Initial commit: SDI SaaS Platform foundation

- Complete monorepo structure with pnpm workspaces
- Prisma database schema with 20+ entities
- NestJS API with 9 core modules
- BullMQ orchestration worker
- AWS and Azure provider adapters
- Docker Compose infrastructure
- Complete documentation

apps/worker/src/main.ts

@@ -0,0 +1,62 @@
+import { Worker, Queue } from 'bullmq';
+import { PrismaClient } from '@sdi/database';
+import { ProvisioningOrchestrator } from './orchestration/provisioning-orchestrator';
+import Redis from 'ioredis';
+
+const connection = new Redis(process.env.REDIS_URL || 'redis://localhost:6379', {
+  maxRetriesPerRequest: null,
+});
+
+const prisma = new PrismaClient();
+const orchestrator = new ProvisioningOrchestrator(prisma);
+
+// Provisioning queue worker
+const provisioningWorker = new Worker(
+  'provisioning',
+  async (job) => {
+    console.log(`Processing job ${job.id}: ${job.name}`);
+
+    switch (job.name) {
+      case 'provision-order':
+        await orchestrator.provisionOrder(job.data.orderId);
+        break;
+      case 'modify-service':
+        await orchestrator.modifyService(job.data.serviceId, job.data.changes);
+        break;
+      case 'suspend-service':
+        await orchestrator.suspendService(job.data.serviceId);
+        break;
+      case 'terminate-service':
+        await orchestrator.terminateService(job.data.serviceId);
+        break;
+      default:
+        throw new Error(`Unknown job type: ${job.name}`);
+    }
+  },
+  {
+    connection,
+    concurrency: 5,
+    limiter: {
+      max: 10,
+      duration: 1000,
+    },
+  },
+);
+
+provisioningWorker.on('completed', (job) => {
+  console.log(`✓ Job ${job.id} completed successfully`);
+});
+
+provisioningWorker.on('failed', (job, err) => {
+  console.error(`✗ Job ${job?.id} failed:`, err.message);
+});
+
+// Graceful shutdown
+process.on('SIGTERM', async () => {
+  console.log('SIGTERM received, closing worker...');
+  await provisioningWorker.close();
+  await prisma.$disconnect();
+  process.exit(0);
+});
+
+console.log('🔧 Worker started and listening for jobs...');