feat: add attributes fields to schema.d.ts types

Add optional `attributes?: Record<string, string>` to ExecutionSummary,
ExecutionDetail, and ProcessorNode in the manually-maintained OpenAPI
schema to reflect the new backend attributes support.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

ui/src/api/schema.d.ts

@@ -1103,6 +1103,7 @@ export interface components {
             correlationId: string;
             errorMessage: string;
             diagramContentHash: string;
+            attributes?: Record<string, string>;
         };
         SearchResultExecutionSummary: {
             data: components["schemas"]["ExecutionSummary"][];
@@ -1333,6 +1334,7 @@ export interface components {
             outputBody?: string;
             inputHeaders?: string;
             outputHeaders?: string;
+            attributes?: Record<string, string>;
         };
         ProcessorNode: {
             processorId: string;
@@ -1348,6 +1350,7 @@ export interface components {
             errorMessage: string;
             errorStackTrace: string;
             children: components["schemas"]["ProcessorNode"][];
+            attributes?: Record<string, string>;
         };
         DiagramLayout: {
             /** Format: double */