migrate frontend

Wavelet/frontend/lib/services/openflare/update.service.ts

@@ -0,0 +1,16 @@
+import {LegacyOpenFlareBaseService} from './legacy-base.service';
+import type {LatestReleaseInfo, ReleaseChannel} from './types';
+
+/**
+ * OpenFlare 服务端升级 API（遗留 `/api/update/*`）。
+ *
+ * 可选集成：在顶栏或 Admin 升级入口调用 `getLatestRelease()` 展示版本与更新状态；
+ * 完整升级流程（upgrade / manual-upload / logs WebSocket）可对接 Wavelet `admin/updater`。
+ */
+export class UpdateService extends LegacyOpenFlareBaseService {
+  protected static override readonly basePath = '/api/update';
+
+  static getLatestRelease(channel: ReleaseChannel = 'stable'): Promise<LatestReleaseInfo> {
+    return this.legacyGet<LatestReleaseInfo>('/latest-release', { channel });
+  }
+}