checkpoint

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checkpoint.json

@@ -1,34 +1,59 @@
 {
-  "timestamp": "2026-03-19T13:41:08.793259Z",
-  "current_node": "setup",
+  "timestamp": "2026-03-19T13:41:18.206818Z",
+  "current_node": "work",
   "completed_nodes": [
     "start",
-    "setup"
+    "setup",
+    "work"
   ],
   "node_retries": {
+    "work": 1,
     "setup": 1,
     "start": 1
   },
   "context_values": {
     "thread.start.current_node": "setup",
+    "internal.retry_count.work": 1,
     "internal.node_visit_count": 1,
+    "thread.setup.current_node": "work",
     "graph.rankdir": "LR",
-    "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",
     "graph.goal": "Verify sandbox filesystem is shared across command and agent nodes",
     "internal.fidelity": "compact",
     "command.output": "",
+    "last_stage": "work",
     "command.stderr": "",
-    "internal.thread_id": "start",
+    "internal.thread_id": "setup",
     "internal.run_id": "01KM357YC0HE1D4QEDDHP8V8CN",
     "failure_class": "",
+    "last_response": "Perfect! The file `/tmp/scenario_flag.txt` contains:\n\n```\nSCENARIO_FLAG_42\n```\n\nThis confirms that the file created in the setup stage is accessible and readable. This is consistent with the goal of v",
+    "response.work": "Perfect! The file `/tmp/scenario_flag.txt` contains:\n\n```\nSCENARIO_FLAG_42\n```\n\nThis confirms that the file created in the setup stage is accessible and readable. This is consistent with the goal of verifying that the sandbox filesystem is shared across command and agent nodes - the setup stage successfully created the file, and we can now read it from the current environment.",
     "internal.retry_count.setup": 1,
     "failure_signature": "",
     "internal.retry_count.start": 1,
     "outcome": "success",
-    "current_node": "setup"
+    "current_node": "work"
   },
   "logs": [],
   "node_outcomes": {
+    "work": {
+      "status": "success",
+      "context_updates": {
+        "last_stage": "work",
+        "last_response": "Perfect! The file `/tmp/scenario_flag.txt` contains:\n\n```\nSCENARIO_FLAG_42\n```\n\nThis confirms that the file created in the setup stage is accessible and readable. This is consistent with the goal of v",
+        "response.work": "Perfect! The file `/tmp/scenario_flag.txt` contains:\n\n```\nSCENARIO_FLAG_42\n```\n\nThis confirms that the file created in the setup stage is accessible and readable. This is consistent with the goal of verifying that the sandbox filesystem is shared across command and agent nodes - the setup stage successfully created the file, and we can now read it from the current environment."
+      },
+      "notes": "Stage completed: work",
+      "usage": {
+        "model": "claude-haiku-4-5",
+        "input_tokens": 494,
+        "output_tokens": 148,
+        "cache_read_tokens": 4688,
+        "cache_write_tokens": 5093,
+        "cost": 0.0009872000000000001
+      },
+      "duration_ms": 5399
+    },
     "start": {
       "status": "success",
       "duration_ms": 0
@@ -43,9 +68,10 @@
       "duration_ms": 89
     }
   },
-  "next_node_id": "work",
+  "next_node_id": "verify",
   "node_visits": {
     "setup": 1,
-    "start": 1
+    "start": 1,
+    "work": 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 file created in the setup stage is accessible and readable. This is consistent with the goal of verifying that the sandbox filesystem is shared across command and agent nodes - the setup stage successfully created the file, and we can now read it from the current environment.

nodes/work/status.json

@@ -0,0 +1,6 @@
+{
+  "status": "success",
+  "notes": "Stage completed: work",
+  "failure_reason": null,
+  "timestamp": "2026-03-19T13:41:18.206090+00:00"
+}