fix: 清理导出服务日志并简化whisper接口参数

- 移除exportService中的冗余console日志输出
- 简化whisper API接口，移除downloadModel和getModelStatus的payload参数
- 清理图片、表情、语音导出过程中的调试日志
- 移除数据库查询和媒体处理中的详细日志记录
- 优化代码可读性，减少控制台输出噪音

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "weflow",
-  "version": "1.1.2",
+  "version": "1.2.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "weflow",
-      "version": "1.1.2",
+      "version": "1.2.0",
       "hasInstallScript": true,
       "dependencies": {
         "better-sqlite3": "^12.5.0",