diff --git a/buffer/staging/DEV-012/batch-20260324-001.json b/buffer/processed/20260324/batch-20260324-001.json
similarity index 100%
rename from buffer/staging/DEV-012/batch-20260324-001.json
rename to buffer/processed/20260324/batch-20260324-001.json
diff --git a/grid-db/memory/DEV-012/checkin-log.json b/grid-db/memory/DEV-012/checkin-log.json
new file mode 100644
index 00000000..77d9ef2c
--- /dev/null
+++ b/grid-db/memory/DEV-012/checkin-log.json
@@ -0,0 +1,15 @@
+{
+  "records": [
+    {
+      "timestamp": "2026-03-24T12:48:32Z",
+      "source": "skyeye",
+      "payload": {
+        "persona": "知秋",
+        "timestamp": "2026-03-24T12:48:25.209Z",
+        "signature_hash": "47cc0e8932efdac8dfec90b9612dfec7e928ee3cdb75510a5e77a78f86bd0d51",
+        "checks": null
+      },
+      "buffer_message_id": "BUF-2026-03-24T124832Z-skyeye"
+    }
+  ]
+}