refactor: 移除後端高價值詞彙判定邏輯，完全交由前端處理
❌ 移除的高價值判定方法： - PostProcessWordAnalysisWithUserLevel (重新判定高價值) - ExtractHighValueWords (提取高價值詞彙) - IsHighValueWordDynamic (動態判定高價值) ✅ 簡化analyze-sentence API： - 移除HighValueWords欄位回應 - 移除高價值重新處理邏輯 - 直接回傳AI原始分析結果 🎯 責任分離： - 後端：純AI分析、翻譯、語法修正 - 前端：高價值判定基於CEFR等級比較 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
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@ -98,21 +98,19 @@ public class AIController : ControllerBase
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var finalText = aiAnalysis.GrammarCorrection.HasErrors ?
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aiAnalysis.GrammarCorrection.CorrectedText : request.InputText;
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// 3. 準備AI分析響應資料（包含個人化資訊）
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// 3. 準備AI分析響應資料
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var baseResponseData = new
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{
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AnalysisId = Guid.NewGuid(),
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InputText = request.InputText,
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UserLevel = userLevel, // 新增：顯示使用的程度
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HighValueCriteria = CEFRLevelService.GetTargetLevelRange(userLevel), // 新增：顯示高價值判定範圍
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UserLevel = userLevel,
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GrammarCorrection = aiAnalysis.GrammarCorrection,
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SentenceMeaning = new
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{
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Translation = aiAnalysis.Translation
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},
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FinalAnalysisText = finalText ?? request.InputText,
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WordAnalysis = PostProcessWordAnalysisWithUserLevel(aiAnalysis.WordAnalysis, userLevel),
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HighValueWords = ExtractHighValueWords(aiAnalysis.WordAnalysis, userLevel),
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WordAnalysis = aiAnalysis.WordAnalysis,
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PhrasesDetected = new object[0] // 暫時簡化
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};
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@ -146,7 +144,6 @@ public class AIController : ControllerBase
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},
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FinalAnalysisText = finalText,
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WordAnalysis = analysis.WordAnalysis,
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HighValueWords = analysis.HighValueWords,
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PhrasesDetected = analysis.PhrasesDetected
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};
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@ -253,7 +250,7 @@ public class AIController : ControllerBase
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Translation = card.Translation,
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Explanation = card.Definition, // 使用 AI 生成的定義作為解釋
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WordAnalysis = GenerateWordAnalysisForSentence(text),
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HighValueWords = GetHighValueWordsForSentence(text),
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HighValueWords = new string[0], // 移除高價值詞彙判定，由前端負責
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PhrasesDetected = new[]
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{
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new
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@ -318,7 +315,7 @@ public class AIController : ControllerBase
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Translation = translation,
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Explanation = explanation,
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WordAnalysis = GenerateWordAnalysisForSentence(text),
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HighValueWords = GetHighValueWordsForSentence(text),
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HighValueWords = new string[0], // 移除高價值詞彙判定，由前端負責
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PhrasesDetected = new[]
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{
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new
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@ -480,8 +477,6 @@ public class AIController : ControllerBase
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var cleanWord = word.Trim();
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if (string.IsNullOrEmpty(cleanWord) || cleanWord.Length < 2) continue;
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// 判斷是否為高價值詞彙
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var isHighValue = IsHighValueWordDynamic(cleanWord);
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var difficulty = GetWordDifficulty(cleanWord);
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analysis[cleanWord] = new
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@ -494,10 +489,7 @@ public class AIController : ControllerBase
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synonyms = GetSynonyms(cleanWord),
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antonyms = new string[0],
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isPhrase = false,
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isHighValue = isHighValue,
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learningPriority = isHighValue ? "high" : "low",
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difficultyLevel = difficulty,
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costIncurred = isHighValue ? 0 : 1
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difficultyLevel = difficulty
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};
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}
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@ -510,29 +502,9 @@ public class AIController : ControllerBase
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private string[] GetHighValueWordsForSentence(string text)
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{
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var words = text.ToLower().Split(new[] { ' ', '.', ',', '!', '?' }, StringSplitOptions.RemoveEmptyEntries);
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return words.Where(w => IsHighValueWordDynamic(w.Trim())).ToArray();
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return new string[0]; // 移除高價值詞彙判定，由前端負責
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}
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/// <summary>
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/// 動態判斷高價值詞彙
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/// </summary>
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private bool IsHighValueWordDynamic(string word)
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{
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// B1+ 詞彙或特殊概念詞彙視為高價值
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var highValueWords = new[]
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{
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"animals", "instincts", "safe", "food", "find",
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"brought", "meeting", "agreed", "thing",
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"study", "learn", "important", "necessary",
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"beautiful", "wonderful", "amazing",
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"problem", "solution", "different", "special",
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"cut", "slack", "job", "new", "think", "should",
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"ashamed", "mistake", "apologized", "felt",
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"strong", "wind", "knocked", "tree", "park"
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};
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return highValueWords.Contains(word.ToLower());
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}
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/// <summary>
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/// 獲取詞彙翻譯
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@ -689,73 +661,7 @@ public class AIController : ControllerBase
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};
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}
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/// <summary>
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/// 後處理詞彙分析，根據用戶程度重新判定重點學習詞彙
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/// </summary>
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private Dictionary<string, object> PostProcessWordAnalysisWithUserLevel(
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Dictionary<string, WordAnalysisResult> originalAnalysis, string userLevel)
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{
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var processedAnalysis = new Dictionary<string, object>();
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foreach (var wordPair in originalAnalysis)
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{
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var wordData = wordPair.Value;
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// 從AI分析結果取得詞彙難度等級
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string wordLevel = wordData.DifficultyLevel ?? "A2";
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// 使用CEFRLevelService重新判定是否為重點學習詞彙
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bool isHighValue = CEFRLevelService.IsHighValueForUser(wordLevel, userLevel);
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// 檢查AI例句
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_logger.LogInformation("🔍 詞彙 {Word}: AI例句={Example}, AI翻譯={ExampleTranslation}",
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wordPair.Key, wordData.Example ?? "null", wordData.ExampleTranslation ?? "null");
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// 保留AI分析的其他資料，只重新設定isHighValue
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processedAnalysis[wordPair.Key] = new
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{
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word = wordData.Word ?? wordPair.Key,
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translation = wordData.Translation ?? "",
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definition = wordData.Definition ?? "",
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partOfSpeech = wordData.PartOfSpeech ?? "noun",
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pronunciation = wordData.Pronunciation ?? $"/{wordPair.Key}/",
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isHighValue = isHighValue, // 重新判定
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difficultyLevel = wordLevel,
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synonyms = GetSynonyms(wordPair.Key), // 補充同義詞
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example = !string.IsNullOrEmpty(wordData.Example) ?
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wordData.Example :
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GetQualityExampleSentence(wordPair.Key), // 優先使用AI例句
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exampleTranslation = !string.IsNullOrEmpty(wordData.ExampleTranslation) ?
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wordData.ExampleTranslation :
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GetQualityExampleTranslation(wordPair.Key) // 優先使用AI翻譯
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};
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}
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return processedAnalysis;
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}
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/// <summary>
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/// 從詞彙分析中提取重點學習詞彙
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/// </summary>
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private string[] ExtractHighValueWords(Dictionary<string, WordAnalysisResult> wordAnalysis, string userLevel)
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{
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var highValueWords = new List<string>();
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foreach (var wordPair in wordAnalysis)
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{
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var wordData = wordPair.Value;
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string wordLevel = wordData.DifficultyLevel ?? "A2";
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// 使用CEFRLevelService判定
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if (CEFRLevelService.IsHighValueForUser(wordLevel, userLevel))
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{
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highValueWords.Add(wordPair.Key);
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}
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}
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return highValueWords.ToArray();
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}
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/// <summary>
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/// 取得有學習價值的例句
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