Fix: Add Darwin import and improve d_name access for POSIX API compatibility

Author: jurre111

lara/views/FileManagerView.swift

@@ -7,6 +7,7 @@
 
 import SwiftUI
 import Foundation
+import Darwin
 
 struct FileItem: Identifiable {
     let id: UUID
@@ -41,7 +42,8 @@ class FileListerPOSIX: NSObject {
         defer { closedir(dir) }
 
         while let entry = readdir(dir) {
-            let name = String(cString: entry.pointee.d_name)
+            let nameBytes = entry.pointee.d_name
+            let name = String(cString: nameBytes)
 
             // Skip . and ..
             if name == "." || name == ".." {