Disable timer heartbeats by default for new agents

ui/src/components/OnboardingWizard.tsx

@@ -33,6 +33,7 @@ import {
   buildOnboardingProjectPayload,
   selectDefaultCompanyGoalId
 } from "../lib/onboarding-launch";
+import { buildNewAgentRuntimeConfig } from "../lib/new-agent-runtime-config";
 import {
   DEFAULT_CODEX_LOCAL_BYPASS_APPROVALS_AND_SANDBOX,
   DEFAULT_CODEX_LOCAL_MODEL
@@ -460,15 +461,7 @@ export function OnboardingWizard() {
         role: "ceo",
         adapterType,
         adapterConfig: buildAdapterConfig(),
-        runtimeConfig: {
-          heartbeat: {
-            enabled: true,
-            intervalSec: 3600,
-            wakeOnDemand: true,
-            cooldownSec: 10,
-            maxConcurrentRuns: 1
-          }
-        }
+        runtimeConfig: buildNewAgentRuntimeConfig()
       });
       setCreatedAgentId(agent.id);
       queryClient.invalidateQueries({