Add Protection Report Generator with HTML/PDF output and scheduled delivery (FRE-4575)

- Report service: data collection from all three engines, HTML rendering (Handlebars), PDF generation (pdfkit)
- REST API: /reports endpoints for generate, history, view, PDF download, scheduling
- BullMQ workers: queued report generation with retry, monthly/annual scheduler triggers
- DB: SecurityReport model with Prisma schema and type exports
- Email: report_ready template in shared-notifications
- All dependencies wired through existing packages

Co-Authored-By: Paperclip <noreply@paperclip.ing>

packages/db/src/index.ts

@@ -52,6 +52,7 @@ export type {
   SpamRule,
   AuditLog,
   KPISnapshot,
+  SecurityReport,
   UserRole,
   FamilyMemberRole,
   SubscriptionTier,
@@ -65,6 +66,8 @@ export type {
   FeedbackType,
   RuleType,
   RuleAction,
+  ReportType,
+  ReportStatus,
 } from '@prisma/client';
 
 export * as PrismaModels from '@prisma/client';