fix: correct response field mappings and add logout button

- SearchResult uses 'data' not 'items', 'total' not 'totalCount'
- ExecutionStats uses 'p99LatencyMs' not 'p99DurationMs'
- TimeseriesBucket uses 'time' not 'timestamp'
- Add user Dropdown with logout action to LayoutShell

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

ui/src/api/schema.d.ts

@@ -151,7 +151,7 @@ export interface components {
       totalCount: number;
       failedCount: number;
       avgDurationMs: number;
-      p99DurationMs: number;
+      p99LatencyMs: number;
       activeCount: number;
       totalToday: number;
       prevTotalCount: number;
@@ -163,7 +163,7 @@ export interface components {
       buckets: components['schemas']['TimeseriesBucket'][];
     };
     TimeseriesBucket: {
-      timestamp: string;
+      time: string;
       totalCount: number;
       failedCount: number;
       avgDurationMs: number;
@@ -171,8 +171,10 @@ export interface components {
       activeCount: number;
     };
     SearchResultExecutionSummary: {
-      items: components['schemas']['ExecutionSummary'][];
-      totalCount: number;
+      data: components['schemas']['ExecutionSummary'][];
+      total: number;
+      offset: number;
+      limit: number;
     };
     UserInfo: {
       userId: string;
@@ -228,7 +230,7 @@ export interface components {
       exchangeCount: number;
       successRate: number;
       avgDurationMs: number;
-      p99DurationMs: number;
+      p99LatencyMs: number;
       errorRate: number;
       throughputPerSec: number;
       sparkline: number[];

ui/src/components/LayoutShell.tsx

@@ -1,5 +1,5 @@
 import { Outlet, useNavigate, useLocation } from 'react-router';
-import { AppShell, Sidebar, TopBar, CommandPalette, CommandPaletteProvider, GlobalFilterProvider, useCommandPalette } from '@cameleer/design-system';
+import { AppShell, Sidebar, TopBar, CommandPalette, CommandPaletteProvider, GlobalFilterProvider, useCommandPalette, Dropdown, Avatar } from '@cameleer/design-system';
 import { useRouteCatalog } from '../api/queries/catalog';
 import { useAuthStore } from '../auth/auth-store';
 import { useMemo, useCallback } from 'react';
@@ -9,7 +9,7 @@ function LayoutContent() {
   const navigate = useNavigate();
   const location = useLocation();
   const { data: catalog } = useRouteCatalog();
-  const { username, roles } = useAuthStore();
+  const { username, roles, logout } = useAuthStore();
   const { open: paletteOpen, setOpen: setPaletteOpen } = useCommandPalette();
 
   const sidebarApps: SidebarApp[] = useMemo(() => {
@@ -56,10 +56,22 @@ function LayoutContent() {
         />
       }
     >
-      <TopBar
-        breadcrumb={breadcrumb}
-        user={username ? { name: username } : undefined}
-      />
+      <div style={{ display: 'flex', alignItems: 'center' }}>
+        <TopBar
+          breadcrumb={breadcrumb}
+          user={username ? { name: username } : undefined}
+        />
+        {username && (
+          <Dropdown
+            trigger={<Avatar name={username} size="sm" />}
+            items={[
+              { label: `Signed in as ${username}`, disabled: true },
+              { divider: true, label: '' },
+              { label: 'Logout', onClick: () => { logout(); navigate('/login'); } },
+            ]}
+          />
+        )}
+      </div>
       <CommandPalette
         open={paletteOpen}
         onClose={() => setPaletteOpen(false)}

ui/src/pages/Dashboard/Dashboard.tsx

@@ -33,7 +33,7 @@ export default function Dashboard() {
   const { data: snapshot } = useProcessorSnapshot(selectedId, processorIdx);
 
   const rows: Row[] = useMemo(() =>
-    (searchResult?.items || []).map((e: ExecutionSummary) => ({ ...e, id: e.executionId })),
+    (searchResult?.data || []).map((e: ExecutionSummary) => ({ ...e, id: e.executionId })),
     [searchResult],
   );
 
@@ -89,7 +89,7 @@ export default function Dashboard() {
         <StatCard label="Total Exchanges" value={stats?.totalCount ?? 0} sparkline={sparklineData} />
         <StatCard label="Failed" value={stats?.failedCount ?? 0} accent="error" />
         <StatCard label="Avg Duration" value={`${stats?.avgDurationMs ?? 0}ms`} />
-        <StatCard label="P99 Duration" value={`${stats?.p99DurationMs ?? 0}ms`} accent="warning" />
+        <StatCard label="P99 Duration" value={`${stats?.p99LatencyMs ?? 0}ms`} accent="warning" />
         <StatCard label="Active" value={stats?.activeCount ?? 0} accent="running" />
       </div>
 

ui/src/pages/Routes/RoutesMetrics.tsx

@@ -81,7 +81,7 @@ export default function RoutesMetrics() {
       <div style={{ display: 'flex', gap: '1rem', marginBottom: '1.5rem', flexWrap: 'wrap' }}>
         <StatCard label="Total Throughput" value={stats?.totalCount ?? 0} sparkline={sparklineData} />
         <StatCard label="Error Rate" value={stats?.totalCount ? `${(((stats.failedCount ?? 0) / stats.totalCount) * 100).toFixed(1)}%` : '0%'} accent="error" />
-        <StatCard label="P99 Latency" value={`${stats?.p99DurationMs ?? 0}ms`} accent="warning" />
+        <StatCard label="P99 Latency" value={`${stats?.p99LatencyMs ?? 0}ms`} accent="warning" />
         <StatCard label="Success Rate" value={stats?.totalCount ? `${(((stats.totalCount - (stats.failedCount ?? 0)) / stats.totalCount) * 100).toFixed(1)}%` : '100%'} accent="success" />
       </div>