diff --git a/checkpoint.json b/checkpoint.json
index d2f5b69ac..2577eabdb 100644
--- a/checkpoint.json
+++ b/checkpoint.json
@@ -1,26 +1,30 @@
 {
-  "timestamp": "2026-03-19T14:36:18.762541Z",
-  "current_node": "work",
+  "timestamp": "2026-03-19T14:36:24.261409Z",
+  "current_node": "verify",
   "completed_nodes": [
     "start",
     "setup",
-    "work"
+    "work",
+    "verify"
   ],
   "node_retries": {
     "setup": 1,
-    "work": 1,
-    "start": 1
+    "verify": 1,
+    "start": 1,
+    "work": 1
   },
   "context_values": {
     "graph.goal": "Verify sandbox filesystem is shared across command and agent nodes",
     "internal.run_id": "01KM38A5VGH4270VSF7T76SHES",
-    "internal.thread_id": "setup",
+    "internal.thread_id": "work",
     "internal.retry_count.setup": 1,
     "command.stderr": "",
+    "thread.work.current_node": "verify",
     "last_response": "The file `/tmp/scenario_flag.txt` contains:\n\n```\nSCENARIO_FLAG_42\n```\n\nThis confirms that the setup stage successfully created the file with the expected content. The sandbox filesystem is accessible ",
     "internal.node_visit_count": 1,
-    "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",
-    "command.output": "",
+    "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- **work**: success\n  - Model: claude-haiku-4-5, 494 tokens in / 138 out\n",
+    "command.output": "SCENARIO_FLAG_42\n",
+    "internal.retry_count.verify": 1,
     "graph.rankdir": "LR",
     "response.work": "The file `/tmp/scenario_flag.txt` contains:\n\n```\nSCENARIO_FLAG_42\n```\n\nThis confirms that the setup stage successfully created the file with the expected content. The sandbox filesystem is accessible and the file persists for subsequent stages, which is relevant to verifying that the sandbox filesystem is shared across command and agent nodes.",
     "failure_class": "",
@@ -28,7 +32,7 @@
     "failure_signature": "",
     "internal.fidelity": "compact",
     "internal.retry_count.start": 1,
-    "current_node": "work",
+    "current_node": "verify",
     "thread.setup.current_node": "work",
     "internal.retry_count.work": 1,
     "outcome": "success",
@@ -40,6 +44,15 @@
       "status": "success",
       "duration_ms": 0
     },
+    "verify": {
+      "status": "success",
+      "context_updates": {
+        "command.output": "SCENARIO_FLAG_42\n",
+        "command.stderr": ""
+      },
+      "notes": "Script completed: cat /tmp/scenario_flag.txt",
+      "duration_ms": 276
+    },
     "work": {
       "status": "success",
       "context_updates": {
@@ -68,10 +81,11 @@
       "duration_ms": 291
     }
   },
-  "next_node_id": "verify",
+  "next_node_id": "exit",
   "node_visits": {
+    "setup": 1,
     "work": 1,
-    "start": 1,
-    "setup": 1
+    "verify": 1,
+    "start": 1
   }
 }
\ No newline at end of file
diff --git a/nodes/verify/script_invocation.json b/nodes/verify/script_invocation.json
new file mode 100644
index 000000000..28cf873ca
--- /dev/null
+++ b/nodes/verify/script_invocation.json
@@ -0,0 +1,5 @@
+{
+  "command": "cat /tmp/scenario_flag.txt",
+  "language": "shell",
+  "timeout_ms": null
+}
\ No newline at end of file
diff --git a/nodes/verify/script_timing.json b/nodes/verify/script_timing.json
new file mode 100644
index 000000000..3a8beb28c
--- /dev/null
+++ b/nodes/verify/script_timing.json
@@ -0,0 +1,5 @@
+{
+  "duration_ms": 275,
+  "exit_code": 0,
+  "timed_out": false
+}
\ No newline at end of file
diff --git a/nodes/verify/status.json b/nodes/verify/status.json
new file mode 100644
index 000000000..f49c6f32a
--- /dev/null
+++ b/nodes/verify/status.json
@@ -0,0 +1,6 @@
+{
+  "status": "success",
+  "notes": "Script completed: cat /tmp/scenario_flag.txt",
+  "failure_reason": null,
+  "timestamp": "2026-03-19T14:36:24.260707+00:00"
+}
\ No newline at end of file