Link the dataset release and companion GitHub repository

README.md

@@ -18,6 +18,9 @@ spatial QA, and raw model predictions. Four vertical-spread conditions are
 released under the uniform names `zspread_025`, `zspread_050`, `zspread_075`,
 and `zspread_100`.
 
+Generation, evaluation, and analysis code is available in the
+[DM3SR GitHub repository](https://github.com/Ever2after/DM3SR).
+
 ## Dataset layout
 
 ```text

metadata/release_manifest.json

@@ -1,5 +1,11 @@
 {
   "schema_version": "type1b-release-v1",
+  "release_target": {
+    "repo_id": "Ever2after/DM3SR",
+    "repo_type": "dataset",
+    "url": "https://huggingface.co/datasets/Ever2after/DM3SR",
+    "released_on": "2026-08-25"
+  },
   "naming": {
     "zspread_025": 0.25,
     "zspread_050": 0.5,