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

packages/api/src/server.ts

@@ -3,7 +3,7 @@ import cors from "@fastify/cors";
 import helmet from "@fastify/helmet";
 import sensible from "@fastify/sensible";
 import { extractOrGenerateRequestId } from "@shieldai/types";
-import { darkwatchRoutes, voiceprintRoutes } from "./routes";
+import { darkwatchRoutes, voiceprintRoutes, correlationRoutes } from "./routes";
 
 const app = Fastify({
   logger: {
@@ -27,6 +27,7 @@ async function bootstrap() {
 
   await app.register(darkwatchRoutes);
   await app.register(voiceprintRoutes);
+  await app.register(correlationRoutes);
 
   app.get("/health", async () => ({ status: "ok", timestamp: new Date().toISOString() }));