轮播应用OK

src/DRS9.Dashboard.Infrastructure/Data/DashboardDbContext.cs

@@ -18,6 +18,7 @@ public class DashboardDbContext : DbContext
     public DbSet<Playlist> Playlists { get; set; }
     public DbSet<PlaylistItem> PlaylistItems { get; set; }
     public DbSet<AppVersion> AppVersions { get; set; }
+    public DbSet<RotatorItem> RotatorItems { get; set; }
 
     protected override void OnModelCreating(ModelBuilder modelBuilder)
     {
@@ -101,5 +102,17 @@ public class DashboardDbContext : DbContext
         {
             entity.HasIndex(e => new { e.Platform, e.Version });
         });
+
+        // RotatorItem 配置
+        modelBuilder.Entity<RotatorItem>(entity =>
+        {
+            entity.HasKey(e => e.Id);
+
+            // 不配置关系，只配置索引，避免 EF Core 创建影子属性
+            // 外键约束在迁移中已定义，这里不再重复配置
+
+            // 同一应用中的轮播项按 Order 排序
+            entity.HasIndex(e => new { e.ApplicationId, e.Order });
+        });
     }
 }