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/resources/auth/connections.ts

@@ -250,6 +250,11 @@ export interface ManagedAuth {
    */
   discovered_fields?: Array<ManagedAuth.DiscoveredField> | null;
 
+  /**
+   * Machine-readable error code (present when flow_status=failed)
+   */
+  error_code?: string | null;
+
   /**
    * Error message (present when flow_status=failed)
    */
@@ -648,6 +653,11 @@ export namespace ConnectionFollowResponse {
      */
     discovered_fields?: Array<ManagedAuthStateEvent.DiscoveredField>;
 
+    /**
+     * Machine-readable error code (present when flow_status=FAILED).
+     */
+    error_code?: string;
+
     /**
      * Error message (present when flow_status=FAILED).
      */