React · SwiftUI · agent guides
Block silhouette
A block seen from far away: below the far-zoom threshold the canvas draws one flat, cheap shape per block that still says its kind (text bars, a dark code card, a link's tinted glass, a colour, a light file plate, a region's tray and name).
Use it for
- Every block on the canvas when the zoom is below the far-zoom threshold (the core's lod_policy, 0.35). The canvas swaps blocks for silhouettes on the camera commit, never in the middle of a gesture.
Don't use it for
- Loading placeholders or skeletons. A silhouette is a real block, seen from far.
Read the Block silhouette agent guide · Copy registry source