feat(specialist): add specialist detail page with position management

- Add specialist detail page with unit relation
- Implement position management including CRUD operations
- Update specialist model to include unit relation
- Add list and detail components for specialist positions
- Create entry form for specialist positions
- Implement pagination and search for positions
- Add confirmation dialogs for delete operations

app/models/specialist.ts

@@ -1,9 +1,12 @@
-import { type Base, genBase } from "./_base"
+import { type Base, genBase } from './_base'
+import type { Unit } from './unit'
 
 export interface Specialist extends Base {
   code: string
   name: string
   unit_id?: number | string | null
+
+  unit?: Unit | null
 }
 
 export function genSpecialist(): Specialist {
@@ -11,6 +14,6 @@ export function genSpecialist(): Specialist {
     ...genBase(),
     code: '',
     name: '',
-    unit_id: 0
+    unit_id: 0,
   }
 }