improvement: enhance Sparkle error logging with error codes

Add error domain and code to abort error messages to help diagnose installation failures.

Sources/ViewModels/SparkleUpdater.swift

@@ -117,7 +117,12 @@ extension SparkleUpdater: SPUUpdaterDelegate {
 
     nonisolated func updater(_ updater: SPUUpdater, didAbortWithError error: Error) {
         Task { @MainActor in
-            logError("Sparkle aborted: \(error.localizedDescription)")
+            let errorDescription = error as NSError
+            let details = "Domain: \(errorDescription.domain), Code: \(errorDescription.code), Description: \(error.localizedDescription)"
+            logError("Sparkle aborted: \(details)")
+            if let underlying = errorDescription.userInfo[NSUnderlyingErrorKey] as? NSError {
+                logError("Underlying error: Domain: \(underlying.domain), Code: \(underlying.code), Description: \(underlying.localizedDescription)")
+            }
         }
     }
 }