Ask for organization business field at signup, including jewelry.

Store Didar-style industry on the org so registration, settings, and Ask Mento share the same catalog.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/prisma/migrations/20260903160000_org_business_field/migration.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "Organization" ADD COLUMN "businessField" TEXT;

apps/api/prisma/schema.prisma

@@ -134,6 +134,8 @@ model Organization {
   id                String                   @id @default(cuid())
   name              String
   slug              String                   @unique
+  /// زمینه فعالیت سازمان — فهرست هم‌تراز صنایع دیدار
+  businessField     String?
   baseCurrency      String                   @default("IRR")
   enabledCurrencies String[]                 @default(["IRR", "USD", "EUR"])
   createdAt         DateTime                 @default(now())

apps/api/prisma/seed.ts

@@ -34,6 +34,7 @@ async function main() {
         slug: 'demo-mento',
         baseCurrency: 'IRR',
         enabledCurrencies: ['IRR', 'USD', 'EUR'],
+        businessField: 'tech',
         users: {
           create: {
             email,
@@ -60,6 +61,7 @@ async function main() {
     data: {
       baseCurrency: 'IRR',
       enabledCurrencies: ['IRR', 'USD', 'EUR'],
+      businessField: 'tech',
     },
   });
   for (const row of [