diff --git a/.gsd/milestones/M001/slices/S01/tasks/T04-VERIFY.json b/.gsd/milestones/M001/slices/S01/tasks/T04-VERIFY.json
new file mode 100644
index 0000000..03f487b
--- /dev/null
+++ b/.gsd/milestones/M001/slices/S01/tasks/T04-VERIFY.json
@@ -0,0 +1,18 @@
+{
+  "schemaVersion": 1,
+  "taskId": "T04",
+  "unitId": "M001/S01/T04",
+  "timestamp": 1773806563582,
+  "passed": false,
+  "discoverySource": "task-plan",
+  "checks": [
+    {
+      "command": "python -m pytest tests/test_api.py -v",
+      "exitCode": 1,
+      "durationMs": 41,
+      "verdict": "fail"
+    }
+  ],
+  "retryAttempt": 1,
+  "maxRetries": 2
+}