Upload 2 files

src/api.rs

@@ -60,8 +60,15 @@ pub struct APIClient {
 
 impl APIClient {
     pub fn new() -> Self {
-        let arl = env::var("ARL").expect("ARL environment variable required");
-        Self::new_with_arl(arl)
+        match env::var("ARL") {
+            Ok(arl) if !arl.trim().is_empty() => Self::new_with_arl(arl),
+            _ => Self {
+                client: Client::builder().build().unwrap(),
+                license_token: String::new(),
+                check_form: String::new(),
+                renew_instant: None,
+            },
+        }
     }
 
     pub fn new_with_arl(arl: String) -> Self {