checkpoint

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checkpoint.json

@@ -1,34 +1,59 @@
 {
-  "timestamp": "2026-03-19T13:47:55.310066Z",
-  "current_node": "setup",
+  "timestamp": "2026-03-19T13:48:02.028647Z",
+  "current_node": "work",
   "completed_nodes": [
     "start",
-    "setup"
+    "setup",
+    "work"
   ],
   "node_retries": {
     "setup": 1,
+    "work": 1,
     "start": 1
   },
   "context_values": {
     "graph.rankdir": "LR",
     "outcome": "success",
     "command.stderr": "",
-    "current_node": "setup",
+    "thread.setup.current_node": "work",
+    "internal.retry_count.work": 1,
+    "last_response": "Perfect! The file `/tmp/scenario_flag.txt` contains:\n\n```\nSCENARIO_FLAG_42\n```\n\nThis confirms that the sandbox filesystem is working correctly. The setup stage successfully wrote the file, and we were",
+    "current_node": "work",
     "internal.node_visit_count": 1,
+    "last_stage": "work",
+    "response.work": "Perfect! The file `/tmp/scenario_flag.txt` contains:\n\n```\nSCENARIO_FLAG_42\n```\n\nThis confirms that the sandbox filesystem is working correctly. The setup stage successfully wrote the file, and we were able to read it from the current context, verifying that the filesystem is shared and persistent across operations.",
     "failure_signature": "",
     "failure_class": "",
-    "internal.thread_id": "start",
+    "internal.thread_id": "setup",
     "internal.fidelity": "compact",
     "command.output": "",
     "internal.retry_count.start": 1,
     "graph.goal": "Verify sandbox filesystem is shared across command and agent nodes",
     "internal.retry_count.setup": 1,
-    "current.preamble": "Goal: Verify sandbox filesystem is shared across command and agent nodes\n",
+    "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",
     "thread.start.current_node": "setup",
     "internal.run_id": "01KM35MF4XB59ENCXAEA5M6QXV"
   },
   "logs": [],
   "node_outcomes": {
+    "work": {
+      "status": "success",
+      "context_updates": {
+        "response.work": "Perfect! The file `/tmp/scenario_flag.txt` contains:\n\n```\nSCENARIO_FLAG_42\n```\n\nThis confirms that the sandbox filesystem is working correctly. The setup stage successfully wrote the file, and we were able to read it from the current context, verifying that the filesystem is shared and persistent across operations.",
+        "last_stage": "work",
+        "last_response": "Perfect! The file `/tmp/scenario_flag.txt` contains:\n\n```\nSCENARIO_FLAG_42\n```\n\nThis confirms that the sandbox filesystem is working correctly. The setup stage successfully wrote the file, and we were"
+      },
+      "notes": "Stage completed: work",
+      "usage": {
+        "model": "claude-haiku-4-5",
+        "input_tokens": 507,
+        "output_tokens": 148,
+        "cache_read_tokens": 4686,
+        "cache_write_tokens": 5091,
+        "cost": 0.0009976
+      },
+      "duration_ms": 4155
+    },
     "start": {
       "status": "success",
       "duration_ms": 0
@@ -43,9 +68,10 @@
       "duration_ms": 32
     }
   },
-  "next_node_id": "work",
+  "next_node_id": "verify",
   "node_visits": {
     "start": 1,
+    "work": 1,
     "setup": 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
+```
+
+This confirms that the sandbox filesystem is working correctly. The setup stage successfully wrote the file, and we were able to read it from the current context, verifying that the filesystem is shared and persistent across operations.

nodes/work/status.json

@@ -0,0 +1,6 @@
+{
+  "status": "success",
+  "notes": "Stage completed: work",
+  "failure_reason": null,
+  "timestamp": "2026-03-19T13:48:02.028401+00:00"
+}