Add cancel task confirmation dialog

- Add L10n strings for cancel confirmation
- Add confirmation dialog to ResidenceDetailView
- Fix AllTasksView cancel dialog (was using archive strings)

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

iosApp/iosApp/Helpers/L10n.swift

@@ -216,6 +216,8 @@ enum L10n {
         static var deleteTask: String { String(localized: "tasks_delete_task") }
         static var archiveConfirm: String { String(localized: "tasks_archive_confirm") }
         static var archive: String { String(localized: "tasks_archive") }
+        static var cancelTask: String { String(localized: "tasks_cancel_task") }
+        static var cancelConfirm: String { String(localized: "tasks_cancel_confirm") }
         static var noTasks: String { String(localized: "tasks_no_tasks") }
 
         // Complete Task View

iosApp/iosApp/Localizable.xcstrings

@@ -25673,6 +25673,28 @@
         }
       }
     },
+    "tasks_cancel_confirm" : {
+      "extractionState" : "manual",
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Are you sure you want to cancel this task?"
+          }
+        }
+      }
+    },
+    "tasks_cancel_task" : {
+      "extractionState" : "manual",
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Cancel Task"
+          }
+        }
+      }
+    },
     "tasks_category" : {
       "extractionState" : "manual",
       "localizations" : {

iosApp/iosApp/Residence/ResidenceDetailView.swift

@@ -25,6 +25,8 @@ struct ResidenceDetailView: View {
     @State private var selectedTaskForComplete: TaskResponse?
     @State private var selectedTaskForArchive: TaskResponse?
     @State private var showArchiveConfirmation = false
+    @State private var selectedTaskForCancel: TaskResponse?
+    @State private var showCancelConfirmation = false
 
     @State private var hasAppeared = false
     @State private var showReportAlert = false
@@ -144,6 +146,21 @@ struct ResidenceDetailView: View {
                 Text("Are you sure you want to archive \"\(task.title)\"? You can unarchive it later from archived tasks.")
             }
         }
+        .alert(L10n.Tasks.cancelTask, isPresented: $showCancelConfirmation) {
+            Button(L10n.Common.no, role: .cancel) {
+                selectedTaskForCancel = nil
+            }
+            Button(L10n.Common.yes, role: .destructive) {
+                if let task = selectedTaskForCancel {
+                    taskViewModel.cancelTask(id: task.id) { _ in
+                        loadResidenceTasks()
+                    }
+                    selectedTaskForCancel = nil
+                }
+            }
+        } message: {
+            Text(L10n.Tasks.cancelConfirm)
+        }
         .sheet(isPresented: $showingUpgradePrompt) {
             UpgradePromptView(triggerKey: upgradeTriggerKey.isEmpty ? "add_11th_task" : upgradeTriggerKey, isPresented: $showingUpgradePrompt)
         }
@@ -489,9 +506,8 @@ private struct TasksSectionContainer: View {
                 showEditTask = true
             },
             onCancelTask: { task in
-                taskViewModel.cancelTask(id: task.id) { _ in
-                    reloadTasks()
-                }
+                selectedTaskForCancel = task
+                showCancelConfirmation = true
             },
             onUncancelTask: { taskId in
                 taskViewModel.uncancelTask(id: taskId) { _ in

iosApp/iosApp/Task/AllTasksView.swift

@@ -76,11 +76,11 @@ struct AllTasksView: View {
                     Text(L10n.Tasks.archiveConfirm.replacingOccurrences(of: "this task", with: "\"\(task.title)\""))
                 }
             }
-            .alert(L10n.Tasks.deleteTask, isPresented: $showCancelConfirmation) {
-                Button(L10n.Common.cancel, role: .cancel) {
+            .alert(L10n.Tasks.cancelTask, isPresented: $showCancelConfirmation) {
+                Button(L10n.Common.no, role: .cancel) {
                     selectedTaskForCancel = nil
                 }
-                Button(L10n.Tasks.archive, role: .destructive) {
+                Button(L10n.Common.yes, role: .destructive) {
                     if let task = selectedTaskForCancel {
                         taskViewModel.cancelTask(id: task.id) { _ in
                             loadAllTasks()
@@ -89,9 +89,7 @@ struct AllTasksView: View {
                     }
                 }
             } message: {
-                if let task = selectedTaskForCancel {
-                    Text(L10n.Tasks.archiveConfirm.replacingOccurrences(of: "this task", with: "\"\(task.title)\""))
-                }
+                Text(L10n.Tasks.cancelConfirm)
             }
             .onChange(of: showAddTask) { isShowing in
                 if !isShowing {