From dc704f47215946cdff075eac06e7eee00dd95979 Mon Sep 17 00:00:00 2001
From: Fabro <noreply@fabro.sh>
Date: Thu, 19 Mar 2026 08:59:57 -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                     | 32 +++++++++++++++++++++--------
 nodes/verify/script_invocation.json |  5 +++++
 nodes/verify/script_timing.json     |  5 +++++
 nodes/verify/status.json            |  6 ++++++
 4 files changed, 39 insertions(+), 9 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 c3dd9a2ca..92289dc60 100644
--- a/checkpoint.json
+++ b/checkpoint.json
@@ -1,13 +1,15 @@
 {
-  "timestamp": "2026-03-19T12:59:55.192115Z",
-  "current_node": "work",
+  "timestamp": "2026-03-19T12:59:57.568746Z",
+  "current_node": "verify",
   "completed_nodes": [
     "start",
     "setup",
-    "work"
+    "work",
+    "verify"
   ],
   "node_retries": {
     "start": 1,
+    "verify": 1,
     "setup": 1,
     "work": 1
   },
@@ -21,7 +23,7 @@
     "internal.retry_count.setup": 1,
     "last_stage": "work",
     "internal.retry_count.start": 1,
-    "current_node": "work",
+    "current_node": "verify",
     "graph.rankdir": "LR",
     "thread.setup.current_node": "work",
     "outcome": "success",
@@ -29,11 +31,13 @@
     "response.work": "Perfect! The file `/tmp/scenario_flag.txt` contains `SCENARIO_FLAG_42`, which confirms that the sandbox filesystem **is shared** across the command and agent nodes. The setup stage successfully created this file, and I was able to read it in the subsequent stage, verifying that the filesystem state persists across different execution contexts within the same sandbox.",
     "graph.goal": "Verify sandbox filesystem is shared across command and agent nodes",
     "last_response": "Perfect! The file `/tmp/scenario_flag.txt` contains `SCENARIO_FLAG_42`, which confirms that the sandbox filesystem **is shared** across the command and agent nodes. The setup stage successfully create",
-    "command.output": "",
-    "internal.thread_id": "setup",
-    "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": "SCENARIO_FLAG_42\n",
+    "internal.thread_id": "work",
+    "thread.work.current_node": "verify",
+    "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 / 155 out\n",
     "failure_signature": "",
-    "thread.start.current_node": "setup"
+    "thread.start.current_node": "setup",
+    "internal.retry_count.verify": 1
   },
   "logs": [],
   "node_outcomes": {
@@ -50,6 +54,15 @@
       "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": 6
+    },
     "work": {
       "status": "success",
       "context_updates": {
@@ -69,9 +82,10 @@
       "duration_ms": 3344
     }
   },
-  "next_node_id": "verify",
+  "next_node_id": "exit",
   "node_visits": {
     "setup": 1,
+    "verify": 1,
     "start": 1,
     "work": 1
   }
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..5d4ae0862
--- /dev/null
+++ b/nodes/verify/script_timing.json
@@ -0,0 +1,5 @@
+{
+  "duration_ms": 5,
+  "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..a22384778
--- /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": "2026-03-19T12:59:57.568339+00:00"
+}
\ No newline at end of file