feat: Expose browser sessions on auth timeline events

Author: stainless-app[bot]

.stats.yml

@@ -1,4 +1,4 @@
 configured_endpoints: 127
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/kernel/kernel-a7f011596b06b94e4be1999585d4675992a5c08e13bc3943764971b78412f020.yml
-openapi_spec_hash: 6c6b46659fd5220d57d5ef806986154c
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/kernel/kernel-1dffe057847b596dd311ce4b6e0e8036126dce3e97d390636c9c8e6d2f4823e1.yml
+openapi_spec_hash: c06336c199ee64c222ba3122deae9463
 config_hash: 77ee715aa17061166f9a02b264a21b8d

src/kernel/types/auth/managed_auth_timeline_event.py

@@ -35,6 +35,9 @@ class ManagedAuthTimelineEvent(BaseModel):
     session-validity check.
     """
 
+    browser_session_id: Optional[str] = None
+    """Browser session that produced the event, if one was created."""
+
     error_code: Optional[str] = None
     """Machine-readable error code. Present when a login/reauth event failed."""