新增 OSS 上传与 Kingfisher 图片加载支持

suixinkan/Core/Upload/UploadAPI.swift

@@ -0,0 +1,41 @@
+//
+//  UploadAPI.swift
+//  suixinkan
+//
+//  Created by Codex on 2026/6/22.
+//
+
+import Foundation
+import Observation
+
+/// OSS 配置服务协议，抽象 STS token 获取能力，便于上传服务测试替换。
+@MainActor
+protocol OSSConfigServing {
+    /// 获取指定 bucket 的阿里云 OSS 临时上传配置。
+    func aliyunOSSBucket(bucket: String) async throws -> AliyunOSSResponse
+}
+
+@MainActor
+@Observable
+/// 上传 API，封装文件上传前需要的服务端配置接口。
+final class UploadAPI {
+    @ObservationIgnored private let client: APIClient
+
+    /// 初始化上传 API，并注入共享网络客户端。
+    init(client: APIClient) {
+        self.client = client
+    }
+
+    /// 获取指定 bucket 的阿里云 OSS 临时上传配置。
+    func aliyunOSSBucket(bucket: String = "vipsky") async throws -> AliyunOSSResponse {
+        try await client.send(
+            APIRequest(
+                method: .get,
+                path: "/api/app/config/get-sts-token",
+                queryItems: [URLQueryItem(name: "bucket", value: bucket)]
+            )
+        )
+    }
+}
+
+extension UploadAPI: OSSConfigServing {}