Sprint 9: add tenant-driven API resolution layer

src/app/app.ts

@@ -2,19 +2,18 @@
 import { Component, OnInit, signal, ApplicationRef, inject, DestroyRef } from '@angular/core';
 import { Router, RouterOutlet, NavigationEnd } from '@angular/router';
 import { Title } from '@angular/platform-browser';
-import { HttpClient } from '@angular/common/http';
 import { HeaderComponent } from './components/header/header.component';
 import { FooterComponent } from './components/footer/footer.component';
 import { BackButtonComponent } from './components/back-button/back-button.component';
 import { interval, concat } from 'rxjs';
 import { filter, first } from 'rxjs/operators';
 import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
-import { environment } from '../environments/environment';
 import { SwUpdate } from '@angular/service-worker';
 import { TranslatePipe } from './i18n/translate.pipe';
 import { TranslateService } from './i18n/translate.service';
 import { PlatformRuntimeService } from './core/runtime/platform-runtime.service';
 import { UiRuntimeFacade } from './facades/runtime/ui-runtime.facade';
+import { ApiHealthService } from './services/api-health.service';
 
 @Component({
   selector: 'app-root',
@@ -29,7 +28,6 @@ export class App implements OnInit {
   serverAvailable = signal(false);
 
   private destroyRef = inject(DestroyRef);
-  private http = inject(HttpClient);
   private titleService = inject(Title);
   private swUpdate = inject(SwUpdate);
   private appRef = inject(ApplicationRef);
@@ -37,6 +35,7 @@ export class App implements OnInit {
   private i18n = inject(TranslateService);
   private platformRuntime = inject(PlatformRuntimeService);
   private uiRuntime = inject(UiRuntimeFacade);
+  private apiHealth = inject(ApiHealthService);
 
   ngOnInit(): void {
     this.platformRuntime.initialize();
@@ -61,7 +60,7 @@ export class App implements OnInit {
 
   private checkServerHealth(): void {
     this.checkingServer.set(true);
-    this.http.get<{ message: string }>(`${environment.apiUrl}/ping`)
+    this.apiHealth.ping()
       .pipe(takeUntilDestroyed(this.destroyRef))
       .subscribe({
         next: () => {