编排新增音频分类，支持朗读文本、播放音频、录制音频、播放系统音效

plugin/lib/quickcomposer/audio/speech.js

@@ -0,0 +1,59 @@
+// 存储当前朗读实例
+let currentSpeech = null;
+
+/**
+ * 朗读文本
+ * @param {string} text 要朗读的文本
+ * @param {Object} options 朗读选项
+ * @param {number} options.rate 语速 (0.1-10)
+ * @param {number} options.pitch 音调 (0-2)
+ * @param {number} options.volume 音量 (0-1)
+ * @param {string} options.lang 语言
+ */
+async function speak(text, options = {}) {
+  // 停止当前朗读
+  stop();
+
+  // 创建新的语音合成实例
+  const speech = new window.SpeechSynthesisUtterance();
+  speech.text = text;
+  speech.rate = parseFloat(options.rate) || 1;
+  speech.pitch = parseFloat(options.pitch) || 1;
+  speech.volume = parseFloat(options.volume) || 1;
+  speech.lang = options.lang || "zh-CN";
+
+  // 保存当前实例
+  currentSpeech = speech;
+
+  // 开始朗读
+  window.speechSynthesis.speak(speech);
+
+  // 返回 Promise，在朗读结束时 resolve
+  return new Promise((resolve, reject) => {
+    speech.onend = () => {
+      currentSpeech = null;
+      resolve();
+    };
+    speech.onerror = (error) => {
+      currentSpeech = null;
+      reject(error);
+    };
+  });
+}
+
+/**
+ * 停止文本朗读
+ */
+function stop() {
+  if (window.speechSynthesis) {
+    window.speechSynthesis.cancel();
+  }
+  if (currentSpeech) {
+    currentSpeech = null;
+  }
+}
+
+module.exports = {
+  speak,
+  stop,
+};