fix: abschliessen.py zeigt kleine Dateien in Byte statt „0 KB“

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

abschliessen.py

@@ -119,9 +119,12 @@ def deletion_blockers(folder):
 
 
 def size(path):
+    """Size of a file or folder, readable: "830 B", "17 KB"."""
     if path.is_file():
-        return path.stat().st_size
-    return sum(p.stat().st_size for p in path.rglob("*") if p.is_file())
+        total = path.stat().st_size
+    else:
+        total = sum(p.stat().st_size for p in path.rglob("*") if p.is_file())
+    return f"{total} B" if total < 1024 else f"{total / 1024:.0f} KB"
 
 
 def confirm(question):
@@ -229,7 +232,7 @@ def main():
 
     print(f"\nArbeitsordner {folder}:")
     for entry in sorted(folder.iterdir()):
-        print(f"  {entry.name}{'/' if entry.is_dir() else ''}  ({size(entry) / 1024:.0f} KB)")
+        print(f"  {entry.name}{'/' if entry.is_dir() else ''}  ({size(entry)})")
     if not args.ja and not confirm(f"Arbeitsordner {folder} löschen? [j/N] "):
         print("Nicht gelöscht.")
         return