diff --git a/Complex.Domain/Entities/Chat.cs b/Complex.Domain/Entities/Chat.cs
index f849e38..92b223d 100644
--- a/Complex.Domain/Entities/Chat.cs
+++ b/Complex.Domain/Entities/Chat.cs
@@ -2,6 +2,7 @@
 
 namespace Complex.Domain.Entities
 {
+    [Auditable]
     public class Chat:BaseEntity<long>
     {
         public Guid ComplexId { set; get; }
diff --git a/Complex.Infrastructure/Migrations/20260611161156_AddAuditableToChat.Designer.cs b/Complex.Infrastructure/Migrations/20260611161156_AddAuditableToChat.Designer.cs
new file mode 100644
index 0000000..afe0d89
--- /dev/null
+++ b/Complex.Infrastructure/Migrations/20260611161156_AddAuditableToChat.Designer.cs
@@ -0,0 +1,1009 @@
+// <auto-generated />
+using System;
+using Complex.Infrastructure;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace Complex.Infrastructure.Migrations
+{
+    [DbContext(typeof(ComplexDBContext))]
+    [Migration("20260611161156_AddAuditableToChat")]
+    partial class AddAuditableToChat
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "6.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder, 1L, 1);
+
+            modelBuilder.Entity("Complex.Domain.Entities.BasicTable", b =>
+                {
+                    b.Property<int>("Id")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Discriminator")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("BasicTables");
+
+                    b.HasDiscriminator<string>("Discriminator").HasValue("BasicTable");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.Chat", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<long>("Id"), 1L, 1);
+
+                    b.Property<string>("Body")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<byte>("ChatTypeId")
+                        .HasColumnType("tinyint");
+
+                    b.Property<Guid>("ComplexId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<DateTime>("InsertTime")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("datetime2")
+                        .HasDefaultValue(new DateTime(2026, 6, 11, 19, 41, 56, 678, DateTimeKind.Local).AddTicks(4132));
+
+                    b.Property<bool>("IsRemoved")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bit")
+                        .HasDefaultValue(false);
+
+                    b.Property<string>("PersonMobileNumber")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime?>("RemoveTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("UpdateTime")
+                        .HasColumnType("datetime2");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Chats");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.City", b =>
+                {
+                    b.Property<int>("CityId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("CityTitle")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int?>("ProvinceId")
+                        .HasColumnType("int");
+
+                    b.HasKey("CityId");
+
+                    b.HasIndex("ProvinceId");
+
+                    b.ToTable("Cities");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.ComplexEntity", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<string>("Address")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int?>("AreaMeter")
+                        .HasColumnType("int");
+
+                    b.Property<int>("CityId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int?>("ElevatorCount")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("InsertTime")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("datetime2")
+                        .HasDefaultValue(new DateTime(2026, 6, 11, 19, 41, 56, 678, DateTimeKind.Local).AddTicks(7208));
+
+                    b.Property<bool>("IsRemoved")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bit")
+                        .HasDefaultValue(false);
+
+                    b.Property<Guid?>("ParentId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<DateTime?>("RemoveTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("StateId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime?>("UpdateTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("WarehouseCount")
+                        .HasColumnType("int");
+
+                    b.Property<int?>("YardMeter")
+                        .HasColumnType("int");
+
+                    b.Property<int?>("YearMake")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CityId");
+
+                    b.HasIndex("ParentId");
+
+                    b.ToTable("ComplexEntities");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.ComplexManager", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<Guid>("ComplexId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<string>("EndDate")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime>("InsertTime")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("datetime2")
+                        .HasDefaultValue(new DateTime(2026, 6, 11, 19, 41, 56, 678, DateTimeKind.Local).AddTicks(9914));
+
+                    b.Property<bool>("IsRemoved")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bit")
+                        .HasDefaultValue(false);
+
+                    b.Property<string>("ManagerMobileNumberId")
+                        .HasColumnType("nvarchar(450)");
+
+                    b.Property<DateTime?>("RemoveTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("StartDate")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime?>("UpdateTime")
+                        .HasColumnType("datetime2");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComplexId");
+
+                    b.HasIndex("ManagerMobileNumberId");
+
+                    b.ToTable("ComplexManagers");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.ComplexPerson", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<Guid>("ComplexId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<string>("PersonMobileNumberId")
+                        .HasColumnType("nvarchar(450)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PersonMobileNumberId");
+
+                    b.ToTable("ComplexPersons");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.ComplexUnitEvent", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<long>("Id"), 1L, 1);
+
+                    b.Property<string>("Body")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int?>("ComplexId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("EventDate")
+                        .IsRequired()
+                        .HasMaxLength(10)
+                        .HasColumnType("nvarchar(10)");
+
+                    b.Property<DateTime>("InsertTime")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("datetime2")
+                        .HasDefaultValue(new DateTime(2026, 6, 11, 19, 41, 56, 679, DateTimeKind.Local).AddTicks(795));
+
+                    b.Property<bool>("IsRemoved")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bit")
+                        .HasDefaultValue(false);
+
+                    b.Property<string>("RegisterMobileNumber")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime?>("RemoveTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<Guid?>("UnitId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<DateTime?>("UpdateTime")
+                        .HasColumnType("datetime2");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("ComplexUnitEvents");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.CostCycle", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<long>("Amount")
+                        .HasColumnType("bigint");
+
+                    b.Property<Guid>("ComplexId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<long>("EncouragementAmount")
+                        .HasColumnType("bigint");
+
+                    b.Property<int>("EncouragementDay")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("date");
+
+                    b.Property<int?>("IncomeCostTitleId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("InsertTime")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("datetime2")
+                        .HasDefaultValue(new DateTime(2026, 6, 11, 19, 41, 56, 679, DateTimeKind.Local).AddTicks(1849));
+
+                    b.Property<bool>("IsRemoved")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bit")
+                        .HasDefaultValue(false);
+
+                    b.Property<DateTime?>("RemoveTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("date");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime?>("UpdateTime")
+                        .HasColumnType("datetime2");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComplexId");
+
+                    b.HasIndex("IncomeCostTitleId");
+
+                    b.ToTable("CostCycles");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.IncomeCostTitle", b =>
+                {
+                    b.Property<int>("Id")
+                        .HasColumnType("int");
+
+                    b.Property<Guid?>("ComplexId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<DateTime>("InsertTime")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("datetime2")
+                        .HasDefaultValue(new DateTime(2026, 6, 11, 19, 41, 56, 679, DateTimeKind.Local).AddTicks(3528));
+
+                    b.Property<bool>("IsRemoved")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bit")
+                        .HasDefaultValue(false);
+
+                    b.Property<string>("RegisterMobileNumber")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime?>("RemoveTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("Title")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("TransactionTypeId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime?>("UpdateTime")
+                        .HasColumnType("datetime2");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComplexId");
+
+                    b.HasIndex("TransactionTypeId");
+
+                    b.ToTable("IncomeCostTitles");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.Person", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("nvarchar(450)");
+
+                    b.Property<byte[]>("Avatar")
+                        .HasColumnType("varbinary(max)");
+
+                    b.Property<string>("FirstName")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<byte?>("Gender")
+                        .HasColumnType("tinyint");
+
+                    b.Property<DateTime>("InsertTime")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("datetime2")
+                        .HasDefaultValue(new DateTime(2026, 6, 11, 19, 41, 56, 679, DateTimeKind.Local).AddTicks(5645));
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("bit");
+
+                    b.Property<bool>("IsRemoved")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bit")
+                        .HasDefaultValue(false);
+
+                    b.Property<string>("LastName")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime?>("RemoveTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("UpdateTime")
+                        .HasColumnType("datetime2");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Persons");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.Poster", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<string>("ImagePath")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("RegisterMobileNumber")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Posters");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.Province", b =>
+                {
+                    b.Property<int>("ProvinceId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("ProvinceTitle")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("ProvinceId");
+
+                    b.ToTable("Provinces");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.SmsCode", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime>("InsertDate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("PhoneNumber")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("RequestCount")
+                        .HasColumnType("int");
+
+                    b.Property<bool>("Used")
+                        .HasColumnType("bit");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("SmsCodes");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.Transaction", b =>
+                {
+                    b.Property<long>("Id")
+                        .HasColumnType("bigint");
+
+                    b.Property<long>("Amount")
+                        .HasColumnType("bigint");
+
+                    b.Property<Guid>("ComplexId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<Guid?>("CostCycleId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("FicheId")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime>("InsertTime")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("datetime2")
+                        .HasDefaultValue(new DateTime(2026, 6, 11, 19, 41, 56, 679, DateTimeKind.Local).AddTicks(7492));
+
+                    b.Property<bool>("IsRemoved")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bit")
+                        .HasDefaultValue(false);
+
+                    b.Property<string>("PersonId")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(450)");
+
+                    b.Property<DateTime?>("RemoveTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime>("TransactionDate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("TransactionPersianDate")
+                        .IsRequired()
+                        .HasMaxLength(10)
+                        .HasColumnType("nvarchar(10)");
+
+                    b.Property<int?>("TransactionTitleId")
+                        .HasColumnType("int");
+
+                    b.Property<long>("UnitCostId")
+                        .HasColumnType("bigint");
+
+                    b.Property<Guid?>("UnitId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<DateTime?>("UpdateTime")
+                        .HasColumnType("datetime2");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CostCycleId");
+
+                    b.HasIndex("PersonId");
+
+                    b.HasIndex("TransactionTitleId");
+
+                    b.HasIndex("UnitCostId")
+                        .IsUnique();
+
+                    b.HasIndex("UnitId");
+
+                    b.ToTable("Transactions");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.Unit", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<int?>("AreaMeter")
+                        .HasColumnType("int");
+
+                    b.Property<Guid>("ComplexId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<string>("EmergencyTels")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int?>("Floor")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("InsertTime")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("datetime2")
+                        .HasDefaultValue(new DateTime(2026, 6, 11, 19, 41, 56, 679, DateTimeKind.Local).AddTicks(9506));
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("bit");
+
+                    b.Property<bool>("IsRemoved")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bit")
+                        .HasDefaultValue(false);
+
+                    b.Property<string>("ManagerDescription")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("OwnerId")
+                        .HasColumnType("nvarchar(450)");
+
+                    b.Property<int?>("ParkingAreaMeter")
+                        .HasColumnType("int");
+
+                    b.Property<string>("PublicState")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime?>("RemoveTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("StateId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("TenantId")
+                        .HasColumnType("nvarchar(450)");
+
+                    b.Property<string>("UnitName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime?>("UpdateTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("YardMeter")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComplexId");
+
+                    b.HasIndex("OwnerId");
+
+                    b.HasIndex("StateId");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("Units");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.UnitCost", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<long>("Id"), 1L, 1);
+
+                    b.Property<Guid>("CostCycleId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("date");
+
+                    b.Property<DateTime>("InsertTime")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("datetime2")
+                        .HasDefaultValue(new DateTime(2026, 6, 11, 19, 41, 56, 680, DateTimeKind.Local).AddTicks(1537));
+
+                    b.Property<bool>("IsRemoved")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bit")
+                        .HasDefaultValue(false);
+
+                    b.Property<DateTime?>("RemoveTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("TransactionId")
+                        .HasColumnType("int");
+
+                    b.Property<Guid>("UnitId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<DateTime?>("UpdateTime")
+                        .HasColumnType("datetime2");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CostCycleId");
+
+                    b.HasIndex("UnitId");
+
+                    b.ToTable("UnitCosts");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.UnitState", b =>
+                {
+                    b.Property<int>("Id")
+                        .HasColumnType("int");
+
+                    b.Property<Guid?>("ComplexId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<string>("Icon")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime>("InsertTime")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("datetime2")
+                        .HasDefaultValue(new DateTime(2026, 6, 11, 19, 41, 56, 680, DateTimeKind.Local).AddTicks(2670));
+
+                    b.Property<bool>("IsRemoved")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bit")
+                        .HasDefaultValue(false);
+
+                    b.Property<DateTime?>("RemoveTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime?>("UpdateTime")
+                        .HasColumnType("datetime2");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("UnitStates");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.UserToken", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<string>("MobileModel")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("PersonId")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(450)");
+
+                    b.Property<string>("RefreshToken")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime>("RefreshTokenExp")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime>("TokenExp")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("TokenHash")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PersonId");
+
+                    b.ToTable("UserTokens");
+                });
+
+            modelBuilder.Entity("CostCycleUnit", b =>
+                {
+                    b.Property<Guid>("CostCyclesId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<Guid>("UnitsId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.HasKey("CostCyclesId", "UnitsId");
+
+                    b.HasIndex("UnitsId");
+
+                    b.ToTable("CostCycleUnit");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.TransactionType", b =>
+                {
+                    b.HasBaseType("Complex.Domain.Entities.BasicTable");
+
+                    b.HasDiscriminator().HasValue("TransactionType");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.City", b =>
+                {
+                    b.HasOne("Complex.Domain.Entities.Province", "Province")
+                        .WithMany("Cities")
+                        .HasForeignKey("ProvinceId");
+
+                    b.Navigation("Province");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.ComplexEntity", b =>
+                {
+                    b.HasOne("Complex.Domain.Entities.City", "City")
+                        .WithMany()
+                        .HasForeignKey("CityId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Complex.Domain.Entities.ComplexEntity", "Parent")
+                        .WithMany()
+                        .HasForeignKey("ParentId");
+
+                    b.Navigation("City");
+
+                    b.Navigation("Parent");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.ComplexManager", b =>
+                {
+                    b.HasOne("Complex.Domain.Entities.ComplexEntity", "Complex")
+                        .WithMany("ComplexManagers")
+                        .HasForeignKey("ComplexId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Complex.Domain.Entities.Person", "ManagerMobileNumber")
+                        .WithMany()
+                        .HasForeignKey("ManagerMobileNumberId");
+
+                    b.Navigation("Complex");
+
+                    b.Navigation("ManagerMobileNumber");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.ComplexPerson", b =>
+                {
+                    b.HasOne("Complex.Domain.Entities.Person", "PersonMobileNumber")
+                        .WithMany()
+                        .HasForeignKey("PersonMobileNumberId");
+
+                    b.Navigation("PersonMobileNumber");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.CostCycle", b =>
+                {
+                    b.HasOne("Complex.Domain.Entities.ComplexEntity", "Complex")
+                        .WithMany()
+                        .HasForeignKey("ComplexId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Complex.Domain.Entities.IncomeCostTitle", "IncomeCostTitle")
+                        .WithMany()
+                        .HasForeignKey("IncomeCostTitleId");
+
+                    b.Navigation("Complex");
+
+                    b.Navigation("IncomeCostTitle");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.IncomeCostTitle", b =>
+                {
+                    b.HasOne("Complex.Domain.Entities.ComplexEntity", "Complex")
+                        .WithMany()
+                        .HasForeignKey("ComplexId");
+
+                    b.HasOne("Complex.Domain.Entities.TransactionType", "TransactionType")
+                        .WithMany()
+                        .HasForeignKey("TransactionTypeId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Complex");
+
+                    b.Navigation("TransactionType");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.Transaction", b =>
+                {
+                    b.HasOne("Complex.Domain.Entities.CostCycle", "CostCycle")
+                        .WithMany()
+                        .HasForeignKey("CostCycleId");
+
+                    b.HasOne("Complex.Domain.Entities.Person", "Person")
+                        .WithMany()
+                        .HasForeignKey("PersonId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Complex.Domain.Entities.IncomeCostTitle", "TransactionTitle")
+                        .WithMany()
+                        .HasForeignKey("TransactionTitleId");
+
+                    b.HasOne("Complex.Domain.Entities.UnitCost", "UnitCost")
+                        .WithOne("Transaction")
+                        .HasForeignKey("Complex.Domain.Entities.Transaction", "UnitCostId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Complex.Domain.Entities.Unit", "Unit")
+                        .WithMany()
+                        .HasForeignKey("UnitId");
+
+                    b.Navigation("CostCycle");
+
+                    b.Navigation("Person");
+
+                    b.Navigation("TransactionTitle");
+
+                    b.Navigation("Unit");
+
+                    b.Navigation("UnitCost");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.Unit", b =>
+                {
+                    b.HasOne("Complex.Domain.Entities.ComplexEntity", "Complex")
+                        .WithMany("Units")
+                        .HasForeignKey("ComplexId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Complex.Domain.Entities.Person", "Owner")
+                        .WithMany()
+                        .HasForeignKey("OwnerId");
+
+                    b.HasOne("Complex.Domain.Entities.UnitState", "State")
+                        .WithMany()
+                        .HasForeignKey("StateId");
+
+                    b.HasOne("Complex.Domain.Entities.Person", "Tenant")
+                        .WithMany()
+                        .HasForeignKey("TenantId");
+
+                    b.Navigation("Complex");
+
+                    b.Navigation("Owner");
+
+                    b.Navigation("State");
+
+                    b.Navigation("Tenant");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.UnitCost", b =>
+                {
+                    b.HasOne("Complex.Domain.Entities.CostCycle", "CostCycle")
+                        .WithMany()
+                        .HasForeignKey("CostCycleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Complex.Domain.Entities.Unit", "Unit")
+                        .WithMany()
+                        .HasForeignKey("UnitId")
+                        .OnDelete(DeleteBehavior.NoAction)
+                        .IsRequired();
+
+                    b.Navigation("CostCycle");
+
+                    b.Navigation("Unit");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.UserToken", b =>
+                {
+                    b.HasOne("Complex.Domain.Entities.Person", "Person")
+                        .WithMany("UserTokens")
+                        .HasForeignKey("PersonId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Person");
+                });
+
+            modelBuilder.Entity("CostCycleUnit", b =>
+                {
+                    b.HasOne("Complex.Domain.Entities.CostCycle", null)
+                        .WithMany()
+                        .HasForeignKey("CostCyclesId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Complex.Domain.Entities.Unit", null)
+                        .WithMany()
+                        .HasForeignKey("UnitsId")
+                        .OnDelete(DeleteBehavior.NoAction)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.ComplexEntity", b =>
+                {
+                    b.Navigation("ComplexManagers");
+
+                    b.Navigation("Units");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.Person", b =>
+                {
+                    b.Navigation("UserTokens");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.Province", b =>
+                {
+                    b.Navigation("Cities");
+                });
+
+            modelBuilder.Entity("Complex.Domain.Entities.UnitCost", b =>
+                {
+                    b.Navigation("Transaction")
+                        .IsRequired();
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/Complex.Infrastructure/Migrations/20260611161156_AddAuditableToChat.cs b/Complex.Infrastructure/Migrations/20260611161156_AddAuditableToChat.cs
new file mode 100644
index 0000000..03ebe86
--- /dev/null
+++ b/Complex.Infrastructure/Migrations/20260611161156_AddAuditableToChat.cs
@@ -0,0 +1,258 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Complex.Infrastructure.Migrations
+{
+    public partial class AddAuditableToChat : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "InsertTime",
+                table: "UnitStates",
+                type: "datetime2",
+                nullable: false,
+                defaultValue: new DateTime(2026, 6, 11, 19, 41, 56, 680, DateTimeKind.Local).AddTicks(2670),
+                oldClrType: typeof(DateTime),
+                oldType: "datetime2",
+                oldDefaultValue: new DateTime(2026, 6, 9, 2, 28, 45, 626, DateTimeKind.Local).AddTicks(1646));
+
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "InsertTime",
+                table: "Units",
+                type: "datetime2",
+                nullable: false,
+                defaultValue: new DateTime(2026, 6, 11, 19, 41, 56, 679, DateTimeKind.Local).AddTicks(9506),
+                oldClrType: typeof(DateTime),
+                oldType: "datetime2",
+                oldDefaultValue: new DateTime(2026, 6, 9, 2, 28, 45, 625, DateTimeKind.Local).AddTicks(7151));
+
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "InsertTime",
+                table: "UnitCosts",
+                type: "datetime2",
+                nullable: false,
+                defaultValue: new DateTime(2026, 6, 11, 19, 41, 56, 680, DateTimeKind.Local).AddTicks(1537),
+                oldClrType: typeof(DateTime),
+                oldType: "datetime2",
+                oldDefaultValue: new DateTime(2026, 6, 9, 2, 28, 45, 625, DateTimeKind.Local).AddTicks(9764));
+
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "InsertTime",
+                table: "Transactions",
+                type: "datetime2",
+                nullable: false,
+                defaultValue: new DateTime(2026, 6, 11, 19, 41, 56, 679, DateTimeKind.Local).AddTicks(7492),
+                oldClrType: typeof(DateTime),
+                oldType: "datetime2",
+                oldDefaultValue: new DateTime(2026, 6, 9, 2, 28, 45, 625, DateTimeKind.Local).AddTicks(3921));
+
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "InsertTime",
+                table: "Persons",
+                type: "datetime2",
+                nullable: false,
+                defaultValue: new DateTime(2026, 6, 11, 19, 41, 56, 679, DateTimeKind.Local).AddTicks(5645),
+                oldClrType: typeof(DateTime),
+                oldType: "datetime2",
+                oldDefaultValue: new DateTime(2026, 6, 9, 2, 28, 45, 625, DateTimeKind.Local).AddTicks(1728));
+
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "InsertTime",
+                table: "IncomeCostTitles",
+                type: "datetime2",
+                nullable: false,
+                defaultValue: new DateTime(2026, 6, 11, 19, 41, 56, 679, DateTimeKind.Local).AddTicks(3528),
+                oldClrType: typeof(DateTime),
+                oldType: "datetime2",
+                oldDefaultValue: new DateTime(2026, 6, 9, 2, 28, 45, 624, DateTimeKind.Local).AddTicks(9858));
+
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "InsertTime",
+                table: "CostCycles",
+                type: "datetime2",
+                nullable: false,
+                defaultValue: new DateTime(2026, 6, 11, 19, 41, 56, 679, DateTimeKind.Local).AddTicks(1849),
+                oldClrType: typeof(DateTime),
+                oldType: "datetime2",
+                oldDefaultValue: new DateTime(2026, 6, 9, 2, 28, 45, 624, DateTimeKind.Local).AddTicks(7249));
+
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "InsertTime",
+                table: "ComplexUnitEvents",
+                type: "datetime2",
+                nullable: false,
+                defaultValue: new DateTime(2026, 6, 11, 19, 41, 56, 679, DateTimeKind.Local).AddTicks(795),
+                oldClrType: typeof(DateTime),
+                oldType: "datetime2",
+                oldDefaultValue: new DateTime(2026, 6, 9, 2, 28, 45, 624, DateTimeKind.Local).AddTicks(5016));
+
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "InsertTime",
+                table: "ComplexManagers",
+                type: "datetime2",
+                nullable: false,
+                defaultValue: new DateTime(2026, 6, 11, 19, 41, 56, 678, DateTimeKind.Local).AddTicks(9914),
+                oldClrType: typeof(DateTime),
+                oldType: "datetime2",
+                oldDefaultValue: new DateTime(2026, 6, 9, 2, 28, 45, 624, DateTimeKind.Local).AddTicks(2426));
+
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "InsertTime",
+                table: "ComplexEntities",
+                type: "datetime2",
+                nullable: false,
+                defaultValue: new DateTime(2026, 6, 11, 19, 41, 56, 678, DateTimeKind.Local).AddTicks(7208),
+                oldClrType: typeof(DateTime),
+                oldType: "datetime2",
+                oldDefaultValue: new DateTime(2026, 6, 9, 2, 28, 45, 623, DateTimeKind.Local).AddTicks(7632));
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "InsertTime",
+                table: "Chats",
+                type: "datetime2",
+                nullable: false,
+                defaultValue: new DateTime(2026, 6, 11, 19, 41, 56, 678, DateTimeKind.Local).AddTicks(4132));
+
+            migrationBuilder.AddColumn<bool>(
+                name: "IsRemoved",
+                table: "Chats",
+                type: "bit",
+                nullable: false,
+                defaultValue: false);
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "RemoveTime",
+                table: "Chats",
+                type: "datetime2",
+                nullable: true);
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "UpdateTime",
+                table: "Chats",
+                type: "datetime2",
+                nullable: true);
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "InsertTime",
+                table: "Chats");
+
+            migrationBuilder.DropColumn(
+                name: "IsRemoved",
+                table: "Chats");
+
+            migrationBuilder.DropColumn(
+                name: "RemoveTime",
+                table: "Chats");
+
+            migrationBuilder.DropColumn(
+                name: "UpdateTime",
+                table: "Chats");
+
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "InsertTime",
+                table: "UnitStates",
+                type: "datetime2",
+                nullable: false,
+                defaultValue: new DateTime(2026, 6, 9, 2, 28, 45, 626, DateTimeKind.Local).AddTicks(1646),
+                oldClrType: typeof(DateTime),
+                oldType: "datetime2",
+                oldDefaultValue: new DateTime(2026, 6, 11, 19, 41, 56, 680, DateTimeKind.Local).AddTicks(2670));
+
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "InsertTime",
+                table: "Units",
+                type: "datetime2",
+                nullable: false,
+                defaultValue: new DateTime(2026, 6, 9, 2, 28, 45, 625, DateTimeKind.Local).AddTicks(7151),
+                oldClrType: typeof(DateTime),
+                oldType: "datetime2",
+                oldDefaultValue: new DateTime(2026, 6, 11, 19, 41, 56, 679, DateTimeKind.Local).AddTicks(9506));
+
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "InsertTime",
+                table: "UnitCosts",
+                type: "datetime2",
+                nullable: false,
+                defaultValue: new DateTime(2026, 6, 9, 2, 28, 45, 625, DateTimeKind.Local).AddTicks(9764),
+                oldClrType: typeof(DateTime),
+                oldType: "datetime2",
+                oldDefaultValue: new DateTime(2026, 6, 11, 19, 41, 56, 680, DateTimeKind.Local).AddTicks(1537));
+
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "InsertTime",
+                table: "Transactions",
+                type: "datetime2",
+                nullable: false,
+                defaultValue: new DateTime(2026, 6, 9, 2, 28, 45, 625, DateTimeKind.Local).AddTicks(3921),
+                oldClrType: typeof(DateTime),
+                oldType: "datetime2",
+                oldDefaultValue: new DateTime(2026, 6, 11, 19, 41, 56, 679, DateTimeKind.Local).AddTicks(7492));
+
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "InsertTime",
+                table: "Persons",
+                type: "datetime2",
+                nullable: false,
+                defaultValue: new DateTime(2026, 6, 9, 2, 28, 45, 625, DateTimeKind.Local).AddTicks(1728),
+                oldClrType: typeof(DateTime),
+                oldType: "datetime2",
+                oldDefaultValue: new DateTime(2026, 6, 11, 19, 41, 56, 679, DateTimeKind.Local).AddTicks(5645));
+
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "InsertTime",
+                table: "IncomeCostTitles",
+                type: "datetime2",
+                nullable: false,
+                defaultValue: new DateTime(2026, 6, 9, 2, 28, 45, 624, DateTimeKind.Local).AddTicks(9858),
+                oldClrType: typeof(DateTime),
+                oldType: "datetime2",
+                oldDefaultValue: new DateTime(2026, 6, 11, 19, 41, 56, 679, DateTimeKind.Local).AddTicks(3528));
+
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "InsertTime",
+                table: "CostCycles",
+                type: "datetime2",
+                nullable: false,
+                defaultValue: new DateTime(2026, 6, 9, 2, 28, 45, 624, DateTimeKind.Local).AddTicks(7249),
+                oldClrType: typeof(DateTime),
+                oldType: "datetime2",
+                oldDefaultValue: new DateTime(2026, 6, 11, 19, 41, 56, 679, DateTimeKind.Local).AddTicks(1849));
+
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "InsertTime",
+                table: "ComplexUnitEvents",
+                type: "datetime2",
+                nullable: false,
+                defaultValue: new DateTime(2026, 6, 9, 2, 28, 45, 624, DateTimeKind.Local).AddTicks(5016),
+                oldClrType: typeof(DateTime),
+                oldType: "datetime2",
+                oldDefaultValue: new DateTime(2026, 6, 11, 19, 41, 56, 679, DateTimeKind.Local).AddTicks(795));
+
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "InsertTime",
+                table: "ComplexManagers",
+                type: "datetime2",
+                nullable: false,
+                defaultValue: new DateTime(2026, 6, 9, 2, 28, 45, 624, DateTimeKind.Local).AddTicks(2426),
+                oldClrType: typeof(DateTime),
+                oldType: "datetime2",
+                oldDefaultValue: new DateTime(2026, 6, 11, 19, 41, 56, 678, DateTimeKind.Local).AddTicks(9914));
+
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "InsertTime",
+                table: "ComplexEntities",
+                type: "datetime2",
+                nullable: false,
+                defaultValue: new DateTime(2026, 6, 9, 2, 28, 45, 623, DateTimeKind.Local).AddTicks(7632),
+                oldClrType: typeof(DateTime),
+                oldType: "datetime2",
+                oldDefaultValue: new DateTime(2026, 6, 11, 19, 41, 56, 678, DateTimeKind.Local).AddTicks(7208));
+        }
+    }
+}