fix(test): guard dev smoke cli args

test/scripts/ios-node-e2e.test.ts

@@ -216,7 +216,46 @@ function runScript(url: string, extraArgs: readonly string[] = []): Promise<Scri
   });
 }
 
+function runScriptRaw(args: readonly string[]): Promise<ScriptResult> {
+  return new Promise((resolve) => {
+    const child = spawn(
+      process.execPath,
+      ["--import", "tsx", "scripts/dev/ios-node-e2e.ts", ...args],
+      {
+        stdio: "pipe",
+      },
+    );
+    const stdout = createBoundedChildOutput();
+    const stderr = createBoundedChildOutput();
+    child.stdout.on("data", (chunk) => {
+      stdout.append(chunk);
+    });
+    child.stderr.on("data", (chunk) => {
+      stderr.append(chunk);
+    });
+    child.on("close", (status, signal) => {
+      resolve({ status, signal, stdout: stdout.text(), stderr: stderr.text(), timedOut: false });
+    });
+  });
+}
+
 describe("ios-node-e2e", () => {
+  it("prints CLI help without connecting", async () => {
+    const result = await runScriptRaw(["--help"]);
+
+    expect(result).toMatchObject({ signal: null, status: 0, timedOut: false });
+    expect(result.stdout).toContain("Usage: bun scripts/dev/ios-node-e2e.ts");
+    expect(result.stderr).toBe("");
+  });
+
+  it("rejects unknown CLI args before connecting", async () => {
+    const result = await runScript("ws://127.0.0.1:9", ["--wat"]);
+
+    expect(result).toMatchObject({ signal: null, status: 1, timedOut: false });
+    expect(result.stderr.trim()).toBe("Unknown argument: --wat");
+    expect(result.stdout).toBe("");
+  });
+
   it("rejects malformed wait seconds before connecting", async () => {
     const result = await runScript("ws://127.0.0.1:9", ["--wait-seconds", "1e3"]);