Draw and plan on SuperNet (SupaNet) Planner surfaces — Excalidraw whiteboards and free-form card boards. Use when the user wants to make a flowchart / diagram / mind-map, draw on a whiteboard, brain-dump ideas as draggable cards, prioritize by arranging cards, or read back what's on a board. Covers create/list/get/update_whiteboard (replace or append elements, with a label convenience), create_card_board / list_card_boards / get_card_board / add_cards, and filing boards into collections.
