feat(scraper): worker-only entry for horizontal scaling (Raspberry Pi nodes)

packages/scraper/src/worker-only.ts

@@ -0,0 +1,21 @@
+/**
+ * Worker-only entry — processes pg-boss jobs WITHOUT running the scheduler/cron
+ * or the startup zombie-cleanup (those belong to the single primary daemon).
+ * For horizontal scaling across extra machines (Raspberry Pis).
+ */
+import { createScheduler, registerWorkers } from "./scheduler";
+
+async function runWorkerOnly(): Promise<void> {
+  console.log("=== TIP Scraper WORKER-ONLY (no scheduler, no cron) ===\n");
+  process.on("unhandledRejection", (reason) => {
+    const msg = reason instanceof Error ? reason.message : String(reason);
+    if ((msg.includes("ENOENT") || msg.includes("no such file")) && msg.includes("request_queues")) return;
+    console.error("[worker] Unhandled rejection:", reason);
+    process.exit(1);
+  });
+  const boss = await createScheduler();
+  await registerWorkers(boss);
+  console.log("Worker node ready — pulling jobs from shared pg-boss queues.\n");
+}
+
+runWorkerOnly().catch((err) => { console.error("Fatal:", err); process.exit(1); });