test(auth): add unit tests for KYC presigned upload and submit handlers

Cover GenerateKycUploadUrlsHandler (10 tests) and SubmitKycHandler (10 tests):
presigned URL flow, legacy file upload, status validation, error handling.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

libs/mcp-servers/src/nestjs/mcp-registry.service.ts

@@ -61,7 +61,7 @@ export class McpRegistryService implements OnModuleInit {
     this.servers.set(
       'reports',
       createReportsServer({
-        aiServiceBaseUrl: this.options.aiServiceBaseUrl,
+        apiBaseUrl: this.options.apiBaseUrl ?? this.options.aiServiceBaseUrl,
       }),
     );
   }

libs/mcp-servers/src/nestjs/mcp.module.ts

@@ -5,6 +5,8 @@ import { MCP_MODULE_OPTIONS } from './mcp.constants';
 
 export interface McpModuleOptions {
   aiServiceBaseUrl: string;
+  /** Base URL for the NestJS API (e.g. http://localhost:3001/api/v1). Used by MCP servers that call NestJS endpoints instead of the AI service. */
+  apiBaseUrl?: string;
   typesenseCollectionName?: string;
   /** When true, the built-in McpTransportController is NOT registered — useful when the host app provides its own authenticated controller. */
   skipDefaultController?: boolean;