Polish: imperial, clear-bed, keyboard nudging, empty states (#18)

Co-authored-by: Steve Dudenhoeffer <[email protected]>

web/src/editor/kinds.ts

@@ -27,3 +27,8 @@ export const OBJECT_KINDS: KindDef[] = [
 export function kindDef(kind: string): KindDef | undefined {
   return OBJECT_KINDS.find((k) => k.kind === kind)
 }
+
+/** A human label for an object: its name, else its kind's label, else "Object". */
+export function objectDisplayName(o: { name: string; kind: string }): string {
+  return o.name || kindDef(o.kind)?.label || 'Object'
+}