From 30307bb071001e72d200cb76178dde1160096aee Mon Sep 17 00:00:00 2001
From: Fabro <noreply@fabro.sh>
Date: Thu, 19 Mar 2026 09:48:04 -0400
Subject: [PATCH] checkpoint
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

⚒️ Generated with [Fabro](https://fabro.sh)
---
 checkpoint.json                     | 34 ++++++++++++++++++++---------
 nodes/verify/script_invocation.json |  5 +++++
 nodes/verify/script_timing.json     |  5 +++++
 nodes/verify/status.json            |  6 +++++
 4 files changed, 40 insertions(+), 10 deletions(-)
 create mode 100644 nodes/verify/script_invocation.json
 create mode 100644 nodes/verify/script_timing.json
 create mode 100644 nodes/verify/status.json

diff --git a/checkpoint.json b/checkpoint.json
index bffd811ae..60d24b391 100644
--- a/checkpoint.json
+++ b/checkpoint.json
@@ -1,15 +1,17 @@
 {
-  "timestamp": "2026-03-19T13:48:02.028647Z",
-  "current_node": "work",
+  "timestamp": "2026-03-19T13:48:04.529498Z",
+  "current_node": "verify",
   "completed_nodes": [
     "start",
     "setup",
-    "work"
+    "work",
+    "verify"
   ],
   "node_retries": {
-    "setup": 1,
     "work": 1,
-    "start": 1
+    "start": 1,
+    "verify": 1,
+    "setup": 1
   },
   "context_values": {
     "graph.rankdir": "LR",
@@ -18,24 +20,35 @@
     "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",
+    "current_node": "verify",
     "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": "setup",
+    "internal.thread_id": "work",
+    "thread.work.current_node": "verify",
     "internal.fidelity": "compact",
-    "command.output": "",
+    "command.output": "SCENARIO_FLAG_42\n",
     "internal.retry_count.start": 1,
+    "internal.retry_count.verify": 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\n## Completed stages\n- **setup**: success\n  - Script: `echo SCENARIO_FLAG_42 > /tmp/scenario_flag.txt`\n  - Stdout: (empty)\n  - Stderr: (empty)\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- **work**: success\n  - Model: claude-haiku-4-5, 507 tokens in / 148 out\n",
     "thread.start.current_node": "setup",
     "internal.run_id": "01KM35MF4XB59ENCXAEA5M6QXV"
   },
   "logs": [],
   "node_outcomes": {
+    "verify": {
+      "status": "success",
+      "context_updates": {
+        "command.stderr": "",
+        "command.output": "SCENARIO_FLAG_42\n"
+      },
+      "notes": "Script completed: cat /tmp/scenario_flag.txt",
+      "duration_ms": 22
+    },
     "work": {
       "status": "success",
       "context_updates": {
@@ -68,10 +81,11 @@
       "duration_ms": 32
     }
   },
-  "next_node_id": "verify",
+  "next_node_id": "exit",
   "node_visits": {
     "start": 1,
     "work": 1,
+    "verify": 1,
     "setup": 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..46f55a541
--- /dev/null
+++ b/nodes/verify/script_timing.json
@@ -0,0 +1,5 @@
+{
+  "duration_ms": 21,
+  "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..a73349eb8
--- /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": "2026-03-19T13:48:04.529187+00:00"
+}
\ No newline at end of file