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/report/package.json

@@ -0,0 +1,27 @@
+{
+  "name": "@shieldai/report",
+  "version": "0.1.0",
+  "type": "module",
+  "main": "./src/index.ts",
+  "types": "./src/index.ts",
+  "scripts": {
+    "build": "tsc",
+    "test": "vitest run",
+    "lint": "eslint src/"
+  },
+  "dependencies": {
+    "@shieldai/db": "workspace:*",
+    "@shieldai/types": "workspace:*",
+    "handlebars": "^4.7.8",
+    "pdfkit": "^0.15.0"
+  },
+  "devDependencies": {
+    "vitest": "^4.1.5",
+    "@vitest/coverage-v8": "^4.1.5",
+    "@types/handlebars": "^4.1.0",
+    "@types/pdfkit": "^0.13.3"
+  },
+  "exports": {
+    ".": "./src/index.ts"
+  }
+}