fix: remove OAuthService from ApartmentService - cookies handle auth in BFF pattern

frontend/src/app/apartment.service.spec.ts

@@ -1,6 +1,5 @@
 import { TestBed } from '@angular/core/testing';
 import { HttpClient } from '@angular/common/http';
-import { OAuthService } from 'angular-oauth2-oidc';
 import { ApartmentService, Apartment } from './apartment.service';
 import { of } from 'rxjs';
 import { vi } from 'vitest';
@@ -8,7 +7,6 @@ import { vi } from 'vitest';
 describe('ApartmentService', () => {
   let service: ApartmentService;
   let mockHttpClient: any;
-  let mockOAuthService: any;
 
   beforeEach(() => {
     mockHttpClient = {
@@ -18,15 +16,10 @@ describe('ApartmentService', () => {
       delete: vi.fn().mockReturnValue(of({}))
     };
 
-    mockOAuthService = {
-      getAccessToken: () => 'mock-token'
-    };
-
     TestBed.configureTestingModule({
       providers: [
         ApartmentService,
-        { provide: HttpClient, useValue: mockHttpClient },
-        { provide: OAuthService, useValue: mockOAuthService }
+        { provide: HttpClient, useValue: mockHttpClient }
       ]
     });
 
@@ -46,7 +39,7 @@ describe('ApartmentService', () => {
     service.getApartments().subscribe(data => {
       expect(data).toEqual(mockApts);
     });
-    expect(mockHttpClient.get).toHaveBeenCalledWith('/api/apartments', expect.any(Object));
+    expect(mockHttpClient.get).toHaveBeenCalledWith('/api/apartments');
   });
 
   it('should call GET /api/apartments/:id', () => {
@@ -56,7 +49,7 @@ describe('ApartmentService', () => {
     service.getApartment('1').subscribe(data => {
       expect(data).toEqual(mockApt);
     });
-    expect(mockHttpClient.get).toHaveBeenCalledWith('/api/apartments/1', expect.any(Object));
+    expect(mockHttpClient.get).toHaveBeenCalledWith('/api/apartments/1');
   });
 
   it('should call POST /api/apartments', () => {
@@ -66,7 +59,7 @@ describe('ApartmentService', () => {
     service.createApartment(mockApt).subscribe(data => {
       expect(data.id).toBe('2');
     });
-    expect(mockHttpClient.post).toHaveBeenCalledWith('/api/apartments', mockApt, expect.any(Object));
+    expect(mockHttpClient.post).toHaveBeenCalledWith('/api/apartments', mockApt);
   });
 
   it('should call PUT /api/apartments/:id', () => {
@@ -76,11 +69,11 @@ describe('ApartmentService', () => {
     service.updateApartment('1', mockApt).subscribe(data => {
       expect(data.name).toBe('Updated Apt');
     });
-    expect(mockHttpClient.put).toHaveBeenCalledWith('/api/apartments/1', mockApt, expect.any(Object));
+    expect(mockHttpClient.put).toHaveBeenCalledWith('/api/apartments/1', mockApt);
   });
 
   it('should call DELETE /api/apartments/:id', () => {
     service.deleteApartment('1').subscribe();
-    expect(mockHttpClient.delete).toHaveBeenCalledWith('/api/apartments/1', expect.any(Object));
+    expect(mockHttpClient.delete).toHaveBeenCalledWith('/api/apartments/1');
   });
 });

frontend/src/app/apartment.service.ts

@@ -1,7 +1,6 @@
 import { Injectable, inject } from '@angular/core';
-import { HttpClient, HttpHeaders } from '@angular/common/http';
+import { HttpClient } from '@angular/common/http';
 import { Observable } from 'rxjs';
-import { OAuthService } from 'angular-oauth2-oidc';
 
 export interface Apartment {
   id?: string;
@@ -17,31 +16,24 @@ export interface Apartment {
 })
 export class ApartmentService {
   private readonly http = inject(HttpClient);
-  private readonly oauthService = inject(OAuthService);
-
-  private getHeaders(): HttpHeaders {
-    return new HttpHeaders({
-      'Authorization': 'Bearer ' + this.oauthService.getAccessToken()
-    });
-  }
 
   getApartments(): Observable<Apartment[]> {
-    return this.http.get<Apartment[]>('/api/apartments', { headers: this.getHeaders() });
+    return this.http.get<Apartment[]>('/api/apartments');
   }
 
   getApartment(id: string): Observable<Apartment> {
-    return this.http.get<Apartment>(`/api/apartments/${id}`, { headers: this.getHeaders() });
+    return this.http.get<Apartment>(`/api/apartments/${id}`);
   }
 
   createApartment(apartment: Apartment): Observable<Apartment> {
-    return this.http.post<Apartment>('/api/apartments', apartment, { headers: this.getHeaders() });
+    return this.http.post<Apartment>('/api/apartments', apartment);
   }
 
   updateApartment(id: string, apartment: Apartment): Observable<Apartment> {
-    return this.http.put<Apartment>(`/api/apartments/${id}`, apartment, { headers: this.getHeaders() });
+    return this.http.put<Apartment>(`/api/apartments/${id}`, apartment);
   }
 
   deleteApartment(id: string): Observable<void> {
-    return this.http.delete<void>(`/api/apartments/${id}`, { headers: this.getHeaders() });
+    return this.http.delete<void>(`/api/apartments/${id}`);
   }
 }