Fix FRE-5402: Add missing @shieldai/removebrokers dependency and fix compilation blockers

- Add @shieldai/removebrokers workspace dependency to API package.json
- Fix misleading error message: 'Admin access required' -> 'Support access required'
- Export RemovalRequest, InfoBroker, BrokerListing types from @shieldai/db
- Export RemovalStatus, RemovalMethod, BrokerCategory enums from @shieldai/db
- Fix BrokerAlertPipeline: correlationPipeline -> correlationService.ingestGenericAlert
- Add @shieldai/correlation dependency to removebrokers package
- Fix removalUrl null vs undefined type mismatch in RemoveBrokersService
- Fix shared-billing package.json typo: @shieldsai -> @shieldai for shared-notifications

packages/api/src/routes/removebrokers.routes.ts

@@ -1,6 +1,7 @@
 import { FastifyInstance, FastifyRequest, FastifyReply } from 'fastify';
 import { prisma } from '@shieldai/db';
 import { RemovalStatus, Severity, AlertCategory, EntityTypes } from '@shieldai/types';
+import type { RemovalStatus as PrismaRemovalStatus } from '@shieldai/db';
 import {
   removeBrokersService,
   removeBrokersScheduler,
@@ -313,7 +314,7 @@ export async function removebrokersRoutes(fastify: FastifyInstance) {
 
       await prisma.removalRequest.update({
         where: { id },
-        data: { status: RemovalStatus.CANCELLED },
+        data: { status: RemovalStatus.CANCELLED as PrismaRemovalStatus },
       });
 
       return reply.send({
@@ -336,7 +337,7 @@ export async function removebrokersRoutes(fastify: FastifyInstance) {
     }
 
     if (authReq.user.role !== 'support') {
-      return reply.code(403).send({ error: 'Admin access required' });
+      return reply.code(403).send({ error: 'Support access required' });
     }
 
     try {