Box the optional Process menu context and changed order command without changing identity or command semantics. Add opt-in actual WGPU readbacks to the split-event OA/SA reorder evaluator. Strict all-target lint, format and affected desktop paths pass; native acceptance follows.
Preserve the full-desktop-1 captured source. Qualified previews inspect their exact subject read-only; group movement preserves source order and other columns. Native acceptance and strict-lint payload-size corrections follow separately.