Update Kotlin models and iOS Swift to align with new Go API format

- Update all Kotlin API models to match Go API response structures
- Fix Swift type aliases (TaskDetail→TaskResponse, Residence→ResidenceResponse, etc.)
- Update TaskCompletionCreateRequest to simplified Go API format (taskId, notes, actualCost, photoUrl)
- Fix optional handling for frequency, priority, category, status in task models
- Replace isPrimaryOwner with ownerId comparison against current user
- Update ResidenceUsersResponse to use owner.id instead of ownerId
- Fix non-optional String fields to use isEmpty checks instead of optional binding
- Add type aliases for backwards compatibility in Kotlin models

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

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

iosApp/iosApp/Task/TaskFormView.swift

@@ -9,8 +9,8 @@ enum TaskFormField {
 // MARK: - Task Form View
 struct TaskFormView: View {
     let residenceId: Int32?
-    let residences: [Residence]?
-    let existingTask: TaskDetail? // nil for add mode, populated for edit mode
+    let residences: [ResidenceResponse]?
+    let existingTask: TaskResponse? // nil for add mode, populated for edit mode
     @Binding var isPresented: Bool
     @StateObject private var viewModel = TaskViewModel()
     @FocusState private var focusedField: TaskFormField?
@@ -40,7 +40,7 @@ struct TaskFormView: View {
     @State private var isLoadingLookups: Bool = true
 
     // Form fields
-    @State private var selectedResidence: Residence?
+    @State private var selectedResidence: ResidenceResponse?
     @State private var title: String
     @State private var description: String
     @State private var selectedCategory: TaskCategory?
@@ -52,7 +52,7 @@ struct TaskFormView: View {
     @State private var estimatedCost: String
 
     // Initialize form fields based on mode (add vs edit)
-    init(residenceId: Int32? = nil, residences: [Residence]? = nil, existingTask: TaskDetail? = nil, isPresented: Binding<Bool>) {
+    init(residenceId: Int32? = nil, residences: [ResidenceResponse]? = nil, existingTask: TaskResponse? = nil, isPresented: Binding<Bool>) {
         self.residenceId = residenceId
         self.residences = residences
         self.existingTask = existingTask
@@ -72,7 +72,7 @@ struct TaskFormView: View {
             formatter.dateFormat = "yyyy-MM-dd"
             _dueDate = State(initialValue: formatter.date(from: task.dueDate ?? "") ?? Date())
 
-            _intervalDays = State(initialValue: task.intervalDays != nil ? String(task.intervalDays!.intValue) : "")
+            _intervalDays = State(initialValue: "")  // No longer in API
             _estimatedCost = State(initialValue: task.estimatedCost != nil ? String(task.estimatedCost!.doubleValue) : "")
         } else {
             _title = State(initialValue: "")
@@ -98,9 +98,9 @@ struct TaskFormView: View {
                     if needsResidenceSelection, let residences = residences {
                         Section {
                             Picker("Property", selection: $selectedResidence) {
-                                Text("Select Property").tag(nil as Residence?)
+                                Text("Select Property").tag(nil as ResidenceResponse?)
                                 ForEach(residences, id: \.id) { residence in
-                                    Text(residence.name).tag(residence as Residence?)
+                                    Text(residence.name).tag(residence as ResidenceResponse?)
                                 }
                             }
 
@@ -396,17 +396,17 @@ struct TaskFormView: View {
         if isEditMode, let task = existingTask {
             // UPDATE existing task
             let request = TaskCreateRequest(
-                residence: task.residence,
+                residenceId: task.residenceId,
                 title: title,
                 description: description.isEmpty ? nil : description,
-                category: Int32(category.id),
-                frequency: Int32(frequency.id),
-                intervalDays: intervalDays.isEmpty ? nil : Int32(intervalDays) as? KotlinInt,
-                priority: Int32(priority.id),
-                status: KotlinInt(value: status.id) as? KotlinInt,
+                categoryId: KotlinInt(int: Int32(category.id)),
+                priorityId: KotlinInt(int: Int32(priority.id)),
+                statusId: KotlinInt(int: Int32(status.id)),
+                frequencyId: KotlinInt(int: Int32(frequency.id)),
+                assignedToId: nil,
                 dueDate: dueDateString,
                 estimatedCost: estimatedCost.isEmpty ? nil : KotlinDouble(double: Double(estimatedCost) ?? 0.0),
-                archived: task.archived
+                contractorId: nil
             )
 
             viewModel.updateTask(id: task.id, request: request) { success in
@@ -427,17 +427,17 @@ struct TaskFormView: View {
             }
 
             let request = TaskCreateRequest(
-                residence: actualResidenceId,
+                residenceId: actualResidenceId,
                 title: title,
                 description: description.isEmpty ? nil : description,
-                category: Int32(category.id),
-                frequency: Int32(frequency.id),
-                intervalDays: intervalDays.isEmpty ? nil : Int32(intervalDays) as? KotlinInt,
-                priority: Int32(priority.id),
-                status: selectedStatus.map { KotlinInt(value: $0.id) },
+                categoryId: KotlinInt(int: Int32(category.id)),
+                priorityId: KotlinInt(int: Int32(priority.id)),
+                statusId: selectedStatus.map { KotlinInt(int: Int32($0.id)) },
+                frequencyId: KotlinInt(int: Int32(frequency.id)),
+                assignedToId: nil,
                 dueDate: dueDateString,
                 estimatedCost: estimatedCost.isEmpty ? nil : KotlinDouble(double: Double(estimatedCost) ?? 0.0),
-                archived: false
+                contractorId: nil
             )
 
             viewModel.createTask(request: request) { success in