Add tests and implementation for ServiceDetailPage and PriceInput components

- Implement PriceInput component tests to validate Persian and Arabic numeral handling, input formatting, and controlled behavior.
- Create ServiceDetailPage component with detailed service information, including pricing, insurance coverage, and editing capabilities.
- Add API tests for service item detail retrieval and coverage synchronization with insurance contracts.
- Ensure proper error handling and user feedback for service item retrieval and coverage management.

assets/admin/types/index.ts

@@ -514,6 +514,10 @@ export interface ServiceItem {
     uuid: string;
     name: string;
     price_rials: number;
+    section_uuid?: string;
+    section_name?: string;
+    created_at?: number;
+    updated_at?: number;
     /** primary staff (first member) — kept for backward compatibility */
     staff: { uuid: string; full_name: string } | null;
     /** all personnel assigned to this service */