fix(tv): make select activation one-shot

lib/screens/profile/pin_entry_dialog.dart

@@ -380,6 +380,9 @@ class _TvPinInputState extends State<_TvPinInput> with ControllerDisposerMixin {
 
     final backResult = handleBackKeyAction(event, widget.onCancel);
     if (backResult != KeyEventResult.ignored) return backResult;
+    if (event.isTvSelectEvent || (PlatformDetector.isTV() && event.isPhysicalKeyboardEnter)) {
+      return handleOneShotSelect(event, () => _activate(_rows[_row][_column]));
+    }
 
     if (event is KeyDownEvent || event is KeyRepeatEvent) {
       if (key == LogicalKeyboardKey.backspace || key == LogicalKeyboardKey.delete) {
@@ -387,11 +390,6 @@ class _TvPinInputState extends State<_TvPinInput> with ControllerDisposerMixin {
         return KeyEventResult.handled;
       }
 
-      if (event.isTvSelectEvent || (PlatformDetector.isTV() && event.isPhysicalKeyboardEnter)) {
-        _activate(_rows[_row][_column]);
-        return KeyEventResult.handled;
-      }
-
       if (event.isPhysicalKeyboardEnter) {
         _trySubmit();
         return KeyEventResult.handled;

lib/widgets/tv_virtual_keyboard.dart

@@ -5,6 +5,7 @@ import 'package:flutter/services.dart';
 import 'package:material_symbols_icons/symbols.dart';
 
 import '../focus/dpad_navigator.dart';
+import '../focus/key_event_utils.dart';
 import '../i18n/strings.g.dart';
 import '../utils/platform_detector.dart';
 import 'app_icon.dart';
@@ -348,6 +349,9 @@ class _TvVirtualKeyboardDialogState extends State<_TvVirtualKeyboardDialog> {
       if (event is KeyUpEvent) Navigator.of(context).pop();
       return KeyEventResult.handled;
     }
+    if (event.isTvSelectEvent) {
+      return handleOneShotSelect(event, () => _activate(_rows[_row][_column]));
+    }
 
     if (event is KeyDownEvent || event is KeyRepeatEvent) {
       if (_handlePhysicalKeyboardTextInput(event)) return KeyEventResult.handled;
@@ -370,11 +374,6 @@ class _TvVirtualKeyboardDialogState extends State<_TvVirtualKeyboardDialog> {
         return KeyEventResult.handled;
       }
 
-      if (event.isTvSelectEvent) {
-        _activate(_rows[_row][_column]);
-        return KeyEventResult.handled;
-      }
-
       if (key.isUpKey) {
         _moveVertical(-1);
         return KeyEventResult.handled;

test/widgets/pin_entry_dialog_test.dart

@@ -219,6 +219,29 @@ void main() {
     expect(find.byType(PinEntryDialog), findsNothing);
   });
 
+  testWidgets('held D-pad select activates each PIN key once', (tester) async {
+    TvDetectionService.debugSetAppleTVOverride(true);
+    String? result;
+
+    await _pumpPinDialogLauncher(tester, onResult: (pin) => result = pin);
+    await tester.tap(find.text('Open'));
+    await tester.pumpAndSettle();
+
+    await _holdDpadSelect(tester); // 1
+    await _pressDpadKey(tester, LogicalKeyboardKey.arrowRight, PhysicalKeyboardKey.arrowRight);
+    await _pressDpadKey(tester, LogicalKeyboardKey.select, PhysicalKeyboardKey.select); // 2
+    await _pressDpadKey(tester, LogicalKeyboardKey.arrowRight, PhysicalKeyboardKey.arrowRight);
+    await _pressDpadKey(tester, LogicalKeyboardKey.select, PhysicalKeyboardKey.select); // 3
+    await _pressDpadKey(tester, LogicalKeyboardKey.arrowLeft, PhysicalKeyboardKey.arrowLeft);
+    await _pressDpadKey(tester, LogicalKeyboardKey.arrowLeft, PhysicalKeyboardKey.arrowLeft);
+    await _pressDpadKey(tester, LogicalKeyboardKey.arrowDown, PhysicalKeyboardKey.arrowDown);
+    await _pressDpadKey(tester, LogicalKeyboardKey.select, PhysicalKeyboardKey.select); // 4
+    await tester.pumpAndSettle();
+
+    expect(result, '1234');
+    expect(find.byType(PinEntryDialog), findsNothing);
+  });
+
   testWidgets('Android TV keyboard-mapped enter/select activates highlighted PIN key', (tester) async {
     TvDetectionService.debugSetAppleTVOverride(true);
     String? result;
@@ -359,6 +382,34 @@ Future<void> _pressKey(WidgetTester tester, LogicalKeyboardKey key) async {
   await tester.pump();
 }
 
+Future<void> _holdDpadSelect(WidgetTester tester) async {
+  _dispatchKey(
+    const KeyDownEvent(
+      physicalKey: PhysicalKeyboardKey.select,
+      logicalKey: LogicalKeyboardKey.select,
+      timeStamp: Duration.zero,
+      deviceType: ui.KeyEventDeviceType.directionalPad,
+    ),
+  );
+  _dispatchKey(
+    const KeyRepeatEvent(
+      physicalKey: PhysicalKeyboardKey.select,
+      logicalKey: LogicalKeyboardKey.select,
+      timeStamp: Duration(milliseconds: 100),
+      deviceType: ui.KeyEventDeviceType.directionalPad,
+    ),
+  );
+  _dispatchKey(
+    const KeyUpEvent(
+      physicalKey: PhysicalKeyboardKey.select,
+      logicalKey: LogicalKeyboardKey.select,
+      timeStamp: Duration(milliseconds: 200),
+      deviceType: ui.KeyEventDeviceType.directionalPad,
+    ),
+  );
+  await tester.pump();
+}
+
 Future<void> _pressDpadKey(WidgetTester tester, LogicalKeyboardKey logicalKey, PhysicalKeyboardKey physicalKey) async {
   _dispatchKey(
     KeyDownEvent(

test/widgets/tv_virtual_keyboard_test.dart

@@ -43,6 +43,21 @@ void main() {
     expect(find.byType(Dialog), findsOneWidget);
   });
 
+  testWidgets('held select activates the highlighted key once', (tester) async {
+    final controller = TextEditingController();
+    addTearDown(controller.dispose);
+
+    await _pumpKeyboard(tester, controller: controller);
+
+    await tester.sendKeyDownEvent(LogicalKeyboardKey.select);
+    await tester.sendKeyRepeatEvent(LogicalKeyboardKey.select);
+    await tester.sendKeyUpEvent(LogicalKeyboardKey.select);
+    await tester.pump();
+
+    expect(controller.text, '1');
+    expect(find.byType(Dialog), findsOneWidget);
+  });
+
   testWidgets('directional pad enter activates highlighted key', (tester) async {
     final controller = TextEditingController();
     addTearDown(controller.dispose);