feat: accounting integration (D27), SMS relay driver (D26), rebuild user apps

- Add Tahesab/Zarrin accounting sync module with admin panel UI
- Add SMS relay driver as default provider, refactor SMS into driver pattern
- Update customer services, orders, products, and catalog queries
- Rebuild user-app and user-app-v2 dist assets
- Add Prisma migration for accounting tables
- Update docker-compose and env examples
- Update parity docs (DECISIONS, ISSUES, PROGRESS)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

apps/api/src/modules/admin-customers/admin-customers.service.ts

@@ -6,6 +6,7 @@ import { TableService } from '../admin-table/table.service';
 import type { TableQueryDto } from '../admin-table/table-query.dto';
 import { faToEn } from '../customer-auth/digits';
 import { SmsService } from '../sms/sms.service';
+import { AccountingHooksService } from '../accounting-sync/accounting-hooks.service';
 
 /**
  * Wholesale ("عمده") customer lists — legacy views/customer/omde/*.
@@ -97,6 +98,7 @@ export class AdminCustomersService {
     private readonly prisma: PrismaService,
     private readonly table: TableService,
     private readonly sms: SmsService,
+    private readonly accounting: AccountingHooksService,
   ) {}
 
   /**
@@ -802,7 +804,16 @@ export class AdminCustomersService {
       patch.shopImageUrl = (data.shop_image as string) || null;
     }
 
-    return this.prisma.customer.update({ where: { id }, data: patch });
+    // D27 — the fields the accounting account carries. A change to one of them
+    // is pushed to a linked account.
+    const contactChanged = ['fname', 'lname', 'name', 'mobile', 'national_code', 'phone', 'address'].some(
+      (k) => data[k] !== undefined,
+    );
+    return this.prisma.$transaction(async (tx) => {
+      const updated = await tx.customer.update({ where: { id }, data: patch });
+      if (contactChanged) await this.accounting.customerEdited(tx, id);
+      return updated;
+    });
   }
 
   /**
@@ -957,7 +968,15 @@ export class AdminCustomersService {
       throw new BadRequestException('مرحله‌ی تایید مشخص نشده است');
     }
 
-    return this.prisma.customer.update({ where: { id }, data: { verificationStep: next } });
+    return this.prisma.$transaction(async (tx) => {
+      const updated = await tx.customer.update({ where: { id }, data: { verificationStep: next } });
+      // D27 — a verified customer gets an account in the accounting software
+      // (queued; searched by mobile first, so an existing account is linked).
+      if (next === VerificationStep.VERIFIED && c.verificationStep !== VerificationStep.VERIFIED) {
+        await this.accounting.customerVerified(tx, id);
+      }
+      return updated;
+    });
   }
 
   /** Legacy `GET major/archive/{id}` — MajorCustomerController::archive. */