feat: persist blocked executor jobs

services/orchestrator/runtime.mjs

@@ -3,6 +3,7 @@ import {
   CODE_RUN_SHADOW_WORKFLOW,
   createCodeRunShadowGraph,
 } from './code-run-shadow-graph.mjs';
+import { createExecutorGateway } from './executor-gateway.mjs';
 
 function graphConfig(runId) {
   return {
@@ -35,14 +36,22 @@ export function createLangGraphOrchestratorRuntime({
   checkpointKind = 'unknown',
   durable = false,
   checkpointProbe = null,
+  executorJobStore = null,
+  executorJobProbe = null,
 } = {}) {
-  const graph = createCodeRunShadowGraph({ checkpointer });
+  const executorGateway = createExecutorGateway({
+    ...(executorJobStore ? { store: executorJobStore } : {}),
+  });
+  const graph = createCodeRunShadowGraph({ checkpointer, executorGateway });
   const probe = typeof checkpointProbe === 'function'
     ? checkpointProbe
     : async () => {
         await checkpointer.getTuple(graphConfig('__orchestrator_readiness__'));
         return true;
       };
+  const probeExecutorJobs = typeof executorJobProbe === 'function'
+    ? executorJobProbe
+    : async () => true;
 
   async function getSnapshot(runId) {
     return graph.getState(graphConfig(runId));
@@ -63,6 +72,7 @@ export function createLangGraphOrchestratorRuntime({
         durable: Boolean(durable),
       },
       execution: 'observe-only',
+      executorGateway: executorGateway.status(),
     };
   }
 
@@ -122,7 +132,7 @@ export function createLangGraphOrchestratorRuntime({
     health,
 
     async ready() {
-      await probe();
+      await Promise.all([probe(), probeExecutorJobs()]);
       return {
         ...health(),
         ready: true,