BugFixes bzgl. Observables, Logging Anpassungen, Endpunkt hardening, dotenv-flow usage

bizmatch/src/app/pages/listings/business-listings/business-listings.component.ts

@@ -2,6 +2,7 @@ import { CommonModule } from '@angular/common';
 import { ChangeDetectorRef, Component } from '@angular/core';
 import { FormsModule } from '@angular/forms';
 import { ActivatedRoute, Router, RouterModule } from '@angular/router';
+import { UntilDestroy, untilDestroyed } from '@ngneat/until-destroy';
 import dayjs from 'dayjs';
 import { BusinessListing } from '../../../../../../bizmatch-server/src/models/db.model';
 import { BusinessListingCriteria, LISTINGS_PER_PAGE, ListingType, emailToDirName } from '../../../../../../bizmatch-server/src/models/main.model';
@@ -12,7 +13,7 @@ import { ListingsService } from '../../../services/listings.service';
 import { SearchService } from '../../../services/search.service';
 import { SelectOptionsService } from '../../../services/select-options.service';
 import { getCriteriaStateObject } from '../../../utils/utils';
-
+@UntilDestroy()
 @Component({
   selector: 'app-business-listings',
   standalone: true,
@@ -51,7 +52,7 @@ export class BusinessListingsComponent {
   ) {
     this.criteria = getCriteriaStateObject('businessListings');
     this.init();
-    this.searchService.currentCriteria.subscribe(criteria => {
+    this.searchService.currentCriteria.pipe(untilDestroyed(this)).subscribe(criteria => {
       if (criteria && criteria.criteriaType === 'businessListings') {
         this.criteria = criteria as BusinessListingCriteria;
         this.search();