From ad84ee80f1b6cf63d5ad2a719f2daf9ee195ca3b Mon Sep 17 00:00:00 2001
From: Fabro <noreply@fabro.sh>
Date: Fri, 27 Mar 2026 10:58:17 -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               | 47 +++++++++++++++++++++++++++--------
 nodes/work/prompt.md          | 10 ++++++++
 nodes/work/provider_used.json |  5 ++++
 nodes/work/response.md        |  7 ++++++
 nodes/work/status.json        |  6 +++++
 5 files changed, 64 insertions(+), 11 deletions(-)
 create mode 100644 nodes/work/prompt.md
 create mode 100644 nodes/work/provider_used.json
 create mode 100644 nodes/work/response.md
 create mode 100644 nodes/work/status.json

diff --git a/checkpoint.json b/checkpoint.json
index 4bb18e86d..981bc70d0 100644
--- a/checkpoint.json
+++ b/checkpoint.json
@@ -1,34 +1,36 @@
 {
-  "timestamp": "2026-03-27T14:58:12.980983Z",
-  "current_node": "setup",
+  "timestamp": "2026-03-27T14:58:17.746202Z",
+  "current_node": "work",
   "completed_nodes": [
     "start",
-    "setup"
+    "setup",
+    "work"
   ],
   "node_retries": {},
   "context_values": {
     "internal.run_id": "01KMQWTV54R8GGH9AW484V5108",
     "graph.rankdir": "LR",
     "failure_signature": "",
-    "internal.thread_id": "start",
+    "internal.thread_id": "setup",
     "command.output": "",
     "internal.retry_count.start": 0,
+    "last_stage": "work",
     "internal.node_visit_count": 1,
     "internal.fidelity": "compact",
     "command.stderr": "",
     "outcome": "success",
-    "current.preamble": "Goal: Verify sandbox filesystem is shared across command and agent nodes\n",
-    "current_node": "setup",
+    "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 filesystem is accessible and the ",
+    "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_node": "work",
+    "thread.setup.current_node": "work",
     "graph.goal": "Verify sandbox filesystem is shared across command and agent nodes",
+    "internal.retry_count.work": 0,
     "failure_class": "",
+    "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 filesystem is accessible and the file persists as expected.",
     "thread.start.current_node": "setup",
     "internal.retry_count.setup": 0
   },
   "node_outcomes": {
-    "start": {
-      "status": "success",
-      "usage": null
-    },
     "setup": {
       "status": "success",
       "context_updates": {
@@ -37,10 +39,33 @@
       },
       "notes": "Script completed: echo SCENARIO_FLAG_42 > /tmp/scenario_flag.txt",
       "usage": null
+    },
+    "start": {
+      "status": "success",
+      "usage": null
+    },
+    "work": {
+      "status": "success",
+      "context_updates": {
+        "last_stage": "work",
+        "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 filesystem is accessible and the ",
+        "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 filesystem is accessible and the file persists as expected."
+      },
+      "notes": "Stage completed: work",
+      "usage": {
+        "model": "claude-haiku-4-5",
+        "input_tokens": 596,
+        "output_tokens": 183,
+        "cache_read_tokens": 4821,
+        "cache_write_tokens": 5249,
+        "reasoning_tokens": 53,
+        "cost": 0.0012088
+      }
     }
   },
-  "next_node_id": "work",
+  "next_node_id": "verify",
   "node_visits": {
+    "work": 1,
     "start": 1,
     "setup": 1
   }
diff --git a/nodes/work/prompt.md b/nodes/work/prompt.md
new file mode 100644
index 000000000..59af50d8f
--- /dev/null
+++ b/nodes/work/prompt.md
@@ -0,0 +1,10 @@
+Goal: Verify sandbox filesystem is shared across command and agent nodes
+
+## Completed stages
+- **setup**: success
+  - Script: `echo SCENARIO_FLAG_42 > /tmp/scenario_flag.txt`
+  - Stdout: (empty)
+  - Stderr: (empty)
+
+
+Read the file /tmp/scenario_flag.txt and tell me what it contains.
\ No newline at end of file
diff --git a/nodes/work/provider_used.json b/nodes/work/provider_used.json
new file mode 100644
index 000000000..17e74f4d1
--- /dev/null
+++ b/nodes/work/provider_used.json
@@ -0,0 +1,5 @@
+{
+  "mode": "agent",
+  "provider": "anthropic",
+  "model": "claude-haiku-4-5"
+}
\ No newline at end of file
diff --git a/nodes/work/response.md b/nodes/work/response.md
new file mode 100644
index 000000000..16173b02c
--- /dev/null
+++ b/nodes/work/response.md
@@ -0,0 +1,7 @@
+The file `/tmp/scenario_flag.txt` contains:
+
+```
+SCENARIO_FLAG_42
+```
+
+This confirms that the setup stage successfully created the file with the expected content. The filesystem is accessible and the file persists as expected.
\ No newline at end of file
diff --git a/nodes/work/status.json b/nodes/work/status.json
new file mode 100644
index 000000000..e4192705a
--- /dev/null
+++ b/nodes/work/status.json
@@ -0,0 +1,6 @@
+{
+  "status": "success",
+  "notes": "Stage completed: work",
+  "failure_reason": null,
+  "timestamp": "2026-03-27T14:58:17.745934+00:00"
+}
\ No newline at end of file