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/vitest.config.ts

@@ -0,0 +1,14 @@
+import { defineConfig } from 'vitest/config';
+
+export default defineConfig({
+  test: {
+    globals: true,
+    environment: 'node',
+    include: ['test/**/*.test.ts'],
+    coverage: {
+      provider: 'v8',
+      include: ['src/**/*.ts'],
+      exclude: ['src/index.ts'],
+    },
+  },
+});