feat(platform): text admins when an account opens or a subscription ends

Signup and admin-created accounts notify platform managers, and an ended plan sends one SMS instead of repeating for old expirations.

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

apps/api/src/auth/auth.service.ts

@@ -26,6 +26,7 @@ import { SmsGatewayService } from '../sms-billing/sms-gateway.service';
 import { LocalFileStorage } from '../storage/local-file.storage';
 import { MembershipsService } from '../memberships/memberships.service';
 import { BillingService } from '../billing/billing.service';
+import { PlatformAdminAlertService } from '../billing/platform-admin-alert.service';
 import { AttendanceService } from '../attendance/attendance.service';
 import type { Actor } from '../common/record-scope';
 import {
@@ -111,6 +112,7 @@ export class AuthService {
     private readonly files: LocalFileStorage,
     private readonly memberships: MembershipsService,
     private readonly billing: BillingService,
+    private readonly adminAlerts: PlatformAdminAlertService,
     private readonly attendance: AttendanceService,
   ) {}
 
@@ -280,6 +282,12 @@ export class AuthService {
       where: { id: organization.id },
       data: { enabledModules: this.billing.defaultModulesForNewOrg() },
     });
+    await this.adminAlerts.notifyNewAccount({
+      source: 'signup',
+      organizationName: organization.name,
+      ownerName: owner.fullName,
+      mobile: owner.mobile,
+    });
 
     await this.prisma.authChallenge.update({
       where: { id: challenge.id },