feat(wxcp): 活动封面改用附件中间表，并修正附件地址同源

liu

2026-09-30 71beff1699701e18c2503791c7ba1437c89966aa

 src/packages/@core/base/icons/src/lucide.ts

@@ -27,6 +27,7 @@
  CloudUpload,
  Copy,
  CornerDownLeft,
  DatabaseBackup,
  Download,
  Ellipsis,
  Eraser,