fix: harden heartbeat and adapter runtime workflows

server/src/__tests__/telemetry-client-flush.test.ts

@@ -76,6 +76,21 @@ describe("TelemetryClient periodic flush", () => {
     expect(fetch).not.toHaveBeenCalled();
   });
 
+  it("falls back to the api gateway ingest url when the default hostname fails", async () => {
+    vi.mocked(fetch)
+      .mockRejectedValueOnce(new TypeError("getaddrinfo ENOTFOUND telemetry.paperclip.ing"))
+      .mockResolvedValueOnce({ ok: true });
+
+    const client = makeClient({ endpoint: undefined });
+    client.track("install.started");
+
+    await client.flush();
+
+    expect(fetch).toHaveBeenCalledTimes(2);
+    expect(vi.mocked(fetch).mock.calls[0]?.[0]).toBe("https://telemetry.paperclip.ing/ingest");
+    expect(vi.mocked(fetch).mock.calls[1]?.[0]).toBe("https://rusqrrg391.execute-api.us-east-1.amazonaws.com/ingest");
+  });
+
   it("startPeriodicFlush is idempotent", () => {
     const client = makeClient();
     client.startPeriodicFlush(1000);