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/shared-notifications/src/templates/default-templates.ts

@@ -94,6 +94,31 @@ export const DefaultEmailTemplates: TemplateDefinition[] = [
       { name: 'report_url', type: 'string', required: true },
     ],
   },
+  {
+    id: 'report_ready',
+    name: 'Report Ready Notification',
+    channel: 'email',
+    locale: 'en',
+    category: 'report',
+    subject: 'ShieldAI: {{report_title}} Ready',
+    body: 'Hi {{name}},\n\nYour {{report_title}} is ready to view.\n\nSummary: {{report_summary}}\n\nView Report: {{report_url}}\nDownload PDF: {{pdf_url}}\n\nBest regards,\nThe ShieldAI Team',
+    htmlBody: `
+      <h2>Your ShieldAI Report is Ready</h2>
+      <p>Hi {{name}},</p>
+      <p><strong>{{report_title}}</strong></p>
+      <p>{{report_summary}}</p>
+      <p><a href="{{report_url}}">View Report</a></p>
+      <p><a href="{{pdf_url}}">Download PDF</a></p>
+      <p>Best regards,<br>The ShieldAI Team</p>
+    `,
+    variables: [
+      { name: 'name', type: 'string', required: true },
+      { name: 'report_title', type: 'string', required: true },
+      { name: 'report_summary', type: 'string', required: false, defaultValue: 'Your protection report contains detailed statistics and recommendations.' },
+      { name: 'report_url', type: 'string', required: true },
+      { name: 'pdf_url', type: 'string', required: true },
+    ],
+  },
 ];
 
 export const DefaultSMSTemplates: TemplateDefinition[] = [