website refactor

apps/website/lib/contracts/services/Service.ts

@@ -18,7 +18,6 @@
  * - They return Result<ApiDto, DomainError>
  */
 
-import { Result } from '@/lib/contracts/Result';
 
 /**
  * Domain error type for services
@@ -35,16 +34,19 @@ export type DomainError =
 
 /**
  * Service interface for orchestration operations
- * All service methods must return Result with domain errors
+ *
+ * Design Decision: Services with multiple methods CANNOT use a single generic type
+ * because each method may return different DTOs. Instead:
+ *
+ * 1. Single-method services (PageQueries, Mutations): Use Service<TApiDto, TError>
+ * 2. Multi-method services: Don't implement this interface, just follow the pattern
+ *
+ * All service methods must return Promise<Result<T, DomainError>> for type-safe error handling.
  *
  * Type Parameters:
  * - TApiDto: The API Transport DTO type returned on success
  * - TError: The domain error type (defaults to DomainError)
  */
-export interface Service<TApiDto = unknown, TError extends DomainError = DomainError> {
-  /**
-   * Execute a service operation
-   * Returns Result with API DTO or Domain Error
-   */
-  execute(...args: unknown[]): Promise<Result<TApiDto, TError>>;
+export interface Service {
+  // No specific methods - just a marker type
 }