Добавлено управление сессиями

PlaylistShared.Api/Data/Migrations/20260413221546_AddSessionCacheTable.cs

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+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace PlaylistShared.Api.Data.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddSessionCacheTable : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.Sql(@"
+                CREATE TABLE [dbo].[SessionCache] (
+                    [Id] NVARCHAR(449) NOT NULL,
+                    [Value] VARBINARY(MAX) NOT NULL,
+                    [ExpiresAtTime] DATETIMEOFFSET NOT NULL,
+                    [SlidingExpirationInSeconds] BIGINT NULL,
+                    [AbsoluteExpiration] DATETIMEOFFSET NULL,
+                    CONSTRAINT [pk_SessionCache] PRIMARY KEY ([Id])
+                );
+                CREATE NONCLUSTERED INDEX [Index_ExpiresAtTime] ON [dbo].[SessionCache] ([ExpiresAtTime]);
+            ");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.Sql("DROP TABLE [dbo].[SessionCache]");
+        }
+    }
+}