feat: implement purchase receipt items management with create, update, find, and delete functionalities

feat: add purchase receipts management with create, update, find, and delete functionalities

feat: implement sales invoice items management with create, update, find, and delete functionalities

feat: add sales invoices management with create, update, find, and delete functionalities

feat: implement stock adjustments management with create, update, find, and delete functionalities

feat: add stock balance retrieval functionality

feat: implement stock movements management with create, update, find, and delete functionalities

src/common/interfaces/response-models.ts

@@ -0,0 +1,34 @@
+export interface ShortEntity {
+  id: number
+  name: string
+}
+
+export interface PaginationMeta {
+  totalRecords: number
+  totalPages: number
+  page: number
+  perPage: number
+}
+
+export interface ResponseModel<T> {
+  data: T
+  meta?: PaginationMeta
+}
+
+export interface Envelope<T> {
+  statusCode: number
+  timestamp: string
+  path: string
+  data: T
+  meta?: PaginationMeta
+  errors?: string[]
+}
+
+// Generic GET response shapes used across modules
+// - GetListResponse: response for `GET /resources` (returns array + optional meta)
+// - GetSingleResponse: response for `GET /resources/:id` (returns single item)
+export type GetListResponse<T> = ResponseModel<T[]>
+export type GetSingleResponse<T> = ResponseModel<T>
+
+// Paginated response where data is the items array and meta contains pagination info
+export type PaginatedResponse<T> = ResponseModel<T[]>