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/CaseraUITests/Suite4_ComprehensiveResidenceTests.swift

@@ -358,14 +358,10 @@ final class Suite4_ComprehensiveResidenceTests: XCTestCase {
             // Edit name
             let nameField = app.textFields.containing(NSPredicate(format: "placeholderValue CONTAINS[c] 'Name'")).firstMatch
             if nameField.exists {
-                nameField.tap()
-                // Clear existing text
-                nameField.tap()
-                sleep(1)
-                nameField.tap()
-                sleep(1)
-                app.menuItems["Select All"].tap()
-                sleep(1)
+                let element = app/*@START_MENU_TOKEN@*/.textFields["ResidenceForm.NameField"]/*[[".otherElements",".textFields[\"Original Name 1764809003\"]",".textFields[\"Property Name\"]",".textFields[\"ResidenceForm.NameField\"]"],[[[-1,3],[-1,2],[-1,1],[-1,0,1]],[[-1,3],[-1,2],[-1,1]]],[0]]@END_MENU_TOKEN@*/.firstMatch
+                element.tap()
+                element.tap()
+                app/*@START_MENU_TOKEN@*/.menuItems["Select All"]/*[[".menuItems.containing(.staticText, identifier: \"Select All\")",".collectionViews.menuItems[\"Select All\"]",".menuItems[\"Select All\"]"],[[[-1,2],[-1,1],[-1,0]]],[0]]@END_MENU_TOKEN@*/.firstMatch.tap()
                 nameField.typeText(newName)
 
                 // Save