Add onboarding UI tests and improve app data management

- Add Suite0_OnboardingTests with fresh install and login test flows
- Add accessibility identifiers to onboarding views for UI testing
- Remove deprecated DataCache in favor of unified DataManager
- Update API layer to support public upgrade-triggers endpoint
- Improve onboarding first task view with better date handling
- Update various views with accessibility identifiers for testing
- Fix subscription feature comparison view layout
- Update document detail view improvements

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

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

iosApp/iosApp/Residence/ResidenceDetailView.swift

@@ -3,9 +3,10 @@ import ComposeApp
 
 struct ResidenceDetailView: View {
     let residenceId: Int32
-    
+
     @StateObject private var viewModel = ResidenceViewModel()
     @StateObject private var taskViewModel = TaskViewModel()
+    @ObservedObject private var dataManager = DataManagerObservable.shared
 
     // Use TaskViewModel's state instead of local state
     private var tasksResponse: TaskColumnsResponse? { taskViewModel.tasksResponse }
@@ -15,7 +16,7 @@ struct ResidenceDetailView: View {
     @State private var contractors: [ContractorSummary] = []
     @State private var isLoadingContractors = false
     @State private var contractorsError: String?
-    
+
     @State private var showAddTask = false
     @State private var showEditResidence = false
     @State private var showEditTask = false
@@ -37,7 +38,7 @@ struct ResidenceDetailView: View {
 
     // Check if current user is the owner of the residence
     private func isCurrentUserOwner(of residence: ResidenceResponse) -> Bool {
-        guard let currentUser = ComposeApp.DataCache.shared.currentUser.value else {
+        guard let currentUser = dataManager.currentUser else {
             return false
         }
         return Int(residence.ownerId) == Int(currentUser.id)