improvements in editing questions

lib/screens/attempt_result_screen.dart

@@ -15,6 +15,7 @@ class AttemptResultScreen extends StatefulWidget {
 class _AttemptResultScreenState extends State<AttemptResultScreen> {
   Deck? _deck;
   AttemptResult? _result;
+  Attempt? _completedAttempt;
   final DeckStorage _deckStorage = DeckStorage();
 
   @override
@@ -30,6 +31,7 @@ class _AttemptResultScreenState extends State<AttemptResultScreen> {
       final args = ModalRoute.of(context)?.settings.arguments as Map<String, dynamic>?;
       _deck = args?['deck'] as Deck? ?? _createSampleDeck();
       _result = args?['result'] as AttemptResult? ?? _createSampleResult();
+      _completedAttempt = args?['attempt'] as Attempt?;
     }
   }
 
@@ -63,7 +65,16 @@ class _AttemptResultScreenState extends State<AttemptResultScreen> {
 
   void _repeatSameAttempt() {
     if (_deck == null) return;
-    Navigator.pushReplacementNamed(context, Routes.attempt, arguments: _deck);
+    // Pass the completed attempt so the attempt screen uses the same questions in the same order
+    if (_completedAttempt != null && _completedAttempt!.questions.isNotEmpty) {
+      Navigator.pushReplacementNamed(
+        context,
+        Routes.attempt,
+        arguments: {'deck': _deck, 'repeatAttempt': _completedAttempt},
+      );
+    } else {
+      Navigator.pushReplacementNamed(context, Routes.attempt, arguments: _deck);
+    }
   }
 
   void _newAttempt() {
@@ -75,11 +86,12 @@ class _AttemptResultScreenState extends State<AttemptResultScreen> {
     if (_deck == null) return;
     // Save the updated deck to storage
     _deckStorage.saveDeckSync(_deck!);
-    // Navigate back to deck list
-    Navigator.pushNamedAndRemoveUntil(
+    // Navigate back to this deck's overview (decks screen), not the home deck list
+    Navigator.popUntil(context, (route) => route.settings.name == Routes.deckOverview);
+    Navigator.pushReplacementNamed(
       context,
-      Routes.deckList,
-      (route) => false,
+      Routes.deckOverview,
+      arguments: _deck,
     );
   }
 
@@ -273,7 +285,9 @@ class _AttemptResultScreenState extends State<AttemptResultScreen> {
                             StatusChip(statusChange: answerResult.statusChange),
                             const Spacer(),
                             Text(
-                              'Your answer${answerResult.userAnswerIndices.length > 1 ? 's' : ''}: ${answerResult.userAnswerIndices.map((idx) => answerResult.question.answers[idx]).join(', ')}',
+                              answerResult.userAnswerIndices.isEmpty
+                                  ? 'No answer'
+                                  : 'Your answer${answerResult.userAnswerIndices.length > 1 ? 's' : ''}: ${answerResult.userAnswerIndices.map((idx) => answerResult.question.answers[idx]).join(', ')}',
                               style: TextStyle(
                                 color: Colors.red,
                                 fontWeight: FontWeight.bold,
@@ -332,7 +346,9 @@ class _AttemptResultScreenState extends State<AttemptResultScreen> {
                   subtitle: Text(
                     answerResult.isCorrect
                         ? 'Correct'
-                        : 'Incorrect - Selected: ${answerResult.userAnswerIndices.map((idx) => answerResult.question.answers[idx]).join(', ')}',
+                        : answerResult.userAnswerIndices.isEmpty
+                            ? 'Incorrect - No answer'
+                            : 'Incorrect - Selected: ${answerResult.userAnswerIndices.map((idx) => answerResult.question.answers[idx]).join(', ')}',
                   ),
                   trailing: Row(
                     mainAxisSize: MainAxisSize.min,

lib/screens/attempt_screen.dart

@@ -101,6 +101,8 @@ class _AttemptScreenState extends State<AttemptScreen> {
       bool? includeKnown;
       bool? resumeAttempt;
       
+      final repeatAttempt = args is Map<String, dynamic> ? args['repeatAttempt'] as Attempt? : null;
+
       if (args is Map<String, dynamic>) {
         _deck = args['deck'] as Deck? ?? _createSampleDeck();
         includeKnown = args['includeKnown'] as bool?;
@@ -112,9 +114,36 @@ class _AttemptScreenState extends State<AttemptScreen> {
         _deck = _createSampleDeck();
         resumeAttempt = false;
       }
-      
-      // Check if we should resume an incomplete attempt
-      if (resumeAttempt == true && _deck!.incompleteAttempt != null) {
+
+      // Check if we should repeat the exact same attempt (same questions, same order)
+      if (repeatAttempt != null && repeatAttempt.questions.isNotEmpty) {
+        final orderedIds = repeatAttempt.questions.map((q) => q.id).toList();
+        final questions = <Question>[];
+        for (final id in orderedIds) {
+          final q = _deck!.questions.where((q) => q.id == id).firstOrNull;
+          if (q != null) questions.add(q);
+        }
+        if (questions.isNotEmpty) {
+          _attempt = Attempt(
+            id: 'repeat-${DateTime.now().millisecondsSinceEpoch}',
+            questions: questions,
+            startTime: DateTime.now().millisecondsSinceEpoch,
+          );
+          // Same as new attempt: randomize answer order per question when config enables it
+          _answerOrderPerQuestion = {};
+          final shuffleAnswers = _deck!.config.shuffleAnswerOrder;
+          for (final q in _attempt!.questions) {
+            final order = List.generate(q.answers.length, (i) => i);
+            if (shuffleAnswers) {
+              order.shuffle(math.Random());
+            }
+            _answerOrderPerQuestion[q.id] = order;
+          }
+        }
+      }
+
+      // If not repeating, check if we should resume an incomplete attempt
+      if (_attempt == null && resumeAttempt == true && _deck!.incompleteAttempt != null) {
         final incomplete = _deck!.incompleteAttempt!;
         _attempt = incomplete.toAttempt(_deck!.questions);
         _currentQuestionIndex = incomplete.currentQuestionIndex;
@@ -133,7 +162,10 @@ class _AttemptScreenState extends State<AttemptScreen> {
             _pageController.jumpToPage(_currentQuestionIndex);
           }
         });
-      } else {
+      }
+
+      // Otherwise create a new attempt
+      if (_attempt == null) {
         _attempt = _attemptService!.createAttempt(
           deck: _deck!,
           includeKnown: includeKnown,

lib/screens/deck_config_screen.dart

@@ -1,4 +1,7 @@
+import 'dart:convert';
+
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import '../utils/top_snackbar.dart';
 import 'package:practice_engine/practice_engine.dart';
 import '../services/deck_storage.dart';
@@ -135,8 +138,10 @@ class _DeckConfigScreenState extends State<DeckConfigScreen> {
     super.dispose();
   }
 
-  void _save() {
-    if (_deck == null || _config == null) return;
+  /// Builds config from current form state, validates, persists if valid.
+  /// Returns true if saved, false if validation failed.
+  bool _applyAndPersist() {
+    if (_deck == null || _config == null) return false;
 
     final consecutive = int.tryParse(_consecutiveController.text);
     final attemptSize = int.tryParse(_attemptSizeController.text);
@@ -153,7 +158,7 @@ class _DeckConfigScreenState extends State<DeckConfigScreen> {
           backgroundColor: Colors.red,
         ),
       );
-      return;
+      return false;
     }
 
     if (consecutive < 1 ||
@@ -166,7 +171,7 @@ class _DeckConfigScreenState extends State<DeckConfigScreen> {
           backgroundColor: Colors.red,
         ),
       );
-      return;
+      return false;
     }
 
     // Calculate time limit in seconds
@@ -176,7 +181,7 @@ class _DeckConfigScreenState extends State<DeckConfigScreen> {
       final minutes = int.tryParse(_timeLimitMinutesController.text) ?? 0;
       final seconds = int.tryParse(_timeLimitSecondsController.text) ?? 0;
       final totalSeconds = hours * 3600 + minutes * 60 + seconds;
-      
+
       if (totalSeconds > 0) {
         timeLimitSeconds = totalSeconds;
       } else {
@@ -186,7 +191,7 @@ class _DeckConfigScreenState extends State<DeckConfigScreen> {
             backgroundColor: Colors.red,
           ),
         );
-        return;
+        return false;
       }
     }
 
@@ -203,21 +208,78 @@ class _DeckConfigScreenState extends State<DeckConfigScreen> {
     );
 
     final updatedDeck = _deck!.copyWith(config: updatedConfig);
+    final deckStorage = DeckStorage();
+    deckStorage.saveDeckSync(updatedDeck);
 
-    // Show success message
-    showTopSnackBar(
-      context,
-      message: 'Deck configuration saved successfully',
-      backgroundColor: Colors.green,
-      duration: const Duration(seconds: 1),
-    );
+    setState(() {
+      _deck = updatedDeck;
+      _config = updatedConfig;
+      _configHashCode = updatedConfig.hashCode;
+    });
+    return true;
+  }
 
-    // Pop with the updated deck
-    Navigator.pop(context, updatedDeck);
+  Map<String, dynamic> _configToJsonMap() {
+    int? timeLimitSeconds;
+    if (_timeLimitEnabled) {
+      final hours = int.tryParse(_timeLimitHoursController.text) ?? 0;
+      final minutes = int.tryParse(_timeLimitMinutesController.text) ?? 0;
+      final seconds = int.tryParse(_timeLimitSecondsController.text) ?? 0;
+      timeLimitSeconds = hours * 3600 + minutes * 60 + seconds;
+      if (timeLimitSeconds == 0) timeLimitSeconds = null;
+    }
+    return {
+      'requiredConsecutiveCorrect': int.tryParse(_consecutiveController.text) ?? _config!.requiredConsecutiveCorrect,
+      'defaultAttemptSize': int.tryParse(_attemptSizeController.text) ?? _config!.defaultAttemptSize,
+      'priorityIncreaseOnIncorrect': int.tryParse(_priorityIncreaseController.text) ?? _config!.priorityIncreaseOnIncorrect,
+      'priorityDecreaseOnCorrect': int.tryParse(_priorityDecreaseController.text) ?? _config!.priorityDecreaseOnCorrect,
+      'immediateFeedbackEnabled': _immediateFeedback,
+      'includeKnownInAttempts': _includeKnownInAttempts,
+      'shuffleAnswerOrder': _shuffleAnswerOrder,
+      'excludeFlaggedQuestions': _excludeFlaggedQuestions,
+      if (timeLimitSeconds != null) 'timeLimitSeconds': timeLimitSeconds,
+    };
   }
 
-  void _cancel() {
-    Navigator.pop(context);
+  void _showAsJson() {
+    if (_deck == null || _config == null) return;
+    final map = _configToJsonMap();
+    final jsonString = const JsonEncoder.withIndent('  ').convert(map);
+    showDialog<void>(
+      context: context,
+      builder: (context) => AlertDialog(
+        title: const Text('Attempt Settings as JSON'),
+        content: SingleChildScrollView(
+          child: SelectableText(
+            jsonString,
+            style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+              fontFamily: 'monospace',
+              fontSize: 12,
+            ),
+          ),
+        ),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.pop(context),
+            child: const Text('Close'),
+          ),
+          FilledButton.icon(
+            onPressed: () {
+              Clipboard.setData(ClipboardData(text: jsonString));
+              Navigator.pop(context);
+              showTopSnackBar(
+                context,
+                message: 'JSON copied to clipboard',
+                backgroundColor: Colors.green,
+                duration: const Duration(seconds: 1),
+              );
+            },
+            icon: const Icon(Icons.copy, size: 20),
+            label: const Text('Copy'),
+          ),
+        ],
+      ),
+    );
   }
 
   void _editDeck() {
@@ -307,7 +369,18 @@ class _DeckConfigScreenState extends State<DeckConfigScreen> {
 
     return Scaffold(
       appBar: AppBar(
-        title: const Text('Deck Configuration'),
+        title: const Text('Attempt Settings'),
+        leading: IconButton(
+          icon: const Icon(Icons.arrow_back),
+          onPressed: () => Navigator.pop(context, _deck),
+        ),
+        actions: [
+          IconButton(
+            icon: const Icon(Icons.code),
+            onPressed: _showAsJson,
+            tooltip: 'Show as JSON',
+          ),
+        ],
       ),
       body: SingleChildScrollView(
         padding: const EdgeInsets.all(16),
@@ -335,6 +408,7 @@ class _DeckConfigScreenState extends State<DeckConfigScreen> {
                         border: OutlineInputBorder(),
                       ),
                       keyboardType: TextInputType.number,
+                      onEditingComplete: _applyAndPersist,
                     ),
                     const SizedBox(height: 16),
 
@@ -347,6 +421,7 @@ class _DeckConfigScreenState extends State<DeckConfigScreen> {
                         border: OutlineInputBorder(),
                       ),
                       keyboardType: TextInputType.number,
+                      onEditingComplete: _applyAndPersist,
                     ),
                     const SizedBox(height: 16),
 
@@ -359,6 +434,7 @@ class _DeckConfigScreenState extends State<DeckConfigScreen> {
                         border: OutlineInputBorder(),
                       ),
                       keyboardType: TextInputType.number,
+                      onEditingComplete: _applyAndPersist,
                     ),
                     const SizedBox(height: 16),
 
@@ -371,6 +447,7 @@ class _DeckConfigScreenState extends State<DeckConfigScreen> {
                         border: OutlineInputBorder(),
                       ),
                       keyboardType: TextInputType.number,
+                      onEditingComplete: _applyAndPersist,
                     ),
                     const SizedBox(height: 16),
 
@@ -385,6 +462,7 @@ class _DeckConfigScreenState extends State<DeckConfigScreen> {
                         setState(() {
                           _immediateFeedback = value;
                         });
+                        _applyAndPersist();
                       },
                     ),
                     const SizedBox(height: 16),
@@ -400,6 +478,7 @@ class _DeckConfigScreenState extends State<DeckConfigScreen> {
                         setState(() {
                           _includeKnownInAttempts = value;
                         });
+                        _applyAndPersist();
                       },
                     ),
                     const SizedBox(height: 16),
@@ -415,6 +494,7 @@ class _DeckConfigScreenState extends State<DeckConfigScreen> {
                         setState(() {
                           _shuffleAnswerOrder = value;
                         });
+                        _applyAndPersist();
                       },
                     ),
                     const SizedBox(height: 16),
@@ -430,6 +510,7 @@ class _DeckConfigScreenState extends State<DeckConfigScreen> {
                         setState(() {
                           _excludeFlaggedQuestions = value;
                         });
+                        _applyAndPersist();
                       },
                     ),
                     const SizedBox(height: 16),
@@ -450,6 +531,7 @@ class _DeckConfigScreenState extends State<DeckConfigScreen> {
                             _timeLimitSecondsController.clear();
                           }
                         });
+                        _applyAndPersist();
                       },
                     ),
                     if (_timeLimitEnabled) ...[
@@ -464,6 +546,7 @@ class _DeckConfigScreenState extends State<DeckConfigScreen> {
                                 border: OutlineInputBorder(),
                               ),
                               keyboardType: TextInputType.number,
+                              onEditingComplete: _applyAndPersist,
                             ),
                           ),
                           const SizedBox(width: 8),
@@ -475,6 +558,7 @@ class _DeckConfigScreenState extends State<DeckConfigScreen> {
                                 border: OutlineInputBorder(),
                               ),
                               keyboardType: TextInputType.number,
+                              onEditingComplete: _applyAndPersist,
                             ),
                           ),
                           const SizedBox(width: 8),
@@ -486,6 +570,7 @@ class _DeckConfigScreenState extends State<DeckConfigScreen> {
                                 border: OutlineInputBorder(),
                               ),
                               keyboardType: TextInputType.number,
+                              onEditingComplete: _applyAndPersist,
                             ),
                           ),
                         ],
@@ -579,26 +664,6 @@ class _DeckConfigScreenState extends State<DeckConfigScreen> {
                 ),
               ),
             ),
-            const SizedBox(height: 24),
-
-            // Action Buttons
-            Row(
-              children: [
-                Expanded(
-                  child: OutlinedButton(
-                    onPressed: _cancel,
-                    child: const Text('Cancel'),
-                  ),
-                ),
-                const SizedBox(width: 16),
-                Expanded(
-                  child: FilledButton(
-                    onPressed: _save,
-                    child: const Text('Save'),
-                  ),
-                ),
-              ],
-            ),
           ],
         ),
       ),

lib/screens/deck_edit_screen.dart

@@ -16,6 +16,8 @@ class _DeckEditScreenState extends State<DeckEditScreen> {
   late TextEditingController _descriptionController;
   final List<QuestionEditor> _questionEditors = [];
   final DeckStorage _deckStorage = DeckStorage();
+  final ScrollController _scrollController = ScrollController();
+  int? _focusNewQuestionIndex;
 
   @override
   void initState() {
@@ -48,6 +50,7 @@ class _DeckEditScreenState extends State<DeckEditScreen> {
 
   @override
   void dispose() {
+    _scrollController.dispose();
     _titleController.dispose();
     _descriptionController.dispose();
     for (final editor in _questionEditors) {
@@ -59,6 +62,21 @@ class _DeckEditScreenState extends State<DeckEditScreen> {
   void _addQuestion() {
     setState(() {
       _questionEditors.add(QuestionEditor.empty());
+      _focusNewQuestionIndex = _questionEditors.length - 1;
+    });
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      if (!mounted) return;
+      final pos = _scrollController.position;
+      if (pos.maxScrollExtent > pos.pixels) {
+        _scrollController.animateTo(
+          pos.maxScrollExtent,
+          duration: const Duration(milliseconds: 300),
+          curve: Curves.easeOut,
+        );
+      }
+      Future.microtask(() {
+        if (mounted) setState(() => _focusNewQuestionIndex = null);
+      });
     });
   }
 
@@ -156,6 +174,7 @@ class _DeckEditScreenState extends State<DeckEditScreen> {
         ],
       ),
       body: SingleChildScrollView(
+        controller: _scrollController,
         padding: const EdgeInsets.all(16),
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.stretch,
@@ -197,6 +216,7 @@ class _DeckEditScreenState extends State<DeckEditScreen> {
                 onDelete: () => _removeQuestion(index),
                 onUnflag: null,
                 onChanged: () => setState(() {}),
+                requestFocusOnPrompt: _focusNewQuestionIndex == index,
               );
             }),
 
@@ -243,6 +263,7 @@ class QuestionEditorCard extends StatefulWidget {
   final VoidCallback? onDelete;
   final VoidCallback? onUnflag;
   final VoidCallback onChanged;
+  final bool requestFocusOnPrompt;
 
   const QuestionEditorCard({
     super.key,
@@ -251,6 +272,7 @@ class QuestionEditorCard extends StatefulWidget {
     this.onDelete,
     this.onUnflag,
     required this.onChanged,
+    this.requestFocusOnPrompt = false,
   });
 
   @override
@@ -258,8 +280,31 @@ class QuestionEditorCard extends StatefulWidget {
 }
 
 class _QuestionEditorCardState extends State<QuestionEditorCard> {
+  final FocusNode _promptFocusNode = FocusNode();
+
+  @override
+  void dispose() {
+    _promptFocusNode.dispose();
+    super.dispose();
+  }
+
+  @override
+  void didUpdateWidget(QuestionEditorCard oldWidget) {
+    super.didUpdateWidget(oldWidget);
+    if (widget.requestFocusOnPrompt && !oldWidget.requestFocusOnPrompt) {
+      WidgetsBinding.instance.addPostFrameCallback((_) {
+        if (mounted) _promptFocusNode.requestFocus();
+      });
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
+    if (widget.requestFocusOnPrompt) {
+      WidgetsBinding.instance.addPostFrameCallback((_) {
+        if (mounted) _promptFocusNode.requestFocus();
+      });
+    }
     return Card(
       margin: const EdgeInsets.only(bottom: 16),
       child: Padding(
@@ -297,6 +342,7 @@ class _QuestionEditorCardState extends State<QuestionEditorCard> {
             // Question Prompt
             TextField(
               controller: widget.editor.promptController,
+              focusNode: _promptFocusNode,
               decoration: const InputDecoration(
                 labelText: 'Question',
                 border: OutlineInputBorder(),

packages/practice_engine/lib/logic/attempt_service.dart

@@ -80,29 +80,32 @@ class AttemptService {
           .firstOrNull ?? questionInAttempt;
 
       final userAnswer = answers[currentQuestion.id];
-      if (userAnswer == null) {
-        // Question not answered, treat as incorrect
-        continue;
-      }
 
-      // Handle both single answer (int) and multiple answers (List<int>)
+      // Not answering or invalid format: treat same as incorrect
       final List<int> userAnswerIndices;
-      if (userAnswer is int) {
+      final bool isCorrect;
+      if (userAnswer == null) {
+        userAnswerIndices = [];
+        isCorrect = false;
+      } else if (userAnswer is int) {
         userAnswerIndices = [userAnswer];
+        final correctIndices = currentQuestion.correctIndices;
+        final userSet = userAnswerIndices.toSet();
+        final correctSet = correctIndices.toSet();
+        isCorrect = userSet.length == correctSet.length &&
+            userSet.every((idx) => correctSet.contains(idx));
       } else if (userAnswer is List<int>) {
         userAnswerIndices = userAnswer;
+        final correctIndices = currentQuestion.correctIndices;
+        final userSet = userAnswerIndices.toSet();
+        final correctSet = correctIndices.toSet();
+        isCorrect = userSet.length == correctSet.length &&
+            userSet.every((idx) => correctSet.contains(idx));
       } else {
-        // Invalid format, treat as incorrect
-        continue;
+        userAnswerIndices = [];
+        isCorrect = false;
       }
 
-      // Check if answer is correct
-      // For multiple correct answers: user must select all correct answers and no incorrect ones
-      final correctIndices = currentQuestion.correctIndices;
-      final userSet = userAnswerIndices.toSet();
-      final correctSet = correctIndices.toSet();
-      final isCorrect = userSet.length == correctSet.length &&
-                       userSet.every((idx) => correctSet.contains(idx));
       final userMarkedNeedsPractice = overrides[currentQuestion.id] ?? false;
 
       // Determine status change (from current deck state)