Add Info Broker Removal service (FRE-5402)

New service for helping clients remove personal listings from data broker sites.

Service features:
- BrokerRegistry: Catalog of 20+ data brokers with removal methods
- RemoveBrokersService: Core service for scanning, creating removal requests,
  submitting removals, and verifying completions
- RemoveBrokersScheduler: Automated processing of pending removals and
  verification of completed removals
- BrokerAlertPipeline: Alert integration for listing discoveries and removal status

API endpoints (/removebrokers):
- GET /brokers - List available data brokers
- GET /status - Get removal request status and stats
- POST /scan - Scan for personal listings across brokers
- POST /request - Create a new removal request
- GET /request/:id - Get specific removal request details
- DELETE /request/:id - Cancel a removal request
- POST /process - Trigger processing of pending removals
- POST /verify/:id - Manually verify a removal completion

DB models: InfoBroker, RemovalRequest, BrokerListing
Types: BrokerStatus, RemovalStatus, RemovalMethod, and related interfaces

services/removebrokers/package.json

@@ -0,0 +1,25 @@
+{
+  "name": "@shieldai/removebrokers",
+  "version": "0.1.0",
+  "main": "./dist/index.js",
+  "types": "./dist/index.js",
+  "scripts": {
+    "build": "tsc",
+    "test": "vitest run",
+    "test:coverage": "vitest run --coverage",
+    "lint": "eslint src/"
+  },
+  "dependencies": {
+    "@shieldai/db": "workspace:*",
+    "@shieldai/types": "workspace:*",
+    "@shieldai/shared-notifications": "workspace:*",
+    "node-cache": "^5.1.2"
+  },
+  "devDependencies": {
+    "vitest": "^4.1.5",
+    "@vitest/coverage-v8": "^4.1.5"
+  },
+  "exports": {
+    ".": "./src/index.ts"
+  }
+}