feat: 新增图片广场、发布及模型查询接口

- 图片任务列表区分为“我的任务”和“图片广场（已发布）”
- 新增图片发布到广场接口，支持分类
- 新增图片模型列表查询接口
- 注释掉图片 Base64 前缀字段，统一使用 URL
- 调整相关依赖注入，支持模型仓储查询

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Application.Contracts/Dtos/Chat/ImageTaskOutput.cs

@@ -30,7 +30,7 @@ public class ImageTaskOutput
     /// <summary>
     /// 生成图片PrefixBase64（包含前缀）
     /// </summary>
-    public string? StorePrefixBase64 { get; set; }
+    // public string? StorePrefixBase64 { get; set; }
 
     /// <summary>
     /// 生成图片URL

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Application/Services/Chat/AiImageService.cs

@@ -8,9 +8,11 @@ using Volo.Abp.Application.Services;
 using Volo.Abp.BackgroundJobs;
 using Volo.Abp.Guids;
 using Volo.Abp.Users;
+using Yi.Framework.AiHub.Application.Contracts.Dtos;
 using Yi.Framework.AiHub.Application.Contracts.Dtos.Chat;
 using Yi.Framework.AiHub.Application.Jobs;
 using Yi.Framework.AiHub.Domain.Entities.Chat;
+using Yi.Framework.AiHub.Domain.Entities.Model;
 using Yi.Framework.AiHub.Domain.Extensions;
 using Yi.Framework.AiHub.Domain.Managers;
 using Yi.Framework.AiHub.Domain.Shared.Consts;
@@ -33,6 +35,7 @@ public class AiImageService : ApplicationService
     private readonly IGuidGenerator _guidGenerator;
     private readonly IWebHostEnvironment _webHostEnvironment;
     private readonly TokenManager _tokenManager;
+    private readonly ISqlSugarRepository<AiModelEntity> _aiModelRepository;
     public AiImageService(
         ISqlSugarRepository<ImageStoreTaskAggregateRoot> imageTaskRepository,
         IBackgroundJobManager backgroundJobManager,
@@ -40,7 +43,7 @@ public class AiImageService : ApplicationService
         PremiumPackageManager premiumPackageManager,
         ModelManager modelManager,
         IGuidGenerator guidGenerator,
-        IWebHostEnvironment webHostEnvironment, TokenManager tokenManager)
+        IWebHostEnvironment webHostEnvironment, TokenManager tokenManager, ISqlSugarRepository<AiModelEntity> aiModelRepository)
     {
         _imageTaskRepository = imageTaskRepository;
         _backgroundJobManager = backgroundJobManager;
@@ -50,6 +53,7 @@ public class AiImageService : ApplicationService
         _guidGenerator = guidGenerator;
         _webHostEnvironment = webHostEnvironment;
         _tokenManager = tokenManager;
+        _aiModelRepository = aiModelRepository;
     }
 
     /// <summary>
@@ -224,12 +228,10 @@ public class AiImageService : ApplicationService
     }
 
     /// <summary>
-    /// 分页查询任务列表
+    /// 分页查询我的任务列表
     /// </summary>
-    /// <param name="input">分页查询参数</param>
-    /// <returns>任务列表</returns>
-    [HttpGet("ai-image/tasks")]
-    public async Task<PagedResult<ImageTaskOutput>> GetTaskPageAsync([FromQuery] ImageTaskPageInput input)
+    [HttpGet("ai-image/my-tasks")]
+    public async Task<PagedResult<ImageTaskOutput>> GetMyTaskPageAsync([FromQuery] ImageTaskPageInput input)
     {
         var userId = CurrentUser.GetId();
 
@@ -257,6 +259,92 @@ public class AiImageService : ApplicationService
 
         return new PagedResult<ImageTaskOutput>(total, items);
     }
+
+    /// <summary>
+    /// 分页查询图片广场（已发布的图片）
+    /// </summary>
+    [HttpGet("ai-image/plaza")]
+    [AllowAnonymous]
+    public async Task<PagedResult<ImageTaskOutput>> GetPlazaPageAsync([FromQuery] ImageTaskPageInput input)
+    {
+        var query = _imageTaskRepository._DbQueryable
+            .Where(x => x.PublishStatus == PublishStatusEnum.Published)
+            .Where(x => x.TaskStatus == TaskStatusEnum.Success)
+            .OrderByDescending(x => x.CreationTime);
+
+        var total = await query.CountAsync();
+        var items = await query
+            .Skip((input.PageIndex - 1) * input.PageSize)
+            .Take(input.PageSize)
+            .Select(x => new ImageTaskOutput
+            {
+                Id = x.Id,
+                Prompt = x.Prompt,
+                // ReferenceImagesPrefixBase64 = x.ReferenceImagesPrefixBase64,
+                // ReferenceImagesUrl = x.ReferenceImagesUrl,
+                StoreUrl = x.StoreUrl,
+                TaskStatus = x.TaskStatus,
+                PublishStatus = x.PublishStatus,
+                Categories = x.Categories,
+                CreationTime = x.CreationTime
+            })
+            .ToListAsync();
+
+        return new PagedResult<ImageTaskOutput>(total, items);
+    }
+
+    /// <summary>
+    /// 发布图片到广场
+    /// </summary>
+    [HttpPost("ai-image/publish")]
+    public async Task PublishAsync([FromBody] PublishImageInput input)
+    {
+        var userId = CurrentUser.GetId();
+
+        var task = await _imageTaskRepository.GetFirstAsync(x => x.Id == input.TaskId && x.UserId == userId);
+        if (task == null)
+        {
+            throw new UserFriendlyException("任务不存在或无权访问");
+        }
+
+        if (task.TaskStatus != TaskStatusEnum.Success)
+        {
+            throw new UserFriendlyException("只有已完成的任务才能发布");
+        }
+
+        if (task.PublishStatus == PublishStatusEnum.Published)
+        {
+            throw new UserFriendlyException("该任务已发布");
+        }
+
+        task.PublishStatus = PublishStatusEnum.Published;
+        task.Categories = input.Categories ?? new List<string>();
+
+        await _imageTaskRepository.UpdateAsync(task);
+    }
+    
+    /// <summary>
+    /// 获取图片模型列表
+    /// </summary>
+    /// <returns></returns>
+    [HttpPost("ai-image/model")]
+    public async Task<List<ModelGetListOutput>> GetModelAsync()
+    {
+        var output = await _aiModelRepository._DbQueryable
+            .Where(x => x.ModelType == ModelTypeEnum.Image)
+            .Where(x => x.ModelApiType == ModelApiTypeEnum.OpenAi)
+            .OrderByDescending(x => x.OrderNum)
+            .Select(x => new ModelGetListOutput
+            {
+                Id = x.Id,
+                ModelId = x.ModelId,
+                ModelName = x.Name,
+                ModelDescribe = x.Description,
+                Remark = x.Description,
+                IsPremiumPackage = PremiumPackageConst.ModeIds.Contains(x.ModelId)
+            }).ToListAsync();
+        return output;
+    }
 }
 
 /// <summary>