chore: import upstream snapshot with attribution

tests/unit/cli-update-notifier.test.ts

@@ -0,0 +1,34 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+
+test("omniroute.mjs pode ser importado sem erro", async () => {
+  // Ensure the entry point module is syntactically valid by importing the submodule
+  // it uses (update-notifier) rather than executing the full CLI entrypoint.
+  const mod = await import("update-notifier");
+  assert.equal(typeof mod.default, "function");
+});
+
+test("update-notifier aceita pkg shape válido", async () => {
+  const updateNotifier = (await import("update-notifier")).default;
+  const notifier = updateNotifier({
+    pkg: { name: "omniroute", version: "0.0.1" },
+    updateCheckInterval: 0,
+  });
+  assert.ok(notifier !== null && typeof notifier === "object");
+  assert.equal(typeof notifier.notify, "function");
+});
+
+test("update-notifier não lança com pkg real", async () => {
+  const { readFileSync } = await import("node:fs");
+  const { join, dirname } = await import("node:path");
+  const { fileURLToPath } = await import("node:url");
+  const root = join(dirname(fileURLToPath(import.meta.url)), "..", "..");
+  const pkg = JSON.parse(readFileSync(join(root, "package.json"), "utf8"));
+  const updateNotifier = (await import("update-notifier")).default;
+  assert.doesNotThrow(() =>
+    updateNotifier({
+      pkg: { name: pkg.name, version: pkg.version },
+      updateCheckInterval: 24 * 60 * 60 * 1000,
+    })
+  );
+});