diff --git a/checkpoint.json b/checkpoint.json
new file mode 100644
index 000000000..58cd8e171
--- /dev/null
+++ b/checkpoint.json
@@ -0,0 +1,65 @@
+{
+  "timestamp": "2026-03-19T13:03:59.379548Z",
+  "current_node": "work",
+  "completed_nodes": [
+    "start",
+    "work"
+  ],
+  "node_retries": {
+    "work": 1,
+    "start": 1
+  },
+  "context_values": {
+    "internal.retry_count.start": 1,
+    "thread.start.current_node": "work",
+    "current_node": "work",
+    "internal.run_id": "01KM333Y45SMBFZX51VC8646YA",
+    "internal.work_dir": "/private/var/folders/nm/bd2dwzy52t1ckn3tklsfmy1c0000gn/T/.tmpQqcRYB/run/worktree",
+    "last_stage": "work",
+    "response.work": "Perfect! I've successfully written \"hello\" to the file `scenario_test.txt` in the working directory. The file has been created with the content \"hello\".",
+    "graph.rankdir": "LR",
+    "failure_class": "",
+    "internal.fidelity": "compact",
+    "last_response": "Perfect! I've successfully written \"hello\" to the file `scenario_test.txt` in the working directory. The file has been created with the content \"hello\".",
+    "graph.goal": "Write hello to a file using an agent",
+    "internal.node_visit_count": 1,
+    "outcome": "success",
+    "current.preamble": "Goal: Write hello to a file using an agent\n",
+    "internal.thread_id": "start",
+    "internal.retry_count.work": 1,
+    "failure_signature": ""
+  },
+  "logs": [],
+  "node_outcomes": {
+    "start": {
+      "status": "success",
+      "duration_ms": 0
+    },
+    "work": {
+      "status": "success",
+      "context_updates": {
+        "last_stage": "work",
+        "response.work": "Perfect! I've successfully written \"hello\" to the file `scenario_test.txt` in the working directory. The file has been created with the content \"hello\".",
+        "last_response": "Perfect! I've successfully written \"hello\" to the file `scenario_test.txt` in the working directory. The file has been created with the content \"hello\"."
+      },
+      "notes": "Stage completed: work",
+      "usage": {
+        "model": "claude-haiku-4-5",
+        "input_tokens": 571,
+        "output_tokens": 191,
+        "cache_read_tokens": 4714,
+        "cache_write_tokens": 5061,
+        "cost": 0.0012208
+      },
+      "files_touched": [
+        "/private/var/folders/nm/bd2dwzy52t1ckn3tklsfmy1c0000gn/T/.tmpQqcRYB/run/worktree/scenario_test.txt"
+      ],
+      "duration_ms": 6970
+    }
+  },
+  "next_node_id": "exit",
+  "node_visits": {
+    "work": 1,
+    "start": 1
+  }
+}
\ No newline at end of file
diff --git a/nodes/start/status.json b/nodes/start/status.json
new file mode 100644
index 000000000..f723c9b26
--- /dev/null
+++ b/nodes/start/status.json
@@ -0,0 +1,6 @@
+{
+  "status": "success",
+  "notes": null,
+  "failure_reason": null,
+  "timestamp": "2026-03-19T13:03:52.407210+00:00"
+}
\ No newline at end of file
diff --git a/nodes/work/prompt.md b/nodes/work/prompt.md
new file mode 100644
index 000000000..31ad81328
--- /dev/null
+++ b/nodes/work/prompt.md
@@ -0,0 +1,4 @@
+Goal: Write hello to a file using an agent
+
+
+Write the word 'hello' to a file called scenario_test.txt
\ 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..a7de123a5
--- /dev/null
+++ b/nodes/work/response.md
@@ -0,0 +1 @@
+Perfect! I've successfully written "hello" to the file `scenario_test.txt` in the working directory. The file has been created with the content "hello".
\ No newline at end of file
diff --git a/nodes/work/status.json b/nodes/work/status.json
new file mode 100644
index 000000000..b304e66e5
--- /dev/null
+++ b/nodes/work/status.json
@@ -0,0 +1,6 @@
+{
+  "status": "success",
+  "notes": "Stage completed: work",
+  "failure_reason": null,
+  "timestamp": "2026-03-19T13:03:59.379274+00:00"
+}
\ No newline at end of file