diff --git a/run.json b/run.json
index 66313e8a9..5febbb7af 100644
--- a/run.json
+++ b/run.json
@@ -208,21 +208,22 @@
     "kind": "running"
   },
   "status_updated_at": "2026-05-09T19:18:45.345083Z",
-  "last_event_at": "2026-05-09T19:18:47.276704Z",
+  "last_event_at": "2026-05-09T19:18:52.666214Z",
   "pending_control": null,
   "checkpoint": {
-    "timestamp": "2026-05-09T19:18:48.691310Z",
-    "current_node": "implement",
+    "timestamp": "2026-05-09T19:18:54.120221Z",
+    "current_node": "verify",
     "completed_nodes": [
       "start",
-      "implement"
+      "implement",
+      "verify"
     ],
     "node_retries": {},
     "context_values": {
       "internal.run_id": "01KR72TMH9Y65KB3VB4WPK2WH6",
       "internal.work_dir": "/home/daytona/workspace",
       "outcome": "succeeded",
-      "internal.thread_id": "start",
+      "internal.thread_id": "implement",
       "failure_signature": "",
       "thread.start.current_node": "implement",
       "command.output": "blob://sha256/12ae32cb1ec02d01eda3581b127c1fee3b0dc53572ed6baf239721a03d82e126",
@@ -232,14 +233,12 @@
       "internal.retry_count.start": 0,
       "graph.rankdir": "LR",
       "internal.fidelity": "compact",
+      "thread.implement.current_node": "verify",
+      "internal.retry_count.verify": 0,
       "failure_class": "",
-      "current_node": "implement"
+      "current_node": "verify"
     },
     "node_outcomes": {
-      "start": {
-        "status": "succeeded",
-        "usage": null
-      },
       "implement": {
         "status": "succeeded",
         "context_updates": {
@@ -247,11 +246,24 @@
         },
         "notes": "Script completed: printf '\\nStage implement wrote this line.\\n' >> validation.txt",
         "usage": null
+      },
+      "verify": {
+        "status": "succeeded",
+        "context_updates": {
+          "command.output": "blob://sha256/12ae32cb1ec02d01eda3581b127c1fee3b0dc53572ed6baf239721a03d82e126"
+        },
+        "notes": "Script completed: printf 'Stage verify wrote this line.\\n' >> validation.txt",
+        "usage": null
+      },
+      "start": {
+        "status": "succeeded",
+        "usage": null
       }
     },
-    "next_node_id": "verify",
+    "next_node_id": "exit",
     "node_visits": {
       "start": 1,
+      "verify": 1,
       "implement": 1
     }
   },
@@ -290,6 +302,55 @@
           "start": 1
         }
       }
+    ],
+    [
+      25,
+      {
+        "timestamp": "2026-05-09T19:18:52.663003Z",
+        "current_node": "implement",
+        "completed_nodes": [
+          "start",
+          "implement"
+        ],
+        "node_retries": {},
+        "context_values": {
+          "thread.start.current_node": "implement",
+          "command.output": "blob://sha256/12ae32cb1ec02d01eda3581b127c1fee3b0dc53572ed6baf239721a03d82e126",
+          "internal.thread_id": "start",
+          "failure_class": "",
+          "internal.fidelity": "compact",
+          "failure_signature": "",
+          "graph.rankdir": "LR",
+          "internal.retry_count.implement": 0,
+          "current_node": "implement",
+          "internal.retry_count.start": 0,
+          "internal.work_dir": "/home/daytona/workspace",
+          "internal.node_visit_count": 1,
+          "outcome": "succeeded",
+          "graph.goal": "Create two committed sandbox changes for validating the run files commit picker",
+          "internal.run_id": "01KR72TMH9Y65KB3VB4WPK2WH6"
+        },
+        "node_outcomes": {
+          "implement": {
+            "status": "succeeded",
+            "context_updates": {
+              "command.output": "blob://sha256/12ae32cb1ec02d01eda3581b127c1fee3b0dc53572ed6baf239721a03d82e126"
+            },
+            "notes": "Script completed: printf '\\nStage implement wrote this line.\\n' >> validation.txt",
+            "usage": null
+          },
+          "start": {
+            "status": "succeeded",
+            "usage": null
+          }
+        },
+        "next_node_id": "verify",
+        "git_commit_sha": "60d3a7228d0ba245c3fcc77160e35a9a88c87ff6",
+        "node_visits": {
+          "start": 1,
+          "implement": 1
+        }
+      }
     ]
   ],
   "conclusion": null,
@@ -302,6 +363,11 @@
     "clone_branch": "main"
   },
   "final_patch": null,
+  "diff_summary": {
+    "files_changed": 1,
+    "additions": 2,
+    "deletions": 0
+  },
   "pull_request": null,
   "superseded_by": null,
   "pending_interviews": {},
@@ -310,7 +376,12 @@
       "first_event_seq": 18,
       "prompt": null,
       "response": null,
-      "completion": null,
+      "completion": {
+        "outcome": "succeeded",
+        "notes": "Script completed: printf '\\nStage implement wrote this line.\\n' >> validation.txt",
+        "failure_reason": null,
+        "timestamp": "2026-05-09T19:18:48.689873Z"
+      },
       "provider_used": null,
       "diff": null,
       "script_invocation": {
@@ -318,12 +389,23 @@
         "command": "exec 2>&1\nprintf '\\nStage implement wrote this line.\\n' >> validation.txt",
         "language": "shell"
       },
-      "script_timing": null,
+      "script_timing": {
+        "output": "blob://sha256/12ae32cb1ec02d01eda3581b127c1fee3b0dc53572ed6baf239721a03d82e126",
+        "exit_code": 0,
+        "duration_ms": 1404,
+        "termination": "exited",
+        "output_bytes": 0,
+        "live_streaming": false
+      },
       "parallel_results": null,
       "output": null,
+      "output_bytes": 0,
+      "live_streaming": false,
+      "termination": "exited",
       "started_at": "2026-05-09T19:18:47.276650Z",
       "handler": "command",
-      "state": "running"
+      "duration_ms": 1413,
+      "state": "succeeded"
     },
     "start@1": {
       "first_event_seq": 14,
@@ -345,6 +427,25 @@
       "handler": "start",
       "duration_ms": 0,
       "state": "succeeded"
+    },
+    "verify@1": {
+      "first_event_seq": 28,
+      "prompt": null,
+      "response": null,
+      "completion": null,
+      "provider_used": null,
+      "diff": null,
+      "script_invocation": {
+        "script": "printf 'Stage verify wrote this line.\\n' >> validation.txt",
+        "command": "exec 2>&1\nprintf 'Stage verify wrote this line.\\n' >> validation.txt",
+        "language": "shell"
+      },
+      "script_timing": null,
+      "parallel_results": null,
+      "output": null,
+      "started_at": "2026-05-09T19:18:52.665542Z",
+      "handler": "command",
+      "state": "running"
     }
   }
 }
\ No newline at end of file
diff --git a/stages/002-implement@1/diff.patch b/stages/002-implement@1/diff.patch
new file mode 100644
index 000000000..313522821
--- /dev/null
+++ b/stages/002-implement@1/diff.patch
@@ -0,0 +1,8 @@
+diff --git a/validation.txt b/validation.txt
+new file mode 100644
+index 00000000..f2a0dc38
+--- /dev/null
++++ b/validation.txt
+@@ -0,0 +1,2 @@
++
++Stage implement wrote this line.
diff --git a/stages/002-implement@1/output.log b/stages/002-implement@1/output.log
new file mode 100644
index 000000000..d87ba9545
--- /dev/null
+++ b/stages/002-implement@1/output.log
@@ -0,0 +1 @@
+blob://sha256/12ae32cb1ec02d01eda3581b127c1fee3b0dc53572ed6baf239721a03d82e126
\ No newline at end of file
diff --git a/stages/002-implement@1/script_timing.json b/stages/002-implement@1/script_timing.json
new file mode 100644
index 000000000..fd2cb26f0
--- /dev/null
+++ b/stages/002-implement@1/script_timing.json
@@ -0,0 +1,8 @@
+{
+  "output": "blob://sha256/12ae32cb1ec02d01eda3581b127c1fee3b0dc53572ed6baf239721a03d82e126",
+  "exit_code": 0,
+  "duration_ms": 1404,
+  "termination": "exited",
+  "output_bytes": 0,
+  "live_streaming": false
+}
\ No newline at end of file
diff --git a/stages/002-implement@1/status.json b/stages/002-implement@1/status.json
new file mode 100644
index 000000000..fe1fe2431
--- /dev/null
+++ b/stages/002-implement@1/status.json
@@ -0,0 +1,6 @@
+{
+  "outcome": "succeeded",
+  "notes": "Script completed: printf '\\nStage implement wrote this line.\\n' >> validation.txt",
+  "failure_reason": null,
+  "timestamp": "2026-05-09T19:18:48.689873Z"
+}
\ No newline at end of file
diff --git a/stages/003-verify@1/script_invocation.json b/stages/003-verify@1/script_invocation.json
new file mode 100644
index 000000000..ec3adc729
--- /dev/null
+++ b/stages/003-verify@1/script_invocation.json
@@ -0,0 +1,5 @@
+{
+  "script": "printf 'Stage verify wrote this line.\\n' >> validation.txt",
+  "command": "exec 2>&1\nprintf 'Stage verify wrote this line.\\n' >> validation.txt",
+  "language": "shell"
+}
\ No newline at end of file