fix(updater): migrate legacy release repositories

Redirect settings that still reference the former private repositories to the public GitHub release source so existing installations can discover v2.0.1 and later updates.

src/main/storage.ts

@@ -328,15 +328,17 @@ function normalizeProviderOrder(
   return result;
 }
 
-const DEPRECATED_UPDATE_REPOS = new Set([
-  "sucukdeluxe/real-debrid-downloader"
-]);
-
-function migrateUpdateRepo(raw: string, fallback: string): string {
-  const trimmed = raw.trim();
-  if (!trimmed || DEPRECATED_UPDATE_REPOS.has(trimmed.toLowerCase())) {
-    return fallback;
-  }
+const DEPRECATED_UPDATE_REPO_NAMES = new Set([
+  "real-debrid-downloader",
+  "multi-debrid-downloader"
+]);
+
+function migrateUpdateRepo(raw: string, fallback: string): string {
+  const trimmed = raw.trim();
+  const repoName = trimmed.split("/").filter(Boolean).pop()?.replace(/\.git$/i, "").toLowerCase() || "";
+  if (!trimmed || (DEPRECATED_UPDATE_REPO_NAMES.has(repoName) && trimmed.toLowerCase() !== fallback.toLowerCase())) {
+    return fallback;
+  }
   return trimmed;
 }