添加项目文件。

FileService.Application/Ports/IObjectStoragePort.cs

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+using FileService.Application.StorageContracts;
+
+namespace FileService.Application.Ports
+{
+    public interface IObjectStoragePort
+    {
+        string ProviderCode { get; }
+        public Task<InitiateUploadResult> InitUploadAsync(InitiateUploadCommand command,CancellationToken token);
+        public Task<PresignedUrl> GenerateUploadUrlAsync(GenerateUploadUrlCommand command, CancellationToken token);
+        public Task<CompleteUploadResult> CompleteUploadAsync(CompleteUploadCommand command, CancellationToken token);
+    }
+}

FileService.Application/Ports/IObjectStorageRouter.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FileService.Application.Ports
+{
+    public interface IObjectStorageRouter
+    {
+        IObjectStoragePort Route(string providerCode);
+    }
+}

FileService.Application/Ports/IStorageRedisCache.cs

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+using FileService.Application.StorageContracts;
+
+namespace FileService.Application.Ports
+{
+    public interface IStorageRedisCache
+    {
+        Task SetAsync(UploadRuntimeCache upload);
+        Task DeleteAsync(string sessionId);
+        Task DeleteByTaskIdAsync(string taskId);
+        Task<UploadRuntimeCache?> GetAsync(string sessionId);
+    }
+}