feat(models): add employee relation to position interfaces

Add optional Employee type to specialist, installation and subspecialist position interfaces to support employee relation in the data model.

app/models/installation-position.ts

@@ -1,4 +1,5 @@
 import { type Base, genBase } from './_base'
+import type { Employee } from './employee'
 
 export interface InstallationPosition extends Base {
   installation_id: number
@@ -6,6 +7,8 @@ export interface InstallationPosition extends Base {
   name: string
   headStatus?: boolean
   employee_id?: number
+
+  employee?: Employee | null
 }
 
 export function genInstallationPosition(): InstallationPosition {

app/models/specialist-position.ts

@@ -1,4 +1,5 @@
 import { type Base, genBase } from './_base'
+import type { Employee } from './employee'
 
 export interface SpecialistPosition extends Base {
   specialist_id: number
@@ -6,6 +7,7 @@ export interface SpecialistPosition extends Base {
   name: string
   headStatus?: boolean
   employee_id?: number
+  employee?: Employee | null
 }
 
 export function genSpecialistPosition(): SpecialistPosition {

app/models/subspecialist-position.ts

@@ -1,4 +1,5 @@
 import { type Base, genBase } from './_base'
+import type { Employee } from './employee'
 
 export interface SubSpecialistPosition extends Base {
   subspecialist_id: number
@@ -6,6 +7,8 @@ export interface SubSpecialistPosition extends Base {
   name: string
   headStatus?: boolean
   employee_id?: number
+
+  employee?: Employee | null
 }
 
 export function genSubSpecialistPosition(): SubSpecialistPosition {