feat(billing): start demos on the core plan and apply tariff levels

New signups get the core module set with the 7-day demo. Superadmin can apply core, team, organization, or dedicated and the owner's environments take that level's access.

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

apps/api/src/billing/billing.service.ts

@@ -21,6 +21,9 @@ import {
   defaultEnabledModules,
   isPermanentBillingPlan,
   isOrgModuleKey,
+  modulesForProductPlan,
+  PRODUCT_PLAN_LIMITS,
+  type ProductPlanCode,
 } from '@mento/shared';
 import { PrismaService } from '../prisma/prisma.service';
 import { PlatformAdminAlertService } from './platform-admin-alert.service';
@@ -414,7 +417,37 @@ export class BillingService {
   }
 
   defaultModulesForNewOrg(): OrgModuleKey[] {
-    return defaultEnabledModules();
+    return modulesForProductPlan('core');
+  }
+
+  /** سطح امکانات را روی همهٔ محیط‌های مالک می‌گذارد و سقف هسته/تیم/سازمان را هم تنظیم می‌کند. */
+  async applyProductPlan(organizationId: string, code: ProductPlanCode) {
+    const modules = modulesForProductPlan(code);
+    const owner = await this.prisma.membership.findFirst({
+      where: { organizationId, role: 'owner', isActive: true },
+      orderBy: { createdAt: 'asc' },
+      select: { userId: true },
+    });
+    const orgIds = owner ? await this.ownedOrganizationIds(owner.userId) : [organizationId];
+    for (const id of orgIds) {
+      await this.setOrgModules(id, modules);
+    }
+    const limits = PRODUCT_PLAN_LIMITS[code];
+    if (owner && (limits.maxUsers != null || limits.maxOrganizations != null)) {
+      const account = await this.getByOwnerUserId(owner.userId);
+      if (account) {
+        await this.prisma.billingAccount.update({
+          where: { id: account.id },
+          data: {
+            ...(limits.maxUsers != null ? { maxUsers: limits.maxUsers } : {}),
+            ...(limits.maxOrganizations != null
+              ? { maxOrganizations: limits.maxOrganizations }
+              : {}),
+          },
+        });
+      }
+    }
+    return modules;
   }
 
   async countExpiringSoon() {

apps/api/src/platform/dto.ts

@@ -13,7 +13,7 @@ import {
   MinLength,
   ValidateIf,
 } from 'class-validator';
-import { USER_ROLES, type UserRole } from '@mento/shared';
+import { PRODUCT_PLAN_CODES, USER_ROLES, type ProductPlanCode, type UserRole } from '@mento/shared';
 
 export class PlatformLoginDto {
   @IsString()
@@ -189,6 +189,11 @@ export class SetStorageQuotaDto {
   quotaGb!: number | null;
 }
 
+export class ApplyProductPlanDto {
+  @IsIn(PRODUCT_PLAN_CODES)
+  planCode!: ProductPlanCode;
+}
+
 export class UpdateOrgModulesDto {
   @IsArray()
   @IsString({ each: true })

apps/api/src/platform/platform.controller.ts

@@ -13,6 +13,7 @@ import {
 import { CurrentUser } from '../auth/current-user.decorator';
 import {
   ApplyBillingPlanDto,
+  ApplyProductPlanDto,
   SetStorageQuotaDto,
   SetUserCapDto,
   CreatePlatformAdminDto,
@@ -168,6 +169,11 @@ export class PlatformController {
     return this.platform.setUserCap(id, dto.maxUsers);
   }
 
+  @Post('organizations/:id/product-plan')
+  applyProductPlan(@Param('id') id: string, @Body() dto: ApplyProductPlanDto) {
+    return this.platform.applyProductPlan(id, dto.planCode);
+  }
+
   @Patch('organizations/:id/modules')
   updateOrganizationModules(
     @Param('id') id: string,

apps/api/src/platform/platform.service.ts

@@ -9,6 +9,7 @@ import type {
   PlatformOrganizationDto,
   PlatformStatsDto,
   PlatformUserDto,
+  ProductPlanCode,
   UserRole,
 } from '@mento/shared';
 import { isBusinessField } from '@mento/shared';
@@ -472,6 +473,16 @@ export class PlatformService {
     return this.getUser(userId);
   }
 
+  async applyProductPlan(id: string, planCode: ProductPlanCode) {
+    const existing = await this.prisma.organization.findUnique({
+      where: { id },
+      select: { id: true },
+    });
+    if (!existing) throw new NotFoundException('محیط پیدا نشد');
+    await this.billing.applyProductPlan(id, planCode);
+    return this.getOrganization(id);
+  }
+
   async updateOrganizationModules(id: string, dto: UpdateOrgModulesDto) {
     const existing = await this.prisma.organization.findUnique({
       where: { id },