diff --git a/android/main/app/src/main/jniLibs/arm64-v8a/libtc_helper.so b/android/main/app/src/main/jniLibs/arm64-v8a/libtc_helper.so
new file mode 100755
index 00000000..06a64cea
Binary files /dev/null and b/android/main/app/src/main/jniLibs/arm64-v8a/libtc_helper.so differ
diff --git a/build_droidtchelper b/build_droidtchelper
new file mode 100644
index 00000000..e69de29b
diff --git a/ios/tc_helper.xcframework/ios-arm64/tc_helper.framework/tc_helper b/ios/tc_helper.xcframework/ios-arm64/tc_helper.framework/tc_helper
index b471a32f..f639754f 100755
Binary files a/ios/tc_helper.xcframework/ios-arm64/tc_helper.framework/tc_helper and b/ios/tc_helper.xcframework/ios-arm64/tc_helper.framework/tc_helper differ
diff --git a/ios/tc_helper.xcframework/ios-arm64_x86_64-simulator/tc_helper.framework/tc_helper b/ios/tc_helper.xcframework/ios-arm64_x86_64-simulator/tc_helper.framework/tc_helper
index 60e3787d..bdf11cda 100755
Binary files a/ios/tc_helper.xcframework/ios-arm64_x86_64-simulator/tc_helper.framework/tc_helper and b/ios/tc_helper.xcframework/ios-arm64_x86_64-simulator/tc_helper.framework/tc_helper differ
diff --git a/lib/app/modules/taskc_details/controllers/taskc_details_controller.dart b/lib/app/modules/taskc_details/controllers/taskc_details_controller.dart
index 226a54d4..6116cf7e 100644
--- a/lib/app/modules/taskc_details/controllers/taskc_details_controller.dart
+++ b/lib/app/modules/taskc_details/controllers/taskc_details_controller.dart
@@ -50,9 +50,9 @@ class TaskcDetailsController extends GetxController {
     // Support both TaskForC (local tasks) and TaskForReplica (replica tasks)
     if (task is TaskForC) {
       description = task.description.obs;
-      project = (task.project ?? '-').obs;
+      project = (task.project ?? 'None').obs;
       status = task.status.obs;
-      priority = (task.priority ?? '-').obs;
+      priority = (task.priority ?? 'None').obs;
       due = formatDate(task.due).obs;
       start = "".obs;
       wait = "".obs;
@@ -66,9 +66,9 @@ class TaskcDetailsController extends GetxController {
       annotations = <Annotation>[].obs;
     } else if (task is TaskForReplica) {
       description = (task.description ?? '').obs;
-      project = (task.project ?? '-').obs;
+      project = (task.project ?? 'None').obs;
       status = (task.status ?? '').obs;
-      priority = (task.priority ?? '-').obs;
+      priority = (task.priority ?? 'None').obs;
       // TaskForReplica stores epoch seconds; convert to ISO string for formatting
       debugPrint('Replica task due: ${task.due}');
       due = formatDate(task.due).obs;
@@ -88,10 +88,10 @@ class TaskcDetailsController extends GetxController {
     } else {
       // Fallback
       description = ''.obs;
-      project = '-'.obs;
+      project = 'None'.obs;
       status = ''.obs;
-      priority = '-'.obs;
-      due = '-'.obs;
+      priority = 'None'.obs;
+      due = 'None'.obs;
       start = "".obs;
       wait = "".obs;
       tags = <String>[].obs;
@@ -104,14 +104,14 @@ class TaskcDetailsController extends GetxController {
   }
 
   String formatDate(dynamic date) {
-    if (date == null) return '-';
+    if (date == null) return 'None';
     // If date is epoch seconds as int
     bool is24hrFormat = AppSettings.use24HourFormatRx.value;
     final pattern = is24hrFormat
         ? 'EEE, yyyy-MM-dd HH:mm:ss'
         : 'EEE, yyyy-MM-dd hh:mm:ss a';
 
-    if (date == null) return '-';
+    if (date == null) return 'None';
 
     if (date is int) {
       try {
@@ -119,7 +119,7 @@ class TaskcDetailsController extends GetxController {
         return DateFormat(pattern).format(dt.toLocal());
       } catch (e) {
         debugPrint('Error formatting epoch date: $e');
-        return '-';
+        return 'None';
       }
     }
 
@@ -128,19 +128,19 @@ class TaskcDetailsController extends GetxController {
         return DateFormat(pattern).format(date.toLocal());
       } catch (e) {
         debugPrint('Error formatting DateTime: $e');
-        return '-';
+        return 'None';
       }
     }
 
     final dateString = date?.toString() ?? '';
-    if (dateString.isEmpty || dateString == '-') return '-';
+    if (dateString.isEmpty || dateString == 'None') return 'None';
 
     try {
       final parsedDate = DateTime.parse(dateString).toLocal();
       return DateFormat(pattern).format(parsedDate);
     } catch (e) {
       debugPrint('Error parsing date: $dateString $e');
-      return '-';
+      return 'None';
     }
   }
 
@@ -164,13 +164,13 @@ class TaskcDetailsController extends GetxController {
   // model shape than TaskForC).
   String initialTaskUuidDisplay() {
     try {
-      if (initialTask == null) return '-';
+      if (initialTask == null) return 'None';
       if (initialTask is TaskForC)
-        return (initialTask.uuid ?? '-')?.toString() ?? '-';
-      if (initialTask is TaskForReplica) return initialTask.uuid ?? '-';
-      return '-';
+        return (initialTask.uuid ?? 'None')?.toString() ?? 'None';
+      if (initialTask is TaskForReplica) return initialTask.uuid ?? 'None';
+      return 'None';
     } catch (_) {
-      return '-';
+      return 'None';
     }
   }
 
@@ -178,12 +178,12 @@ class TaskcDetailsController extends GetxController {
     try {
       if (initialTask is TaskForC) {
         final u = initialTask.urgency as double?;
-        return (u != null) ? u.toStringAsFixed(2) : '-';
+        return (u != null) ? u.toStringAsFixed(2) : 'None';
       }
       // TaskForReplica doesn't have urgency
-      return '-';
+      return 'None';
     } catch (_) {
-      return '-';
+      return 'None';
     }
   }
 
@@ -266,7 +266,7 @@ class TaskcDetailsController extends GetxController {
       final modifiedTask = TaskForReplica(
         modified: nowEpoch,
         due: () {
-          if (due.string == '-' || due.string.isEmpty) return null;
+          if (due.string == 'None' || due.string.isEmpty) return null;
           try {
             final parsed = DateFormat(datePattern).parse(due.string);
             return parsed.toUtc().toIso8601String();
@@ -282,7 +282,8 @@ class TaskcDetailsController extends GetxController {
           }
         }(),
         start: () {
-          if (start.string == '-' || start.string.isEmpty) return null;
+          if (start.string == 'None' || start.string.isEmpty) return null;
+          if (start.string == "stop") return "stop";
           try {
             final parsed = DateFormat(datePattern).parse(start.string);
             return parsed.toUtc().toIso8601String();
@@ -298,7 +299,7 @@ class TaskcDetailsController extends GetxController {
           }
         }(),
         wait: () {
-          if (wait.string == '-' || wait.string.isEmpty) return null;
+          if (wait.string == 'None' || wait.string.isEmpty) return null;
           try {
             final parsed = DateFormat(datePattern).parse(wait.string);
             return parsed.toUtc().toIso8601String();
@@ -318,7 +319,7 @@ class TaskcDetailsController extends GetxController {
         tags: tags.isNotEmpty ? tags.toList() : null,
         uuid: initialTask.uuid ?? '',
         priority: priority.string.isNotEmpty ? priority.string : null,
-        project: project.string != '-' ? project.string : null,
+        project: project.string != 'None' ? project.string : null,
       );
       debugPrint('Modified replica task: $modifiedTask');
       hasChanges.value = false;
@@ -352,7 +353,7 @@ class TaskcDetailsController extends GetxController {
     final BuildContext context = Get.context!;
     final DateTime? pickedDate = await showDatePicker(
       context: context,
-      initialDate: field.value != '-'
+      initialDate: field.value != 'None'
           ? DateTime.tryParse(field.value) ?? DateTime.now()
           : DateTime.now(),
       firstDate: DateTime(2000),
@@ -362,7 +363,7 @@ class TaskcDetailsController extends GetxController {
     if (pickedDate != null) {
       final TimeOfDay? pickedTime = await showTimePicker(
         context: context,
-        initialTime: TimeOfDay.fromDateTime(field.value != '-'
+        initialTime: TimeOfDay.fromDateTime(field.value != 'None'
             ? DateTime.tryParse(field.value) ?? DateTime.now()
             : DateTime.now()),
       );
diff --git a/lib/app/modules/taskc_details/views/taskc_details_view.dart b/lib/app/modules/taskc_details/views/taskc_details_view.dart
index 6e7dcc39..c6b7991e 100644
--- a/lib/app/modules/taskc_details/views/taskc_details_view.dart
+++ b/lib/app/modules/taskc_details/views/taskc_details_view.dart
@@ -5,6 +5,7 @@ import 'package:get/get.dart';
 import 'package:google_fonts/google_fonts.dart';
 import 'package:taskwarrior/app/utils/app_settings/app_settings.dart';
 import 'package:taskwarrior/app/utils/constants/taskwarrior_colors.dart';
+import 'package:taskwarrior/app/utils/constants/taskwarrior_fonts.dart';
 import 'package:taskwarrior/app/utils/themes/theme_extension.dart';
 import 'package:taskwarrior/app/utils/language/sentence_manager.dart';
 import '../controllers/taskc_details_controller.dart';
@@ -57,7 +58,7 @@ class TaskcDetailsView extends GetView<TaskcDetailsController> {
                   context,
                   '${SentenceManager(currentLanguage: AppSettings.selectedLanguage).sentences.detailPagePriority}:',
                   controller.priority.value,
-                  ['H', 'M', 'L', '-'],
+                  ['H', 'M', 'L', 'None'],
                   (value) => controller.updateField(controller.priority, value),
                 ),
                 _buildDatePickerDetail(
@@ -68,21 +69,21 @@ class TaskcDetailsView extends GetView<TaskcDetailsController> {
                 ),
                 // Start / Wait: editable date pickers for replica tasks, read-only otherwise
                 if (controller.isReplicaTask) ...[
-                  controller.start.value == '-'
-                      ? _buildDatePickerDetail(
-                          context,
-                          '${SentenceManager(currentLanguage: AppSettings.selectedLanguage).sentences.detailPageStart}:',
-                          controller.start.value,
-                          () => controller.updateField(
+                  _buildDatePickerDetail(
+                    context,
+                    '${SentenceManager(currentLanguage: AppSettings.selectedLanguage).sentences.detailPageStart}:',
+                    controller.start.value == "stop"
+                        ? "None"
+                        : controller.start.value,
+                    () => controller.start.value == "stop" ||
+                            controller.start.value == "-" ||
+                            controller.start.value.isEmpty
+                        ? controller.updateField(
                             controller.start,
                             controller.formatDate(DateTime.now()),
-                          ),
-                        )
-                      : _buildDetail(
-                          context,
-                          '${SentenceManager(currentLanguage: AppSettings.selectedLanguage).sentences.detailPageStart}:',
-                          controller.start.value,
-                          disabled: true),
+                          )
+                        : controller.start.value = "stop",
+                  ),
                   _buildDatePickerDetail(
                     context,
                     '${SentenceManager(currentLanguage: AppSettings.selectedLanguage).sentences.detailPageWait}:',
@@ -206,6 +207,9 @@ class TaskcDetailsView extends GetView<TaskcDetailsController> {
       {bool disabled = false}) {
     TaskwarriorColorTheme tColors =
         Theme.of(context).extension<TaskwarriorColorTheme>()!;
+    final Color? textColor =
+        disabled ? tColors.primaryDisabledTextColor : tColors.primaryTextColor;
+
     return Container(
       width: double.infinity,
       decoration: BoxDecoration(
@@ -227,23 +231,20 @@ class TaskcDetailsView extends GetView<TaskcDetailsController> {
         children: [
           Text(
             label,
-            style: TextStyle(
-              fontWeight: FontWeight.bold,
-              fontSize: 18,
-              color: disabled
-                  ? tColors.primaryDisabledTextColor
-                  : tColors.primaryTextColor,
+            style: GoogleFonts.poppins(
+              fontWeight: TaskWarriorFonts.bold,
+              fontSize: TaskWarriorFonts.fontSizeMedium,
+              color: textColor,
             ),
           ),
           const SizedBox(width: 8),
           Expanded(
             child: Text(
               value,
-              style: TextStyle(
-                fontSize: 18,
-                color: disabled
-                    ? tColors.primaryDisabledTextColor
-                    : tColors.primaryTextColor,
+              style: GoogleFonts.poppins(
+                fontWeight: FontWeight.normal,
+                fontSize: TaskWarriorFonts.fontSizeMedium,
+                color: textColor,
               ),
             ),
           ),
diff --git a/rust/src/api.rs b/rust/src/api.rs
index 6f049705..6129cc0f 100644
--- a/rust/src/api.rs
+++ b/rust/src/api.rs
@@ -108,7 +108,11 @@ pub fn update_task(
                     let _ = t.set_due(parse_datetime(&value), &mut ops);
                 }
                 "start" => {
-                    let _ = t.start(&mut ops);
+                    if value == "stop" {
+                        let _ = t.stop(&mut ops);
+                    } else {
+                        let _ = t.start(&mut ops);
+                    }
                 }
                 "wait" => {
                     let _ = t.set_wait(parse_datetime(&value), &mut ops);
@@ -135,7 +139,7 @@ pub fn update_task(
                     }
                 }
                 "project" => {
-                    let _ = t.set_user_defined_attribute("project", value, &mut ops);
+                    let _ = t.set_value("project", Some(value), &mut ops);
                 }
                 "status" => {
                     let status = match value.as_str() {