fix: tenants 联系电话唯一索引

src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/TakeoutAppDbContext.cs

@@ -458,6 +458,7 @@ public sealed class TakeoutAppDbContext(
         builder.Property(x => x.LogoUrl).HasMaxLength(256);
         builder.Property(x => x.Remarks).HasMaxLength(512);
         builder.HasIndex(x => x.Code).IsUnique();
+        builder.HasIndex(x => x.ContactPhone).IsUnique();
     }
 
     private static void ConfigureTenantVerificationProfile(EntityTypeBuilder<TenantVerificationProfile> builder)

src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251212135400_AddTenantContactPhoneUniqueIndex.cs

@@ -0,0 +1,28 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddTenantContactPhoneUniqueIndex : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateIndex(
+                name: "IX_tenants_ContactPhone",
+                table: "tenants",
+                column: "ContactPhone",
+                unique: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_tenants_ContactPhone",
+                table: "tenants");
+        }
+    }
+}

src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/TakeoutAppDbContextModelSnapshot.cs

@@ -5821,6 +5821,9 @@ namespace TakeoutSaaS.Infrastructure.Migrations
                     b.HasIndex("Code")
                         .IsUnique();
 
+                    b.HasIndex("ContactPhone")
+                        .IsUnique();
+
                     b.ToTable("tenants", null, t =>
                         {
                             t.HasComment("平台租户信息，描述租户的生命周期与基础资料。");
@@ -6247,12 +6250,6 @@ namespace TakeoutSaaS.Infrastructure.Migrations
                         .HasColumnType("boolean")
                         .HasComment("是否仍可售卖。");
 
-                    b.Property<int>("SortOrder")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("integer")
-                        .HasDefaultValue(0)
-                        .HasComment("展示排序，数值越小越靠前。");
-
                     b.Property<int?>("MaxAccountCount")
                         .HasColumnType("integer")
                         .HasComment("允许创建的最大账号数。");
@@ -6287,6 +6284,12 @@ namespace TakeoutSaaS.Infrastructure.Migrations
                         .HasColumnType("integer")
                         .HasComment("套餐分类（试用、标准、旗舰等）。");
 
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("展示排序，数值越小越靠前。");
+
                     b.Property<DateTime?>("UpdatedAt")
                         .HasColumnType("timestamp with time zone")
                         .HasComment("最近一次更新时间（UTC），从未更新时为 null。");