Define a custom user-agent for wallabag

src/SiteConfig/LoginFormAuthenticator.php

@@ -14,6 +14,7 @@ class LoginFormAuthenticator
     public function __construct(
         private readonly HttpBrowser $browser,
         AuthenticatorProvider $authenticatorProvider,
+        private readonly string $defaultUserAgent,
     ) {
         $this->expressionLanguage = new ExpressionLanguage(null, [$authenticatorProvider]);
     }
@@ -84,6 +85,10 @@ class LoginFormAuthenticator
             $headers["HTTP_$headerName"] = $headerValue;
         }
 
+        if (empty($headers['HTTP_user-agent'])) {
+            $headers['HTTP_user-agent'] = $this->defaultUserAgent;
+        }
+
         return $headers;
     }