"Fix" file removal by tracking deleted files

main.go

@@ -106,12 +106,16 @@ func main() {
 	}()
 
 	// Process results and remove duplicates
+	deletedFiles := make(map[string]bool)
 	for result := range groupResults {
 		allFiles := append([]string{result.mainFile}, result.group...)
 		var largestFile string
 		var largestSize int64
 
 		for _, f := range allFiles {
+			if deletedFiles[f] {
+				continue
+			}
 			info, err := os.Stat(f)
 			if err != nil {
 				logger.Error("Failed to get file info for %s: %v", f, err)
@@ -124,10 +128,12 @@ func main() {
 		}
 
 		for _, f := range allFiles {
-			if f != largestFile {
+			if f != largestFile && !deletedFiles[f] {
 				logger.Info("Removing duplicate: %s (keeping %s)", f, largestFile)
 				if err := os.Remove(f); err != nil {
 					logger.Error("Failed to remove file %s: %v", f, err)
+				} else {
+					deletedFiles[f] = true
 				}
 			}
 		}
@@ -218,7 +224,7 @@ func groupWorker(in <-chan HashResult, out chan<- GroupResult, wg *sync.WaitGrou
 
 		var group []string
 		for fileb, hashb := range allHashes {
-			if filea == fileb {
+			if filea == fileb || processedFiles[fileb] {
 				continue
 			}
 			distance, err := hasha.Distance(hashb)