keywords[emotion];
keywords.forEach(keyword => {
this.emotionSystem.analysis.weights.set(keyword, emotion);
});
});

// 初始化情感分析模型
this.emotionSystem.analyzer = {
analyzeText: (text) => this.analyzeTextEmotion(text),
getEmotionScore: (text, emotion) => this.getEmotionScore(text, emotion),
getDominantEmotion: (text) => this.getDominantEmotion(text)
};
}

// 文本情感分析
analyzeTextEmotion(text) {
const scores = { ...this.emotionSystem.profile };
const words = text.split('');

words.forEach(word => {
for (let [keyword, emotion] of this.emotionSystem.analysis.weights) {
if (word.includes(keyword)) {
scores[emotion] = Math.min(100, scores[emotion] + 10);
}
}
});

return scores;
}

// 获取情感分数
getEmotionScore(text, emotion) {
const scores = this.analyzeTextEmotion(text);
return scores[emotion] || 0;
}

// 获取主导情感
getDominantEmotion(text) {
const scores = this.analyzeTextEmotion(text);
return Object.keys(scores).reduce((a, b) => scores[a] > scores[b] ? a : b);
}

// 音乐智能系统初始化
initializeMusicIntelligence() {
// 初始化和声数据库
this.initializeHarmonyDatabase();

// 初始化节奏模式
this.initializeRhythmPatterns();

// 初始化音乐风格
this.initializeMusicStyles();
}

// 和声系统初始化
initializeHarmonySystem() {
this.musicSystem.harmony.generator = {
generateProgression: (style, length) => this.generateChordProgression(style, length),
getVoicing: (chord, instrument) => this.getChordVoicing(chord, instrument),
createHarmony: (melody, style) => this.createHarmonyForMelody(melody, style)
};
}

// 节奏系统初始化
initializeRhythmSystem() {
this.musicSystem.rhythm.generator = {
createPattern: (style, complexity) => this.createRhythmPattern(style, complexity),
applyGroove: (pattern, groove) => this.applyGrooveToPattern(pattern, groove),
generateAccompaniment: (harmony, style) => this.generateRhythmAccompaniment(harmony, style)
};
}

// 可视化系统初始化
initializeVisualizationSystem() {
this.visualization = {
waveform: new WaveformRenderer('waveform'),
spectrum: new SpectrumAnalyzer('spectrum'),
timeline: new TimelineRenderer('timeline'),
update: () => this.updateAllVisualizations()
};

// 初始化所有可视化组件
this.visualization.waveform.initialize();
this.visualization.spectrum.initialize();
this.visualization.timeline.initialize();
}

// 用户界面初始化
initializeUserInterface() {
this.initializeEventListeners();
this.updateUserInterface();
this.initializeDragAndDrop();
}

// 事件监听器初始化
initializeEventListeners() {
// 播放控制
document.getElementById('play-btn').addEventListener('click', () => this.togglePlayback());
document.getElementById('stop-btn').addEventListener('click', () => this.stopPlayback());
document.getElementById('record-btn').addEventListener('click', () => this.toggleRecording());
document.getElementById('loop-btn').addEventListener('click', () => this.toggleLooping());

// 参数控制
this.initializeParameterControls();

// 发音人选择
document.querySelectorAll('[data-voice]').forEach(card => {
card.addEventListener('click', () => {
this.selectVoice(card.dataset.voice);
});
});

// 乐器选择
document.querySelectorAll('[data-instrument]').forEach(card => {
card.addEventListener('click', () => {
this.selectInstrument(card.dataset.instrument);
});
});

// 标签切换
document.querySelectorAll('.tab').forEach(tab => {
tab.addEventListener('click', () => {
this.switchTab(tab.dataset.tab);
});
});

// 系统控制
document.getElementById('save-preset').addEventListener('click', () => this.savePreset());
document.getElementById('export-audio').addEventListener('click', () => this.exportAudio());
document.getElementById('help-btn').addEventListener('click', () => this.showHelp());

// 全局事件
document.addEventListener('keydown', (e) => this.handleGlobalKeydown(e));
window.addEventListener('beforeunload', () => this.handleBeforeUnload());
}

// 参数控制初始化
initializeParameterControls() {
// BPM控制
document.getElementById('bpm').addEventListener('change', (e) => {
this.setBPM(parseInt(e.target.value));
});

// 音调控制
document.getElementById('pitch').addEventListener('input', (e) => {
this.setPitch(parseFloat(e.target.value));
});

// 音量控制
document.getElementById('volume').addEventListener('input', (e) => {
this.setVolume(parseFloat(e.target.value));
});

// 情感控制
document.querySelectorAll('[data-emotion]').forEach(slider => {
slider.addEventListener('input', (e) => {
const emotion = e.target.dataset.emotion;
const value = parseInt(e.target.value);
this.setEmotion(emotion, value);
});
});

// 效果控制
document.querySelectorAll('[data-effect]').forEach(slider => {
slider.addEventListener('input', (e) => {
const effect = e.target.dataset.effect;
const value = parseInt(e.target.value);
this.setEffect(effect, value);
});
});

// 和声控制
document.getElementById('harmony-type').addEventListener('change', (e) => {
this.setHarmonyType(e.target.