fix: 修复了一堆API错误，并顺手添加了OSS API

apps/frontend/lib/api/client.ts

@@ -48,4 +48,5 @@ export async function clientFetch<T = unknown>(
 export * as AuthAPI from './endpoints/auth.client'
 export * as UserAPI from './endpoints/user.client'
 export * as SmsAPI from './endpoints/sms.client'
-export * as AdminAPI from './endpoints/admin.client'
+export * as AdminAPI from './endpoints/admin.client'
+export * as OSSAPI from './endpoints/oss.client'

apps/frontend/lib/api/endpoints/oss.client.ts

@@ -0,0 +1,13 @@
+import { clientFetch } from "../client";
+
+export interface StsToken {
+    AccessKeyId: string;
+    AccessKeySecret: string;
+    Expiration: string;// ISO 8601 格式
+    SecurityToken: string;
+    userId: string;
+}
+
+export async function getStsToken() {
+    return clientFetch<StsToken>('/api/oss/sts');
+}