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packages/feature_game_read_aloud/lib/feature_game_read_aloud.dart

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+library feature_game_read_aloud;
+
+export 'screens/read_aloud_game_screen.dart';
+export 'screens/read_aloud_lobby_screen.dart'; // 추가

packages/feature_game_read_aloud/lib/models/read_aloud_difficulty.dart

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+import 'dart:math';
+
+class ReadAloudDifficultyRepository {
+  static final Random _random = Random();
+
+  static final Map<int, List<String>> _levels = {
+    // Lv 1: 2~3글자 단어 (기초)
+    1: ['사과', '포도', '모자', '구두', '바지', '치마', '우산', '가방', '시계', '안경'],
+    
+    // Lv 2: 4글자 이상 단어 (일상)
+    2: ['텔레비전', '냉장고', '세탁기', '청소기', '선풍기', '자동차', '비행기', '자전거', '지하철'],
+    
+    // Lv 3: 간단한 문장 (인사/안부)
+    3: ['안녕하세요', '반갑습니다', '감사합니다', '잘 지내세요', '식사 하셨어요', '날씨가 좋네요'],
+    
+    // Lv 4: 띄어쓰기가 있는 문장
+    4: ['오늘 점심은 무엇인가요', '산책하기 좋은 날씨입니다', '건강이 최고입니다', '매일 운동을 합니다'],
+    
+    // Lv 5: 속담 / 격언 (인지 훈련)
+    5: ['가는 말이 고와야 오는 말이 곱다', '낮말은 새가 듣고 밤말은 쥐가 듣는다', '돌다리도 두들겨 보고 건너라', '발 없는 말이 천 리 간다'],
+    
+    // Lv 6: 긴 문장 (뉴스/정보)
+    6: ['규칙적인 식사와 운동은 건강에 좋습니다', '충분한 수분 섭취는 기억력에 도움이 됩니다', '잠을 푹 자는 것이 보약입니다'],
+  };
+
+  static String getSentence(int level) {
+    // 범위 보정 (1~6)
+    int targetLevel = level.clamp(1, 6);
+    final list = _levels[targetLevel]!;
+    return list[_random.nextInt(list.length)];
+  }
+}

packages/feature_game_read_aloud/lib/screens/read_aloud_game_screen.dart

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+import 'package:flutter/material.dart';
+import 'package:speech_to_text/speech_to_text.dart' as stt;
+import 'package:feature_common/feature_common.dart';
+import '../models/read_aloud_difficulty.dart';
+
+class ReadAloudGameScreen extends BaseGameScreen {
+  final int levelIndex;
+
+  const ReadAloudGameScreen({
+    super.key, 
+    super.onNextGame,
+    this.levelIndex = 1,
+  });
+
+  @override
+  State<ReadAloudGameScreen> createState() => _ReadAloudGameScreenState();
+}
+
+class _ReadAloudGameScreenState extends BaseGameScreenState<ReadAloudGameScreen> {
+  late stt.SpeechToText _speech;
+  
+  // 상태 변수
+  bool _isInitialized = false;
+  bool _isListening = false;
+  String _textRecognized = "";
+  String _targetSentence = "";
+  
+  // 라운드 관리
+  int _currentRound = 1;
+  int _totalRounds = 1;
+
+  @override
+  void initState() {
+    super.initState();
+    _speech = stt.SpeechToText();
+    
+    // 1. 라운드 설정 및 첫 문제 로드
+    _calculateTotalRounds();
+    _loadNewProblem();
+    
+    // 2. STT 초기화
+    _initSpeechState();
+  }
+
+  void _calculateTotalRounds() {
+    if (widget.levelIndex <= 3) {
+      _totalRounds = 5; // Lv 1~3: 5문제
+    } else {
+      _totalRounds = 3; // Lv 4~6: 3문제
+    }
+  }
+
+  void _loadNewProblem() {
+    setState(() {
+      // 해당 레벨의 랜덤 문장 가져오기
+      _targetSentence = ReadAloudDifficultyRepository.getSentence(widget.levelIndex);
+      _textRecognized = "";
+      _isListening = false;
+    });
+    _speech.stop(); // 이전 듣기 중단
+  }
+
+  void _initSpeechState() async {
+    try {
+      bool available = await _speech.initialize(
+        onStatus: (status) {
+          if (status == 'done' || status == 'notListening') {
+            if (mounted) setState(() => _isListening = false);
+          }
+        },
+        onError: (errorNotification) {
+          debugPrint('STT Error: $errorNotification');
+          if (mounted) {
+            setState(() => _isListening = false);
+            // 에러 발생 시 사용자에게 알림 (선택 사항)
+          }
+        },
+      );
+
+      if (mounted) {
+        setState(() => _isInitialized = available);
+      }
+    } catch (e) {
+      debugPrint("STT Initialize Failed: $e");
+    }
+  }
+
+  void _toggleListening() {
+    if (!_isInitialized) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(content: Text('마이크 권한을 확인하거나 초기화 중입니다.')),
+      );
+      return;
+    }
+
+    if (_isListening) {
+      _speech.stop();
+      setState(() => _isListening = false);
+    } else {
+      setState(() {
+        _isListening = true;
+        _textRecognized = ""; 
+      });
+      
+      _speech.listen(
+        onResult: (result) {
+          setState(() {
+            _textRecognized = result.recognizedWords;
+          });
+          _checkSuccess();
+        },
+        localeId: 'ko_KR',
+        listenFor: const Duration(seconds: 15), 
+        pauseFor: const Duration(seconds: 3),
+      );
+    }
+  }
+
+  void _checkSuccess() {
+    final String cleanTarget = _targetSentence.replaceAll(' ', '');
+    final String cleanInput = _textRecognized.replaceAll(' ', '');
+
+    if (cleanInput.contains(cleanTarget)) {
+      _speech.stop();
+      setState(() => _isListening = false);
+      _handleRoundCompletion(); // 라운드 완료 처리
+    }
+  }
+
+  // 🔽 [수정] 성공 시 라운드 체크
+  void _handleRoundCompletion() {
+    if (_currentRound < _totalRounds) {
+      // 1. 다음 라운드로 이동
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text("정확합니다! 다음 문제로 넘어갑니다. (${_currentRound + 1}/$_totalRounds)"),
+          duration: const Duration(milliseconds: 1000),
+          behavior: SnackBarBehavior.floating,
+        ),
+      );
+
+      setState(() {
+        _currentRound++;
+      });
+
+      // 자연스러운 전환을 위해 잠시 대기
+      Future.delayed(const Duration(milliseconds: 1000), () {
+        if (mounted) _loadNewProblem();
+      });
+
+    } else {
+      // 2. 모든 라운드 종료 -> 게임 클리어
+      showCommonGameCompletion(
+        GameResultArgs(
+          gameType: 'READ_ALOUD',
+          contextId: 'Lv${widget.levelIndex}_Final',
+          primaryScore: 100,
+          userId: 'user',
+          scoreFormatter: (s, _) => "훈련 완료!",
+          onProgressSave: (_) async {},
+        )
+      );
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        // 진행 상황 표시
+        title: Text('소리 내어 읽기 ($_currentRound/$_totalRounds)'),
+      ),
+      floatingActionButtonLocation: FloatingActionButtonLocation.centerFloat,
+      floatingActionButton: SizedBox(
+        width: 80,
+        height: 80,
+        child: FloatingActionButton(
+          onPressed: _toggleListening,
+          backgroundColor: _isListening ? Colors.redAccent : Colors.blueAccent,
+          elevation: 10,
+          child: Icon(
+            _isListening ? Icons.mic : Icons.mic_none,
+            size: 40,
+          ),
+        ),
+      ),
+      body: SingleChildScrollView(
+        child: Padding(
+          padding: const EdgeInsets.symmetric(horizontal: 24.0, vertical: 40.0),
+          child: Column(
+            crossAxisAlignment: CrossAxisAlignment.center,
+            children: [
+              const Text(
+                "마이크 버튼을 누르고\n아래 글자를 큰 소리로 읽으세요.",
+                textAlign: TextAlign.center,
+                style: TextStyle(fontSize: 18, color: Colors.grey),
+              ),
+              const SizedBox(height: 40),
+
+              // 목표 텍스트 카드
+              Container(
+                width: double.infinity,
+                padding: const EdgeInsets.all(30),
+                decoration: BoxDecoration(
+                  color: Colors.white,
+                  borderRadius: BorderRadius.circular(20),
+                  border: Border.all(color: Colors.blueAccent.withOpacity(0.3)),
+                  boxShadow: [
+                    BoxShadow(
+                      color: Colors.grey.withOpacity(0.1),
+                      blurRadius: 10,
+                      offset: const Offset(0, 5),
+                    )
+                  ],
+                ),
+                child: Text(
+                  _targetSentence,
+                  textAlign: TextAlign.center,
+                  style: const TextStyle(
+                    fontSize: 32, 
+                    fontWeight: FontWeight.bold,
+                    color: Colors.black87
+                  ),
+                ),
+              ),
+
+              const SizedBox(height: 50),
+
+              if (_isListening)
+                const Text("듣고 있어요...", style: TextStyle(color: Colors.redAccent, fontWeight: FontWeight.bold)),
+              
+              const SizedBox(height: 10),
+
+              Text(
+                _textRecognized.isEmpty ? "..." : _textRecognized,
+                textAlign: TextAlign.center,
+                style: TextStyle(
+                  fontSize: 24, 
+                  color: _isListening ? Colors.black54 : Colors.blueGrey,
+                  fontWeight: FontWeight.w500
+                ),
+              ),
+              
+              // 하단 안내 메시지
+              const SizedBox(height: 50),
+              if (_currentRound < _totalRounds)
+                Text(
+                  "총 $_totalRounds문제 중 $_currentRound번째 문제입니다.",
+                  style: TextStyle(color: Colors.grey.shade400),
+                ),
+                
+              const SizedBox(height: 100),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}

packages/feature_game_read_aloud/lib/screens/read_aloud_lobby_screen.dart

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+import 'package:flutter/material.dart';
+import 'read_aloud_game_screen.dart';
+
+class ReadAloudLobbyScreen extends StatelessWidget {
+  const ReadAloudLobbyScreen({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: const Text('읽고 말하기')),
+      body: Padding(
+        padding: const EdgeInsets.all(16.0),
+        child: Column(
+          children: [
+            const Icon(Icons.record_voice_over, size: 80, color: Colors.green),
+            const SizedBox(height: 16),
+            const Text(
+              "화면에 나오는 단어나 문장을\n큰 소리로 읽어보세요.",
+              textAlign: TextAlign.center,
+              style: TextStyle(fontSize: 16),
+            ),
+            const SizedBox(height: 32),
+            Expanded(
+              child: ListView.separated(
+                itemCount: 6,
+                separatorBuilder: (c, i) => const SizedBox(height: 12),
+                itemBuilder: (context, index) {
+                  final level = index + 1;
+                  return ListTile(
+                    tileColor: Colors.white,
+                    shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12), side: BorderSide(color: Colors.grey.shade300)),
+                    leading: CircleAvatar(child: Text("$level"), backgroundColor: Colors.green.shade100, foregroundColor: Colors.green),
+                    title: Text("레벨 $level"),
+                    subtitle: Text(_getLevelDesc(level)),
+                    trailing: const Icon(Icons.arrow_forward_ios, size: 16),
+                    onTap: () {
+                      Navigator.push(context, MaterialPageRoute(builder: (_) => ReadAloudGameScreen(levelIndex: level)));
+                    },
+                  );
+                },
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  String _getLevelDesc(int level) {
+    if (level <= 2) return "단어 읽기";
+    if (level <= 4) return "짧은 문장 읽기";
+    return "긴 문장 / 속담 읽기";
+  }
+}