Revert "Fix segment object parenting and add Claude Code to .gitignore"

This reverts commit e1bf717af5.

.gitignore

@@ -115,8 +115,3 @@ dev_environment.bat
 
 src/ifcopenshell-python/ifcopenshell/express/*.exp
 src/ifcopenshell-python/ifcopenshell/express/*.exp.cache.dat
-
-# Claude Code
-.claude/
-.mcp.json
-CLAUDE.md

src/bonsai/bonsai/tool/alignment.py

@@ -571,7 +571,6 @@ class Alignment:
 
         mapped_segments = ifcopenshell.api.alignment.get_mapped_segments(segment)
         tool.Loader.load_settings()
-        obj = None
         for curve_segment in mapped_segments:
             if curve_segment is not None:
                 geometry = tool.Loader.create_generic_shape(curve_segment)
@@ -579,16 +578,7 @@ class Alignment:
                 mesh = ifc_importer.create_mesh(curve_segment, geometry)
                 obj = bpy.data.objects.new(tool.Loader.get_name(curve_segment), mesh)
                 tool.Ifc.link(curve_segment, obj)
-
-                # Parent to layout object for proper hierarchy
-                if parent_obj:
-                    obj.parent = parent_obj
-
-                # Assign to same collection as parent (avoid "Unsorted")
-                if parent_obj and parent_obj.users_collection:
-                    parent_obj.users_collection[0].objects.link(obj)
-                else:
-                    tool.Collector.assign(obj)
+                tool.Collector.assign(obj)
         return obj
 
     @classmethod