feat(:tree_view): add sub_group + file_leaf shapes (Wave 3.7 Class C extension, DRAFT, Pascal-review REQUIRED)#137

ty13r wants to merge 2 commits into

mainThe-Metagraph/ash_ui:mainfrom

claude/extension-tree-view-sub-group-file-leaf-wave-3-7The-Metagraph/ash_ui:claude/extension-tree-view-sub-group-file-leaf-wave-3-7Copy head branch name to clipboard