Fix build errors, resolve all warnings, and improve code quality

Widget Extension Fixes:
- Create standalone WidgetDataProvider for widget data isolation
- Add WIDGET_EXTENSION compiler flag for conditional compilation
- Fix DataController references in widget-shared files
- Sync widget version numbers with main app (23, 1.0.2)
- Add WidgetBackground color to asset catalog

Warning Resolutions:
- Fix UIScreen.main deprecation in BGView and SharingListView
- Fix Text '+' concatenation deprecation in PurchaseButtonView and SettingsTabView
- Fix exhaustive switch in BiometricAuthManager (add .none case)
- Fix var to let in ExportService (3 instances)
- Fix unused result warning in NoteEditorView
- Fix ForEach duplicate ID warnings in MonthView and YearView

Code Quality Improvements:
- Wrap bypassSubscription in #if DEBUG for security
- Rename StupidAssCustomWidgetObservableObject to CustomWidgetStateViewModel
- Add @MainActor to IconViewModel
- Replace fatalError with graceful fallback in SharedModelContainer
- Add [weak self] to closures in DayViewViewModel
- Add OSLog-based AppLogger for production logging
- Add ImageCache with NSCache for memory efficiency
- Add AccessibilityHelpers with Reduce Motion support
- Create DataControllerProtocol for dependency injection
- Update .gitignore with secrets exclusions

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

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

Shared/Views/Sharing/SharingListView.swift

@@ -26,12 +26,12 @@ struct SharingListView: View {
     @AppStorage(UserDefaultsStore.Keys.theme.rawValue, store: GroupUserDefaults.groupDefaults) private var theme: Theme = .system
     @AppStorage(UserDefaultsStore.Keys.textColor.rawValue, store: GroupUserDefaults.groupDefaults) private var textColor: Color = DefaultTextColor.textColor
 
-    class StupidAssObservableObject: ObservableObject {
-        @Published var fuckingWrappedShrable: WrappedSharable? = nil
-        @Published var showFuckingSheet = false
+    class ShareStateViewModel: ObservableObject {
+        @Published var selectedItem: WrappedSharable? = nil
+        @Published var showSheet = false
     }
 
-    @StateObject private var selectedShare = StupidAssObservableObject()
+    @StateObject private var selectedShare = ShareStateViewModel()
     var sharebleItems =  [WrappedSharable]()
     
     @MainActor
@@ -91,8 +91,8 @@ struct SharingListView: View {
    
     
     func didDismiss() {
-        selectedShare.showFuckingSheet = false
-        selectedShare.fuckingWrappedShrable = nil
+        selectedShare.showSheet = false
+        selectedShare.selectedItem = nil
     }
     
     var body: some View {
@@ -100,8 +100,8 @@ struct SharingListView: View {
             ScrollView {
                 ForEach(sharebleItems, id: \.self) { item in
                     Button(action: {
-                        selectedShare.fuckingWrappedShrable = item
-                        selectedShare.showFuckingSheet = true
+                        selectedShare.selectedItem = item
+                        selectedShare.showSheet = true
                     }, label: {
                         ZStack {
                             theme.currentTheme.secondaryBGColor
@@ -127,7 +127,7 @@ struct SharingListView: View {
                         .cornerRadius(Constants.viewsCornerRaidus, corners: [.topLeft, .topRight, .bottomLeft, .bottomRight])
                         .scaledToFill()
                         .clipped()
-                        .contentShape(Path(CGRect(x: 0, y: 0, width: UIScreen.main.bounds.width, height: 88)))
+                        .contentShape(Rectangle())
                         .padding([.leading, .trailing])
                     })
                 }
@@ -139,9 +139,9 @@ struct SharingListView: View {
             theme.currentTheme.bg
                 .edgesIgnoringSafeArea(.top)
         )
-        .sheet(isPresented: $selectedShare.showFuckingSheet,
+        .sheet(isPresented: $selectedShare.showSheet,
                onDismiss: didDismiss) {
-            selectedShare.fuckingWrappedShrable?.destination
+            selectedShare.selectedItem?.destination
         }
     }