Add website view analytics for dashboard traffic charts.

Track storefront views via POST /tenants/{domain}/analytics/views, expose business activity API, and add product/website/portfolio/blog 30-day chart types for super-admin selection.

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

src/website-analytics/dto/view-activity-query.dto.ts

@@ -0,0 +1,15 @@
+import { Type } from 'class-transformer';
+import { IsIn, IsInt, IsOptional, Max, Min } from 'class-validator';
+import { WEBSITE_VIEW_KINDS, type WebsiteViewKind } from '../website-analytics.types';
+
+export class ViewActivityQueryDto {
+  @IsIn([...WEBSITE_VIEW_KINDS])
+  kind!: WebsiteViewKind;
+
+  @IsOptional()
+  @Type(() => Number)
+  @IsInt()
+  @Min(1)
+  @Max(90)
+  days?: number;
+}