Add OIDC logout, fix OpenAPI schema types, expose end_session_endpoint

Backend:
- Expose end_session_endpoint from OIDC provider metadata in /auth/oidc/config
- Add getEndSessionEndpoint() to OidcTokenExchanger

Frontend:
- On OIDC logout, redirect to provider's end_session_endpoint to clear SSO session
- Strip /api/v1 prefix from OpenAPI paths to match client baseUrl convention
- Add schema-types.ts with convenience type re-exports from generated schema
- Fix all type imports to use schema-types instead of raw generated schema
- Fix optional field access (processors, children, duration) with proper typing
- Fix AgentInstance.state → status field name

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

ui/src/pages/executions/ExchangeDetail.tsx

@@ -1,5 +1,5 @@
 import { useProcessorSnapshot } from '../../api/queries/executions';
-import type { ExecutionSummary } from '../../api/schema';
+import type { ExecutionSummary } from '../../api/schema-types';
 import styles from './ExchangeDetail.module.css';
 
 interface ExchangeDetailProps {

ui/src/pages/executions/ProcessorTree.tsx

@@ -1,5 +1,5 @@
 import { useExecutionDetail } from '../../api/queries/executions';
-import type { ProcessorNode as ProcessorNodeType } from '../../api/schema';
+import type { ProcessorNode as ProcessorNodeType } from '../../api/schema-types';
 import styles from './ProcessorTree.module.css';
 
 const ICON_MAP: Record<string, { label: string; className: string }> = {
@@ -35,7 +35,7 @@ export function ProcessorTree({ executionId }: { executionId: string }) {
   return (
     <div className={styles.tree}>
       <h4 className={styles.title}>Processor Execution Tree</h4>
-      {data.processors.map((proc, i) => (
+      {(data.processors as ProcessorNodeType[])?.map((proc, i) => (
         <ProcessorNodeView key={proc.processorId ?? i} node={proc} />
       ))}
     </div>
@@ -57,7 +57,7 @@ function ProcessorNodeView({ node }: { node: ProcessorNodeType }) {
           <span className={styles.procDuration}>{node.durationMs}ms</span>
         </div>
       </div>
-      {node.children.length > 0 && (
+      {node.children && node.children.length > 0 && (
         <div className={styles.nested}>
           {node.children.map((child, i) => (
             <ProcessorNodeView key={child.processorId ?? i} node={child} />

ui/src/pages/executions/ResultsTable.tsx

@@ -1,5 +1,5 @@
 import { useState, useMemo } from 'react';
-import type { ExecutionSummary } from '../../api/schema';
+import type { ExecutionSummary } from '../../api/schema-types';
 import { StatusPill } from '../../components/shared/StatusPill';
 import { DurationBar } from '../../components/shared/DurationBar';
 import { AppBadge } from '../../components/shared/AppBadge';

ui/src/pages/executions/SearchFilters.tsx

@@ -7,7 +7,7 @@ import { ScopeTabs } from '../../components/command-palette/ScopeTabs';
 import { ResultsList } from '../../components/command-palette/ResultsList';
 import { PaletteFooter } from '../../components/command-palette/PaletteFooter';
 import { FilterChip } from '../../components/shared/FilterChip';
-import type { ExecutionSummary, AgentInstance } from '../../api/schema';
+import type { ExecutionSummary, AgentInstance } from '../../api/schema-types';
 import styles from './SearchFilters.module.css';
 
 export function SearchFilters() {

ui/src/pages/executions/use-execution-search.ts

@@ -1,5 +1,5 @@
 import { create } from 'zustand';
-import type { SearchRequest } from '../../api/schema';
+import type { SearchRequest } from '../../api/schema-types';
 
 function todayMidnight(): string {
   const d = new Date();
@@ -94,8 +94,8 @@ export const useExecutionSearch = create<ExecutionSearchState>((set, get) => ({
       status: statusStr ?? undefined,
       timeFrom: s.timeFrom ? new Date(s.timeFrom).toISOString() : undefined,
       timeTo: s.timeTo ? new Date(s.timeTo).toISOString() : undefined,
-      durationMin: s.durationMin,
-      durationMax: s.durationMax,
+      durationMin: s.durationMin ?? undefined,
+      durationMax: s.durationMax ?? undefined,
       text: s.text || undefined,
       routeId: s.routeId || undefined,
       agentId: s.agentId || undefined,