website refactor

apps/website/lib/contracts/presenters/Presenter.ts

@@ -0,0 +1,21 @@
+/**
+ * Presenter contract
+ * 
+ * Pure, deterministic transformation between presentation models.
+ * 
+ * Based on PRESENTERS.md:
+ * - Deterministic
+ * - Side-effect free
+ * - No HTTP/API calls
+ * - Maps between Page DTO, ViewModel, and ViewData
+ */
+
+export interface Presenter<TInput, TOutput> {
+  /**
+   * Transform input to output
+   * 
+   * @param input - The input presentation model (Page DTO, ViewModel, etc.)
+   * @returns The output presentation model (ViewModel, ViewData, etc.)
+   */
+  present(input: TInput): TOutput;
+}