Show a connected account's login, not a key ending, on tool cards

GitHub connections made with a token are named after the GitHub login;
the card called that login a key ending.

frontend/src/settings/Tools.test.tsx

@@ -458,6 +458,42 @@ describe('Tools page connections', () => {
     );
   });
 
+  it('names an account by its login, not as a key ending', async () => {
+    getUserTools.mockImplementation(() =>
+      jsonResponse({
+        tools: [
+          ...TOOLS,
+          {
+            id: 'gh',
+            name: 'mcp_tool',
+            displayName: 'GitHub',
+            customName: '',
+            description: '',
+            status: true,
+            config: {},
+            actions: [],
+            connection_id: 'conn-gh',
+          },
+        ],
+      }),
+    );
+    reduxState.connectors.connections = [
+      ...reduxState.connectors.connections,
+      {
+        id: 'conn-gh',
+        connector_key: 'github',
+        name: 'GitHub',
+        icon: 'github',
+        status: 'connected',
+        auth_kind: 'api_key',
+        account_label: 'dartpain',
+      },
+    ];
+    await renderTools(root);
+    const footer = card('GitHub').querySelector('[data-slot="card-footer"]')!;
+    expect(footer.textContent).toBe('dartpain');
+  });
+
   it('says a connected tool needs signing in again, with no raw MCP reconnect', async () => {
     await renderTools(root);
     expect(card('Linear').textContent).toContain(

frontend/src/settings/Tools.tsx

@@ -29,7 +29,7 @@ import {
   selectConnections,
   selectConnectorCatalog,
 } from '../connectors/connectorsSlice';
-import { connectorDescription } from '../connectors/i18n';
+import { connectorDescription, isKeyHint } from '../connectors/i18n';
 import type { Connection } from '../connectors/types';
 import { useSignInAgain } from '../connectors/SignInAgainNotice';
 import { toolServiceOf } from '../connectors/toolService';
@@ -334,7 +334,8 @@ export default function Tools() {
   const accountLine = (connection: Connection) =>
     connection.account_name
       ? connection.account_name
-      : connection.auth_kind === 'api_key'
+      : connection.auth_kind === 'api_key' &&
+          isKeyHint(connection.account_label)
         ? t('settings.connectors.detail.keyEnding', {
             hint: connection.account_label,
             interpolation: { escapeValue: false },