Restructure omni services and add Chatwoot research snapshot

omni_outbound/src/worker.ts

@@ -0,0 +1,34 @@
+import { OUTBOUND_DELIVERY_QUEUE_NAME, startOutboundDeliveryWorker } from "./queues/outboundDelivery";
+import { prisma } from "./utils/prisma";
+import { getRedis } from "./utils/redis";
+
+const worker = startOutboundDeliveryWorker();
+console.log(`[omni_outbound] started queue ${OUTBOUND_DELIVERY_QUEUE_NAME}`);
+
+async function shutdown(signal: string) {
+  console.log(`[omni_outbound] shutting down by ${signal}`);
+  try {
+    await worker.close();
+  } catch {
+    // ignore shutdown errors
+  }
+  try {
+    const redis = getRedis();
+    await redis.quit();
+  } catch {
+    // ignore shutdown errors
+  }
+  try {
+    await prisma.$disconnect();
+  } catch {
+    // ignore shutdown errors
+  }
+  process.exit(0);
+}
+
+process.on("SIGINT", () => {
+  void shutdown("SIGINT");
+});
+process.on("SIGTERM", () => {
+  void shutdown("SIGTERM");
+});