diff --git a/apps/lib/features/divination/presentation/screens/auto_divination_screen.dart b/apps/lib/features/divination/presentation/screens/auto_divination_screen.dart
index ab4bf9f..d5600f5 100644
--- a/apps/lib/features/divination/presentation/screens/auto_divination_screen.dart
+++ b/apps/lib/features/divination/presentation/screens/auto_divination_screen.dart
@@ -7,21 +7,30 @@ import 'package:intl/intl.dart';
 import 'package:sensors_plus/sensors_plus.dart';
 import 'package:vibration/vibration.dart';
 
+import '../../../../core/network/api_problem.dart';
+import '../../../../core/network/api_problem_mapper.dart';
 import '../../../../l10n/app_localizations.dart';
-import '../../../../shared/theme/app_color_palette.dart';
 import '../../../../shared/theme/design_tokens.dart';
 import '../../../../shared/widgets/divination/divination_shared_widgets.dart';
 import '../../../../shared/widgets/divination/divination_terms.dart';
 import '../../../../shared/widgets/divination/yao_legend.dart';
 import '../../../../shared/widgets/divination/yao_line_row.dart';
+import '../../../../shared/widgets/date_time_picker/date_time_picker_bottom_sheet.dart';
+import '../../../../shared/widgets/toast/toast.dart';
+import '../../../../shared/widgets/toast/toast_type.dart';
 import '../../data/models/divination_params.dart';
-import '../../data/services/divination_result_builder.dart';
+import '../../data/services/divination_run_service.dart';
 import 'divination_result_screen.dart';
 
 class AutoDivinationScreen extends StatefulWidget {
-  const AutoDivinationScreen({super.key, required this.params});
+  const AutoDivinationScreen({
+    super.key,
+    required this.params,
+    required this.runService,
+  });
 
   final DivinationParams params;
+  final DivinationRunService runService;
 
   @override
   State<AutoDivinationScreen> createState() => _AutoDivinationScreenState();
@@ -29,7 +38,6 @@ class AutoDivinationScreen extends StatefulWidget {
 
 class _AutoDivinationScreenState extends State<AutoDivinationScreen>
     with TickerProviderStateMixin {
-  final DivinationResultBuilder _resultBuilder = DivinationResultBuilder();
   final Random _random = Random.secure();
   final List<YaoType> _yaoStates = List<YaoType>.filled(
     6,
@@ -46,6 +54,7 @@ class _AutoDivinationScreenState extends State<AutoDivinationScreen>
   int _shakeCount = 0;
   DateTime _lastShake = DateTime.fromMillisecondsSinceEpoch(0);
   bool _spinLocked = false;
+  bool _submitting = false;
 
   @override
   void initState() {
@@ -83,7 +92,6 @@ class _AutoDivinationScreenState extends State<AutoDivinationScreen>
   }
 
   Widget _buildBody(BuildContext context, AppLocalizations l10n) {
-    final palette = Theme.of(context).extension<AppColorPalette>()!;
     return SingleChildScrollView(
       padding: const EdgeInsets.all(AppSpacing.xl),
       child: Column(
@@ -109,15 +117,8 @@ class _AutoDivinationScreenState extends State<AutoDivinationScreen>
           _HexagramCard(yaoStates: _yaoStates),
           const SizedBox(height: AppSpacing.lg),
           _ResolveButton(
-            enabled: _shakeCount >= 6,
-            onPressed: _showMockPayload,
-          ),
-          const SizedBox(height: AppSpacing.sm),
-          Text(
-            l10n.autoSimBalance(widget.params.coinBalance),
-            style: Theme.of(
-              context,
-            ).textTheme.bodySmall?.copyWith(color: palette.warning),
+            enabled: _shakeCount >= 6 && !_submitting,
+            onPressed: _submitRun,
           ),
         ],
       ),
@@ -206,42 +207,56 @@ class _AutoDivinationScreenState extends State<AutoDivinationScreen>
   }
 
   Future<void> _pickTime() async {
-    final date = await showDatePicker(
+    final result = await showDateTimePickerBottomSheet(
       context: context,
-      initialDate: _selectedTime,
-      firstDate: DateTime(2000),
-      lastDate: DateTime(2100),
+      initialDateTime: _selectedTime,
+      minDateTime: DateTime(2000),
+      maxDateTime: DateTime(2100),
     );
-    if (date == null || !mounted) return;
-    final time = await showTimePicker(
-      context: context,
-      initialTime: TimeOfDay.fromDateTime(_selectedTime),
-    );
-    if (time == null || !mounted) return;
+    if (result == null || !mounted) return;
     setState(() {
-      _selectedTime = DateTime(
-        date.year,
-        date.month,
-        date.day,
-        time.hour,
-        time.minute,
-      );
+      _selectedTime = result;
     });
   }
 
-  Future<void> _showMockPayload() async {
-    final result = _resultBuilder.build(
-      params: widget.params.copyWith(divinationTime: _selectedTime),
-      yaoStates: _yaoStates,
-    );
-    if (!mounted) {
-      return;
+  Future<void> _submitRun() async {
+    final l10n = AppLocalizations.of(context)!;
+    setState(() {
+      _submitting = true;
+    });
+    try {
+      final aggregate = await widget.runService.run(
+        params: widget.params.copyWith(divinationTime: _selectedTime),
+        yaoStates: _yaoStates,
+      );
+      if (!mounted) {
+        return;
+      }
+      Navigator.of(context).push(
+        MaterialPageRoute<void>(
+          builder: (_) => DivinationResultScreen(
+            data: aggregate.toViewData(
+              widget.params.copyWith(divinationTime: _selectedTime),
+            ),
+          ),
+        ),
+      );
+    } catch (error) {
+      if (!mounted) {
+        return;
+      }
+      final message = error is ApiProblem
+          ? mapApiProblemToMessage(error, l10n)
+          : l10n.errorRequestGeneric;
+      Toast.show(context, message, type: ToastType.error);
+    } finally {
+      if (!mounted) {
+        return;
+      }
+      setState(() {
+        _submitting = false;
+      });
     }
-    Navigator.of(context).push(
-      MaterialPageRoute<void>(
-        builder: (_) => DivinationResultScreen(data: result),
-      ),
-    );
   }
 
   Future<void> _vibrateStrong() async {
@@ -325,7 +340,9 @@ class _TimeSelectorCard extends StatelessWidget {
               children: [
                 Expanded(
                   child: Text(
-                    DateFormat('yyyy年MM月dd日 HH:mm').format(selectedTime),
+                    DateFormat.yMd(
+                      Localizations.localeOf(context).toString(),
+                    ).add_Hm().format(selectedTime),
                     style: Theme.of(context).textTheme.titleMedium,
                   ),
                 ),