Initial commit of akmon project

uni_modules/ak-sbsrv/utssdk/app-harmony/dfu_manager.uts

@@ -0,0 +1,9 @@
+import type { DfuManagerType, DfuOptions } from '../interface.uts';
+
+class HarmonyDfuManager implements DfuManagerType {
+	async startDfu(_deviceId: string, _firmwareBytes: Uint8Array, _options?: DfuOptions): Promise<void> {
+		throw new Error('鸿蒙平台暂未实现 DFU 功能');
+	}
+}
+
+export const dfuManager = new HarmonyDfuManager();