feat(payment): add payment detail endpoint and update payment model with order_id and patient_name

feat(appointment): enhance appointment detail page with time formatting and additional info
fix(payment): update payment query to fetch from the correct endpoint and adjust response structure
docs(api): add search parameter to payments API documentation and detail response structure
test(payment): add unit test for MellatGateway to verify null credentials handling

assets/admin/types/index.ts

@@ -122,6 +122,9 @@ export interface Payment {
     appointment_uuid: string | null;
     paid_at: string | null;
     created_at: string;
+    order_id?: string;
+    patient_name?: string | null;
+    type?: string;
 }
 
 export type SettlementStatus = "pending" | "approved" | "rejected";