diff --git a/checkpoint.json b/checkpoint.json
index d87c328b8..65f92da92 100644
--- a/checkpoint.json
+++ b/checkpoint.json
@@ -1,14 +1,16 @@
 {
-  "timestamp": "2026-03-19T13:00:06.301692Z",
-  "current_node": "impl",
+  "timestamp": "2026-03-19T13:00:08.817033Z",
+  "current_node": "verify",
   "completed_nodes": [
     "start",
     "setup",
     "plan",
     "approve",
-    "impl"
+    "impl",
+    "verify"
   ],
   "node_retries": {
+    "verify": 1,
     "start": 1,
     "approve": 1,
     "impl": 1,
@@ -16,16 +18,17 @@
     "plan": 1
   },
   "context_values": {
+    "internal.retry_count.verify": 1,
     "failure_class": "",
     "last_stage": "impl",
     "command.stderr": "",
-    "command.output": "",
+    "command.output": "PASS\n",
     "internal.node_visit_count": 1,
     "failure_signature": "",
     "graph.goal": "Full-stack scenario: command, agent, human gate, and goal gate verification",
-    "current_node": "impl",
+    "current_node": "verify",
     "human.gate.label": "[A] Approve",
-    "current.preamble": "Goal: Full-stack scenario: command, agent, human gate, and goal gate verification\n\n## Completed stages\n- **setup**: success\n  - Script: `mkdir -p /tmp/scenario_full && echo ready > /tmp/scenario_full/flag.txt`\n  - Stdout: (empty)\n  - Stderr: (empty)\n- **plan**: success\n  - Model: claude-haiku-4-5, 2.1k tokens in / 278 out\n- **approve**: success\n\n## Context\n- human.gate.label: [A] Approve\n- human.gate.selected: A\n",
+    "current.preamble": "Goal: Full-stack scenario: command, agent, human gate, and goal gate verification\n\n## Completed stages\n- **setup**: success\n  - Script: `mkdir -p /tmp/scenario_full && echo ready > /tmp/scenario_full/flag.txt`\n  - Stdout: (empty)\n  - Stderr: (empty)\n- **plan**: success\n  - Model: claude-haiku-4-5, 2.1k tokens in / 278 out\n- **approve**: success\n- **impl**: success\n  - Model: claude-haiku-4-5, 780 tokens in / 272 out\n\n## Context\n- human.gate.label: [A] Approve\n- human.gate.selected: A\n",
     "outcome": "success",
     "internal.retry_count.plan": 1,
     "response.impl": "Excellent! The file has been created successfully with the exact content required: \"PASS\" on the first line. The scenario should now pass the goal gate verification.",
@@ -37,8 +40,9 @@
     "thread.approve.current_node": "impl",
     "thread.plan.current_node": "approve",
     "internal.work_dir": "/private/var/folders/nm/bd2dwzy52t1ckn3tklsfmy1c0000gn/T/.tmpITw1YV/run/worktree",
+    "thread.impl.current_node": "verify",
     "thread.setup.current_node": "plan",
-    "internal.thread_id": "approve",
+    "internal.thread_id": "impl",
     "internal.retry_count.impl": 1,
     "thread.start.current_node": "setup",
     "internal.run_id": "01KM32WG9GYX638SCY467AW018",
@@ -89,6 +93,15 @@
       },
       "duration_ms": 6614
     },
+    "verify": {
+      "status": "success",
+      "context_updates": {
+        "command.stderr": "",
+        "command.output": "PASS\n"
+      },
+      "notes": "Script completed: cat /tmp/scenario_full/result.txt",
+      "duration_ms": 7
+    },
     "setup": {
       "status": "success",
       "context_updates": {
@@ -111,12 +124,13 @@
       "duration_ms": 0
     }
   },
-  "next_node_id": "verify",
+  "next_node_id": "exit",
   "node_visits": {
     "start": 1,
     "approve": 1,
     "setup": 1,
     "plan": 1,
-    "impl": 1
+    "impl": 1,
+    "verify": 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..5b93c7d8a
--- /dev/null
+++ b/nodes/verify/script_invocation.json
@@ -0,0 +1,5 @@
+{
+  "command": "cat /tmp/scenario_full/result.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..ee8bb8a94
--- /dev/null
+++ b/nodes/verify/script_timing.json
@@ -0,0 +1,5 @@
+{
+  "duration_ms": 6,
+  "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..ee08f5c03
--- /dev/null
+++ b/nodes/verify/status.json
@@ -0,0 +1,6 @@
+{
+  "status": "success",
+  "notes": "Script completed: cat /tmp/scenario_full/result.txt",
+  "failure_reason": null,
+  "timestamp": "2026-03-19T13:00:08.816640+00:00"
+}
\ No newline at end of file