release: prepare v2.0.43

Add sanitized provider and account runtime diagnostics, complete the Multi-Debrid-Downloader product rename, preserve existing application data during migration, update public release verification, and publish the accompanying English documentation and regression coverage.

src/main/support-bundle.ts

@@ -94,7 +94,7 @@ function formatTimestampForFileName(date: Date): string {
 }
 
 export function getSupportBundleDefaultFileName(): string {
-  return `rd-support-bundle-${formatTimestampForFileName(new Date())}.zip`;
+  return `mdd-support-bundle-${formatTimestampForFileName(new Date())}.zip`;
 }
 
 type HostDiagnosticsMode = "full" | "cached" | "none";