Fix TokenStorage stale cache bug and add user-friendly error messages

- Fix TokenStorage.getToken() returning stale cached token after login/logout
- Add comprehensive ErrorMessageParser with 80+ error code mappings
- Add Suite9 and Suite10 UI test files for E2E integration testing
- Fix accessibility identifiers in RegisterView and ResidenceFormView
- Fix UITestHelpers logout to target alert button specifically
- Update various UI components with proper accessibility identifiers

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

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

iosApp/iosApp/Residence/ResidencesListView.swift

@@ -362,8 +362,11 @@ private struct OrganicEmptyResidencesView: View {
                         .fill(Color.appPrimary.opacity(0.1))
                         .frame(width: 100, height: 100)
 
-                    Image(systemName: "house.lodge.fill")
-                        .font(.system(size: 44, weight: .medium))
+                    Image("house_outline")
+                        .renderingMode(.template)
+                        .resizable()
+                        .aspectRatio(contentMode: .fit)
+                        .frame(width: 48, height: 48)
                         .foregroundColor(Color.appPrimary)
                         .offset(y: isAnimating ? -2 : 2)
                         .animation(
@@ -378,7 +381,7 @@ private struct OrganicEmptyResidencesView: View {
                     .font(.system(size: 24, weight: .bold, design: .rounded))
                     .foregroundColor(Color.appTextPrimary)
 
-                Text("Add your first property to start\nmanaging your home with ease")
+                Text("Tap the + icon in the top right\nto add your first property")
                     .font(.system(size: 15, weight: .medium))
                     .foregroundColor(Color.appTextSecondary)
                     .multilineTextAlignment(.center)