feat: 添加 S3 上传功能，包含预签名 URL 获取和上传选项

src/utils/aws/s3.ts

@@ -0,0 +1,19 @@
+import { client, safeClient } from "@/api";
+
+interface PresignedUrlResponse {
+  uploadUrl: string;
+  fileUrl: string;
+  key: string;
+  expiresIn: number;
+}
+
+interface UploadOptions {
+  onProgress?: (progress: number) => void;
+  signal?: AbortSignal;
+}
+
+export function uploadToS3(file: File, options: UploadOptions = {}) {
+  const { onProgress, signal } = options || {};
+
+  // 1. 获取预签名 URL
+}

src/utils/index.ts

@@ -1,3 +1,4 @@
+export * from "./aws/s3";
 export * from "./ionic-helper";
 export * from "./is";
 export * from "./pattern";