Add workshops CMS API with schedule, registrations, and public storefront routes.

Includes SQL migrations, Prisma models, dashboard CRUD, registration status workflow, and website OpenAPI updates for workshop listing and signup.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/business-settings/business-settings.types.ts

@@ -118,6 +118,7 @@ export const BUSINESS_DASHBOARD_MODULE_IDS = [
   'warehouse',
   'videos',
   'instructions',
+  'workshops',
   'finance',
 ] as const;
 
@@ -188,13 +189,19 @@ export const DEFAULT_ORDER_PROCESS_STEPS: OrderProcessStep[] = [
   },
 ];
 
+/** Modules enabled when a new business is created (super-admin). */
+export const DEFAULT_NEW_BUSINESS_MODULES: BusinessModuleId[] = [
+  'products',
+  'blog',
+  'finance',
+];
+
 /**
  * Existing tenants without `settings.modules` keep every business-dashboard module
- * enabled. Customer modules stay opt-in.
+ * enabled except opt-in modules. Customer modules stay opt-in.
  */
-export const DEFAULT_ENABLED_BUSINESS_MODULES: BusinessModuleId[] = [
-  ...BUSINESS_DASHBOARD_MODULE_IDS,
-];
+export const DEFAULT_ENABLED_BUSINESS_MODULES: BusinessModuleId[] =
+  BUSINESS_DASHBOARD_MODULE_IDS.filter((id) => id !== 'workshops');
 
 export const DEFAULT_HOME_CHARTS: [HomeChartId, HomeChartId] = [
   'orders_30d',