Fix HF Datasets backup for duplicated spaces and sanitize dataset names

backend/sync-manager.js

@@ -6,7 +6,7 @@ import path from "path";
 import AdmZip from "adm-zip";
 
 // ─── Config ───────────────────────────────────────────────────────────────────
-const HF_OWNER = "techedstudios";
+const HF_OWNER = process.env.SPACE_AUTHOR_NAME || "techedstudios";
 const MAX_BACKUPS = 5; // Keep last 5 backups (unlimited space on HF!)
 
 function getHFToken() {
@@ -14,8 +14,12 @@ function getHFToken() {
 }
 
 function getRepoId(serverId) {
-  const sanitizedId = serverId.replace(/\./g, '-');
-  return `${HF_OWNER}/mc-server-data-${sanitizedId}`;
+  const sanitizedId = serverId
+    .replace(/\./g, '-')
+    .replace(/[^a-zA-Z0-9-_\.]/g, '-')
+    .replace(/-+/g, '-')
+    .replace(/^-+|-+$/g, '');
+  return `${HF_OWNER}/mc-server-data-${sanitizedId}`.toLowerCase();
 }
 
 // ─── Ensure HF Dataset exists ─────────────────────────────────────────────────