Add cross-service alert correlation system FRE-4500

- Unified alert types (AlertSource, AlertCategory, CorrelationStatus, EntityType)
- NormalizedAlert and CorrelationGroup Prisma models
- AlertNormalizer for all 4 services (DarkWatch, SpamShield, VoicePrint, CallAnalysis)
- CorrelationEngine with temporal + entity-based correlation detection
- CorrelationService orchestrator with dashboard API
- Correlation API routes (/api/v1/correlation/*)
- Service emitters wired to DarkWatch, SpamShield, VoicePrint
- pnpm workspace config for monorepo

services/spamshield/package.json

@@ -10,8 +10,9 @@
     "typecheck": "tsc --noEmit"
   },
   "dependencies": {
-    "@shieldai/db": "0.1.0",
-    "@shieldai/types": "0.1.0",
+    "@shieldai/db": "workspace:*",
+    "@shieldai/types": "workspace:*",
+    "@shieldai/correlation": "workspace:*",
     "@prisma/client": "^6.2.0",
     "libphonenumber-js": "^1.10.50",
     "ws": "^8.16.0"

services/spamshield/src/services/spamshield.service.ts

@@ -1,6 +1,7 @@
 import { PrismaClient, SpamFeedback, SpamRule, SpamAuditLog } from '@prisma/client';
 import { FieldEncryptionService } from '@shieldai/db';
 import { generateRequestId } from '@shieldai/types';
+import { emitSpamShieldAlert } from '@shieldai/correlation';
 import { spamConfig, spamFeatureFlags } from '../config/spamshield.config';
 import { CircuitBreaker, CircuitBreakerError, CircuitState, CircuitBreakerMetrics } from '../circuit-breaker';
 import { validatePhoneNumber as validateE164 } from '../utils/phone-validation';
@@ -213,7 +214,7 @@ export class SpamShieldService {
     confidence = Math.min(confidence, 1.0);
     const decision = confidence > 0.8 ? 'BLOCK' : confidence > 0.5 ? 'FLAG' : 'ALLOW';
 
-    await prisma.spamAuditLog.create({
+    const auditLog = await prisma.spamAuditLog.create({
       data: {
         userId: 'system',
         phoneNumber: validated,
@@ -223,6 +224,17 @@ export class SpamShieldService {
       },
     });
 
+    if (decision === 'BLOCK' || decision === 'FLAG') {
+      emitSpamShieldAlert(
+        'system',
+        auditLog.id,
+        validated,
+        decision,
+        confidence,
+        ruleMatches
+      ).catch((err) => console.error(`[Correlation] SpamShield emit failed:`, err));
+    }
+
     return { decision, confidence, ruleMatches };
   }