feat: add tenant content management features for superadmin

- Implemented API endpoints for listing tenant contents and updating content status.
- Added Swagger documentation for new endpoints:
  - GET /super/v1/tenants/{tenantID}/contents
  - PATCH /super/v1/tenants/{tenantID}/contents/{contentID}/status
- Created DTOs for content item and status update form.
- Enhanced frontend to support content management in the tenant detail page.
- Added search and filter functionalities for tenant contents.
- Implemented unpublish functionality with confirmation dialog.
- Updated service layer to handle new content management logic.

backend/app/http/super/tenant_content.go

@@ -0,0 +1,30 @@
+package super
+
+import (
+	"quyun/v2/app/http/super/dto"
+	"quyun/v2/app/requests"
+	"quyun/v2/app/services"
+
+	"github.com/gofiber/fiber/v3"
+)
+
+// contents
+//
+//	@Summary	租户内容列表（平台侧）
+//	@Tags		Super
+//	@Accept		json
+//	@Produce	json
+//	@Param		tenantID	path	int64					true	"TenantID"
+//	@Param		filter		query	dto.TenantContentFilter	true	"Filter"
+//	@Success	200			{object}	requests.Pager{items=dto.SuperTenantContentItem}
+//
+//	@Router		/super/v1/tenants/:tenantID<int>/contents [get]
+//	@Bind		tenantID path
+//	@Bind		filter query
+func (*tenant) contents(ctx fiber.Ctx, tenantID int64, filter *dto.TenantContentFilter) (*requests.Pager, error) {
+	if filter == nil {
+		filter = &dto.TenantContentFilter{}
+	}
+	filter.Pagination.Format()
+	return services.Content.SuperTenantContentsPage(ctx, tenantID, filter)
+}