docs(frontend): documente la vue recommandations

Route, paramètres ?site= et ?alert=, jointure côté client et sa raison (pas de
site_id sur une recommandation, aucun filtre sur GET /recommendations,
/alerts non paginé), génération réservée aux admins, points d'entrée.

.github/workflows/sonarqube.yml

@@ -5,11 +5,15 @@ on:
     paths:
       - "apps/frontend/**"
       - "apps/backend/**"
+      - "ml/**"
+      - "etl/airflow/**"
       - ".github/workflows/sonarqube.yml"
   pull_request:
     paths:
       - "apps/frontend/**"
       - "apps/backend/**"
+      - "ml/**"
+      - "etl/airflow/**"
       - ".github/workflows/sonarqube.yml"
 
 
@@ -108,8 +112,36 @@ jobs:
           name: backend-coverage
           path: apps/backend/coverage.xml
 
+  test-ml:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - name: Installe uv
+        uses: astral-sh/setup-uv@v5
+        with:
+          enable-cache: true
+          cache-dependency-glob: ml/uv.lock
+
+      - name: Installe l'interpréteur déclaré par .python-version
+        run: uv python install
+        working-directory: ml
+
+      - name: Synchronise les dépendances sans dévier du verrou
+        run: uv sync --all-groups --frozen
+        working-directory: ml
+
+      - name: Lancement des tests et génération du rapport de couverture (ML)
+        run: uv run pytest --cov-report=xml
+        working-directory: ml
+
+      - name: Upload coverage
+        uses: actions/upload-artifact@v4
+        with:
+          name: ml-coverage
+          path: ml/coverage.xml
+
   sonarqube:
-    needs: [build-front, build-back, test-front, test-back]
+    needs: [build-front, build-back, test-front, test-back, test-ml]
     name: SonarQube
     runs-on: ubuntu-latest
     steps:
@@ -126,6 +158,11 @@ jobs:
         with:
           name: backend-coverage
           path: apps/backend
+      - name: Téléchargement du rapport de couverture (ML)
+        uses: actions/download-artifact@v4
+        with:
+          name: ml-coverage
+          path: ml
       - name: SonarQube Scan
         uses: SonarSource/sonarqube-scan-action@v8
         env:

apps/backend/Dockerfile

@@ -11,13 +11,14 @@ WORKDIR /app
 RUN --mount=type=cache,target=/root/.cache/uv \
     --mount=type=bind,source=uv.lock,target=uv.lock \
     --mount=type=bind,source=pyproject.toml,target=pyproject.toml \
-    uv sync --locked --no-install-project --no-dev
+    uv sync --locked --no-install-project --no-dev --no-build
 
+# Le projet lui-meme n'est pas installe (pas de second `uv sync`) : il tourne depuis /app, le
+# repertoire de travail, et rien ne lit ses metadonnees. L'installer imposerait de le construire
+# (backend hatchling), donc de retirer `--no-build` de l'etape ci-dessus, qui garantit que
+# l'installation des dependances n'execute aucun script de build (regle Sonar docker:S8541).
 COPY . /app
 
-RUN --mount=type=cache,target=/root/.cache/uv \
-    uv sync --locked --no-dev
-
 
 FROM python:3.14-slim AS runtime
 

apps/backend/tests/db/test_data_schema.py

@@ -112,8 +112,10 @@ async def test_duplicate_reading_is_rejected_when_key_matches(
     )
     await data_connection.execute(statement)
 
+    savepoint = data_connection.begin_nested()
+
     with pytest.raises(IntegrityError):
-        async with data_connection.begin_nested():
+        async with savepoint:
             await data_connection.execute(statement)
 
 
@@ -147,9 +149,12 @@ async def test_invalid_reading_is_rejected_when_constraints_fail(
     }
     values.update(changes)
 
+    statement = insert(Reading).values(**values)
+    savepoint = data_connection.begin_nested()
+
     with pytest.raises(IntegrityError):
-        async with data_connection.begin_nested():
+        async with savepoint:
-            await data_connection.execute(insert(Reading).values(**values))
+            await data_connection.execute(statement)
 
 
 async def test_prediction_requires_period_when_energy_is_predicted(
@@ -164,8 +169,10 @@ async def test_prediction_requires_period_when_energy_is_predicted(
         model_reference="test-model/1",
     )
 
+    savepoint = data_connection.begin_nested()
+
     with pytest.raises(IntegrityError):
-        async with data_connection.begin_nested():
+        async with savepoint:
             await data_connection.execute(statement)
 
 
@@ -212,21 +219,22 @@ async def test_alert_rejects_prediction_when_site_differs(
         )
     ).scalar_one()
 
+    statement = insert(Alert).values(
+        source_alert_id=str(uuid4()),
+        site_id=other_site,
+        source="enervision",
+        timestamp=MOMENT,
+        type="spike",
+        severity="high",
+        message="Test",
+        prediction_id=prediction_id,
+        raw_data={},
+    )
+    savepoint = data_connection.begin_nested()
+
     with pytest.raises(IntegrityError):
-        async with data_connection.begin_nested():
+        async with savepoint:
-            await data_connection.execute(
+            await data_connection.execute(statement)
-                insert(Alert).values(
-                    source_alert_id=str(uuid4()),
-                    site_id=other_site,
-                    source="enervision",
-                    timestamp=MOMENT,
-                    type="spike",
-                    severity="high",
-                    message="Test",
-                    prediction_id=prediction_id,
-                    raw_data={},
-                )
-            )
 
 
 async def test_recommendation_is_unique_when_alert_and_rule_match(
@@ -256,6 +264,8 @@ async def test_recommendation_is_unique_when_alert_and_rule_match(
     )
     await data_connection.execute(statement)
 
+    savepoint = data_connection.begin_nested()
+
     with pytest.raises(IntegrityError):
-        async with data_connection.begin_nested():
+        async with savepoint:
             await data_connection.execute(statement)

apps/backend/tests/etl/test_historical_import.py

@@ -106,13 +106,15 @@ def test_validate_source_accepts_valid_dataset():
 def test_validate_source_rejects_missing_column():
     frame = make_dataframe().drop(columns=["consumption_kwh"])
 
+    metadata = make_metadata()
+
     with pytest.raises(
         ValueError,
         match="Colonnes obligatoires absentes",
     ):
         validate_source(
             frame,
-            make_metadata(),
+            metadata,
         )
 
 
@@ -124,13 +126,15 @@ def test_validate_source_rejects_duplicates():
         "timestamp",
     ]
 
+    metadata = make_metadata()
+
     with pytest.raises(
         ValueError,
         match="doublons",
     ):
         validate_source(
             frame,
-            make_metadata(),
+            metadata,
         )
 
 
@@ -139,13 +143,15 @@ def test_validate_source_rejects_unknown_site():
 
     frame.loc[1, "site_id"] = "SITE999"
 
+    metadata = make_metadata()
+
     with pytest.raises(
         ValueError,
         match="Sites incohérents",
     ):
         validate_source(
             frame,
-            make_metadata(),
+            metadata,
         )
 
 

apps/backend/tests/repositories/test_audit_log.py

@@ -49,8 +49,10 @@ async def test_the_database_refuses_to_mutate_the_audit_log(
 ) -> None:
     await une_ligne(session)
 
+    requete = text(instruction)
+
     with pytest.raises(DBAPIError, match="ajout seul"):
-        await session.execute(text(instruction))
+        await session.execute(requete)
     await session.rollback()
 
 

apps/backend/tests/repositories/test_password_reset_token.py

@@ -131,11 +131,14 @@ async def test_the_database_refuses_two_tokens_sharing_a_fingerprint(
         user_agent=None,
     )
 
+    empreinte = fingerprint_refresh(secret)
+    expiration = datetime.now(UTC) + DUREE
+
     with pytest.raises(IntegrityError):
         await depot.create(
             user_id=compte,
-            token_hash=fingerprint_refresh(secret),
+            token_hash=empreinte,
-            expires_at=datetime.now(UTC) + DUREE,
+            expires_at=expiration,
             client_ip=None,
             user_agent=None,
         )

apps/backend/tests/repositories/test_refresh_token.py

@@ -178,12 +178,16 @@ async def test_the_database_refuses_two_tokens_sharing_a_fingerprint(
         user_agent=None,
     )
 
+    famille = uuid.uuid4()
+    empreinte = fingerprint_refresh(secret)
+    expiration = datetime.now(UTC) + DUREE
+
     with pytest.raises(IntegrityError):
         await depot.create(
             user_id=compte,
-            family_id=uuid.uuid4(),
+            family_id=famille,
-            token_hash=fingerprint_refresh(secret),
+            token_hash=empreinte,
-            expires_at=datetime.now(UTC) + DUREE,
+            expires_at=expiration,
             client_ip=None,
             user_agent=None,
         )

apps/backend/tests/repositories/test_user.py

@@ -31,14 +31,12 @@ async def test_the_database_refuses_an_email_written_in_upper_case(
 ) -> None:
     saisie = adresse().upper()
 
+    requete = text(
+        "insert into app_user (email, password_hash, role) values (:e, '$argon2id$x', 'lecteur')"
+    )
+
     with pytest.raises(IntegrityError):
-        await session.execute(
+        await session.execute(requete, {"e": saisie})
-            text(
-                "insert into app_user (email, password_hash, role) "
-                "values (:e, '$argon2id$x', 'lecteur')"
-            ),
-            {"e": saisie},
-        )
     await session.rollback()
 
 

apps/backend/tests/services/test_reading.py

@@ -116,13 +116,11 @@ async def test_list_history_normalizes_naive_datetimes_to_utc() -> None:
 async def test_list_history_raises_when_start_is_after_end() -> None:
     service = ReadingService(readings=FakeRepository([]))
 
+    debut = datetime(2026, 9, 2, tzinfo=UTC)
+    fin = datetime(2026, 9, 1, tzinfo=UTC)
+
     with pytest.raises(FenetreInverseeError):
-        await service.list_history(
+        await service.list_history(start=debut, end=fin, limit=500, offset=0)
-            start=datetime(2026, 9, 2, tzinfo=UTC),
-            end=datetime(2026, 9, 1, tzinfo=UTC),
-            limit=500,
-            offset=0,
-        )
 
 
 async def test_list_history_raises_when_start_equals_end() -> None:

apps/backend/tests/services/test_user.py

@@ -235,5 +235,7 @@ async def test_every_operation_refuses_an_unknown_account(action: str) -> None:
     if action == "set_active":
         arguments["is_active"] = False
 
+    methode = getattr(attirail.service, action)
+
     with pytest.raises(UserNotFoundError):
-        await getattr(attirail.service, action)(**arguments)
+        await methode(**arguments)

apps/backend/tests/test_cli.py

@@ -19,13 +19,17 @@ def test_build_parser_reads_the_create_admin_arguments() -> None:
 
 
 def test_build_parser_requires_a_subcommand() -> None:
+    parser = cli.build_parser()
+
     with pytest.raises(SystemExit):
-        cli.build_parser().parse_args([])
+        parser.parse_args([])
 
 
 def test_build_parser_requires_an_email() -> None:
+    parser = cli.build_parser()
+
     with pytest.raises(SystemExit):
-        cli.build_parser().parse_args(["create-admin"])
+        parser.parse_args(["create-admin"])
 
 
 def test_read_password_generates_a_long_secret_when_asked(

apps/frontend/TESTING.md

@@ -1,4 +1,4 @@
-# Conventions de tests unitaires — Frontend
+# Conventions de tests unitaires : Frontend
 
 ## Outil
 Vitest (intégré nativement à Angular CLI, pas d'installation à faire).
@@ -83,3 +83,6 @@ describe('MonComposant', () => {
 ## Lancer les tests
 - Développement (mode watch) : `npm test`
 - Rapport de couverture (CI) : `npm run test:ci -- --coverage`, puis ouvrir `coverage/index.html`
+- Un fichier ou un dossier seulement :
+  `npx ng test --watch=false --coverage=false --include=src/app/core/services/alerts.service.spec.ts`
+  (répéter `--include` pour plusieurs cibles ; un dossier joue tous ses specs)

apps/frontend/src/app/app.routes.ts

@@ -1,21 +1,36 @@
 import { Routes } from '@angular/router';
-import {authGuard} from './core/guards/auth-guard';
+import { authGuard } from './core/guards/auth-guard';
 
 export const routes: Routes = [
   { path: '', redirectTo: 'dashboard', pathMatch: 'full' },
-  { path: 'login', loadComponent: () => import('./features/auth/login/login').then(m => m.Login) },
+  {
-  { path: 'change-password', loadComponent: () => import('./features/auth/change-password/change-password').then(m => m.ChangePassword) },
+    path: 'login',
-  { path: 'forgot-password', loadComponent: () => import('./features/auth/forgot-password/forgot-password').then(m => m.ForgotPassword) },
+    loadComponent: () => import('./features/auth/login/login').then((m) => m.Login),
-  { path: 'reset-password', loadComponent: () => import('./features/auth/reset-password/reset-password').then(m => m.ResetPassword) },
+  },
+  {
+    path: 'change-password',
+    loadComponent: () =>
+      import('./features/auth/change-password/change-password').then((m) => m.ChangePassword),
+  },
+  {
+    path: 'forgot-password',
+    loadComponent: () =>
+      import('./features/auth/forgot-password/forgot-password').then((m) => m.ForgotPassword),
+  },
+  {
+    path: 'reset-password',
+    loadComponent: () =>
+      import('./features/auth/reset-password/reset-password').then((m) => m.ResetPassword),
+  },
   {
     path: 'dashboard',
     canActivate: [authGuard],
-    loadComponent: () => import('./features/dashboard/dashboard').then(m => m.Dashboard),
+    loadComponent: () => import('./features/dashboard/dashboard').then((m) => m.Dashboard),
   },
   {
     path: 'sites',
     canActivate: [authGuard],
-    loadComponent: () => import('./features/sites/site-list/site-list').then(m => m.SiteList),
+    loadComponent: () => import('./features/sites/site-list/site-list').then((m) => m.SiteList),
   },
   {
     path: 'sites/:siteId',
@@ -23,6 +38,12 @@ export const routes: Routes = [
     loadComponent: () =>
       import('./features/sites/site-detail/site-detail').then((m) => m.SiteDetail),
   },
+  {
+    path: 'recommendations',
+    canActivate: [authGuard],
+    loadComponent: () =>
+      import('./features/recommendations/recommendations').then((m) => m.RecommendationsView),
+  },
   {
     path: 'monitoring/sensors',
     canActivate: [authGuard],

apps/frontend/src/app/core/mocks/alerts.fixture.ts

@@ -2,53 +2,63 @@ import { Alert } from '../../shared/models/alert.model';
 
 export const ALERTS_FIXTURE: Alert[] = [
   {
-    alert_id: 'ALR-SITE002-1718458320',
+    alert_id: 5,
-    timestamp: '2026-09-15T11:12:00',
     site_id: 'SITE002',
+    timestamp: '2026-09-15T11:12:00Z',
+    type: 'threshold',
     severity: 'critical',
-    type: 'outage',
+    message: 'Puissance appelée 812.5 kW au-dessus de la capacité du site (720.0 kW)',
-    message: 'Risque de surcharge sur Usine Lyon Vénissieux',
     value: 812.5,
     threshold: 720.0,
+    metric: 'consumption_kw',
+    prediction_id: null,
   },
   {
-    alert_id: 'ALR-SITE003-1718458321',
+    alert_id: 4,
-    timestamp: '2026-09-15T11:05:00',
     site_id: 'SITE003',
+    timestamp: '2026-09-15T11:05:00Z',
+    type: 'outage',
     severity: 'critical',
-    type: 'sensor',
+    message: 'Aucune lecture depuis 5:00:00 (dernière lecture : 2026-09-15T06:05:00+00:00)',
-    message: 'Perte réseau totale sur Data Center Marseille',
+    value: null,
-    value: 0,
+    threshold: null,
-    threshold: 0,
+    metric: null,
+    prediction_id: null,
   },
   {
-    alert_id: 'ALR-SITE005-1718458322',
+    alert_id: 3,
-    timestamp: '2026-09-15T10:47:00',
     site_id: 'SITE005',
+    timestamp: '2026-09-15T10:47:00Z',
+    type: 'spike',
     severity: 'high',
-    type: 'threshold',
+    message: 'Variation brutale entre deux lectures consécutives (260.0 kW -> 410.0 kW)',
-    message: 'Usine Toulouse approche de son seuil de capacité',
     value: 410.0,
-    threshold: 480.0,
+    threshold: 260.0,
+    metric: 'consumption_kw',
+    prediction_id: null,
   },
   {
-    alert_id: 'ALR-SITE006-1718458323',
+    alert_id: 2,
-    timestamp: '2026-09-15T10:30:00',
     site_id: 'SITE006',
-    severity: 'medium',
+    timestamp: '2026-09-15T10:30:00Z',
     type: 'sensor',
-    message: 'Capteur de température défaillant sur Bureau Lille',
+    severity: 'medium',
-    value: 0,
+    message: 'Qualité de mesure degraded (capteur hors ligne, valeur nulle)',
-    threshold: 0,
+    value: null,
+    threshold: null,
+    metric: null,
+    prediction_id: null,
   },
   {
-    alert_id: 'ALR-SITE004-1718458324',
+    alert_id: 1,
-    timestamp: '2026-09-15T09:58:00',
     site_id: 'SITE004',
-    severity: 'low',
+    timestamp: '2026-09-15T09:58:00Z',
     type: 'anomaly',
-    message: 'Comportement de consommation inhabituel sur Bureau Bordeaux',
+    severity: 'low',
+    message: 'Écart de 13% entre la consommation mesurée (62.0 kWh) et la prévision (55.0 kWh)',
     value: 62.0,
     threshold: 55.0,
+    metric: 'consumption_kwh',
+    prediction_id: 42,
   },
 ];

apps/frontend/src/app/core/services/alerts.service.spec.ts

@@ -3,6 +3,20 @@ import { provideHttpClient } from '@angular/common/http';
 import { provideHttpClientTesting, HttpTestingController } from '@angular/common/http/testing';
 import { AlertsService } from './alerts.service';
 import { environment } from '../../../environments/environment';
+import { Alert } from '../../shared/models/alert.model';
+
+const ALERT_API: Alert = {
+  alert_id: 1,
+  site_id: 'site-1',
+  timestamp: '2026-09-16T00:00:00Z',
+  type: 'threshold',
+  severity: 'high',
+  message: 'Dépassement du seuil configuré',
+  value: 812.5,
+  threshold: 720.0,
+  metric: 'consumption_kw',
+  prediction_id: null,
+};
 
 describe('AlertsService', () => {
   let service: AlertsService;
@@ -18,26 +32,35 @@ describe('AlertsService', () => {
 
   afterEach(() => httpMock.verify());
 
-  it("appelle le bon endpoint et retourne un tableau d'alertes", () => {
+  it("appelle le bon endpoint sans paramètre et retourne un tableau d'alertes", () => {
-    let result: unknown;
+    let result: Alert[] = [];
     service.getAlerts().subscribe((r) => (result = r));
 
-    const req = httpMock.expectOne(`${environment.apiUrl}/alerts`);
+    const req = httpMock.expectOne(
-    expect(req.request.method).toBe('GET');
+      (r) => r.url === `${environment.apiUrl}/alerts` && r.method === 'GET',
+    );
+    expect(req.request.params.keys()).toEqual([]);
+    req.flush([ALERT_API]);
 
-    req.flush([
+    expect(result.length).toBe(1);
-      {
+    expect(result[0].alert_id).toBe(1);
-        alert_id: 'ALR-TEST-1',
+    expect(result[0].prediction_id).toBeNull();
-        timestamp: '2026-09-15T12:00:00',
+  });
-        site_id: 'SITE001',
-        severity: 'high',
-        type: 'threshold',
-        message: 'Test',
-        value: 100,
-        threshold: 90,
-      },
-    ]);
 
-    expect((result as unknown[]).length).toBe(1);
+  it('transmet les filtres site_id et severity en paramètres de requête', () => {
+    service.getAlerts({ site_id: 'SITE001', severity: 'high' }).subscribe();
+
+    const req = httpMock.expectOne((r) => r.url === `${environment.apiUrl}/alerts`);
+    expect(req.request.params.get('site_id')).toBe('SITE001');
+    expect(req.request.params.get('severity')).toBe('high');
+    req.flush([]);
+  });
+
+  it('ne pose pas de paramètre pour un filtre omis', () => {
+    service.getAlerts({ site_id: 'SITE001' }).subscribe();
+
+    const req = httpMock.expectOne((r) => r.url === `${environment.apiUrl}/alerts`);
+    expect(req.request.params.has('severity')).toBe(false);
+    req.flush([]);
   });
 });

apps/frontend/src/app/core/services/alerts.service.ts

@@ -1,13 +1,25 @@
 import { Service, inject } from '@angular/core';
-import { HttpClient } from '@angular/common/http';
+import { HttpClient, HttpParams } from '@angular/common/http';
 import { environment } from '../../../environments/environment';
-import { Alert } from '../../shared/models/alert.model';
+import { Alert, AlertSeverity } from '../../shared/models/alert.model';
+
+export interface AlertFilters {
+  site_id?: string;
+  severity?: AlertSeverity;
+}
 
 @Service()
 export class AlertsService {
   private http = inject(HttpClient);
 
-  getAlerts() {
+  getAlerts(filters: AlertFilters = {}) {
-    return this.http.get<Alert[]>(`${environment.apiUrl}/alerts`);
+    let params = new HttpParams();
+    if (filters.site_id) {
+      params = params.set('site_id', filters.site_id);
+    }
+    if (filters.severity) {
+      params = params.set('severity', filters.severity);
+    }
+    return this.http.get<Alert[]>(`${environment.apiUrl}/alerts`, { params });
   }
 }

apps/frontend/src/app/core/services/recommendations.service.spec.ts

@@ -0,0 +1,74 @@
+import { TestBed } from '@angular/core/testing';
+import { provideHttpClient } from '@angular/common/http';
+import { provideHttpClientTesting, HttpTestingController } from '@angular/common/http/testing';
+import { RecommendationsService } from './recommendations.service';
+import { environment } from '../../../environments/environment';
+import { Recommendation } from '../../shared/models/recommendation.model';
+
+const RECOMMANDATION_API: Recommendation = {
+  recommendation_id: 1,
+  alert_id: 1,
+  action: 'Vérifier la consommation',
+  explanation: 'Pic détecté',
+  rule_reference: 'spike-v1',
+  created_at: '2024-01-01T00:00:00Z',
+};
+
+describe('RecommendationsService', () => {
+  let service: RecommendationsService;
+  let httpMock: HttpTestingController;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      providers: [provideHttpClient(), provideHttpClientTesting()],
+    });
+    service = TestBed.inject(RecommendationsService);
+    httpMock = TestBed.inject(HttpTestingController);
+  });
+
+  afterEach(() => httpMock.verify());
+
+  it('liste les recommandations depuis le bon endpoint', () => {
+    let result: Recommendation[] = [];
+    service.getRecommendations().subscribe((r) => (result = r));
+
+    const req = httpMock.expectOne(`${environment.apiUrl}/recommendations`);
+    expect(req.request.method).toBe('GET');
+    req.flush([RECOMMANDATION_API]);
+
+    expect(result.length).toBe(1);
+    expect(result[0].alert_id).toBe(1);
+  });
+
+  it('décrit une recommandation par son identifiant', () => {
+    service.getRecommendation(42).subscribe();
+
+    const req = httpMock.expectOne(`${environment.apiUrl}/recommendations/42`);
+    expect(req.request.method).toBe('GET');
+    req.flush({ ...RECOMMANDATION_API, recommendation_id: 42 });
+  });
+
+  it('déclenche la génération en POST avec le site en paramètre de requête', () => {
+    let result: unknown;
+    service.generate('SITE001').subscribe((r) => (result = r));
+
+    const req = httpMock.expectOne(
+      (r) => r.url === `${environment.apiUrl}/recommendations/generate` && r.method === 'POST',
+    );
+    expect(req.request.params.get('site_id')).toBe('SITE001');
+    expect(req.request.body).toBeNull();
+    req.flush({ alerts_examined: 2, recommendations_created: 3, already_present: 1 });
+
+    expect(result).toEqual({ alerts_examined: 2, recommendations_created: 3, already_present: 1 });
+  });
+
+  it('génère pour tout le parc quand aucun site n’est donné', () => {
+    service.generate().subscribe();
+
+    const req = httpMock.expectOne(
+      (r) => r.url === `${environment.apiUrl}/recommendations/generate` && r.method === 'POST',
+    );
+    expect(req.request.params.has('site_id')).toBe(false);
+    req.flush({ alerts_examined: 0, recommendations_created: 0, already_present: 0 });
+  });
+});

apps/frontend/src/app/core/services/recommendations.service.ts

@@ -0,0 +1,34 @@
+import { Service, inject } from '@angular/core';
+import { HttpClient, HttpParams } from '@angular/common/http';
+import { environment } from '../../../environments/environment';
+import {
+  Recommendation,
+  RecommendationGenerationReport,
+} from '../../shared/models/recommendation.model';
+
+@Service()
+export class RecommendationsService {
+  private http = inject(HttpClient);
+
+  getRecommendations() {
+    return this.http.get<Recommendation[]>(`${environment.apiUrl}/recommendations`);
+  }
+
+  getRecommendation(recommendationId: number) {
+    return this.http.get<Recommendation>(
+      `${environment.apiUrl}/recommendations/${recommendationId}`,
+    );
+  }
+
+  generate(siteId?: string) {
+    let params = new HttpParams();
+    if (siteId) {
+      params = params.set('site_id', siteId);
+    }
+    return this.http.post<RecommendationGenerationReport>(
+      `${environment.apiUrl}/recommendations/generate`,
+      null,
+      { params },
+    );
+  }
+}

apps/frontend/src/app/features/dashboard/dashboard.html

@@ -14,6 +14,7 @@
         <a routerLink="/monitoring/sensors" class="ev-link">Supervision des capteurs</a>
       }
       <a routerLink="/sites" class="ev-link">Voir les sites</a>
+      <a routerLink="/recommendations" class="ev-link">Recommandations</a>
       <ev-button
         class="logout-button"
         variant="secondary"

apps/frontend/src/app/features/recommendations/recommendations.html

@@ -0,0 +1,58 @@
+<div class="recommendations">
+  <nav class="ev-breadcrumb">
+    <a routerLink="/dashboard">Tableau de bord</a>
+  </nav>
+
+  <header class="recommendations__header">
+    <a routerLink="/dashboard" class="ev-brand-link">
+      <ev-brand class="recommendations__logo" />
+    </a>
+    <div>
+      <h1>Recommandations</h1>
+      <p class="recommendations__subtitle">
+        Actions proposées par le moteur de règles à partir des alertes
+      </p>
+    </div>
+  </header>
+
+  <div class="recommendations__toolbar">
+    <label class="recommendations__filter">
+      <span class="form-label">Site</span>
+      <select class="form-select" data-testid="site-filter" (change)="onSiteChange($event)">
+        <option value="" [selected]="!siteFilter()">Tous les sites</option>
+        @for (site of sites(); track site.site_id) {
+          <option [value]="site.site_id" [selected]="site.site_id === siteFilter()">
+            {{ site.site_name }}
+          </option>
+        }
+      </select>
+    </label>
+    @if (isAdmin()) {
+      <ev-button
+        variant="secondary"
+        [fullWidth]="false"
+        [disabled]="generating()"
+        data-testid="generate"
+        (click)="onGenerate()"
+      >
+        {{ generating() ? 'Génération en cours…' : 'Générer les recommandations' }}
+      </ev-button>
+    }
+  </div>
+
+  @if (generationReport(); as report) {
+    <ev-alert severity="success" class="recommendations__banner">{{ bilan(report) }}.</ev-alert>
+  }
+  @if (generationError(); as message) {
+    <ev-alert severity="danger" class="recommendations__banner">{{ message }}</ev-alert>
+  }
+
+  @if (alertId(); as id) {
+    <p class="recommendations__focus">
+      Alerte n° {{ id }} ·
+      <a routerLink="/recommendations" class="ev-link">Toutes les recommandations</a>
+    </p>
+  }
+
+  <app-recommendation-list [siteId]="siteFilter()" [alertId]="alertId()" [sites]="sites()" />
+</div>

apps/frontend/src/app/features/recommendations/recommendations.scss

@@ -0,0 +1,59 @@
+:host {
+  display: block;
+  color: var(--color-text);
+  padding: 2.5rem 2rem;
+  max-width: 1100px;
+  margin: 0 auto;
+}
+
+.recommendations__header {
+  display: flex;
+  align-items: center;
+  gap: 0.85rem;
+  margin-bottom: 2rem;
+
+  h1 {
+    margin: 0;
+    font-size: 1.75rem;
+    font-weight: 700;
+  }
+}
+
+.recommendations__logo {
+  font-size: 1.3rem;
+}
+
+.recommendations__subtitle {
+  margin: 0.25rem 0 0;
+  color: var(--color-text-muted);
+}
+
+.recommendations__toolbar {
+  display: flex;
+  flex-wrap: wrap;
+  align-items: flex-end;
+  justify-content: space-between;
+  gap: var(--space-3);
+  margin-bottom: var(--space-4);
+}
+
+.recommendations__filter {
+  display: flex;
+  flex-direction: column;
+  min-width: 14rem;
+
+  .form-label {
+    margin-top: 0;
+  }
+}
+
+.recommendations__banner {
+  display: block;
+  margin-bottom: var(--space-3);
+}
+
+.recommendations__focus {
+  margin: 0 0 var(--space-3);
+  font-size: 0.9rem;
+  color: var(--color-text-muted);
+}

apps/frontend/src/app/features/recommendations/recommendations.spec.ts

@@ -0,0 +1,169 @@
+import { TestBed } from '@angular/core/testing';
+import { By } from '@angular/platform-browser';
+import { ActivatedRoute, convertToParamMap, provideRouter } from '@angular/router';
+import { vi } from 'vitest';
+import { BehaviorSubject, of, throwError } from 'rxjs';
+import { RecommendationsView, parseAlertId } from './recommendations';
+import { RecommendationList } from '../../shared/components/recommendation-list/recommendation-list';
+import { SitesService } from '../../core/services/sites.service';
+import { AlertsService } from '../../core/services/alerts.service';
+import { RecommendationsService } from '../../core/services/recommendations.service';
+import { AuthService } from '../../core/services/auth.service';
+
+const SITES = [
+  {
+    site_id: 'SITE001',
+    site_name: 'Usine Nantes',
+    site_type: 'industriel',
+    location: 'Nantes',
+    capacity_kw: 500,
+    status: 'actif',
+  },
+];
+
+const BILAN = { alerts_examined: 2, recommendations_created: 3, already_present: 1 };
+
+function setup(options: { query?: Record<string, string>; role?: string } = {}) {
+  const query = options.query ?? {};
+  const queryParamMap = new BehaviorSubject(convertToParamMap(query));
+  const generate = vi.fn().mockReturnValue(of(BILAN));
+  const getRecommendations = vi.fn().mockReturnValue(of([]));
+  const getAlerts = vi.fn().mockReturnValue(of([]));
+  TestBed.configureTestingModule({
+    imports: [RecommendationsView],
+    providers: [
+      provideRouter([]),
+      {
+        provide: ActivatedRoute,
+        useValue: { queryParamMap, snapshot: { queryParamMap: convertToParamMap(query) } },
+      },
+      { provide: SitesService, useValue: { getSites: vi.fn().mockReturnValue(of(SITES)) } },
+      { provide: AlertsService, useValue: { getAlerts } },
+      { provide: RecommendationsService, useValue: { getRecommendations, generate } },
+      {
+        provide: AuthService,
+        useValue: { principal: vi.fn().mockReturnValue({ role: options.role ?? 'lecteur' }) },
+      },
+    ],
+  });
+  const fixture = TestBed.createComponent(RecommendationsView);
+  fixture.detectChanges();
+  fixture.detectChanges();
+  return { fixture, queryParamMap, generate, getRecommendations, getAlerts };
+}
+
+function listeEnfant(fixture: ReturnType<typeof setup>['fixture']): RecommendationList {
+  return fixture.debugElement.query(By.directive(RecommendationList)).componentInstance;
+}
+
+describe('parseAlertId', () => {
+  it("n'accepte qu'un entier strictement positif", () => {
+    expect(parseAlertId('12')).toBe(12);
+    expect(parseAlertId('0')).toBeNull();
+    expect(parseAlertId('-3')).toBeNull();
+    expect(parseAlertId('abc')).toBeNull();
+    expect(parseAlertId('12abc')).toBeNull();
+    expect(parseAlertId(null)).toBeNull();
+  });
+});
+
+describe('RecommendationsView', () => {
+  it("cible l'alerte donnée par ?alert= et la transmet à la liste", () => {
+    const { fixture } = setup({ query: { alert: '12' } });
+
+    expect(fixture.componentInstance.alertId()).toBe(12);
+    expect(listeEnfant(fixture).alertId()).toBe(12);
+    expect(fixture.nativeElement.textContent).toContain('Alerte n° 12');
+    expect(fixture.nativeElement.querySelector('a[href="/recommendations"]')).not.toBeNull();
+  });
+
+  it('ignore un paramètre alert invalide', () => {
+    const { fixture } = setup({ query: { alert: 'abc' } });
+
+    expect(fixture.componentInstance.alertId()).toBeNull();
+    expect(fixture.nativeElement.textContent).not.toContain('Alerte n°');
+  });
+
+  it('applique le site donné par ?site= au filtre et à la liste', () => {
+    const { fixture, getAlerts } = setup({ query: { site: 'SITE001' } });
+
+    expect(getAlerts).toHaveBeenCalledWith({ site_id: 'SITE001' });
+    const option = fixture.nativeElement.querySelector(
+      'option[value="SITE001"]',
+    ) as HTMLOptionElement;
+    expect(option.selected).toBe(true);
+  });
+
+  it('relance la liste sur le site choisi dans le filtre', () => {
+    const { fixture, getAlerts } = setup();
+    const select = fixture.nativeElement.querySelector(
+      '[data-testid="site-filter"]',
+    ) as HTMLSelectElement;
+
+    select.value = 'SITE001';
+    select.dispatchEvent(new Event('change'));
+    fixture.detectChanges();
+    fixture.detectChanges();
+
+    expect(getAlerts).toHaveBeenLastCalledWith({ site_id: 'SITE001' });
+    expect(listeEnfant(fixture).siteId()).toBe('SITE001');
+  });
+
+  it('cache le bouton de génération aux lecteurs', () => {
+    const { fixture } = setup({ role: 'lecteur' });
+
+    expect(fixture.nativeElement.querySelector('[data-testid="generate"]')).toBeNull();
+  });
+
+  it('permet à un admin de générer pour le site filtré, affiche le bilan et recharge la liste', () => {
+    const { fixture, generate, getRecommendations } = setup({
+      role: 'admin',
+      query: { site: 'SITE001' },
+    });
+
+    fixture.nativeElement.querySelector('[data-testid="generate"]').click();
+    fixture.detectChanges();
+    fixture.detectChanges();
+
+    expect(generate).toHaveBeenCalledWith('SITE001');
+    expect(fixture.nativeElement.textContent).toContain(
+      '3 recommandations créées, 1 déjà présente, 2 alertes examinées.',
+    );
+    expect(getRecommendations).toHaveBeenCalledTimes(2);
+    expect(fixture.componentInstance.generating()).toBe(false);
+  });
+
+  it('génère pour tout le parc quand aucun site n’est filtré', () => {
+    const { fixture, generate } = setup({ role: 'admin' });
+
+    fixture.componentInstance.onGenerate();
+
+    expect(generate).toHaveBeenCalledWith(undefined);
+  });
+
+  it("signale l'échec de la génération sans casser la page", () => {
+    const { fixture, generate } = setup({ role: 'admin' });
+    generate.mockReturnValue(throwError(() => new Error('403')));
+
+    fixture.componentInstance.onGenerate();
+    fixture.detectChanges();
+
+    expect(fixture.componentInstance.generationError()).not.toBeNull();
+    expect(fixture.nativeElement.textContent).toContain(
+      'La génération des recommandations a échoué',
+    );
+    expect(fixture.componentInstance.generating()).toBe(false);
+  });
+
+  it('accorde le bilan au singulier', () => {
+    const { fixture } = setup();
+
+    expect(
+      fixture.componentInstance.bilan({
+        alerts_examined: 1,
+        recommendations_created: 1,
+        already_present: 0,
+      }),
+    ).toBe('1 recommandation créée, 0 déjà présente, 1 alerte examinée');
+  });
+});

apps/frontend/src/app/features/recommendations/recommendations.ts

@@ -0,0 +1,85 @@
+import { Component, computed, inject, signal, viewChild } from '@angular/core';
+import { toSignal } from '@angular/core/rxjs-interop';
+import { ActivatedRoute, RouterLink } from '@angular/router';
+import { catchError, map, of } from 'rxjs';
+import { SitesService } from '../../core/services/sites.service';
+import { RecommendationsService } from '../../core/services/recommendations.service';
+import { AuthService } from '../../core/services/auth.service';
+import { Site } from '../../shared/models/site.model';
+import { RecommendationGenerationReport } from '../../shared/models/recommendation.model';
+import { RecommendationList } from '../../shared/components/recommendation-list/recommendation-list';
+import { Alert as EvAlert } from '../../shared/components/ui/alert/alert';
+import { Brand } from '../../shared/components/ui/brand/brand';
+import { Button } from '../../shared/components/ui/button/button';
+
+const GENERATION_FAILED_MESSAGE =
+  'La génération des recommandations a échoué, réessayez plus tard.';
+
+export function parseAlertId(raw: string | null): number | null {
+  return raw !== null && /^[1-9]\d*$/.test(raw) ? Number(raw) : null;
+}
+
+function pluriel(nombre: number, singulier: string, plurielForme: string): string {
+  return `${nombre} ${nombre > 1 ? plurielForme : singulier}`;
+}
+
+@Component({
+  selector: 'app-recommendations',
+  standalone: true,
+  imports: [RouterLink, RecommendationList, EvAlert, Brand, Button],
+  templateUrl: './recommendations.html',
+  styleUrl: './recommendations.scss',
+})
+export class RecommendationsView {
+  private route = inject(ActivatedRoute);
+  private sitesService = inject(SitesService);
+  private recommendationsService = inject(RecommendationsService);
+  private auth = inject(AuthService);
+
+  alertId = toSignal(
+    this.route.queryParamMap.pipe(map((params) => parseAlertId(params.get('alert')))),
+    { initialValue: null },
+  );
+  siteFilter = signal<string | null>(this.route.snapshot.queryParamMap.get('site'));
+  sites = toSignal(this.sitesService.getSites().pipe(catchError(() => of([] as Site[]))), {
+    initialValue: [] as Site[],
+  });
+
+  list = viewChild.required(RecommendationList);
+
+  isAdmin = computed(() => this.auth.principal()?.role === 'admin');
+  generating = signal(false);
+  generationReport = signal<RecommendationGenerationReport | null>(null);
+  generationError = signal<string | null>(null);
+
+  onSiteChange(event: Event): void {
+    this.siteFilter.set((event.target as HTMLSelectElement).value || null);
+  }
+
+  onGenerate(): void {
+    if (this.generating()) {
+      return;
+    }
+    this.generating.set(true);
+    this.generationError.set(null);
+    this.recommendationsService.generate(this.siteFilter() ?? undefined).subscribe({
+      next: (report) => {
+        this.generating.set(false);
+        this.generationReport.set(report);
+        this.list().reload();
+      },
+      error: () => {
+        this.generating.set(false);
+        this.generationError.set(GENERATION_FAILED_MESSAGE);
+      },
+    });
+  }
+
+  bilan(report: RecommendationGenerationReport): string {
+    return [
+      pluriel(report.recommendations_created, 'recommandation créée', 'recommandations créées'),
+      pluriel(report.already_present, 'déjà présente', 'déjà présentes'),
+      pluriel(report.alerts_examined, 'alerte examinée', 'alertes examinées'),
+    ].join(', ');
+  }
+}

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(() => {

apps/frontend/src/app/shared/components/recommendation-list/recommendation-list.html

@@ -0,0 +1,48 @@
+@if (error(); as message) {
+  <ev-alert severity="danger" class="reco-list__banner">{{ message }}</ev-alert>
+} @else if (loading() && !hasData()) {
+  <p class="reco-list__state" aria-live="polite">Chargement des recommandations…</p>
+} @else if (visibleGroups().length === 0) {
+  <ev-alert severity="success" class="reco-list__banner">{{ emptyMessage() }}</ev-alert>
+}
+
+<div class="reco-list" [attr.aria-busy]="loading()">
+  @for (group of visibleGroups(); track group.alert.alert_id) {
+    <ev-card
+      class="reco-group"
+      [class.reco-group--focus]="group.alert.alert_id === alertId()"
+      [id]="'alerte-' + group.alert.alert_id"
+    >
+      <header class="reco-group__alert">
+        <div class="reco-group__meta">
+          <ev-badge [tone]="toneFor(group.alert.severity)">{{
+            severityLabel(group.alert.severity)
+          }}</ev-badge>
+          <span class="reco-group__type">{{ typeLabel(group.alert.type) }}</span>
+          @if (!siteId()) {
+            <a [routerLink]="['/sites', group.alert.site_id]" class="ev-link">{{
+              group.siteName
+            }}</a>
+          }
+          <time [attr.datetime]="group.alert.timestamp">{{
+            group.alert.timestamp | date: 'dd/MM/yyyy HH:mm'
+          }}</time>
+        </div>
+        <p class="reco-group__message">{{ group.alert.message }}</p>
+      </header>
+      <ol class="reco-group__items">
+        @for (reco of group.recommendations; track reco.recommendation_id) {
+          <li class="reco">
+            <div class="reco__head">
+              <strong class="reco__action">{{ reco.action }}</strong>
+              <ev-badge [tone]="ruleTone(reco.rule_reference)">{{
+                ruleLabel(reco.rule_reference)
+              }}</ev-badge>
+            </div>
+            <p class="reco__explanation">{{ reco.explanation }}</p>
+          </li>
+        }
+      </ol>
+    </ev-card>
+  }
+</div>

apps/frontend/src/app/shared/components/recommendation-list/recommendation-list.scss

@@ -0,0 +1,94 @@
+:host {
+  display: block;
+}
+
+.reco-list__banner {
+  display: block;
+  margin-bottom: var(--space-3);
+}
+
+.reco-list__state {
+  margin: 0 0 var(--space-3);
+  font-size: 0.9rem;
+  color: var(--color-text-muted);
+}
+
+.reco-list {
+  display: flex;
+  flex-direction: column;
+  gap: var(--space-3);
+}
+
+.reco-group {
+  padding: var(--space-4);
+  gap: var(--space-3);
+}
+
+.reco-group--focus {
+  border-color: var(--color-primary);
+  box-shadow: 0 0 0 3px var(--color-primary-light);
+}
+
+.reco-group__alert {
+  display: flex;
+  flex-direction: column;
+  gap: var(--space-1);
+  padding-bottom: var(--space-3);
+  border-bottom: 1px solid var(--color-border-light);
+}
+
+.reco-group__meta {
+  display: flex;
+  flex-wrap: wrap;
+  align-items: center;
+  gap: var(--space-2);
+  font-size: 0.8rem;
+  color: var(--color-text-muted);
+}
+
+.reco-group__type {
+  font-weight: 600;
+  color: var(--color-text);
+}
+
+.reco-group__message {
+  margin: 0;
+  font-size: 0.9rem;
+}
+
+.reco-group__items {
+  list-style: none;
+  margin: 0;
+  padding: 0;
+  display: flex;
+  flex-direction: column;
+  gap: var(--space-2);
+}
+
+.reco {
+  display: flex;
+  flex-direction: column;
+  gap: 0.25rem;
+  padding: var(--space-2) var(--space-3);
+  border-radius: var(--radius-sm);
+  background: var(--color-bg);
+  border-left: 3px solid var(--color-primary);
+}
+
+.reco__head {
+  display: flex;
+  flex-wrap: wrap;
+  align-items: center;
+  justify-content: space-between;
+  gap: var(--space-2);
+}
+
+.reco__action {
+  font-size: 0.95rem;
+}
+
+.reco__explanation {
+  margin: 0;
+  font-size: 0.85rem;
+  color: var(--color-text-muted);
+}

apps/frontend/src/app/shared/components/recommendation-list/recommendation-list.spec.ts

@@ -0,0 +1,244 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+import { provideRouter } from '@angular/router';
+import { vi } from 'vitest';
+import { NEVER, of, throwError } from 'rxjs';
+import { RecommendationList, joinByAlert } from './recommendation-list';
+import { AlertsService } from '../../../core/services/alerts.service';
+import { RecommendationsService } from '../../../core/services/recommendations.service';
+import { Alert } from '../../models/alert.model';
+import { Recommendation } from '../../models/recommendation.model';
+import { Site } from '../../models/site.model';
+
+const SITES: Site[] = [
+  {
+    site_id: 'SITE001',
+    site_name: 'Usine Nantes',
+    site_type: 'industriel',
+    location: 'Nantes',
+    capacity_kw: 500,
+    status: 'actif',
+  },
+  {
+    site_id: 'SITE002',
+    site_name: 'Bureau Lille',
+    site_type: 'bureau',
+    location: 'Lille',
+    capacity_kw: 80,
+    status: 'actif',
+  },
+];
+
+function alerte(surcharges: Partial<Alert>): Alert {
+  return {
+    alert_id: 1,
+    site_id: 'SITE001',
+    timestamp: '2026-09-15T09:00:00Z',
+    type: 'threshold',
+    severity: 'high',
+    message: 'Puissance appelée au-dessus de la capacité du site',
+    value: 812.5,
+    threshold: 720,
+    metric: 'consumption_kw',
+    prediction_id: null,
+    ...surcharges,
+  };
+}
+
+function reco(surcharges: Partial<Recommendation>): Recommendation {
+  return {
+    recommendation_id: 1,
+    alert_id: 1,
+    action: 'Ramener la puissance appelée sous le seuil contractuel',
+    explanation: 'Seuil de consommation dépassé sur le site SITE001.',
+    rule_reference: 'threshold-reduction-v1',
+    created_at: '2026-09-15T09:05:00Z',
+    ...surcharges,
+  };
+}
+
+const ALERTES: Alert[] = [
+  alerte({ alert_id: 1, site_id: 'SITE001', timestamp: '2026-09-15T09:00:00Z' }),
+  alerte({
+    alert_id: 2,
+    site_id: 'SITE002',
+    timestamp: '2026-09-15T11:00:00Z',
+    severity: 'critical',
+    type: 'spike',
+    message: 'Variation brutale entre deux lectures consécutives',
+  }),
+  alerte({ alert_id: 3, site_id: 'SITE001', timestamp: '2026-09-15T10:00:00Z', severity: 'low' }),
+];
+
+const RECOMMANDATIONS: Recommendation[] = [
+  reco({
+    recommendation_id: 3,
+    alert_id: 2,
+    action: "Escalader à l'astreinte sous une heure",
+    rule_reference: 'escalade-astreinte-v1',
+  }),
+  reco({ recommendation_id: 1, alert_id: 1 }),
+  reco({
+    recommendation_id: 2,
+    alert_id: 2,
+    action: 'Délester les équipements non prioritaires sur le créneau du pic',
+    rule_reference: 'spike-delestage-v1',
+  }),
+  reco({ recommendation_id: 4, alert_id: 99, rule_reference: 'orpheline-v1' }),
+];
+
+function setup(
+  alertsMock: { getAlerts: ReturnType<typeof vi.fn> },
+  recosMock: { getRecommendations: ReturnType<typeof vi.fn> },
+  inputs: Record<string, unknown> = {},
+) {
+  TestBed.configureTestingModule({
+    imports: [RecommendationList],
+    providers: [
+      provideRouter([]),
+      { provide: AlertsService, useValue: alertsMock },
+      { provide: RecommendationsService, useValue: recosMock },
+    ],
+  });
+  const fixture = TestBed.createComponent(RecommendationList);
+  for (const [nom, valeur] of Object.entries(inputs)) {
+    fixture.componentRef.setInput(nom, valeur);
+  }
+  return fixture;
+}
+
+function rendre(fixture: ComponentFixture<RecommendationList>) {
+  fixture.detectChanges();
+  fixture.detectChanges();
+}
+
+function texte(fixture: ComponentFixture<RecommendationList>): string {
+  return (fixture.nativeElement as HTMLElement).textContent ?? '';
+}
+
+const recosOk = () => ({ getRecommendations: vi.fn().mockReturnValue(of(RECOMMANDATIONS)) });
+
+describe('joinByAlert', () => {
+  it('groupe par alerte, du plus récent au plus ancien, recommandations par identifiant', () => {
+    const groupes = joinByAlert(ALERTES, RECOMMANDATIONS, new Map([['SITE001', 'Usine Nantes']]));
+
+    expect(groupes.map((g) => g.alert.alert_id)).toEqual([2, 1]);
+    expect(groupes[0].recommendations.map((r) => r.recommendation_id)).toEqual([2, 3]);
+    expect(groupes[1].siteName).toBe('Usine Nantes');
+    expect(groupes[0].siteName).toBe('SITE002');
+  });
+
+  it('ignore les alertes sans recommandation et les recommandations orphelines', () => {
+    const groupes = joinByAlert(ALERTES, RECOMMANDATIONS, new Map());
+
+    expect(groupes.some((g) => g.alert.alert_id === 3)).toBe(false);
+    expect(groupes.flatMap((g) => g.recommendations).some((r) => r.alert_id === 99)).toBe(false);
+  });
+});
+
+describe('RecommendationList', () => {
+  it('charge alertes et recommandations puis affiche les groupes avec leur contexte', () => {
+    const getAlerts = vi.fn().mockReturnValue(of(ALERTES));
+    const fixture = setup({ getAlerts }, recosOk(), { sites: SITES });
+
+    rendre(fixture);
+
+    expect(getAlerts).toHaveBeenCalledWith({});
+    expect(fixture.nativeElement.querySelectorAll('.reco-group').length).toBe(2);
+    const contenu = texte(fixture);
+    expect(contenu).toContain('Usine Nantes');
+    expect(contenu).toContain('Bureau Lille');
+    expect(contenu).toContain('Critique');
+    expect(contenu).toContain('Pic de consommation');
+    expect(contenu).toContain('Escalade astreinte');
+    expect(contenu).toContain('Délester les équipements');
+    expect(contenu).toContain('15/09/2026');
+    expect(fixture.nativeElement.querySelector('a[href="/sites/SITE002"]')).not.toBeNull();
+    expect(fixture.componentInstance.total()).toBe(3);
+    expect(fixture.componentInstance.error()).toBeNull();
+  });
+
+  it('filtre les alertes du site côté API et masque le lien vers le site', () => {
+    const getAlerts = vi.fn().mockReturnValue(of(ALERTES.filter((a) => a.site_id === 'SITE001')));
+    const fixture = setup({ getAlerts }, recosOk(), { siteId: 'SITE001', sites: SITES });
+
+    rendre(fixture);
+
+    expect(getAlerts).toHaveBeenCalledWith({ site_id: 'SITE001' });
+    expect(fixture.nativeElement.querySelectorAll('.reco-group').length).toBe(1);
+    expect(fixture.nativeElement.querySelector('a[href^="/sites/"]')).toBeNull();
+  });
+
+  it("ne garde que le groupe de l'alerte ciblée et le met en évidence", () => {
+    const fixture = setup({ getAlerts: vi.fn().mockReturnValue(of(ALERTES)) }, recosOk(), {
+      alertId: 2,
+    });
+
+    rendre(fixture);
+
+    const groupes = fixture.nativeElement.querySelectorAll('.reco-group');
+    expect(groupes.length).toBe(1);
+    expect(groupes[0].classList.contains('reco-group--focus')).toBe(true);
+    expect(groupes[0].id).toBe('alerte-2');
+  });
+
+  it("annonce l'absence de recommandation pour une alerte inconnue", () => {
+    const fixture = setup({ getAlerts: vi.fn().mockReturnValue(of(ALERTES)) }, recosOk(), {
+      alertId: 123,
+    });
+
+    rendre(fixture);
+
+    expect(texte(fixture)).toContain('Aucune recommandation pour cette alerte.');
+  });
+
+  it("annonce l'absence de recommandation pour le site consulté", () => {
+    const fixture = setup(
+      { getAlerts: vi.fn().mockReturnValue(of([])) },
+      { getRecommendations: vi.fn().mockReturnValue(of([])) },
+      { siteId: 'SITE001' },
+    );
+
+    rendre(fixture);
+
+    expect(texte(fixture)).toContain('Aucune recommandation pour ce site.');
+  });
+
+  it("signale l'indisponibilité et n'affiche aucun groupe si un des deux appels échoue", () => {
+    const fixture = setup(
+      { getAlerts: vi.fn().mockReturnValue(of(ALERTES)) },
+      { getRecommendations: vi.fn().mockReturnValue(throwError(() => new Error('nope'))) },
+    );
+
+    rendre(fixture);
+
+    expect(fixture.componentInstance.error()).not.toBeNull();
+    expect(fixture.componentInstance.groups()).toEqual([]);
+    expect(texte(fixture)).toContain('Recommandations indisponibles');
+    expect(fixture.nativeElement.querySelectorAll('.reco-group').length).toBe(0);
+  });
+
+  it('annonce le chargement tant que la réponse ne vient pas', () => {
+    const fixture = setup(
+      { getAlerts: vi.fn().mockReturnValue(NEVER) },
+      { getRecommendations: vi.fn().mockReturnValue(NEVER) },
+    );
+
+    rendre(fixture);
+
+    expect(fixture.componentInstance.loading()).toBe(true);
+    expect(texte(fixture)).toContain('Chargement des recommandations');
+  });
+
+  it('recharge les deux flux à la demande', () => {
+    const getAlerts = vi.fn().mockReturnValue(of(ALERTES));
+    const recos = recosOk();
+    const fixture = setup({ getAlerts }, recos);
+    rendre(fixture);
+
+    fixture.componentInstance.reload();
+    rendre(fixture);
+
+    expect(getAlerts).toHaveBeenCalledTimes(2);
+    expect(recos.getRecommendations).toHaveBeenCalledTimes(2);
+  });
+});

apps/frontend/src/app/shared/components/recommendation-list/recommendation-list.ts

@@ -0,0 +1,163 @@
+import { Component, DestroyRef, computed, inject, input, signal } from '@angular/core';
+import { takeUntilDestroyed, toObservable } from '@angular/core/rxjs-interop';
+import { DatePipe } from '@angular/common';
+import { RouterLink } from '@angular/router';
+import { catchError, EMPTY, forkJoin, Observable, switchMap, tap } from 'rxjs';
+import { AlertsService } from '../../../core/services/alerts.service';
+import { RecommendationsService } from '../../../core/services/recommendations.service';
+import { Alert, AlertSeverity, AlertType } from '../../models/alert.model';
+import { Recommendation } from '../../models/recommendation.model';
+import { Site } from '../../models/site.model';
+import {
+  LIBELLE_PAR_SEVERITE,
+  LIBELLE_PAR_TYPE,
+  TON_PAR_SEVERITE,
+} from '../../models/alert-presentation';
+import { libelleRegle, tonRegle } from '../../models/recommendation-presentation';
+import { Card } from '../ui/card/card';
+import { Badge, BadgeTone } from '../ui/badge/badge';
+import { Alert as EvAlert } from '../ui/alert/alert';
+
+const UNAVAILABLE_MESSAGE = 'Recommandations indisponibles, réessayez plus tard.';
+
+export interface RecommendedAlertView {
+  alert: Alert;
+  siteName: string;
+  recommendations: Recommendation[];
+}
+
+interface Chargement {
+  alerts: Alert[];
+  recommendations: Recommendation[];
+}
+
+// Pourquoi : une recommandation ne porte que alert_id, jamais site_id, et /recommendations n'a
+// aucun filtre ; la jointure se fait ici, en O(alertes), acceptable à la taille du jeu de données.
+export function joinByAlert(
+  alerts: Alert[],
+  recommendations: Recommendation[],
+  siteNames: Map<string, string>,
+): RecommendedAlertView[] {
+  const parAlerte = new Map<number, Recommendation[]>();
+  for (const recommandation of recommendations) {
+    const liste = parAlerte.get(recommandation.alert_id) ?? [];
+    liste.push(recommandation);
+    parAlerte.set(recommandation.alert_id, liste);
+  }
+  return alerts
+    .filter((alert) => parAlerte.has(alert.alert_id))
+    .map((alert) => ({
+      alert,
+      siteName: siteNames.get(alert.site_id) ?? alert.site_id,
+      recommendations: [...(parAlerte.get(alert.alert_id) ?? [])].sort(
+        (a, b) => a.recommendation_id - b.recommendation_id,
+      ),
+    }))
+    .sort((a, b) => Date.parse(b.alert.timestamp) - Date.parse(a.alert.timestamp));
+}
+
+@Component({
+  selector: 'app-recommendation-list',
+  standalone: true,
+  imports: [DatePipe, RouterLink, Card, Badge, EvAlert],
+  templateUrl: './recommendation-list.html',
+  styleUrl: './recommendation-list.scss',
+})
+export class RecommendationList {
+  private alertsService = inject(AlertsService);
+  private recommendationsService = inject(RecommendationsService);
+  private destroyRef = inject(DestroyRef);
+
+  siteId = input<string | null>(null);
+  alertId = input<number | null>(null);
+  sites = input<Site[]>([]);
+
+  private data = signal<Chargement | null>(null);
+  private reloadTick = signal(0);
+  loading = signal(true);
+  error = signal<string | null>(null);
+
+  private trigger = computed(() => ({ siteId: this.siteId(), tick: this.reloadTick() }));
+
+  private siteNameById = computed(
+    () => new Map(this.sites().map((site) => [site.site_id, site.site_name])),
+  );
+
+  hasData = computed(() => this.data() !== null);
+
+  groups = computed<RecommendedAlertView[]>(() => {
+    const data = this.data();
+    return data ? joinByAlert(data.alerts, data.recommendations, this.siteNameById()) : [];
+  });
+
+  visibleGroups = computed(() => {
+    const alertId = this.alertId();
+    const groups = this.groups();
+    return alertId === null ? groups : groups.filter((group) => group.alert.alert_id === alertId);
+  });
+
+  total = computed(() =>
+    this.visibleGroups().reduce((somme, group) => somme + group.recommendations.length, 0),
+  );
+
+  emptyMessage = computed(() => {
+    if (this.alertId() !== null) {
+      return 'Aucune recommandation pour cette alerte.';
+    }
+    return this.siteId()
+      ? 'Aucune recommandation pour ce site.'
+      : 'Aucune recommandation pour le moment.';
+  });
+
+  constructor() {
+    toObservable(this.trigger)
+      .pipe(
+        tap(() => this.loading.set(true)),
+        switchMap(({ siteId }) =>
+          forkJoin({
+            alerts: this.alertsService.getAlerts(siteId ? { site_id: siteId } : {}),
+            recommendations: this.recommendationsService.getRecommendations(),
+          }).pipe(catchError(() => this.reportUnavailable())),
+        ),
+        takeUntilDestroyed(this.destroyRef),
+      )
+      .subscribe((data) => {
+        this.loading.set(false);
+        this.error.set(null);
+        this.data.set(data);
+      });
+  }
+
+  reload(): void {
+    this.reloadTick.update((tick) => tick + 1);
+  }
+
+  toneFor(severity: AlertSeverity): BadgeTone {
+    return TON_PAR_SEVERITE[severity];
+  }
+
+  severityLabel(severity: AlertSeverity): string {
+    return LIBELLE_PAR_SEVERITE[severity];
+  }
+
+  typeLabel(type: AlertType): string {
+    return LIBELLE_PAR_TYPE[type];
+  }
+
+  ruleLabel(reference: string): string {
+    return libelleRegle(reference);
+  }
+
+  ruleTone(reference: string): BadgeTone {
+    return tonRegle(reference);
+  }
+
+  // Piège : vider les données avec l'erreur ; une demi-jointure (alertes sans recommandations,
+  // ou l'inverse) afficherait des groupes faux plutôt que rien.
+  private reportUnavailable(): Observable<never> {
+    this.loading.set(false);
+    this.error.set(UNAVAILABLE_MESSAGE);
+    this.data.set(null);
+    return EMPTY;
+  }
+}

apps/frontend/src/app/shared/models/alert-presentation.spec.ts

@@ -0,0 +1,37 @@
+import {
+  LIBELLE_PAR_SEVERITE,
+  LIBELLE_PAR_TYPE,
+  SEVERITES,
+  TON_PAR_SEVERITE,
+  TYPES_ALERTE,
+  UNITE_PAR_METRIQUE,
+} from './alert-presentation';
+
+describe('alert-presentation', () => {
+  it('distingue le ton des sévérités high et critical', () => {
+    expect(TON_PAR_SEVERITE.high).toBe('danger');
+    expect(TON_PAR_SEVERITE.critical).toBe('critical');
+    expect(TON_PAR_SEVERITE.high).not.toBe(TON_PAR_SEVERITE.critical);
+  });
+
+  it("n'affiche pas une alerte faible avec le ton de succès", () => {
+    expect(TON_PAR_SEVERITE.low).toBe('neutral');
+    expect(TON_PAR_SEVERITE.medium).toBe('warning');
+  });
+
+  it('donne un libellé français à chaque sévérité et à chaque type', () => {
+    for (const severite of SEVERITES) {
+      expect(LIBELLE_PAR_SEVERITE[severite]).toBeTruthy();
+    }
+    for (const type of TYPES_ALERTE) {
+      expect(LIBELLE_PAR_TYPE[type]).toBeTruthy();
+    }
+    expect(SEVERITES.length).toBe(4);
+    expect(TYPES_ALERTE.length).toBe(5);
+  });
+
+  it('associe une unité à chaque métrique du contrat', () => {
+    expect(UNITE_PAR_METRIQUE.consumption_kw).toBe('kW');
+    expect(UNITE_PAR_METRIQUE.consumption_kwh).toBe('kWh');
+  });
+});

apps/frontend/src/app/shared/models/alert-presentation.ts

@@ -0,0 +1,41 @@
+import { BadgeTone } from '../components/ui/badge/badge';
+import { AlertMetric, AlertSeverity, AlertType } from './alert.model';
+
+// Pourquoi : `low` en neutre plutôt qu'en vert, une alerte faible reste une alerte ; le vert se
+// lisait comme « tout va bien » à côté des rouges.
+export const TON_PAR_SEVERITE: Record<AlertSeverity, BadgeTone> = {
+  low: 'neutral',
+  medium: 'warning',
+  high: 'danger',
+  critical: 'critical',
+};
+
+export const LIBELLE_PAR_SEVERITE: Record<AlertSeverity, string> = {
+  low: 'Faible',
+  medium: 'Moyenne',
+  high: 'Élevée',
+  critical: 'Critique',
+};
+
+export const LIBELLE_PAR_TYPE: Record<AlertType, string> = {
+  spike: 'Pic de consommation',
+  threshold: 'Seuil dépassé',
+  anomaly: 'Anomalie',
+  outage: 'Coupure',
+  sensor: 'Capteur',
+};
+
+export const UNITE_PAR_METRIQUE: Record<AlertMetric, string> = {
+  consumption_kw: 'kW',
+  consumption_kwh: 'kWh',
+};
+
+export const SEVERITES: readonly AlertSeverity[] = ['low', 'medium', 'high', 'critical'];
+
+export const TYPES_ALERTE: readonly AlertType[] = [
+  'spike',
+  'threshold',
+  'anomaly',
+  'outage',
+  'sensor',
+];

apps/frontend/src/app/shared/models/alert.model.ts

@@ -1,13 +1,16 @@
 export type AlertSeverity = 'low' | 'medium' | 'high' | 'critical';
 export type AlertType = 'spike' | 'threshold' | 'anomaly' | 'outage' | 'sensor';
+export type AlertMetric = 'consumption_kw' | 'consumption_kwh';
 
 export interface Alert {
-  alert_id: string;
+  alert_id: number;
-  timestamp: string;
   site_id: string;
-  severity: AlertSeverity;
+  timestamp: string;
   type: AlertType;
+  severity: AlertSeverity;
   message: string;
-  value: number;
+  value: number | null;
-  threshold: number;
+  threshold: number | null;
+  metric: AlertMetric | null;
+  prediction_id: number | null;
 }

apps/frontend/src/app/shared/models/recommendation-presentation.spec.ts

@@ -0,0 +1,23 @@
+import { libelleRegle, tonRegle } from './recommendation-presentation';
+
+describe('recommendation-presentation', () => {
+  it('traduit les sept règles connues du moteur', () => {
+    expect(libelleRegle('spike-delestage-v1')).toBe('Délestage');
+    expect(libelleRegle('threshold-reduction-v1')).toBe('Réduction de puissance');
+    expect(libelleRegle('outage-secours-v1')).toBe('Alimentation de secours');
+    expect(libelleRegle('sensor-maintenance-v1')).toBe('Maintenance capteur');
+    expect(libelleRegle('anomaly-verification-v1')).toBe('Vérification');
+    expect(libelleRegle('escalade-astreinte-v1')).toBe('Escalade astreinte');
+    expect(libelleRegle('contrat-puissance-v1')).toBe('Contrat de puissance');
+  });
+
+  it('affiche telle quelle une référence de règle inconnue', () => {
+    expect(libelleRegle('spike-delestage-v2')).toBe('spike-delestage-v2');
+  });
+
+  it("réserve le ton critique à l'escalade vers l'astreinte", () => {
+    expect(tonRegle('escalade-astreinte-v1')).toBe('critical');
+    expect(tonRegle('spike-delestage-v1')).toBe('neutral');
+    expect(tonRegle('inconnue-v9')).toBe('neutral');
+  });
+});

apps/frontend/src/app/shared/models/recommendation-presentation.ts

@@ -0,0 +1,23 @@
+import { BadgeTone } from '../components/ui/badge/badge';
+
+// Contrainte : une règle dont le sens change reçoit un suffixe -v2 côté backend (ADR 0006) ;
+// une référence inconnue s'affiche donc telle quelle plutôt que de casser la vue.
+const LIBELLE_PAR_REGLE: Record<string, string> = {
+  'spike-delestage-v1': 'Délestage',
+  'threshold-reduction-v1': 'Réduction de puissance',
+  'outage-secours-v1': 'Alimentation de secours',
+  'sensor-maintenance-v1': 'Maintenance capteur',
+  'anomaly-verification-v1': 'Vérification',
+  'escalade-astreinte-v1': 'Escalade astreinte',
+  'contrat-puissance-v1': 'Contrat de puissance',
+};
+
+const REGLE_ESCALADE = 'escalade-astreinte-v1';
+
+export function libelleRegle(reference: string): string {
+  return LIBELLE_PAR_REGLE[reference] ?? reference;
+}
+
+export function tonRegle(reference: string): BadgeTone {
+  return reference === REGLE_ESCALADE ? 'critical' : 'neutral';
+}

apps/frontend/src/app/shared/models/recommendation.model.ts

@@ -0,0 +1,14 @@
+export interface Recommendation {
+  recommendation_id: number;
+  alert_id: number;
+  action: string;
+  explanation: string;
+  rule_reference: string;
+  created_at: string;
+}
+
+export interface RecommendationGenerationReport {
+  alerts_examined: number;
+  recommendations_created: number;
+  already_present: number;
+}

apps/frontend/src/styles/_forms.scss

@@ -29,3 +29,18 @@
   color: var(--color-disabled);
   margin-top: 0.25rem;
 }
+
+// Piège : le chevron est un SVG en data URI, où aucun token CSS n'est lisible ; sa couleur
+// reprend en dur la valeur de --color-text-muted.
+.form-select {
+  @extend .form-input;
+  padding-right: 2.25rem;
+  color: var(--color-text);
+  background-color: var(--color-surface);
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='%236b7280' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
+  background-repeat: no-repeat;
+  background-position: right 0.6rem center;
+  background-size: 1rem;
+  appearance: none;
+  cursor: pointer;
+}

apps/frontend/tsconfig.json

@@ -3,6 +3,7 @@
 {
   "compileOnSave": false,
   "compilerOptions": {
+    "strict": true,
     "noImplicitOverride": true,
     "noPropertyAccessFromIndexSignature": true,
     "noImplicitReturns": true,

docs/architecture/30-frontend.md

@@ -146,6 +146,29 @@ Compose.
 
 Conventions et gabarits : [`apps/frontend/TESTING.md`](../../apps/frontend/TESTING.md).
 
+## Recommandations
+
+Statut : `Fait`. La vue `/recommendations` (`features/recommendations`, derrière `authGuard`, tous
+rôles) présente les recommandations du moteur de règles groupées par alerte, du plus récent au plus
+ancien, avec le contexte de l'alerte (sévérité, type, site, horodatage, message) puis chaque action,
+son explication et la règle qui l'a produite.
+
+- **Jointure côté client.** Une recommandation ne porte que `alert_id`, jamais `site_id`, et
+  `GET /recommendations` n'a aucun filtre. `app-recommendation-list` (`shared/components/`) charge
+  donc en parallèle `GET /alerts` (filtré par `site_id` quand un site est fixé) et
+  `GET /recommendations`, puis les joint par `alert_id` (`joinByAlert`, fonction pure testée à
+  part). Les recommandations dont l'alerte n'est pas dans le jeu chargé sont ignorées : c'est ainsi
+  que le filtre site s'applique. `/alerts` n'étant pas paginé, un seul appel suffit.
+- **Paramètres d'URL.** `?site=<site_id>` présélectionne le filtre site ; `?alert=<alert_id>`
+  réduit la vue à une alerte et la met en évidence (entier strictement positif, sinon ignoré).
+- **Génération.** Le bouton « Générer les recommandations » n'apparaît que pour le rôle `admin`
+  (`POST /recommendations/generate?site_id=`, réservé admin côté API) et affiche le bilan renvoyé
+  (créées, déjà présentes, alertes examinées) avant de recharger la liste. La voie normale reste le
+  DAG Airflow `alertes` ([ADR 0008](../adr/0008-airflow-execute-le-code-du-backend.md)).
+- **Entrées.** Lien « Recommandations » dans l'en-tête du tableau de bord ; section
+  « Recommandations » sur la vue détail d'un site (liste restreinte au site, lien vers la vue
+  complète préfiltrée).
+
 ## Questions ouvertes
 
 - **Gestion d'état** : les signaux suffisent aujourd'hui, la question se reposera quand plusieurs

docs/architecture/32-design-systeme-frontend.md

@@ -24,12 +24,13 @@ seule fois dans `src/styles.scss`. Disponibles partout sans import supplémentai
 | `--shadow-card` | Ombre portée des cartes |
 | `--space-1` à `--space-5` | Échelle d'espacement (0.35rem à 2.5rem) |
 
-Les classes de formulaire partagées (`.form-label`, `.form-input`, `.form-hint`) sont dans
+Les classes de formulaire partagées (`.form-label`, `.form-input`, `.form-select`, `.form-hint`)
-`apps/frontend/src/styles/_forms.scss`, importées globalement de la même façon. Elles
+sont dans `apps/frontend/src/styles/_forms.scss`, importées globalement de la même façon. Elles
-s'appliquent directement à des `<label>`/`<input>` natifs liés par `formControlName` : pas de
+s'appliquent directement à des `<label>`/`<input>`/`<select>` natifs, liés par `formControlName` ou
-composant `ControlValueAccessor` dédié, le gain n'en vaut pas la complexité pour des formulaires
+par un simple `(change)` : pas de composant `ControlValueAccessor` dédié, le gain n'en vaut pas la
-aussi simples que ceux de ce projet. Les erreurs de formulaire, elles, s'affichent via
+complexité pour des formulaires aussi simples que ceux de ce projet. `.form-select` habille un
-`<ev-alert severity="danger">`, pas une classe dédiée.
+`<select>` natif avec la bordure et le focus de `.form-input`, plus un chevron. Les erreurs de
+formulaire, elles, s'affichent via `<ev-alert severity="danger">`, pas une classe dédiée.
 
 La classe `.auth-page` (`apps/frontend/src/styles/_auth-page.scss`, importée globalement) porte
 le fond dégradé et le centrage commun aux pages d'authentification (`login`, `change-password`,

docs/architecture/50-cicd.md

@@ -44,6 +44,7 @@ flowchart TB
   subgraph sq["SonarQube · sonarqube.yml"]
     sb1["build-front / test-front"]
     sb2["build-back / test-back"]
+    sb3["test-ml"]
     sscan["sonarqube<br/>quality gate SonarCloud"]
   end
 
@@ -132,10 +133,18 @@ partie de la suite, et son taux n'aurait aucun sens face au seuil de 85 %.
 
 ## SonarCloud, et l'incident qui a immobilisé trois PR
 
-Le workflow `sonarqube.yml` exécute quatre jobs de préparation (`build-front`, `test-front`,
+Le workflow `sonarqube.yml` exécute cinq jobs de préparation (`build-front`, `test-front`,
-`build-back`, `test-back`) qui produisent chacun un rapport de couverture en artefact, puis un
+`build-back`, `test-back`, `test-ml`) dont les tests produisent chacun un rapport de couverture en
-cinquième job qui les télécharge et lance `SonarSource/sonarqube-scan-action@v8` avec le secret
+artefact, puis un dernier job qui les télécharge et lance `SonarSource/sonarqube-scan-action@v8`
-`SONAR_TOKEN`. Le périmètre est décrit par `sonar-project.properties` à la racine.
+avec le secret `SONAR_TOKEN`. Le périmètre est décrit par `sonar-project.properties` à la racine.
+
+Le périmètre couvre `apps/frontend`, `apps/backend`, `ml/` et `etl/airflow` (les deux derniers
+ajoutés après coup : ils n'étaient pas analysés, une PR qui ne touchait qu'eux ne lançait pas
+Sonar). `ml/` publie `ml/coverage.xml` (`pytest-cov`, même mécanisme que le backend, sans seuil
+propre : la gate porte sur le code neuf). `etl/airflow` est exclu de la **couverture**
+(`sonar.coverage.exclusions`) : ses tests ne font que charger les DAGs, ils ne mesurent rien.
+Piège : tout nouveau dossier de tests doit être déclaré dans `sonar.tests`, faute de quoi il est
+compté comme code de production non couvert (cf. l'incident ci-dessous).
 
 **L'incident, à raconter tel quel.** Les 18 et 19 septembre, trois PR (#103, #105, #107) sont
 restées bloquées sur une quality gate rouge annonçant une couverture du code neuf à 0 %, alors que

ml/README.md

@@ -103,7 +103,7 @@ prevision (utile plus tard pour comparer prevision et realise, surveillance de d
 uv run ruff check .                       # lint
 uv run ruff format .                      # format
 uv run mypy enervision_ml tests           # typage strict
-uv run pytest                             # tests
+uv run pytest                             # tests + couverture (ml/coverage.xml avec --cov-report=xml, lu par Sonar)
 ```
 
 Depuis la racine du monorepo, via le `Makefile` : `make install-ml`, `make ml-lint`,

ml/pyproject.toml

@@ -17,6 +17,7 @@ dev = [
     "ruff>=0.16.7",
     "mypy>=2.3.1",
     "pytest>=9.1.1",
+    "pytest-cov>=7.1.0",
     "pandas-stubs>=3.0.5.260914",
 ]
 
@@ -75,5 +76,14 @@ ignore_missing_imports = true
 
 [tool.pytest.ini_options]
 testpaths = ["tests"]
-addopts = "-q --strict-markers -m 'not integration'"
+addopts = "-q --strict-markers -m 'not integration' --cov=enervision_ml --cov-report=term-missing"
 markers = ["integration: requiert une base PostgreSQL joignable"]
+
+# Rapport lu par SonarCloud (`ml/coverage.xml`, cf. sonar-project.properties), meme mecanisme que
+# apps/backend. Pas de seuil ici : celui de la quality gate porte sur le code nouveau.
+[tool.coverage.run]
+source = ["enervision_ml"]
+branch = true
+
+[tool.coverage.report]
+show_missing = true

ml/uv.lock

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+version = "7.16.1"
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+]
+
 [[package]]
 name = "cryptography"
 version = "50.0.1"
@@ -494,6 +533,7 @@ dev = [
     { name = "mypy" },
     { name = "pandas-stubs" },
     { name = "pytest" },
+    { name = "pytest-cov" },
     { name = "ruff" },
 ]
 
@@ -512,6 +552,7 @@ dev = [
     { name = "mypy", specifier = ">=2.3.1" },
     { name = "pandas-stubs", specifier = ">=3.0.5.260914" },
     { name = "pytest", specifier = ">=9.1.1" },
+    { name = "pytest-cov", specifier = ">=7.1.0" },
     { name = "ruff", specifier = ">=0.16.7" },
 ]
 
@@ -1591,6 +1632,20 @@ wheels = [
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 ]
 
+[[package]]
+name = "pytest-cov"
+version = "7.1.0"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "coverage" },
+    { name = "pluggy" },
+    { name = "pytest" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/b1/51/a849f96e117386044471c8ec2bd6cfebacda285da9525c9106aeb28da671/pytest_cov-7.1.0.tar.gz", hash = "sha256:30674f2b5f6351aa09702a9c8c364f6a01c27aae0c1366ae8016160d1efc56b2", size = 55592, upload-time = "2026-03-21T20:11:16.284Z" }
+wheels = [
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+]
+
 [[package]]
 name = "python-dateutil"
 version = "2.9.0.post0"

sonar-project.properties

@@ -3,15 +3,17 @@ sonar.organization=groupe3-ener-vision
 sonar.sourceEncoding=UTF-8
 
 #  Dossier contenant le code source
-sonar.sources=apps/frontend/src,apps/backend
+sonar.sources=apps/frontend/src,apps/backend,ml,etl/airflow
 #  Dossier contenant les tests
-sonar.tests=apps/frontend/src,apps/backend/tests
+sonar.tests=apps/frontend/src,apps/backend/tests,ml/tests,etl/airflow/tests
 sonar.test.inclusions=**/*.spec.ts,**/*.test.ts,**/*test_*.py,**/*test.py
 
 #  Liste des fichiers et dossiers à exclure de l'analyse
-sonar.exclusions=.pytest_cache,.venv,alembic,tests,**/*/node_modules/**,**/*/dist/**,**/*/build/**,**/*.spec.ts,**/*.test.ts,**/*test_*.py,**/*test.py,**/*.spec.ts
+sonar.exclusions=.pytest_cache,.venv,.airflow_home,alembic,tests,ml/data/**,ml/models/**,ml/mlruns/**,ml/mlartifacts/**,**/*/node_modules/**,**/*/dist/**,**/*/build/**,**/*.spec.ts,**/*.test.ts,**/*test_*.py,**/*test.py,**/*.spec.ts
 
 #  Chemin vers le rapport de couverture de code
 #  Fichier généré par Pytest
-sonar.python.coverage.reportPaths=apps/backend/coverage.xml
+sonar.python.coverage.reportPaths=apps/backend/coverage.xml,ml/coverage.xml
+#  Les DAGs n'ont pas de couverture mesurable : leurs tests ne font que les charger (DagBag)
+sonar.coverage.exclusions=etl/airflow/**
 sonar.javascript.lcov.reportPaths=apps/frontend/coverage/frontend/lcov.info