feat(frontend): section recommandations sur la vue détail d'un site

La vue détail pose app-recommendation-list restreint au site consulté (les
alertes sont demandées avec site_id) et renvoie vers la vue complète préfiltrée
sur ce site. Le spec fournit les deux services du composant enfant et vérifie le
filtre transmis.

apps/frontend/src/app/features/sites/site-detail/site-detail.html

@@ -81,5 +81,16 @@
     }
   }
 
+  <section class="recommendations-section">
+    <h2>Recommandations</h2>
+    <app-recommendation-list [siteId]="siteId() ?? null" [sites]="siteAsList()" />
+    <a
+      routerLink="/recommendations"
+      [queryParams]="{ site: siteId() }"
+      class="ev-link recommendations-section__link"
+      >Voir dans la vue recommandations</a
+    >
+  </section>
+
   <a routerLink="/sites" class="ev-link">Retour aux sites</a>
 </div>

apps/frontend/src/app/features/sites/site-detail/site-detail.scss

@@ -117,3 +117,12 @@ h2 {
 .chart-section {
   margin-bottom: 2rem;
 }
+
+.recommendations-section {
+  margin: 2.5rem 0 1.5rem;
+}
+
+.recommendations-section__link {
+  display: inline-block;
+  margin-top: 1rem;
+}

apps/frontend/src/app/features/sites/site-detail/site-detail.spec.ts

@@ -5,6 +5,8 @@ import { BehaviorSubject, of, throwError } from 'rxjs';
 import { SiteDetail } from './site-detail';
 import { SitesService } from '../../../core/services/sites.service';
 import { ReadingsService } from '../../../core/services/readings.service';
+import { AlertsService } from '../../../core/services/alerts.service';
+import { RecommendationsService } from '../../../core/services/recommendations.service';
 
 const SITE = {
   site_id: 'SITE001',
@@ -69,6 +71,7 @@ function setup(
   readingsMock: Partial<ReadingsService>,
 ) {
   const paramMap = new BehaviorSubject(convertToParamMap({ siteId }));
+  const getAlerts = vi.fn().mockReturnValue(of([]));
   TestBed.configureTestingModule({
     imports: [SiteDetail],
     providers: [
@@ -76,9 +79,14 @@ function setup(
       { provide: ActivatedRoute, useValue: { paramMap } },
       { provide: SitesService, useValue: sitesMock },
       { provide: ReadingsService, useValue: readingsMock },
+      { provide: AlertsService, useValue: { getAlerts } },
+      {
+        provide: RecommendationsService,
+        useValue: { getRecommendations: vi.fn().mockReturnValue(of([])) },
+      },
     ],
   });
-  return { fixture: TestBed.createComponent(SiteDetail), paramMap };
+  return { fixture: TestBed.createComponent(SiteDetail), paramMap, getAlerts };
 }
 
 describe('SiteDetail', () => {
@@ -261,6 +269,27 @@ describe('SiteDetail', () => {
     );
   });
 
+  it('demande les recommandations du site consulté à travers ses alertes', () => {
+    const { fixture, getAlerts } = setup(
+      'SITE001',
+      {
+        getSite: vi.fn().mockReturnValue(of(SITE)),
+        getCurrent: vi.fn().mockReturnValue(of(CURRENT_COMPLET)),
+      },
+      { getHistory: vi.fn().mockReturnValue(of([])) },
+    );
+
+    fixture.detectChanges();
+    fixture.detectChanges();
+
+    expect(getAlerts).toHaveBeenCalledWith({ site_id: 'SITE001' });
+    expect(fixture.nativeElement.querySelector('app-recommendation-list')).not.toBeNull();
+    expect(fixture.nativeElement.textContent).toContain('Recommandations');
+    expect(
+      fixture.nativeElement.querySelector('a[href="/recommendations?site=SITE001"]'),
+    ).not.toBeNull();
+  });
+
   it("annonce l'absence de mesure sans interroger l'historique quand timestamp est null", () => {
     const getHistory = vi.fn().mockReturnValue(of([]));
     const { fixture } = setup(

apps/frontend/src/app/features/sites/site-detail/site-detail.ts

@@ -13,6 +13,7 @@ import { Badge, BadgeTone } from '../../../shared/components/ui/badge/badge';
 import { Brand } from '../../../shared/components/ui/brand/brand';
 import { ConsumptionGauge } from '../../../shared/components/consumption-gauge/consumption-gauge';
 import { ReadingHistoryChart } from '../../../shared/components/reading-history-chart/reading-history-chart';
+import { RecommendationList } from '../../../shared/components/recommendation-list/recommendation-list';
 
 const UNAVAILABLE_MESSAGE = 'Détail du site indisponible, réessayez plus tard.';
 const NO_MEASUREMENT_MESSAGE = 'Aucune mesure remontée pour ce site.';
@@ -96,7 +97,16 @@ export interface MetricView {
 @Component({
   selector: 'app-site-detail',
   standalone: true,
-  imports: [RouterLink, Card, Alert, Badge, Brand, ConsumptionGauge, ReadingHistoryChart],
+  imports: [
+    RouterLink,
+    Card,
+    Alert,
+    Badge,
+    Brand,
+    ConsumptionGauge,
+    ReadingHistoryChart,
+    RecommendationList,
+  ],
   templateUrl: './site-detail.html',
   styleUrl: './site-detail.scss',
 })
@@ -117,6 +127,11 @@ export class SiteDetail {
 
   hasMeasurement = computed(() => this.current()?.timestamp != null);
 
+  siteAsList = computed<Site[]>(() => {
+    const site = this.site();
+    return site ? [site] : [];
+  });
+
   consumptionKw = computed(() => this.current()?.consumption_kw ?? null);
 
   consumptionLabel = computed(() => {