fix(studio): refresh agents table immediately after creating an agent

web/packages/studio/src/routes/agents/AgentsListRoute/index.spec.tsx

@@ -104,6 +104,45 @@ describe('AgentsListRoute', () => {
     expect(config.llms.llm.model_name).toBe('nvidia-nemotron-nano-9b-v2');
   });
 
+  it('refetches the agents list after creating so the new agent appears immediately', async () => {
+    const user = userEvent.setup();
+    mockModels(['nvidia-nemotron-nano-9b-v2']);
+    // Returning user → stays on the list, so the table query is still mounted.
+    markExampleAgentIntroShown();
+
+    let agentListFetches = 0;
+    server.use(
+      http.get(CREATE_AGENT_URL, () => {
+        agentListFetches += 1;
+        return HttpResponse.json({
+          data: [],
+          pagination: {
+            page: 1,
+            page_size: 50,
+            current_page_size: 0,
+            total_pages: 1,
+            total_results: 0,
+          },
+          sort: '-created_at',
+          filter: null,
+        });
+      }),
+      http.post(CREATE_AGENT_URL, async ({ request, params }) => {
+        const body = (await request.json()) as { name?: string };
+        return HttpResponse.json({ ...body, workspace: params['workspace'] });
+      })
+    );
+
+    renderList();
+    await waitFor(() => expect(agentListFetches).toBeGreaterThan(0));
+    const before = agentListFetches;
+
+    await clickCreateOnceReady(user);
+
+    // Create invalidates the list, triggering an immediate refetch (not the 15s poll).
+    await waitFor(() => expect(agentListFetches).toBeGreaterThan(before));
+  });
+
   it('does not reopen the sidepanel/intro for a later example agent in the same session', async () => {
     const user = userEvent.setup();
     mockModels(['nvidia-nemotron-nano-9b-v2']);

web/packages/studio/src/routes/agents/AgentsListRoute/index.tsx

@@ -3,7 +3,7 @@
 
 import { LoadingButton } from '@nemo/common/src/components/LoadingButton';
 import { useToast } from '@nemo/common/src/providers/toast/useToast';
-import { useAgentsCreateAgent } from '@nemo/sdk/generated/agents/api';
+import { getAgentsListAgentsQueryKey, useAgentsCreateAgent } from '@nemo/sdk/generated/agents/api';
 import type { Agent } from '@nemo/sdk/generated/agents/schema/Agent';
 import { useModelsListModels } from '@nemo/sdk/generated/platform/api';
 import { PageHeader, Stack } from '@nvidia/foundations-react-core';
@@ -26,6 +26,7 @@ import { useBreadcrumbs } from '@studio/providers/breadcrumbs/useBreadcrumbs';
 import { CreateDeploymentModal } from '@studio/routes/agents/AgentDeploymentsListRoute/CreateDeploymentModal';
 import { getAgentDetailRoute, getAgentsListRoute } from '@studio/routes/utils';
 import { pickDefaultModelName } from '@studio/util/buildSuggestedModelOptions';
+import { useQueryClient } from '@tanstack/react-query';
 import { type FC, useCallback, useEffect, useState } from 'react';
 import { useNavigate, useParams, useSearchParams } from 'react-router-dom';
 
@@ -77,6 +78,7 @@ export const AgentsListRoute: FC = () => {
   const workspace = useWorkspaceFromPath();
   const navigate = useNavigate();
   const toast = useToast();
+  const queryClient = useQueryClient();
   const [searchParams, setSearchParams] = useSearchParams();
   const [createDeploymentAgent, setCreateDeploymentAgent] = useState<string | null>(null);
   const { [ROUTE_PARAMS.agentName]: agentNameParam } = useParams<{ agentName?: string }>();
@@ -99,6 +101,8 @@ export const AgentsListRoute: FC = () => {
     mutation: {
       onSuccess: (agent) => {
         toast.success(`Agent "${agent.name}" created`);
+        // Refresh the table immediately instead of waiting for its poll interval.
+        void queryClient.invalidateQueries({ queryKey: getAgentsListAgentsQueryKey(workspace) });
         const priorExampleAgentExists = loadedAgents.some(
           (existing) =>
             !!existing.name && existing.name !== agent.name && isExampleAgentName(existing.name)