Fix TTS playback interruption with chunked long text

config.js

@@ -68,8 +68,34 @@ export default {
       const { text: reply } = await engine.askAI(msg);
       console.log(`🔊 ${reply}`);
 
-      // TTS 播放 - Xiaomi 智能音箱 Pro [7, 3]
-      await engine.MiOT.doAction(7, 3, reply);
+      // 🎯 分段播放长文本，防止 TTS 超时中断
+      const maxLength = 200; // 单次播放最大字数
+      if (reply.length > maxLength) {
+        // 按句号、问号、感叹号分段
+        const sentences = reply.match(/[^。！？]+[。！？]/g) || [reply];
+        let currentChunk = "";
+
+        for (const sentence of sentences) {
+          if ((currentChunk + sentence).length > maxLength) {
+            // 播放当前段落
+            if (currentChunk) {
+              await engine.MiOT.doAction(7, 3, currentChunk);
+              await new Promise(resolve => setTimeout(resolve, 500)); // 短暂停顿
+            }
+            currentChunk = sentence;
+          } else {
+            currentChunk += sentence;
+          }
+        }
+
+        // 播放最后一段
+        if (currentChunk) {
+          await engine.MiOT.doAction(7, 3, currentChunk);
+        }
+      } else {
+        // 短文本直接播放
+        await engine.MiOT.doAction(7, 3, reply);
+      }
 
       return { handled: true };
     }