refactor: 确立独立子工程架构 (backend, admin, mpuniapp) 并同步更新 AGENTS.md 规范

mpuniapp/uni_modules/uts-progressNotification/utssdk/app-android/callbacks.uts

@@ -0,0 +1,19 @@
+let globalNotificationProgressCallBack : (() => void) | null = () => { }
+let globalNotificationProgressFinishCallBack : (() => void) | null = () => { }
+
+export function setGlobalNotificationProgressCallBack(callBack : (() => void) | null) : void {
+  globalNotificationProgressCallBack = callBack
+}
+
+export function getGlobalNotificationProgressCallBack() : (() => void) | null {
+  return globalNotificationProgressCallBack
+}
+
+
+export function setGlobalNotificationProgressFinishCallBack(callBack : (() => void) | null) : void {
+  globalNotificationProgressFinishCallBack = callBack
+}
+
+export function getGlobalNotificationProgressFinishCallBack() : (() => void) | null {
+  return globalNotificationProgressFinishCallBack
+}