Add market watch and match hub workflows

server/_core/fetch.test.ts

@@ -0,0 +1,29 @@
+import { afterEach, describe, expect, it, vi } from "vitest";
+import { fetchWithTimeout } from "./fetch";
+
+describe("fetchWithTimeout", () => {
+  afterEach(() => {
+    vi.restoreAllMocks();
+    vi.unstubAllGlobals();
+  });
+
+  it("retries timeout-like errors for allowed methods", async () => {
+    const fetchMock = vi.fn()
+      .mockRejectedValueOnce(new Error("Request timed out after 100ms"))
+      .mockResolvedValueOnce(new Response("ok", { status: 200 }));
+
+    vi.stubGlobal("fetch", fetchMock);
+
+    const response = await fetchWithTimeout("https://example.com", {
+      method: "POST",
+    }, {
+      timeoutMs: 100,
+      retries: 1,
+      retryMethods: ["POST"],
+      baseDelayMs: 1,
+    });
+
+    expect(response.ok).toBe(true);
+    expect(fetchMock).toHaveBeenCalledTimes(2);
+  });
+});