diff --git a/checkpoint.json b/checkpoint.json
index 1db926725..67ea09b04 100644
--- a/checkpoint.json
+++ b/checkpoint.json
@@ -1,30 +1,34 @@
 {
-  "timestamp": "2026-03-22T20:12:56.583029Z",
-  "current_node": "work",
+  "timestamp": "2026-03-22T20:12:59.111550Z",
+  "current_node": "verify",
   "completed_nodes": [
     "start",
     "setup",
-    "work"
+    "work",
+    "verify"
   ],
   "node_retries": {
     "start": 1,
+    "setup": 1,
     "work": 1,
-    "setup": 1
+    "verify": 1
   },
   "context_values": {
     "failure_signature": "",
     "internal.fidelity": "compact",
-    "current_node": "work",
+    "current_node": "verify",
     "graph.rankdir": "LR",
     "outcome": "success",
     "internal.run_id": "01KMBJVDCBKEFWKCSZHKHSKT7R",
     "thread.start.current_node": "setup",
     "internal.retry_count.setup": 1,
-    "command.output": "",
+    "command.output": "SCENARIO_FLAG_42\n",
     "thread.setup.current_node": "work",
     "last_response": "The file `/tmp/scenario_flag.txt` contains:\n```\nSCENARIO_FLAG_42\n```\n\nThis confirms that the file created during the setup stage is accessible, demonstrating that the sandbox filesystem is being share",
     "last_stage": "work",
-    "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",
+    "internal.retry_count.verify": 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- **work**: success\n  - Model: claude-haiku-4-5, 613 tokens in / 215 out\n",
+    "thread.work.current_node": "verify",
     "internal.node_visit_count": 1,
     "command.stderr": "",
     "internal.retry_count.start": 1,
@@ -32,10 +36,23 @@
     "graph.goal": "Verify sandbox filesystem is shared across command and agent nodes",
     "internal.retry_count.work": 1,
     "failure_class": "",
-    "internal.thread_id": "setup"
+    "internal.thread_id": "work"
   },
   "logs": [],
   "node_outcomes": {
+    "start": {
+      "status": "success",
+      "duration_ms": 0
+    },
+    "verify": {
+      "status": "success",
+      "context_updates": {
+        "command.stderr": "",
+        "command.output": "SCENARIO_FLAG_42\n"
+      },
+      "notes": "Script completed: cat /tmp/scenario_flag.txt",
+      "duration_ms": 49
+    },
     "setup": {
       "status": "success",
       "context_updates": {
@@ -45,10 +62,6 @@
       "notes": "Script completed: echo SCENARIO_FLAG_42 > /tmp/scenario_flag.txt",
       "duration_ms": 33
     },
-    "start": {
-      "status": "success",
-      "duration_ms": 0
-    },
     "work": {
       "status": "success",
       "context_updates": {
@@ -69,10 +82,11 @@
       "duration_ms": 2818
     }
   },
-  "next_node_id": "verify",
+  "next_node_id": "exit",
   "node_visits": {
-    "setup": 1,
     "work": 1,
+    "verify": 1,
+    "setup": 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..b21db8baa
--- /dev/null
+++ b/nodes/verify/script_timing.json
@@ -0,0 +1,5 @@
+{
+  "duration_ms": 48,
+  "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..42119610c
--- /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": "2026-03-22T20:12:59.111114+00:00"
+}
\ No newline at end of file