Q88: a sign-in is saved only if a run can use and renew it

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

tests/integration/run-memory.test.ts

@@ -28,7 +28,7 @@ async function company(reply: (prompt: string) => AgentTurnResult) {
     return reply(prompt);
   };
   const connection = new DatabaseConnection(join(tmpdir(), `ac-memory-${randomUUID()}.db`));
-  const providers = new ProviderService(connection.db, providerAdapters, testVault, undefined, answeringModelCheck(turn));
+  const providers = new ProviderService(connection.db, providerAdapters, testVault, answeringModelCheck(turn));
   const onboarding = new OnboardingService({ db: connection.db, saveProviderCredential: (input) => providers.saveCredential(input) });
   const execution = new TaskExecutionService(connection.db, providers);
   let orgId = "";