add admin interface, angular migration

src/app/services/admin/systemprofilefield.management.service.ts

@@ -0,0 +1,58 @@
+import { HttpClient, HttpParams } from '@angular/common/http';
+import { Injectable } from '@angular/core';
+import { Observable } from 'rxjs';
+import { environment } from 'src/environments/environment';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class SystemProfileFieldManagementService {
+
+  private apiUrl = environment.apiUrl + '/profiles/system';
+
+  constructor(private http: HttpClient) { }
+
+  /**
+   * Get system profile fields with pagination
+   * @param page Page number (default: 0)
+   * @param size Page size (default: 10)
+   */
+  getSystemProfileFields(page: number = 0, size: number = 10): Observable<any> {
+    let params = new HttpParams()
+      .set('page', page.toString())
+      .set('size', size.toString());
+    return this.http.get<any>(this.apiUrl, { params });
+  }
+
+  /**
+   * Get a specific system profile field by name
+   * @param name Field name
+   */
+  getByName(name: string): Observable<any> {
+    return this.http.get<any>(`${this.apiUrl}/${name}`);
+  }
+
+  /**
+   * Update a system profile field
+   * @param systemProfileField System profile field object
+   */
+  update(systemProfileField: any): Observable<any> {
+    return this.http.post<any>(this.apiUrl, systemProfileField);
+  }
+
+  /**
+   * Update multiple system profile fields
+   * @param systemProfileFields Array of system profile field objects
+   */
+  updateList(systemProfileFields: any[]): Observable<any[]> {
+    return this.http.post<any[]>(`${this.apiUrl}/list`, systemProfileFields);
+  }
+
+  /**
+   * Delete a system profile field
+   * @param name Field name
+   */
+  deleteByName(name: string): Observable<void> {
+    return this.http.delete<void>(`${this.apiUrl}/${name}`);
+  }
+}