bruno
755404fbb0
- Add sort_order column to pages table for drag & drop reordering
- Rewrite _sidebar_data with recursive _build_page_tree for nested hierarchy
- Add tree toggle buttons (▶ collapsed / ▼ expanded) on parent items
- Alpine.js expandedNodes state with toggleTreeNode() for expand/collapse
- Jinja2 recursive macro render_tree_item for proper nesting + indentation
- SortableJS integration on .sidebar-items for drag & drop repositioning
- New PUT /board/api/pages/{id}/move API for persisting moves
- Auto-set sort_order on page creation (max+1 for same parent)
- CSS: .tree-toggle, .tree-toggle-placeholder, grab cursor on page-icon
- 28/28 tests pass, all endpoints healthy