                 Button(String(localized: "content_view_delete_entry"), action: {
-                    DataController.shared.update(entryDate: selectedEntry.forDate, withMood: .missing)
+                    parentViewModel.update(entry: selectedEntry, toMood: .missing)
                     updateEntries()
                     showUpdateEntryAlert = false
                 })