ugh

lib/config/builder/value.ts

@@ -145,6 +145,7 @@ export class Value<A extends ValueSpec> extends IBuilder<A> {
       name: string;
       description: string | null;
       warning: string | null;
+      selectKey: string;
       variants: Variants<{ [key: string]: { name: string; spec: InputSpec } }>;
       nullable: boolean;
       default: string | null;

lib/config/config-types.ts

@@ -66,6 +66,7 @@ export interface ValueSpecBoolean extends WithStandalone {
 
 export interface ValueSpecUnion extends WithStandalone {
   type: "union";
+  selectKey: string;
   nullable: boolean;
   variants: Record<string, { name: string; spec: InputSpec }>;
 }