feat: Add error_code field to ManagedAuthSession and related components

Author: stainless-app[bot]

.stats.yml

@@ -1,4 +1,4 @@
 configured_endpoints: 100
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/kernel%2Fkernel-82fd51be8dc9b6ad425425f9eb747dd337df494a030d03d37f101e2236c85548.yml
-openapi_spec_hash: ab396816e2b7da9938d42ec5a41cc8e1
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/kernel%2Fkernel-b7d469021adcd1493f74dad38746ffa3817dcf86a0a12561a88eb554824e3ffb.yml
+openapi_spec_hash: 4134c95bf3012dca38797ca56d62395b
 config_hash: 27c0ea01aeb797a1767af139851c5b66

src/kernel/types/auth/connection_follow_response.py

@@ -95,6 +95,9 @@ class ManagedAuthStateEvent(BaseModel):
     discovered_fields: Optional[List[ManagedAuthStateEventDiscoveredField]] = None
     """Fields awaiting input (present when flow_step=AWAITING_INPUT)."""
 
+    error_code: Optional[str] = None
+    """Machine-readable error code (present when flow_status=FAILED)."""
+
     error_message: Optional[str] = None
     """Error message (present when flow_status=FAILED)."""
 

src/kernel/types/auth/managed_auth.py

@@ -155,6 +155,9 @@ class ManagedAuth(BaseModel):
     discovered_fields: Optional[List[DiscoveredField]] = None
     """Fields awaiting input (present when flow_step=awaiting_input)"""
 
+    error_code: Optional[str] = None
+    """Machine-readable error code (present when flow_status=failed)"""
+
     error_message: Optional[str] = None
     """Error message (present when flow_status=failed)"""