A drawn shape box (rect / ellipse / diamond) with an optional label + sub-label.
Who placed the item. Drives the ownership chrome (chips / violet vs slate-amber).
Stable item id (e.g. sticky-3) — referenced by connectors, deltas and agent tools.
sticky-3
Optional
Render order (higher renders on top). Assigned by the engine.
A drawn shape box (rect / ellipse / diamond) with an optional label + sub-label.