Add custom checks stores & storage checks

global.json

@@ -1,10 +1,10 @@
 {
   "sdk": {
-    "version": "10.0.100",
+    "version": "10.0.302",
     "allowPrerelease": false,
-    "rollForward": "latestFeature"
+    "rollForward": "disable"
   },
   "msbuild-sdks": {
     "Microsoft.Build.NoTargets": "3.7.134"
   }
-}
+}

src/ServiceControl.Persistence.EFCore.PostgreSql/Migrations/20260731054116_AddCustomChecks.cs

@@ -0,0 +1,41 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace ServiceControl.Persistence.EFCore.PostgreSql.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddCustomChecks : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "custom_checks",
+                columns: table => new
+                {
+                    id = table.Column<Guid>(type: "uuid", nullable: false),
+                    custom_check_id = table.Column<string>(type: "text", nullable: false),
+                    category = table.Column<string>(type: "text", nullable: false),
+                    status = table.Column<int>(type: "integer", nullable: false),
+                    reported_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    failure_reason = table.Column<string>(type: "text", nullable: true),
+                    originating_endpoint_name = table.Column<string>(type: "text", nullable: false),
+                    originating_endpoint_host_id = table.Column<Guid>(type: "uuid", nullable: false),
+                    originating_endpoint_host = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("pk_custom_checks", x => x.id);
+                });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "custom_checks");
+        }
+    }
+}

src/ServiceControl.Persistence.EFCore.PostgreSql/Migrations/PostgreSqlServiceControlDbContextModelSnapshot.cs

@@ -23,6 +23,54 @@ protected override void BuildModel(ModelBuilder modelBuilder)
 
             NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
 
+            modelBuilder.Entity("ServiceControl.Persistence.EFCore.Entities.CustomCheckEntity", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .HasColumnType("uuid")
+                        .HasColumnName("id");
+
+                    b.Property<string>("Category")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("category");
+
+                    b.Property<string>("CustomCheckId")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("custom_check_id");
+
+                    b.Property<string>("FailureReason")
+                        .HasColumnType("text")
+                        .HasColumnName("failure_reason");
+
+                    b.Property<string>("OriginatingEndpointHost")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("originating_endpoint_host");
+
+                    b.Property<Guid>("OriginatingEndpointHostId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("originating_endpoint_host_id");
+
+                    b.Property<string>("OriginatingEndpointName")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("originating_endpoint_name");
+
+                    b.Property<DateTime>("ReportedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("reported_at");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasColumnName("status");
+
+                    b.HasKey("Id")
+                        .HasName("pk_custom_checks");
+
+                    b.ToTable("custom_checks", (string)null);
+                });
+
             modelBuilder.Entity("ServiceControl.Persistence.EFCore.Entities.EndpointSettingsEntity", b =>
                 {
                     b.Property<string>("Name")