view data fixes

apps/website/lib/contracts/builders/ViewDataBuilder.ts

@@ -12,17 +12,22 @@
  * - Must be named *ViewDataBuilder
  * - Must have 'use client' directive
  * - Must implement static build() method
+ * - Must use 'satisfies' for static type enforcement
  */
 
-import { JsonValue } from '../types/primitives';
 import { ViewData } from '../view-data/ViewData';
 
-export interface ViewDataBuilder<TDTO extends JsonValue, TViewData extends ViewData> {
-  /**
-   * Transform DTO into ViewData
-   *
-   * @param dto - API Transport DTO (JSON-serializable)
-   * @returns ViewData for template
-   */
-  build(dto: TDTO): TViewData;
+/**
+ * ViewData Builder Contract (Static)
+ *
+ * TDTO is constrained to object to ensure it is a serializable API DTO.
+ *
+ * Usage:
+ * export class MyViewDataBuilder {
+ *   static build(apiDto: MyDTO): MyViewData { ... }
+ * }
+ * MyViewDataBuilder satisfies ViewDataBuilder<MyDTO, MyViewData>;
+ */
+export interface ViewDataBuilder<TDTO extends object, TViewData extends ViewData> {
+  build(apiDto: TDTO): TViewData;
 }