chore: record Muse Mate generation run

.memory/worklog.json

@@ -609,6 +609,13 @@
       "message": "fix: preserve uploaded brand marks",
       "hash": "200f908",
       "files_changed": 1
+    },
+    {
+      "ts": "2026-05-19T12:08:13+08:00",
+      "type": "commit",
+      "message": "docs: record upload generation safeguards",
+      "hash": "1728808",
+      "files_changed": 2
     }
   ]
 }