Translate remaining internal log messages to English

- EBENEN: drawing levels updated, sublayer not found, saved/verified
- GESTALTUNG: Linetypes before/after, fill field, opened/focused
- CLIP: disabled done
- ELEMENTE: Bulk-op, Listener bail
- Global: not found, not available, unchanged, failed, present

rhino/library.py

@@ -698,7 +698,7 @@ def _read_3dm_geometry(abs_path):
     """Liest alle Top-Level-Objekte aus einer .3dm-Datei. Returns Liste von
     (GeometryBase, ObjectAttributes). Bei Fehler leere Liste."""
     if not abs_path or not os.path.isfile(abs_path):
-        print("[LIBRARY] _read_3dm: Datei nicht gefunden:", abs_path)
+        print("[LIBRARY] _read_3dm: Datei not found:", abs_path)
         return []
     try:
         from Rhino.FileIO import File3dm
@@ -840,7 +840,7 @@ def import_item(doc, item_id, at_point=None, layer2d=-1, layer3d=-1):
     symbol/object → InstanceDefinition im Doc via File3dm.Read.
     at_point + layer2d/3d nur fuer symbol/object."""
     item = find_item(item_id)
-    if item is None: return False, "Item nicht gefunden: " + str(item_id)
+    if item is None: return False, "Item not found: " + str(item_id)
     t = item.get("type")
     if t == "material":
         return import_material(doc, item)