Add manifest for progressive runs (backbone frozen)

_summary/MANIFEST.json

@@ -1,6 +1,6 @@
 [
   {
-    "model": "yolov12m",
-    "path_in_repo": "yolov12m_freeze21-19-17-15-13-11-9-7_stages8"
+    "model": "medical_yolov8",
+    "path_in_repo": "medical_yolov8_freeze22-19-16-13-10_stages5"
   }
 ]