omni_chat: consume receiver.flow and persist inbound telegram

omni_chat/src/index.ts

@@ -1,15 +1,20 @@
 import { createServer } from "node:http";
+import { closeReceiverWorker, RECEIVER_FLOW_QUEUE_NAME, receiverQueue, startReceiverWorker } from "./worker";
 
 const port = Number(process.env.PORT || 8090);
 const service = "omni_chat";
 
-const server = createServer((req, res) => {
+const server = createServer(async (req, res) => {
   if (req.method === "GET" && req.url === "/health") {
+    const q = receiverQueue();
+    const counts = await q.getJobCounts("wait", "active", "failed", "completed", "delayed");
+    await q.close();
     const payload = JSON.stringify({
       ok: true,
       service,
-      receiverFlow: process.env.RECEIVER_FLOW_QUEUE_NAME || "receiver.flow",
+      receiverFlow: RECEIVER_FLOW_QUEUE_NAME,
       senderFlow: process.env.SENDER_FLOW_QUEUE_NAME || "sender.flow",
+      queue: counts,
       now: new Date().toISOString(),
     });
     res.statusCode = 200;
@@ -23,14 +28,25 @@ const server = createServer((req, res) => {
   res.end(JSON.stringify({ ok: false, error: "not_found" }));
 });
 
+startReceiverWorker();
+
 server.listen(port, "0.0.0.0", () => {
   console.log(`[omni_chat] listening on :${port}`);
+  console.log(`[omni_chat] receiver worker started for queue ${RECEIVER_FLOW_QUEUE_NAME}`);
 });
 
-function shutdown(signal: string) {
+async function shutdown(signal: string) {
   console.log(`[omni_chat] shutting down by ${signal}`);
-  server.close(() => process.exit(0));
+  try {
+    await closeReceiverWorker();
+  } finally {
+    server.close(() => process.exit(0));
+  }
 }
 
-process.on("SIGINT", () => shutdown("SIGINT"));
-process.on("SIGTERM", () => shutdown("SIGTERM"));
+process.on("SIGINT", () => {
+  void shutdown("SIGINT");
+});
+process.on("SIGTERM", () => {
+  void shutdown("SIGTERM");
+});