checkpoint

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checkpoint.json

@@ -1,12 +1,14 @@
 {
-  "timestamp": "2026-03-19T13:41:01.172560Z",
-  "current_node": "setup",
+  "timestamp": "2026-03-19T13:41:07.636276Z",
+  "current_node": "work",
   "completed_nodes": [
     "start",
-    "setup"
+    "setup",
+    "work"
   ],
   "node_retries": {
     "start": 1,
+    "work": 1,
     "setup": 1
   },
   "context_values": {
@@ -15,8 +17,9 @@
     "failure_signature": "",
     "thread.start.current_node": "setup",
     "command.stderr": "",
-    "current.preamble": "Goal: Verify sandbox filesystem is shared across command and agent nodes\n",
-    "internal.thread_id": "start",
+    "current.preamble": "Goal: Verify sandbox filesystem is shared across command and agent nodes\n\n## Completed stages\n- **setup**: success\n  - Script: `echo SCENARIO_FLAG_42 > /tmp/scenario_flag.txt`\n  - Stdout: (empty)\n  - Stderr: (empty)\n",
+    "last_stage": "work",
+    "internal.thread_id": "setup",
     "graph.rankdir": "LR",
     "command.output": "",
     "internal.fidelity": "compact",
@@ -24,12 +27,34 @@
     "internal.retry_count.start": 1,
     "failure_class": "",
     "outcome": "success",
-    "current_node": "setup",
+    "current_node": "work",
+    "last_response": "Perfect! The file `/tmp/scenario_flag.txt` contains `SCENARIO_FLAG_42`, which confirms that the sandbox filesystem is indeed shared across command and agent nodes. The setup stage successfully created",
     "internal.node_visit_count": 1,
-    "internal.work_dir": "/private/var/folders/nm/bd2dwzy52t1ckn3tklsfmy1c0000gn/T/.tmpioA9a3/run/worktree"
+    "internal.work_dir": "/private/var/folders/nm/bd2dwzy52t1ckn3tklsfmy1c0000gn/T/.tmpioA9a3/run/worktree",
+    "thread.setup.current_node": "work",
+    "internal.retry_count.work": 1,
+    "response.work": "Perfect! The file `/tmp/scenario_flag.txt` contains `SCENARIO_FLAG_42`, which confirms that the sandbox filesystem is indeed shared across command and agent nodes. The setup stage successfully created the file with that content, and we were able to read it, demonstrating that:\n\n1. ✅ The file created in the setup stage persists in the filesystem\n2. ✅ The file is readable from subsequent nodes\n3. ✅ The sandbox filesystem is properly shared across different node types\n\nThis validates that the workflow's sandbox environment maintains state across execution stages."
   },
   "logs": [],
   "node_outcomes": {
+    "work": {
+      "status": "success",
+      "context_updates": {
+        "last_response": "Perfect! The file `/tmp/scenario_flag.txt` contains `SCENARIO_FLAG_42`, which confirms that the sandbox filesystem is indeed shared across command and agent nodes. The setup stage successfully created",
+        "response.work": "Perfect! The file `/tmp/scenario_flag.txt` contains `SCENARIO_FLAG_42`, which confirms that the sandbox filesystem is indeed shared across command and agent nodes. The setup stage successfully created the file with that content, and we were able to read it, demonstrating that:\n\n1. ✅ The file created in the setup stage persists in the filesystem\n2. ✅ The file is readable from subsequent nodes\n3. ✅ The sandbox filesystem is properly shared across different node types\n\nThis validates that the workflow's sandbox environment maintains state across execution stages.",
+        "last_stage": "work"
+      },
+      "notes": "Stage completed: work",
+      "usage": {
+        "model": "claude-haiku-4-5",
+        "input_tokens": 507,
+        "output_tokens": 204,
+        "cache_read_tokens": 4730,
+        "cache_write_tokens": 5135,
+        "cost": 0.0012216
+      },
+      "duration_ms": 4120
+    },
     "start": {
       "status": "success",
       "duration_ms": 0
@@ -44,9 +69,10 @@
       "duration_ms": 2
     }
   },
-  "next_node_id": "work",
+  "next_node_id": "verify",
   "node_visits": {
     "setup": 1,
+    "work": 1,
     "start": 1
   }
 }

nodes/work/prompt.md

@@ -0,0 +1,10 @@
+Goal: Verify sandbox filesystem is shared across command and agent nodes
+
+## Completed stages
+- **setup**: success
+  - Script: `echo SCENARIO_FLAG_42 > /tmp/scenario_flag.txt`
+  - Stdout: (empty)
+  - Stderr: (empty)
+
+
+Read the file /tmp/scenario_flag.txt and tell me what it contains.

nodes/work/provider_used.json

@@ -0,0 +1,5 @@
+{
+  "mode": "agent",
+  "provider": "anthropic",
+  "model": "claude-haiku-4-5"
+}

nodes/work/response.md

@@ -0,0 +1,7 @@
+Perfect! The file `/tmp/scenario_flag.txt` contains `SCENARIO_FLAG_42`, which confirms that the sandbox filesystem is indeed shared across command and agent nodes. The setup stage successfully created the file with that content, and we were able to read it, demonstrating that:
+
+1. ✅ The file created in the setup stage persists in the filesystem
+2. ✅ The file is readable from subsequent nodes
+3. ✅ The sandbox filesystem is properly shared across different node types
+
+This validates that the workflow's sandbox environment maintains state across execution stages.

nodes/work/status.json

@@ -0,0 +1,6 @@
+{
+  "status": "success",
+  "notes": "Stage completed: work",
+  "failure_reason": null,
+  "timestamp": "2026-03-19T13:41:07.635959+00:00"
+}