feat: 完成 TraceMemo v2.2.0 品牌身份与数据迁移升级

- 将 WechatExplorer 产品身份升级为 TraceMemo
- 更新 appId、Runtime Identity、Reader Skill 和 API 环境变量
- 增加旧用户数据、Knowledge、Token 与 AI Provider 安全迁移
- 保留 Windows WeFlow 和旧版配置兼容
- 完善首次启动迁移测试及 v2.2.0 发布文档
- 移除 macOS Intel x64 构建与发布支持

src/main/image-decrypt-service.ts

@@ -11,7 +11,9 @@ import { imageFileQuality, imageQualityRank } from '../shared/image-quality'
 import { loadSettings } from './services/settings-store'
 import { Wcdb4Client } from './wcdb4-client'
 
-const imageDecryptDebugEnabled = process.env['WECHATEXPLORER_DEBUG_IMAGE'] === '1'
+const imageDecryptDebugEnabled =
+  process.env['TRACEMEMO_DEBUG_IMAGE'] === '1' ||
+  (!process.env['TRACEMEMO_DEBUG_IMAGE'] && process.env['WECHATEXPLORER_DEBUG_IMAGE'] === '1')
 const imageDecryptLog = (...args: unknown[]): void => {
   if (imageDecryptDebugEnabled) console.log(...args)
 }