dev-demo: add specifications field and json editor plugin

AdminForth/1704/create-json-editor-plugin

Author: yaroslav8765

dev-demo/migrations/clickhouse_migrations/4_add_specifications_field.sql

@@ -0,0 +1 @@
+ALTER TABLE cars ADD COLUMN specifications Nullable(String);

dev-demo/migrations/prisma/mysql/migrations/20260625141939_add_specifications_field/migration.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE `cars` ADD COLUMN `specifications` VARCHAR(191) NULL;

dev-demo/migrations/prisma/mysql/schema.mysql.prisma

@@ -23,6 +23,7 @@ model cars {
   body_type      String?
 
   photos         String?
+  specifications String?
 
   seller_id      String?
   seller         String?

dev-demo/migrations/prisma/postgres/migrations/20260625141939_add_specifications_field/migration.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "cars" ADD COLUMN     "specifications" TEXT;

dev-demo/migrations/prisma/postgres/schema.postgres.prisma

@@ -23,6 +23,7 @@ model cars {
   body_type      String?
 
   photos         String?
+  specifications String?
 
   seller_id      String?
   seller         String?

dev-demo/migrations/prisma/sqlite/migrations/20260625111840_add_specifications_field/migration.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "cars" ADD COLUMN "specifications" TEXT;

dev-demo/migrations/prisma/sqlite/schema.prisma

@@ -34,6 +34,7 @@ model cars {
   body_type      String?
 
   photos         String?
+  specifications String?
 
   seller_id      String?
   seller         String?

dev-demo/resources/cars_resources/carsResourseTemplate.ts

@@ -26,6 +26,7 @@ import AdminForthImageVisionAdapterOpenAi from '../../../adapters/adminforth-ima
 import { logger } from '../../../adminforth/modules/logger.js';
 import { afLogger } from '../../../adminforth/modules/logger.js';
 import ForeignInlineListPlugin from '../../../plugins/adminforth-foreign-inline-list/index.js';
+import JsonEditorPlugin from '../../../plugins/adminforth-json-editor/index.js';
 
 const CAR_RESOURCE_DB_LABELS = {
   sqlite: 'SQLite',
@@ -166,6 +167,15 @@ export default function carsResourseTemplate(resourceId: string, dataSource: Car
           list: false 
         },
       },
+      {
+        name: 'specifications',
+        type: AdminForthDataTypes.JSON,
+        label: 'Specifications',
+        sortable: false,
+        showIn: {
+          list: false,
+        },
+      },
       {
         name: 'seller_id',
         type: AdminForthDataTypes.STRING,
@@ -257,6 +267,9 @@ export default function carsResourseTemplate(resourceId: string, dataSource: Car
           }
         } : {}),
       }),
+      new JsonEditorPlugin({
+        fieldName: 'specifications',
+      }),
       new importExport({}),
       // new InlineCreatePlugin({}),
       new ListInPlaceEditPlugin({