fix: bound signal/imessage transport readiness waits

Co-authored-by: Szpadel <1857251+Szpadel@users.noreply.github.com>

src/infra/transport-ready.test.ts

@@ -0,0 +1,40 @@
+import { describe, expect, it, vi } from "vitest";
+
+import { waitForTransportReady } from "./transport-ready.js";
+
+describe("waitForTransportReady", () => {
+  it("returns when the check succeeds and logs after the delay", async () => {
+    const runtime = { log: vi.fn(), error: vi.fn(), exit: vi.fn() };
+    let attempts = 0;
+    await waitForTransportReady({
+      label: "test transport",
+      timeoutMs: 500,
+      logAfterMs: 100,
+      logIntervalMs: 100,
+      pollIntervalMs: 50,
+      runtime,
+      check: async () => {
+        attempts += 1;
+        if (attempts > 3) return { ok: true };
+        return { ok: false, error: "not ready" };
+      },
+    });
+    expect(runtime.error).toHaveBeenCalled();
+  });
+
+  it("throws after the timeout", async () => {
+    const runtime = { log: vi.fn(), error: vi.fn(), exit: vi.fn() };
+    await expect(
+      waitForTransportReady({
+        label: "test transport",
+        timeoutMs: 200,
+        logAfterMs: 0,
+        logIntervalMs: 100,
+        pollIntervalMs: 50,
+        runtime,
+        check: async () => ({ ok: false, error: "still down" }),
+      }),
+    ).rejects.toThrow("test transport not ready");
+    expect(runtime.error).toHaveBeenCalled();
+  });
+});