Improve MineGeo exploration and mapping features

scripts/repair-panoramas.mjs

@@ -30,6 +30,7 @@ const dataset = check(
 if (
   dataset.source !== "plugin" ||
   dataset.revision_id ||
+  dataset.parent_dataset_id ||
   !["draft", "rejected"].includes(dataset.state)
 )
   throw new Error(
@@ -52,6 +53,14 @@ const input = check(
     .single(),
 );
 if (!input.validated) throw new Error("The export must be validated first.");
+if (
+  (input.manifest.availableViewpoints ?? input.manifest.viewpoints).some(
+    (p) => p.assetRoot,
+  )
+)
+  throw new Error(
+    "Repair mixed-media drafts by uploading a new capture; accepted contribution files cannot be overwritten.",
+  );
 const asset = input.manifest.assets.find((a) => a.path === "terrain.json.gz");
 if (!asset) throw new Error("Missing original terrain export");
 const raw = check(