feat: session start screen, question context input, and G4F-style AI multi-provider fallback

lib/screens/oracle_spread_screen.dart

@@ -15,10 +15,13 @@ class OracleSpreadScreen extends StatefulWidget {
 
 class _OracleSpreadScreenState extends State<OracleSpreadScreen> {
   final _repo = WordsRepository();
+  final _questionController = TextEditingController();
   int _selectedMode = 0; // 0 = Single Card (Жребий момента), 1 = Triad (3 карты)
 
   WordItem? _singleDraw;
+  String? _singleHistoryId;
   List<WordItem> _triadDraw = [];
+  List<String> _triadHistoryIds = [];
   bool _isGenerating = false;
 
   @override
@@ -27,35 +30,47 @@ class _OracleSpreadScreenState extends State<OracleSpreadScreen> {
     _singleDraw = _repo.getRandomWord();
   }
 
+  @override
+  void dispose() {
+    _questionController.dispose();
+    super.dispose();
+  }
+
   Future<void> _performSingleDraw({bool saveHistory = true}) async {
     setState(() => _isGenerating = true);
     HapticFeedback.mediumImpact();
-    await Future.delayed(const Duration(milliseconds: 250));
+    await Future.delayed(const Duration(milliseconds: 200));
 
     final word = _repo.getRandomWord();
-    setState(() {
-      _singleDraw = word;
-      _isGenerating = false;
-    });
+    String? histId;
 
     if (saveHistory) {
+      histId = DateTime.now().millisecondsSinceEpoch.toString();
+      final question = _questionController.text.trim();
       final entry = HistoryEntry(
-        id: DateTime.now().millisecondsSinceEpoch.toString(),
+        id: histId,
         timestamp: DateTime.now(),
         word: word.word,
         sessionNumber: word.sessionNumber,
         partOfSpeech: word.partOfSpeech,
         symbolicMeaning: word.description,
         readingType: 'Жребий момента (1 символ)',
+        question: question.isNotEmpty ? question : null,
       );
       await _repo.addHistoryEntry(entry);
     }
+
+    setState(() {
+      _singleDraw = word;
+      _singleHistoryId = histId ?? _singleHistoryId;
+      _isGenerating = false;
+    });
   }
 
   Future<void> _performTriadDraw() async {
     setState(() => _isGenerating = true);
     HapticFeedback.heavyImpact();
-    await Future.delayed(const Duration(milliseconds: 300));
+    await Future.delayed(const Duration(milliseconds: 250));
 
     final words = <WordItem>[];
     final titles = [
@@ -71,14 +86,14 @@ class _OracleSpreadScreenState extends State<OracleSpreadScreen> {
       }
     }
 
-    setState(() {
-      _triadDraw = words;
-      _isGenerating = false;
-    });
+    final question = _questionController.text.trim();
+    final ids = <String>[];
 
     for (int i = 0; i < words.length; i++) {
+      final histId = '${DateTime.now().millisecondsSinceEpoch}_$i';
+      ids.add(histId);
       final entry = HistoryEntry(
-        id: '${DateTime.now().millisecondsSinceEpoch}_$i',
+        id: histId,
         timestamp: DateTime.now(),
         word: words[i].word,
         sessionNumber: words[i].sessionNumber,
@@ -86,9 +101,16 @@ class _OracleSpreadScreenState extends State<OracleSpreadScreen> {
         symbolicMeaning: words[i].description,
         readingType: 'Триада судьбы',
         positionTitle: titles[i],
+        question: question.isNotEmpty ? question : null,
       );
       await _repo.addHistoryEntry(entry);
     }
+
+    setState(() {
+      _triadDraw = words;
+      _triadHistoryIds = ids;
+      _isGenerating = false;
+    });
   }
 
   @override
@@ -115,6 +137,45 @@ class _OracleSpreadScreenState extends State<OracleSpreadScreen> {
           child: Column(
             crossAxisAlignment: CrossAxisAlignment.stretch,
             children: [
+              // Question Input
+              TextField(
+                controller: _questionController,
+                decoration: InputDecoration(
+                  labelText: 'Ваш вопрос к раскладу (необязательно)',
+                  hintText: 'Например: Чему учит эта ситуация?',
+                  prefixIcon: const Icon(Icons.help_outline_rounded, color: Color(0xFFFFD54F), size: 20),
+                  suffixIcon: _questionController.text.isNotEmpty
+                      ? IconButton(
+                          icon: const Icon(Icons.clear, size: 18),
+                          onPressed: () => _questionController.clear(),
+                        )
+                      : null,
+                  filled: true,
+                  fillColor: isDark ? const Color(0xFF17192C) : theme.colorScheme.surfaceContainerHigh,
+                  border: OutlineInputBorder(
+                    borderRadius: BorderRadius.circular(16),
+                    borderSide: BorderSide(
+                      color: const Color(0xFFFFD54F).withValues(alpha: 0.25),
+                    ),
+                  ),
+                  enabledBorder: OutlineInputBorder(
+                    borderRadius: BorderRadius.circular(16),
+                    borderSide: BorderSide(
+                      color: const Color(0xFFFFD54F).withValues(alpha: 0.2),
+                    ),
+                  ),
+                  focusedBorder: OutlineInputBorder(
+                    borderRadius: BorderRadius.circular(16),
+                    borderSide: const BorderSide(
+                      color: Color(0xFFFFD54F),
+                      width: 1.5,
+                    ),
+                  ),
+                ),
+              ),
+
+              const SizedBox(height: 12),
+
               // Mode Selector (1 символ / Триада 3 символа)
               Container(
                 padding: const EdgeInsets.all(4),
@@ -264,26 +325,38 @@ class _OracleSpreadScreenState extends State<OracleSpreadScreen> {
                 )
               else if (_selectedMode == 0 && _singleDraw != null)
                 WordCardWidget(
+                  key: ValueKey('${_singleDraw!.id}_${_singleDraw!.sessionNumber}'),
                   word: _singleDraw!,
                   positionTitle: 'Символ момента',
+                  question: _questionController.text.trim(),
+                  historyEntryId: _singleHistoryId,
                   onRandom: () => _performSingleDraw(saveHistory: true),
                 )
               else if (_selectedMode == 1 && _triadDraw.isNotEmpty)
                 Column(
                   children: [
                     WordCardWidget(
+                      key: ValueKey('triad_0_${_triadDraw[0].id}_${_triadDraw[0].sessionNumber}'),
                       word: _triadDraw[0],
                       positionTitle: '1. Истоки / Скрытая причина',
+                      question: _questionController.text.trim(),
+                      historyEntryId: _triadHistoryIds.isNotEmpty ? _triadHistoryIds[0] : null,
                     ),
                     const SizedBox(height: 14),
                     WordCardWidget(
+                      key: ValueKey('triad_1_${_triadDraw[1].id}_${_triadDraw[1].sessionNumber}'),
                       word: _triadDraw[1],
                       positionTitle: '2. Настоящее / Вызов',
+                      question: _questionController.text.trim(),
+                      historyEntryId: _triadHistoryIds.length > 1 ? _triadHistoryIds[1] : null,
                     ),
                     const SizedBox(height: 14),
                     WordCardWidget(
+                      key: ValueKey('triad_2_${_triadDraw[2].id}_${_triadDraw[2].sessionNumber}'),
                       word: _triadDraw[2],
                       positionTitle: '3. Совет / Исход',
+                      question: _questionController.text.trim(),
+                      historyEntryId: _triadHistoryIds.length > 2 ? _triadHistoryIds[2] : null,
                     ),
                   ],
                 ),