feat: Route Evervault alias payment windows through per-window upstreams

Stainless-Generated-From: 4e55913f865989f35214ee3be84ba20f6775b4f4

Author: kernel-internal[bot]

src/kernel/types/browsers/browser_proxy_error_event.py

@@ -30,6 +30,7 @@ class Data(BrowserEventContext):
         "upstream_timeout",
         "upstream_dns_failure",
         "upstream_connect_failed",
+        "payment_window_expired",
         "unknown",
     ]
     """
@@ -39,8 +40,9 @@ class Data(BrowserEventContext):
     network_policy_denied, provider_blacklisted, provider_unreachable,
     provider_rejected, origin_tls_timeout, origin_response_incomplete,
     proxy_unavailable, restricted_route_unavailable, upstream_timeout,
-    upstream_dns_failure, upstream_connect_failed. A header value the browser image
-    does not recognize is reported as unknown, with the header value in raw_code.
+    upstream_dns_failure, upstream_connect_failed, payment_window_expired. A header
+    value the browser image does not recognize is reported as unknown, with the
+    header value in raw_code.
     """
 
     request_id: str