Function useToken

useToken(): string | null
Returns the current JWT access token from TokenContext. Must be used inside AuthWrapper.

Common uses: conditional rendering based on auth state, passing to custom fetch headers.

Returns string | null
The access token string, or null if not yet loaded or user is logged out.
Example
```
import { useToken } from "naystack/auth/client";

function Navbar() {
  const token = useToken();
  return <Link href={token ? "/dashboard" : "/login"}>{token ? "Dashboard" : "Log in"}</Link>;
}
```
Example: Using the token for custom API calls:
```
const token = useToken();
const response = await fetch("/api/custom", {
  headers: { Authorization: `Bearer ${token}` },
});
```
- Defined in auth/email/client.tsx:101