Show admin save feedback and preserve custom failover actions

apps/web/src/pages/AdminPage.tsx

@@ -18,7 +18,7 @@ import type {
 import type { ConsoleData, StatItem } from '../app-state';
 import { EntityTable } from '../components/EntityTable';
 import { StatGrid } from '../components/StatGrid';
-import { Badge, Card, CardContent, CardHeader, CardTitle, Tabs } from '../components/ui';
+import { Badge, Card, CardContent, CardHeader, CardTitle, ScreenMessage, Tabs } from '../components/ui';
 import type { AdminSection, LoadState, PlatformWithModelsInput } from '../types';
 import { AccessRulesPanel } from './admin/AccessRulesPanel';
 import { AuditLogsPanel } from './admin/AuditLogsPanel';
@@ -76,10 +76,16 @@ export function AdminPage(props: {
   onSaveUser: (input: GatewayUserUpsertRequest, userId?: string) => Promise<void>;
   onSetUserWalletBalance: (userId: string, input: WalletBalanceAdjustmentRequest) => Promise<void>;
   onSaveUserGroup: (input: UserGroupUpsertRequest, groupId?: string) => Promise<void>;
+  onClearOperationMessage: () => void;
   onSectionChange: (value: AdminSection) => void;
 }) {
   return (
     <div className="pageStack">
+      <ScreenMessage
+        message={props.operationMessage}
+        variant={props.state === 'error' ? 'error' : 'success'}
+        onClose={props.onClearOperationMessage}
+      />
       <div className="subPageLayout">
         <Tabs className="sideTabs" value={props.section} tabs={tabs} onValueChange={props.onSectionChange} />
         <div className="subPageContent">