refactor: remove unused base64 conversion function and update voice number generation

src/pages/muse/voice/store/voiceStore.ts

@@ -1,7 +1,6 @@
 import { create } from 'zustand';
 import { devtools } from 'zustand/middleware';
-import { Speak, getDayOfYear } from '../modules/speak-db/speak';
+import { Speak, getDayOfYear, getNo } from '../modules/speak-db/speak';
-import { getText } from '../modules/text';
 import { useSettingStore } from './settingStore';
 import { queryResources, useResourceStore } from './resourceStore';
 import { queryApi as flowmeApi } from '@/modules/flowme-api';
@@ -65,29 +64,6 @@ const blobToBase64 = (blob: Blob): Promise<string> => {
   });
 };
 
-// 辅助函数：将 base64 字符串转换为 Blob URL
-const base64ToUrl = (base64: string, mimeType: string = 'audio/wav'): string => {
-  try {
-    // 如果已经是 blob URL，直接返回
-    if (base64.startsWith('blob:')) {
-      return base64;
-    }
-
-    // 将 base64 转换为 ArrayBuffer
-    const binaryString = window.atob(base64);
-    const bytes = new Uint8Array(binaryString.length);
-    for (let i = 0; i < binaryString.length; i++) {
-      bytes[i] = binaryString.charCodeAt(i);
-    }
-
-    // 创建 Blob 和 URL
-    const blob = new Blob([bytes], { type: mimeType });
-    return URL.createObjectURL(blob);
-  } catch (error) {
-    console.error('转换 base64 到 URL 失败:', error);
-    return '';
-  }
-};
 
 export const useVoiceStore = create<VoiceState>()(
   devtools(
@@ -150,7 +126,7 @@ export const useVoiceStore = create<VoiceState>()(
           const speakData = {
             duration: Math.ceil(duration),
             day: getDayOfYear(),
-            no: 0, // 将由 service 自动生成
+            no: getNo(), // 将由 service 自动生成
             timestamp: Date.now(),
             type: 'normal' as const,
             text: '', // 初始为空