chore(git): retire le motif airflow-webserver.pid du .gitignore

Airflow 3 n'a plus de webserver : le fichier n'est plus produit. Dernier point
de la revue de la PR #143.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

.env.example

@@ -17,9 +17,60 @@ APP_LOG_LEVEL=INFO
 APP_SECRET_KEY=change_me
 APP_CORS_ORIGINS=http://localhost:4200
 BACKEND_PORT=8000
+FRONTEND_PORT=3000
+
+# Mailpit capture les courriels du backend, rien ne sort vers l'extérieur.
+MAILPIT_SMTP_PORT=1025
+MAILPIT_UI_PORT=8025
 
 # API Mock EnerVision
 APP_MOCK_API_BASE_URL=https://api-mock.charlieandre.fr
 APP_MOCK_API_USERNAME=change_me
 APP_MOCK_API_PASSWORD=change_me
 APP_MOCK_API_TIMEOUT_SECONDS=10
+
+# Airflow (api-server + scheduler + dag-processor, LocalExecutor). Base de métadonnées dédiée `airflow` dans le
+# même conteneur `db` (cf. db/init/120-airflow-database.sql), pas un conteneur de plus.
+AIRFLOW_PORT=8080
+# Chiffre les connexions/variables stockées par Airflow. Générer la vôtre :
+# python -c "from cryptography.fernet import Fernet; print(Fernet.generate_key().decode())"
+AIRFLOW_FERNET_KEY=change_me
+# Clé de session de l'api-server Airflow, distincte de la précédente. Générer la
+# vôtre : python -c "import secrets; print(secrets.token_urlsafe(48))"
+AIRFLOW_API_SECRET_KEY=change_me
+# Secret des jetons JWT entre scheduler, tâches et api-server (conteneurs distincts, le secret
+# doit être partagé). Même générateur que ci-dessus.
+AIRFLOW_JWT_SECRET=change_me
+AIRFLOW_ADMIN_USERNAME=admin
+# Compte Airflow créé au premier démarrage (service `airflow-init`), sans rapport avec les
+# comptes `app_user` d'EnerVision.
+AIRFLOW_ADMIN_PASSWORD=change_me
+AIRFLOW_ADMIN_EMAIL=admin@enervision.fr
+# `APP_SECRET_KEY` du backend, que le DAG `alertes` lance en sous-processus. Distincte de
+# celle de l'API : la détection ne signe aucun jeton, et Airflow exécute du code depuis son
+# interface (cf. ADR 0008). Générer la vôtre :
+# python -c "import secrets; print(secrets.token_urlsafe(48))"
+AIRFLOW_APP_SECRET_KEY=change_me
+
+# Stack complète derrière le reverse proxy (docker-compose.prod.yml).
+# PUBLIC_HOST alimente l'origine CORS, le lien de réinitialisation et le certificat.
+PUBLIC_HOST=enervision.local
+ACME_EMAIL=
+
+# Deux environnements sur la même machine (ADR 0009) : un dossier, un `.env` et un projet Compose
+# chacun. Le nom de projet préfixe volumes, réseau et conteneurs et l'emporte sur `name:`.
+# Vide sur un poste de développement : le projet reste `enervision`.
+COMPOSE_PROJECT_NAME=
+# Origine publique, avec le port si le proxy HTTPS n'écoute pas 443. Vide : https://PUBLIC_HOST.
+# Recette : PUBLIC_HOST=rec.enervision.local et PUBLIC_ORIGIN=https://rec.enervision.local:8443.
+PUBLIC_ORIGIN=
+# Ports publiés par le proxy. Vides : 80 et 443. Recette : PROXY_HTTPS_PORT=8443 et
+# PROXY_HTTP_PORT=127.0.0.1:8081, la redirection vers 443 n'ayant pas à être joignable de
+# l'extérieur. Décaler aussi POSTGRES_PORT, MAILPIT_UI_PORT et AIRFLOW_PORT (5434, 8026, 8082).
+PROXY_HTTP_PORT=
+PROXY_HTTPS_PORT=
+# Réglages mémoire de la stack déployée. Sans eux, timescaledb-tune réserve 25 % de la RAM de la
+# machine à chaque base au premier démarrage. L'api-server Airflow 3 n'a rien à régler ici : son
+# nombre de workers vaut 1 par défaut, contre 4 pour le webserver d'Airflow 2.
+TS_TUNE_MEMORY=2GB
+TS_TUNE_NUM_CPUS=2

.github/dependabot.yml

@@ -10,6 +10,15 @@ updates:
       frontend-dependencies:
         patterns:
           - "*"
+    ignore:
+      # Pourquoi : @angular/build épingle typescript (>=6.0 <6.1) et vitest (^4). Une majeure
+      # de l'un ou l'autre casse `npm ci` tant qu'Angular ne suit pas.
+      - dependency-name: "typescript"
+        update-types: ["version-update:semver-major"]
+      - dependency-name: "vitest"
+        update-types: ["version-update:semver-major"]
+      - dependency-name: "@vitest/coverage-v8"
+        update-types: ["version-update:semver-major"]
 
   # Backend — uv (lit pyproject.toml / uv.lock)
   - package-ecosystem: "uv"
@@ -38,3 +47,9 @@ updates:
     directory: "/apps/frontend"
     schedule:
       interval: "weekly"
+
+  # Images du reverse proxy et du compagnon ACME, épinglées dans les fichiers Compose
+  - package-ecosystem: "docker-compose"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/airflow.yml

@@ -0,0 +1,103 @@
+name: Airflow
+
+# Piège : la version de Python vient de etl/airflow/.python-version. C'est 3.12 et non 3.14
+# (contrairement à backend.yml et ml.yml) : celui de l'image apache/airflow retenue, et les tests
+# doivent tourner sur le même interpréteur qu'elle. Le 3.14 de ml/ ne vit que dans l'image
+# Docker, dans son propre environnement (cf. etl/airflow/Dockerfile).
+#
+# Piège : l'image COPY les fichiers de dépendances et le code de ml/ et de apps/backend/. Une
+# modification de l'un ou de l'autre peut donc casser sa construction, d'où ces chemins dans
+# les déclencheurs, alors même que ce workflow ne teste ni le modèle ni l'API.
+
+on:
+  push:
+    paths:
+      - "etl/airflow/**"
+      - "ml/pyproject.toml"
+      - "ml/uv.lock"
+      - "ml/enervision_ml/**"
+      - "apps/backend/pyproject.toml"
+      - "apps/backend/uv.lock"
+      - "apps/backend/app/**"
+      - ".github/workflows/airflow.yml"
+  pull_request:
+    paths:
+      - "etl/airflow/**"
+      - "ml/pyproject.toml"
+      - "ml/uv.lock"
+      - "ml/enervision_ml/**"
+      - "apps/backend/pyproject.toml"
+      - "apps/backend/uv.lock"
+      - "apps/backend/app/**"
+      - ".github/workflows/airflow.yml"
+
+permissions:
+  contents: read
+
+concurrency:
+  group: airflow-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  verification:
+    name: Lint et intégrité des DAGs
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: etl/airflow
+
+    steps:
+      - name: Récupère le dépôt
+        uses: actions/checkout@v7
+
+      - name: Installe uv
+        uses: astral-sh/setup-uv@v7
+        with:
+          enable-cache: true
+          cache-dependency-glob: etl/airflow/uv.lock
+
+      - name: Installe l'interpréteur déclaré par .python-version
+        run: uv python install
+
+      - name: Synchronise les dépendances sans dévier du verrou
+        run: uv sync --all-groups --frozen
+
+      - name: Vérifie le formatage
+        run: uv run ruff format --check .
+
+      - name: Analyse statique
+        run: uv run ruff check --output-format=github .
+
+      # Aucun test ne lance de tâche ni de scheduler : DagBag charge les fichiers de dags/ et
+      # vérifie import, planification, plafonds d'exécution et commande de chaque tâche.
+      - name: Tests d'intégrité des DAGs
+        run: uv run pytest
+
+  image:
+    name: Construction de l'image
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Récupère le dépôt
+        uses: actions/checkout@v7
+
+      - name: Construit l'image (contexte à la racine, elle COPY ml/ et apps/backend/)
+        run: docker build -f etl/airflow/Dockerfile -t enervision-airflow:ci .
+
+      # Vérifie ce qui ne casse qu'à l'exécution, pas à la construction : libgomp1 absent
+      # (`OSError: libgomp.so.1` au premier import) ou environnement ml/ non figé.
+      - name: Vérifie que le pipeline ML s'importe sans réseau
+        run: >
+          docker run --rm --network none enervision-airflow:ci
+          bash -c "cd /opt/ml && env -u VIRTUAL_ENV uv run --no-sync python -m enervision_ml.train --help"
+
+      # `--help` sort par argparse avant `get_settings()` : ni base ni secret requis, et
+      # l'import des modules prouve que l'environnement /opt/backend est complet.
+      # Les deux commandes du DAG `alertes` et la commande du DAG historique sont couvertes.
+      - name: Vérifie que les trois commandes backend s'importent sans réseau
+        run: >
+          docker run --rm --network none enervision-airflow:ci
+          bash -c "cd /opt/backend
+          && env -u VIRTUAL_ENV uv run --no-sync python -m app.detection.internal_alerts --help
+          && env -u VIRTUAL_ENV uv run --no-sync python -m app.cli generate-recommendations --help
+          && env -u VIRTUAL_ENV uv run --no-sync python -m app.etl.historical_import --help"

.github/workflows/backend.yml

@@ -30,10 +30,10 @@ jobs:
 
     steps:
       - name: Récupère le dépôt
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Installe uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v7
         with:
           enable-cache: true
           cache-dependency-glob: apps/backend/uv.lock
@@ -90,10 +90,10 @@ jobs:
 
     steps:
       - name: Récupère le dépôt
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Installe uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v7
         with:
           enable-cache: true
           cache-dependency-glob: apps/backend/uv.lock
@@ -126,10 +126,10 @@ jobs:
 
     steps:
       - name: Récupère le dépôt
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Installe uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v7
         with:
           enable-cache: true
           cache-dependency-glob: apps/backend/uv.lock
@@ -140,3 +140,29 @@ jobs:
         # Piège : sans `shell: bash`, un échec de `uv export` serait masqué par le pipe.
         shell: bash
         run: uv export --frozen --no-dev --no-emit-project --no-hashes | uvx pip-audit --requirement /dev/stdin --no-deps
+
+  sast:
+    name: Analyse statique de sécurité
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: apps/backend
+
+    steps:
+      - name: Récupère le dépôt
+        uses: actions/checkout@v7
+
+      # Pourquoi : pas de cache ici. uvx n'installe pas le projet, le verrou n'alimente donc
+      # aucune clé de cache ; la seule roue téléchargée est celle de Bandit.
+      - name: Installe uv
+        uses: astral-sh/setup-uv@v7
+
+      # Pourquoi : le périmètre est `app`, le code livré. Les tests emploient légitimement des
+      # secrets factices et des `assert` que Bandit signalerait sans qu'aucun n'atteigne la prod.
+      - name: Analyse le code livré (bloquant à partir de MEDIUM)
+        run: uvx bandit==1.9.4 --recursive app --severity-level medium --confidence-level medium
+
+      # Piège : sans cette seconde passe, un constat LOW disparaîtrait du journal sans trace.
+      - name: Rapport complet, tous niveaux
+        continue-on-error: true
+        run: uvx bandit==1.9.4 --recursive app

.github/workflows/deploy.yml

@@ -0,0 +1,58 @@
+# Pourquoi : le runner tourne sur la VM ENI, adresse privée que les runners hébergés par GitHub
+# ne joignent pas, et travaille dans un dossier stable par environnement plutôt que dans son
+# espace de travail : `.env`, certificats et volumes y survivent d'un déploiement à l'autre.
+# Piège : jamais de déclencheur `pull_request` ici. Sur un dépôt public, une PR de fork
+# exécuterait son code sur la machine de production (ADR 0009) - job deploy.
+
+name: Déploiement
+
+on:
+  push:
+    branches: [dev, main]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+concurrency:
+  group: deploy-${{ github.ref_name }}
+  cancel-in-progress: false
+
+jobs:
+  deploy:
+    runs-on: [self-hosted, linux, eni-g3]
+    timeout-minutes: 30
+    environment:
+      name: ${{ github.ref_name == 'main' && 'prod' || 'rec' }}
+      url: ${{ github.ref_name == 'main' && 'https://enervision.local' || 'https://rec.enervision.local:8443' }}
+    env:
+      ENVIRONNEMENT: ${{ github.ref_name == 'main' && 'prod' || 'rec' }}
+      PORT_HTTPS: ${{ github.ref_name == 'main' && '443' || '8443' }}
+    steps:
+      - name: Aligner le dossier de l'environnement sur la branche poussée
+        run: |
+          cd "/srv/enervision/${ENVIRONNEMENT}"
+          git fetch --quiet origin "${GITHUB_REF_NAME}"
+          git checkout --quiet "${GITHUB_REF_NAME}"
+          git reset --quiet --hard "origin/${GITHUB_REF_NAME}"
+          git log -1 --format='%h %s'
+
+      - name: Reconstruire et redémarrer la stack
+        run: |
+          cd "/srv/enervision/${ENVIRONNEMENT}"
+          make stack-up
+
+      - name: Attendre que l'API réponde derrière le proxy
+        run: |
+          for tentative in $(seq 1 36); do
+            if curl --fail --silent --insecure "https://localhost:${PORT_HTTPS}/api/v1/health/ready"; then
+              exit 0
+            fi
+            sleep 5
+          done
+          echo "L'API ne répond pas après 3 minutes" >&2
+          cd "/srv/enervision/${ENVIRONNEMENT}"
+          compose="docker compose -f docker-compose.yml -f docker-compose.prod.yml"
+          $compose ps
+          $compose logs --tail=50 backend proxy
+          exit 1

.github/workflows/frontend.yml

@@ -17,10 +17,10 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
-      - uses: actions/setup-node@v6
+      - uses: actions/checkout@v7
+      - uses: actions/setup-node@v7
         with:
-          node-version: 24
+          node-version: 26
           cache: npm
           cache-dependency-path: apps/frontend/package-lock.json
 
@@ -33,10 +33,10 @@ jobs:
     name: Audit des dépendances
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
-      - uses: actions/setup-node@v6
+      - uses: actions/checkout@v7
+      - uses: actions/setup-node@v7
         with:
-          node-version: 24
+          node-version: 26
       # Seuil high : une vulnérabilité moderate de devDependency ne doit pas bloquer une livraison.
       - run: npm audit --audit-level=high --package-lock-only
         working-directory: apps/frontend
@@ -45,10 +45,10 @@ jobs:
     needs: build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
-      - uses: actions/setup-node@v6
+      - uses: actions/checkout@v7
+      - uses: actions/setup-node@v7
         with:
-          node-version: 24
+          node-version: 26
           cache: npm
           cache-dependency-path: apps/frontend/package-lock.json
       - name : Installation des dépendances (Front)
@@ -58,7 +58,7 @@ jobs:
         run: npm test --watch=false --code-coverage --coverageReporters=lcov
         working-directory: apps/frontend
       - name: Upload coverage
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: frontend-coverage
           path: apps/frontend/coverage/frontend/lcov.info

.github/workflows/ml.yml

@@ -30,10 +30,10 @@ jobs:
 
     steps:
       - name: Récupère le dépôt
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Installe uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v7
         with:
           enable-cache: true
           cache-dependency-glob: ml/uv.lock
@@ -57,3 +57,26 @@ jobs:
       # synthetiques ou un magasin SQLite local jetable (cf. ml/tests/test_train.py).
       - name: Tests
         run: uv run pytest
+
+  sast:
+    name: Analyse statique de sécurité
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: ml
+
+    steps:
+      - name: Récupère le dépôt
+        uses: actions/checkout@v7
+
+      # Pourquoi : pas de cache ici. uvx n'installe pas le projet, le verrou n'alimente donc
+      # aucune clé de cache ; la seule roue téléchargée est celle de Bandit.
+      - name: Installe uv
+        uses: astral-sh/setup-uv@v7
+
+      - name: Analyse le code livré (bloquant à partir de MEDIUM)
+        run: uvx bandit==1.9.4 --recursive enervision_ml --severity-level medium --confidence-level medium
+
+      - name: Rapport complet, tous niveaux
+        continue-on-error: true
+        run: uvx bandit==1.9.4 --recursive enervision_ml

.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"
 
 
@@ -20,10 +24,10 @@ jobs:
   build-front:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
-      - uses: actions/setup-node@v6
+      - uses: actions/checkout@v7
+      - uses: actions/setup-node@v7
         with:
-          node-version: 24
+          node-version: 26
           cache: npm
           cache-dependency-path: apps/frontend/package-lock.json
       
@@ -36,10 +40,10 @@ jobs:
     needs: build-front
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
-      - uses: actions/setup-node@v6
+      - uses: actions/checkout@v7
+      - uses: actions/setup-node@v7
         with:
-          node-version: 24
+          node-version: 26
           cache: npm
           cache-dependency-path: apps/frontend/package-lock.json
 
@@ -52,7 +56,7 @@ jobs:
         working-directory: apps/frontend
 
       - name: Upload coverage
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: frontend-coverage
           path: apps/frontend/coverage/frontend/lcov.info
@@ -60,9 +64,9 @@ jobs:
   build-back:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Installe uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v7
         with:
           enable-cache: true
           cache-dependency-glob: apps/backend/uv.lock
@@ -91,9 +95,9 @@ jobs:
     needs: build-back
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Installe uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v7
         with:
           enable-cache: true
           cache-dependency-glob: apps/backend/uv.lock
@@ -103,29 +107,65 @@ jobs:
         working-directory: apps/backend
 
       - name: Upload coverage
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: backend-coverage
           path: apps/backend/coverage.xml
 
-  sonarqube:
-    needs: [build-front, build-back, test-front, test-back]
-    name: SonarQube
+  test-ml:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
+      - name: Installe uv
+        uses: astral-sh/setup-uv@v7
+        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@v7
+        with:
+          name: ml-coverage
+          path: ml/coverage.xml
+
+  sonarqube:
+    needs: [build-front, build-back, test-front, test-back, test-ml]
+    name: SonarQube
+    # Pourquoi : GitHub ne fournit pas les secrets aux workflows lancés par dependabot[bot].
+    # Sans SONAR_TOKEN le scan échoue sans rien analyser ; build et tests restent joués.
+    if: github.actor != 'dependabot[bot]'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
       - name: Téléchargement du rapport de couverture (Front)
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v8
         with:
           name: frontend-coverage
           path: apps/frontend/coverage/frontend
       - name: Téléchargement du rapport de couverture (Back)
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v8
         with:
           name: backend-coverage
           path: apps/backend
+      - name: Téléchargement du rapport de couverture (ML)
+        uses: actions/download-artifact@v8
+        with:
+          name: ml-coverage
+          path: ml
       - name: SonarQube Scan
         uses: SonarSource/sonarqube-scan-action@v8
         env:

.gitignore

@@ -40,7 +40,6 @@ kubeconfig
 # Airflow
 etl/airflow/logs/
 airflow.db
-airflow-webserver.pid
 standalone_admin_password.txt
 
 # Environnement et secrets
@@ -66,6 +65,12 @@ ml/mlruns/
 ml/mlartifacts/
 ml/mlflow.db
 
+# Airflow : base sqlite locale generee par les tests d'integrite des DAGs (etl/airflow/tests)
+etl/airflow/tests/.airflow_home/
+
+# TLS : certificats du reverse proxy, générés par script ou par certbot
+infra/proxy/tls/*.pem
+
 # IDE et OS
 .idea/
 .vscode/

Makefile

@@ -1,17 +1,48 @@
 BACKEND := apps/backend
 FRONTEND := apps/frontend
 ML := ml
+AIRFLOW := etl/airflow
+COMPOSE_PROD := docker compose -f docker-compose.yml -f docker-compose.prod.yml
+
+# Piège : sans `export`, une valeur passée en ligne de commande n'atteindrait pas docker compose.
+# PUBLIC_HOST retombe sur le `.env`, que make ne lit pas, puis sur la valeur de `.env.example`.
+PUBLIC_HOST ?= $(shell sed -n 's/^PUBLIC_HOST=//p' .env 2>/dev/null | tail -1)
+PUBLIC_HOST := $(or $(strip $(PUBLIC_HOST)),enervision.local)
+export PUBLIC_HOST
+ifdef ACME_EMAIL
+export ACME_EMAIL
+endif
+
+# Piege : make ne lit pas `.env`, que seul docker compose interpole. Les cibles hors conteneur
+# (ml-*, demo-data, db-wait) joignent la base par le port publie et ont besoin de ces valeurs.
+env-val = $(shell sed -n 's/^$(1)=//p' .env 2>/dev/null | tail -1)
+PG_USER := $(or $(strip $(call env-val,POSTGRES_USER)),enervision)
+PG_PASSWORD := $(or $(strip $(call env-val,POSTGRES_PASSWORD)),change_me)
+PG_DB := $(or $(strip $(call env-val,POSTGRES_DB)),enervision)
+PG_PORT := $(or $(strip $(call env-val,POSTGRES_PORT)),5433)
+AIRFLOW_PORT := $(or $(strip $(call env-val,AIRFLOW_PORT)),8080)
+MAILPIT_UI_PORT := $(or $(strip $(call env-val,MAILPIT_UI_PORT)),8025)
+ML_DATABASE_URL ?= postgresql+psycopg://$(PG_USER):$(PG_PASSWORD)@localhost:$(PG_PORT)/$(PG_DB)
+export ML_DATABASE_URL
+
+# Le jeu historique s'arrete au 31/12/2024 : score et detection ancres a l'horloge reelle ne
+# verraient qu'un parc muet depuis des mois. Cf. `--now` de enervision_ml.score.
+DEMO_NOW ?= 2024-12-31T00:00:00Z
 
 .DEFAULT_GOAL := help
-.PHONY: help install install-backend install-frontend install-ml dev dev-backend dev-frontend \
+.PHONY: help install install-backend install-frontend install-ml install-airflow \
+        dev dev-backend dev-frontend \
         lint format typecheck test test-cov test-integration check \
-        openapi docker-build db-up db-down db-reset db-logs db-psql migrate bootstrap-admin \
-        ml-lint ml-typecheck ml-test ml-check ml-train ml-score
+        openapi docker-build db-up db-down db-reset db-logs db-psql db-wait db-ensure-airflow \
+        migrate bootstrap-admin services-up demo-data demo-data-force \
+        ml-lint ml-typecheck ml-test ml-check ml-train ml-score detect-alerts recommendations \
+        airflow-lint airflow-test airflow-check airflow-up airflow-down airflow-logs \
+        tls-selfsigned tls-acme tls-renew stack-up stack-down stack-logs
 
 help: ## Liste les cibles disponibles
 	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "  \033[36m%-16s\033[0m %s\n", $$1, $$2}'
 
-install: install-backend install-frontend install-ml ## Installe les dépendances backend, frontend et ML
+install: install-backend install-frontend install-ml install-airflow ## Installe les dépendances backend, frontend, ML et Airflow
 
 install-backend: ## Installe les dépendances du backend
 	cd $(BACKEND) && uv sync --all-groups
@@ -22,12 +53,22 @@ install-frontend: ## Installe les dépendances du frontend
 install-ml: ## Installe les dépendances du pipeline ML
 	cd $(ML) && uv sync --all-groups
 
-dev: ## Lance toute la stack (backend + frontend) en rechargement à chaud
+install-airflow: ## Installe les dépendances de lint/test des DAGs Airflow
+	cd $(AIRFLOW) && uv sync --all-groups
+
+dev: services-up migrate demo-data ## Lance toute la stack : base, Mailpit, Airflow, puis backend et frontend
+	@echo "airflow  -> http://localhost:$(AIRFLOW_PORT)  mailpit -> http://localhost:$(MAILPIT_UI_PORT)"
 	@trap 'kill 0' EXIT INT TERM; \
 	$(MAKE) --no-print-directory dev-backend & \
 	$(MAKE) --no-print-directory dev-frontend & \
 	wait
 
+services-up: ## Démarre les services conteneurisés dont `make dev` dépend (base, Mailpit, Airflow)
+	docker compose up -d db mailpit
+	@$(MAKE) --no-print-directory db-wait
+	@$(MAKE) --no-print-directory db-ensure-airflow
+	docker compose up -d airflow-init airflow-apiserver airflow-scheduler airflow-dag-processor
+
 dev-backend: ## Lance l'API seule en rechargement à chaud
 	@echo "backend  -> http://localhost:8000 (docs sur /docs)"
 	cd $(BACKEND) && uv run uvicorn app.main:create_app --factory --reload --host 0.0.0.0 --port 8000
@@ -74,12 +115,68 @@ ml-check: ml-lint ml-typecheck ml-test ## Chaîne de vérification complète du
 ml-train: ## Entraine le modele LightGBM. CSV=chemin optionnel, sinon lit ML_DATABASE_URL
 	cd $(ML) && uv run python -m enervision_ml.train $(if $(CSV),--csv $(CSV),)
 
-ml-score: ## Score le prochain pas horaire et l'ecrit dans `prediction`. CSV=chemin optionnel
-	cd $(ML) && uv run python -m enervision_ml.score $(if $(CSV),--csv $(CSV),)
+ml-score: ## Score le prochain pas horaire et l'ecrit dans `prediction`. CSV= et NOW= optionnels
+	cd $(ML) && uv run python -m enervision_ml.score $(if $(CSV),--csv $(CSV),) $(if $(NOW),--now $(NOW),)
+
+detect-alerts: ## Détecte les alertes internes depuis les lectures en base. SITE= et NOW= optionnels
+	cd $(BACKEND) && uv run python -m app.detection.internal_alerts $(if $(SITE),--site-id $(SITE),) $(if $(NOW),--now $(NOW),)
+
+recommendations: ## Genere les recommandations depuis les alertes en base. SITE=identifiant optionnel
+	cd $(BACKEND) && uv run python -m app.cli generate-recommendations $(if $(SITE),--site-id $(SITE),)
+
+airflow-lint: ## Analyse statique des DAGs Airflow
+	cd $(AIRFLOW) && uv run ruff check .
+
+airflow-test: ## Verifie que les DAGs s'importent sans erreur et ont la structure attendue
+	cd $(AIRFLOW) && uv run pytest
+
+airflow-check: airflow-lint airflow-test ## Chaîne de vérification complète des DAGs Airflow
+
+airflow-up: db-ensure-airflow ## Démarre Airflow (api-server + scheduler + dag-processor, LocalExecutor). db-up requis avant.
+	docker compose up -d airflow-init airflow-apiserver airflow-scheduler airflow-dag-processor
+	@echo "airflow  -> http://localhost:$${AIRFLOW_PORT:-8080}"
+
+airflow-down: ## Arrête l'api-server, le scheduler et le dag-processor Airflow
+	docker compose stop airflow-apiserver airflow-scheduler airflow-dag-processor
+
+airflow-logs: ## Suit les journaux du scheduler Airflow (où tournent les tâches, LocalExecutor)
+	docker compose logs -f airflow-scheduler
 
 docker-build: ## Construit l'image du backend
 	docker build -t enervision-backend:local $(BACKEND)
 
+tls-selfsigned: ## Génère le certificat de démonstration. PUBLIC_HOST=..., FORCE=1 pour écraser
+	./scripts/tls-selfsigned.sh $(if $(FORCE),--force,)
+
+# Piège : l'image backend ne migre pas au démarrage, et `/health/ready` ne teste que la connexion
+# et l'extension. Sans `alembic upgrade head`, la stack démarre verte sur une base sans schéma.
+stack-up: ## Démarre la stack derrière le reverse proxy, puis migre la base. PUBLIC_HOST=... au besoin
+	@test -f infra/proxy/tls/fullchain.pem \
+		|| { echo "Aucun certificat dans infra/proxy/tls. Lancer d'abord make tls-selfsigned"; exit 1; }
+	@openssl x509 -in infra/proxy/tls/fullchain.pem -noout -checkhost "$(PUBLIC_HOST)" >/dev/null \
+		|| { echo "Le certificat ne couvre pas $(PUBLIC_HOST). Relancer make tls-selfsigned PUBLIC_HOST=$(PUBLIC_HOST) FORCE=1"; exit 1; }
+	$(COMPOSE_PROD) up -d --build
+	$(COMPOSE_PROD) exec -T backend alembic upgrade head
+
+stack-down: ## Arrête la stack complète en conservant les données
+	$(COMPOSE_PROD) stop
+
+stack-logs: ## Suit les journaux du reverse proxy
+	$(COMPOSE_PROD) logs -f proxy
+
+tls-acme: ## Demande un certificat Let's Encrypt. PUBLIC_HOST public et ACME_EMAIL requis
+	@test "$(PUBLIC_HOST)" != enervision.local \
+		|| { echo "PUBLIC_HOST doit être un domaine public résolvable, pas le nom de démonstration"; exit 1; }
+	$(COMPOSE_PROD) --profile acme run --rm certbot certonly --webroot -w /var/www/certbot \
+		-d $(PUBLIC_HOST) \
+		--email $${ACME_EMAIL:?ACME_EMAIL=... requis} \
+		--agree-tos --no-eff-email --deploy-hook /deploy-hook.sh
+	$(COMPOSE_PROD) exec proxy nginx -s reload
+
+tls-renew: ## Renouvelle les certificats Let's Encrypt et recharge le proxy
+	$(COMPOSE_PROD) --profile acme run --rm certbot renew --deploy-hook /deploy-hook.sh
+	$(COMPOSE_PROD) exec proxy nginx -s reload
+
 db-up: ## Démarre la base PostgreSQL TimescaleDB
 	docker compose up -d db
 
@@ -95,8 +192,36 @@ db-logs: ## Suit les journaux de la base
 db-psql: ## Ouvre une session psql sur la base applicative
 	docker compose exec db psql -U $${POSTGRES_USER:-enervision} -d $${POSTGRES_DB:-enervision}
 
+db-wait: ## Attend que la base accepte les connexions
+	@for _ in $$(seq 1 60); do \
+		docker compose exec -T db pg_isready -U $(PG_USER) -d $(PG_DB) >/dev/null 2>&1 && exit 0; \
+		sleep 1; \
+	done; \
+	echo "La base n'accepte toujours pas de connexion apres 60s"; exit 1
+
+# Piege : db/init ne rejoue qu'a la premiere initialisation du volume. Un `pgdata` cree avant
+# db/init/120-airflow-database.sql n'a pas de base `airflow`, et airflow-init boucle dessus.
+db-ensure-airflow: ## Crée la base de métadonnées Airflow si le volume pgdata est antérieur à db/init/120
+	@docker compose exec -T db psql -U $(PG_USER) -d postgres -tAc \
+		"SELECT 1 FROM pg_database WHERE datname = 'airflow'" | grep -q 1 \
+		|| docker compose exec -T db psql -U $(PG_USER) -d postgres -c "CREATE DATABASE airflow"
+
 migrate: ## Applique les migrations Alembic
 	cd $(BACKEND) && uv run alembic upgrade head
 
 bootstrap-admin: ## Crée le premier administrateur, mot de passe saisi au clavier
 	cd $(BACKEND) && uv run python -m app.cli create-admin --email $${EMAIL:?EMAIL=... requis}
+
+demo-data: ## Renseigne prédictions, alertes et recommandations si elles manquent. NOW= optionnel
+	@nombre=$$(docker compose exec -T db psql -U $(PG_USER) -d $(PG_DB) -tAc 'SELECT count(*) FROM alert') \
+		|| { echo "demo-data : base injoignable ou migrations non appliquees"; exit 1; }; \
+	if [ "$$nombre" = 0 ]; then \
+		$(MAKE) --no-print-directory demo-data-force; \
+	else \
+		echo "demo-data : $$nombre alerte(s) deja en base (make demo-data-force pour rejouer)"; \
+	fi
+
+demo-data-force: ## Rejoue le peuplement sans regarder l'existant. Les trois etapes sont idempotentes
+	$(MAKE) --no-print-directory ml-score NOW=$(DEMO_NOW)
+	$(MAKE) --no-print-directory detect-alerts NOW=$(DEMO_NOW)
+	$(MAKE) --no-print-directory recommendations

README.md

@@ -9,8 +9,10 @@ series temporelles energetiques, deployee sur une machine on-premise.
 |-------|----------------------------------------------------------|
 | J1    | Valider la préparation de l'environnement et du repo     |
 | J2    | Valider le périmètre retenu et les choix technologiques  |
-| J3    | Valider l'architecture et la gestion de la sécurité      |
-| J4    | Valider la robustesse et assurer les livrables           |
+| J3    | Ingestion & backend                                      |
+| J4    | Architecture, sécurité & frontend                        |
+| J5    | Valider la robustesse et assurer les livrables           |
+| J6    | Amélioration possible                                    |
 
 Ce que la documentation apporte à chacun : [docs/architecture/00-vue-ensemble.md](docs/architecture/00-vue-ensemble.md).
 
@@ -18,14 +20,15 @@ Ce que la documentation apporte à chacun : [docs/architecture/00-vue-ensemble.m
 
 | Domaine    | Technologie                         | Emplacement         | Etat          |
 |------------|-------------------------------------|---------------------|---------------|
-| Backend    | FastAPI, Python 3.14                | `apps/backend`      | Initialise    |
-| Frontend   | Angular 22, Node 24 LTS             | `apps/frontend`     | Tableau de bord |
-| Base       | PostgreSQL 17 + TimescaleDB         | `db`                | Initialise    |
-| ETL        | Apache Airflow                      | `etl/airflow`       | A initialiser |
+| Backend    | FastAPI, Python 3.14                | `apps/backend`      | En place    |
+| Frontend   | Angular 22, Node 26                 | `apps/frontend`     | En place |
+| Base       | PostgreSQL 17 + TimescaleDB         | `db`                | En place    |
+| ETL        | Apache Airflow                      | `etl/airflow`       | Quatre DAGs   |
 | Infra      | Terraform (k3s single-node)         | `infra/terraform`   | Initialise    |
-| CI/CD      | GitHub Actions                      | `.github/workflows` | Backend en place |
+| Reverse proxy | Nginx, TLS                       | `infra/proxy`       | En place      |
+| CI/CD      | GitHub Actions                      | `.github/workflows` | En place |
 | Monitoring | Prometheus, Grafana, Alertmanager   | `monitoring`        | A initialiser |
-| ML         | LightGBM, MLflow                    | `ml`                | Entrainement initialise |
+| ML         | LightGBM, MLflow                    | `ml`                | En place |
 
 Le backend, la base et l'infrastructure (Terraform/k3s) sont initialises a ce stade. Le frontend
 sert un tableau de bord sur `/dashboard`, dont les données proviennent de fixtures : les endpoints
@@ -47,13 +50,15 @@ L'etat detaille de chaque brique et les vues d'architecture sont dans
 │   ├── migrations/     Migrations SQL versionnees
 │   └── seeds/          Jeux de donnees de reference
 ├── etl/airflow/
-│   ├── dags/           DAGs d'ingestion et d'agregation
+│   ├── dags/           DAGs d'orchestration (pipeline ML, alertes, import historique)
 │   ├── plugins/        Operateurs et hooks maison
 │   ├── include/        Requetes SQL et ressources des DAGs
 │   └── tests/          Tests d'integrite des DAGs
-├── infra/terraform/
-│   ├── modules/        Modules reutilisables
-│   └── environments/   Racines Terraform, une par environnement
+├── infra/
+│   ├── proxy/          Reverse proxy Nginx : terminaison TLS et routage
+│   └── terraform/
+│       ├── modules/        Modules reutilisables
+│       └── environments/   Racines Terraform, une par environnement
 ├── ml/                 Pipeline d'entrainement LightGBM, suivi MLflow
 ├── monitoring/
 │   ├── prometheus/     Collecte et regles d'alerte
@@ -72,25 +77,53 @@ Prerequis : uv, Docker, Node 24 LTS (npm fourni). Le poste doit disposer de Pyth
 cp .env.example .env                               # variables de docker-compose
 cp apps/backend/.env.example apps/backend/.env     # variables du backend hors conteneur
 
-make db-up     # PostgreSQL + TimescaleDB, publie sur le port 5433
-make install   # dependances du backend et du frontend
-make migrate   # applique les migrations Alembic
-make dev       # backend sur http://localhost:8000 (docs sur /docs), frontend sur http://localhost:4200
+make install   # dependances du backend, du frontend, du ML et des DAGs
+make dev       # toute la stack, voir ci-dessous
 make check     # lint + typage + tests
 ```
 
+`make dev` enchaine tout : demarrage des services conteneurises (base sur le port 5433, Mailpit,
+Airflow), migrations Alembic, peuplement de demonstration si les alertes manquent, puis backend
+et frontend en rechargement a chaud sur le poste.
+
+| Service | Adresse |
+|---|---|
+| Backend | <http://localhost:8000> (documentation sur `/docs`) |
+| Frontend | <http://localhost:4200> |
+| Airflow | <http://localhost:8080> (`AIRFLOW_ADMIN_USERNAME` / `AIRFLOW_ADMIN_PASSWORD` du `.env`) |
+| Mailpit | <http://localhost:8025> |
+
+Le `.env` doit porter les cles Airflow avant le premier `make dev` : `AIRFLOW_FERNET_KEY`,
+`AIRFLOW_API_SECRET_KEY`, `AIRFLOW_JWT_SECRET`, `AIRFLOW_APP_SECRET_KEY` et
+`AIRFLOW_ADMIN_PASSWORD`. Sans elles `airflow-init` refuse de demarrer, et `airflow-apiserver`,
+`airflow-scheduler` et `airflow-dag-processor` avec lui.
+
+Les cibles d'origine restent disponibles pour ne demarrer qu'une partie : `make db-up`,
+`make airflow-up`, `make dev-backend`, `make dev-frontend`.
+
 `make help` liste les cibles disponibles.
 
 Deux fichiers d'environnement, deux usages : `.env` a la racine alimente `docker-compose.yml`,
 `apps/backend/.env` alimente le backend lance sur le poste. Le port 5433 est publie plutot que
 5432, souvent deja pris par une autre base.
 
-La boucle de developpement est `make db-up` puis `make dev` : seule la base tourne en
-conteneur, le backend et le frontend tournent tous les deux sur le poste, lances ensemble par
-`make dev` (logs entrelaces dans le meme terminal, Ctrl+C arrete les deux). `make dev-backend`
-et `make dev-frontend` restent disponibles pour lancer un seul des deux. Le service `backend`
-du `docker-compose.yml` sert la stack complete et la recette, et n'embarque pas le source, donc
-toute modification y demande un `docker compose up -d --build backend`.
+Le backend et le frontend tournent sur le poste, lances ensemble par `make dev` (logs
+entrelaces dans le meme terminal, Ctrl+C arrete les deux) ; la base, Mailpit et Airflow tournent
+en conteneur. Le service `backend` du `docker-compose.yml` sert la stack complete et la recette,
+et n'embarque pas le source, donc toute modification y demande un
+`docker compose up -d --build backend`.
+
+### Donnees de demonstration
+
+Le jeu historique s'arrete au 31/12/2024. `make demo-data` renseigne les tables que les vues
+alertes, recommandations et previsions lisent, en ancrant le scoring et la detection a cette
+date (`DEMO_NOW`) plutot qu'a l'horloge reelle, qui ne verrait qu'un parc muet depuis des mois.
+La cible ne fait rien si des alertes existent deja ; `make demo-data-force` rejoue les trois
+etapes, toutes idempotentes en base.
+
+Un volume `pgdata` cree avant `db/init/120-airflow-database.sql` n'a pas de base `airflow` :
+`db/init` ne rejoue qu'a la premiere initialisation. `make db-ensure-airflow`, appelee par
+`make dev` et `make airflow-up`, la cree au besoin, sans detruire les donnees applicatives.
 
 Verifier que la base repond et que l'extension est chargee :
 
@@ -98,6 +131,27 @@ Verifier que la base repond et que l'extension est chargee :
 curl -s localhost:8000/api/v1/health/ready
 ```
 
+## Stack complète derrière le reverse proxy
+
+Pour servir l'application comme sur la machine cible, en HTTPS et sous une seule origine.
+L'overlay emploie `!override` et `!reset`, donc **Docker Compose 2.24.4 ou plus récent** :
+
+```bash
+make tls-selfsigned PUBLIC_HOST=enervision.local   # certificat de démonstration
+make stack-up PUBLIC_HOST=enervision.local         # nginx en 80/443, rien d'autre n'est publié
+```
+
+Le navigateur avertit d'un émetteur inconnu : Let's Encrypt reste hors d'atteinte tant qu'aucun
+nom de domaine public ne résout vers la machine. Routage, mode ACME et renouvellement dans
+[`infra/proxy/README.md`](infra/proxy/README.md) ; la décision et ses motifs dans
+[l'ADR 0007](docs/adr/0007-terminaison-tls-et-reverse-proxy-nginx.md).
+
+Sur la VM ENI, deux environnements cohabitent, recette sur `dev` et production sur `main`,
+chacun dans son dossier et son projet Compose : `scripts/provision-host.sh` les prépare, le
+workflow `deploy.yml` les redéploie à chaque push par un runner auto-hébergé. Ports, noms
+d'hôte et garde-fous dans [`docs/architecture/10-infra.md`](docs/architecture/10-infra.md) et
+[l'ADR 0009](docs/adr/0009-deux-environnements-compose-sur-la-vm-eni.md).
+
 ## Conventions
 
 - Branches : `feat/`, `fix/`, `chore/`, `docs/`, `test/` suivi d'un libelle court.

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/README.md

@@ -113,6 +113,7 @@ Le sens de dependance est unique : `endpoints` vers `services` vers `repositorie
 | `/api/v1/sites/{site_id}` | Décrit un site | `lecteur` |
 | `/api/v1/recommendations` | Liste les recommandations | `lecteur` |
 | `/api/v1/recommendations/{recommendation_id}` | Décrit une recommandation | `lecteur` |
+| `/api/v1/recommendations/generate` | Génère les recommandations depuis les alertes (POST) | `admin` |
 | `/metrics` | Métriques au format Prometheus | jeton si `APP_METRICS_TOKEN` |
 | `/docs`, `/openapi.json` | Documentation, fermée en `staging` et `prod` | public sinon |
 

apps/backend/app/api/deps.py

@@ -192,7 +192,11 @@ AlertServiceDep = Annotated[AlertService, Depends(get_alert_service)]
 
 
 def get_recommendation_service(session: SessionDep) -> RecommendationService:
-    return RecommendationService(recommendations=RecommendationRepository(session))
+    return RecommendationService(
+        recommendations=RecommendationRepository(session),
+        alerts=AlertRepository(session),
+        transaction=session,
+    )
 
 
 RecommendationServiceDep = Annotated[RecommendationService, Depends(get_recommendation_service)]

apps/backend/app/api/openapi.py

@@ -63,7 +63,7 @@ TAGS: Final[list[dict[str, Any]]] = [
         "name": "recommendations",
         "description": (
             "Consultation des recommandations issues des alertes. Accessible à partir du rôle "
-            "`lecteur`."
+            "`lecteur`. Leur génération par le moteur de règles est réservée au rôle `admin`."
         ),
     },
     {

apps/backend/app/api/v1/endpoints/recommendations.py

@@ -1,13 +1,18 @@
 from fastapi import APIRouter, HTTPException, status
 
-from app.api.deps import LecteurDep, RecommendationServiceDep
-from app.api.openapi import REPONSE_VALIDATION, Reponses
+from app.api.deps import AdminDep, LecteurDep, RecommendationServiceDep
+from app.api.openapi import REPONSE_VALIDATION, REPONSES_ADMIN, Reponses
 from app.schemas.errors import ErrorResponse
-from app.schemas.recommendation import RecommendationResponse
+from app.schemas.recommendation import (
+    RecommendationGenerationResponse,
+    RecommendationResponse,
+)
 from app.services.recommendation import RecommendationNotFoundError
 
 router = APIRouter()
 
+REPONSES_GENERATION: Reponses = {**REPONSES_ADMIN, **REPONSE_VALIDATION}
+
 REPONSES_INTROUVABLE: Reponses = {
     **REPONSE_VALIDATION,
     404: {"model": ErrorResponse, "description": "Aucune recommandation ne porte cet identifiant."},
@@ -38,3 +43,22 @@ async def get_recommendation(
             status_code=status.HTTP_404_NOT_FOUND, detail="Recommandation introuvable"
         ) from erreur
     return RecommendationResponse.model_validate(recommendation)
+
+
+@router.post(
+    "/generate",
+    response_model=RecommendationGenerationResponse,
+    summary="Génère les recommandations à partir des alertes",
+    responses=REPONSES_GENERATION,
+)
+async def generate_recommendations(
+    _: AdminDep,
+    service: RecommendationServiceDep,
+    site_id: str | None = None,
+) -> RecommendationGenerationResponse:
+    rapport = await service.generate(site_id=site_id)
+    return RecommendationGenerationResponse(
+        alerts_examined=rapport.alertes_examinees,
+        recommendations_created=rapport.recommandations_creees,
+        already_present=rapport.deja_presentes,
+    )

apps/backend/app/cli.py

@@ -22,8 +22,11 @@ from app.core.hashing import build_hasher
 from app.core.roles import Role
 from app.db.session import get_session_factory
 from app.main import create_app
+from app.repositories.alert import AlertRepository
+from app.repositories.recommendation import RecommendationRepository
 from app.repositories.user import UserRepository
 from app.schemas.auth import PASSWORD_MIN_LENGTH, SPECIAL_CHARACTERS, valide_complexite
+from app.services.recommendation import RecommendationService
 
 LONGUEUR_MOT_DE_PASSE_GENERE = 24
 CHEMIN_CONTRAT = Path(__file__).resolve().parent.parent / "openapi.json"
@@ -63,6 +66,22 @@ async def create_admin(
     )
 
 
+async def generate_recommendations(*, site_id: str | None) -> str:
+    async with get_session_factory()() as session:
+        service = RecommendationService(
+            recommendations=RecommendationRepository(session),
+            alerts=AlertRepository(session),
+            transaction=session,
+        )
+        rapport = await service.generate(site_id=site_id)
+
+    return (
+        f"{rapport.alertes_examinees} alerte(s) examinée(s), "
+        f"{rapport.recommandations_creees} recommandation(s) créée(s), "
+        f"{rapport.deja_presentes} déjà présente(s)"
+    )
+
+
 # Piège : le schéma ne doit dépendre ni du `.env` du poste ni des variables `APP_*`, sinon le
 # fichier versionné changerait de machine en machine et le test de dérive deviendrait un oracle
 # de configuration locale. Tout ce qui atteint le schéma est donc posé ici, `_env_file` compris.
@@ -109,6 +128,14 @@ def build_parser() -> argparse.ArgumentParser:
         "export-openapi", help="Écrit le contrat OpenAPI sur disque"
     )
     contrat.add_argument("--output", default=str(CHEMIN_CONTRAT))
+
+    recommandations = sous_commandes.add_parser(
+        "generate-recommendations",
+        help="Applique le moteur de règles aux alertes en base",
+    )
+    recommandations.add_argument(
+        "--site-id", default=None, help="Limite le traitement aux alertes d'un site"
+    )
     return parser
 
 
@@ -152,6 +179,10 @@ def main(argv: list[str] | None = None) -> int:
         print(export_openapi(Path(arguments.output)))
         return 0
 
+    if arguments.commande == "generate-recommendations":
+        print(asyncio.run(generate_recommendations(site_id=arguments.site_id)))
+        return 0
+
     mot_de_passe = read_password(generate=arguments.generate)
 
     succes, message = asyncio.run(

apps/backend/app/etl/mock_api_import.py

@@ -1,315 +1,416 @@
-from __future__ import annotations
-
-import argparse
-import asyncio
-import json
-from datetime import datetime
-from typing import Any
-
-import httpx
-from sqlalchemy import text
-from sqlalchemy.ext.asyncio import AsyncConnection, create_async_engine
-
-from app.core.config import get_settings
-
-SOURCE_HISTORY = "api_history"
-
-
-def create_mock_api_client() -> httpx.AsyncClient:
-    settings = get_settings()
-
-    if settings.mock_api_username is None or settings.mock_api_password is None:
-        raise ValueError("Les identifiants de l'API Mock ne sont pas configurés.")
-
-    return httpx.AsyncClient(
-        base_url=settings.mock_api_base_url.rstrip("/"),
-        auth=(
-            settings.mock_api_username,
-            settings.mock_api_password.get_secret_value(),
-        ),
-        timeout=settings.mock_api_timeout_seconds,
-    )
-
-
-async def fetch_sites(
-    client: httpx.AsyncClient,
-) -> list[dict[str, Any]]:
-    response = await client.get("/api/v1/sites")
-
-    response.raise_for_status()
-
-    payload = response.json()
-
-    if not isinstance(payload, list):
-        raise ValueError("La réponse /api/v1/sites doit être une liste.")
-
-    return payload
-
-
-async def upsert_sites(
-    connection: AsyncConnection,
-    sites: list[dict[str, Any]],
-) -> None:
-    if not sites:
-        return
-
-    await connection.execute(
-        text(
-            """
-            INSERT INTO site (
-                site_id,
-                site_type,
-                site_name,
-                location,
-                capacity_kw,
-                status
-            )
-            VALUES (
-                :site_id,
-                :site_type,
-                :site_name,
-                :location,
-                :capacity_kw,
-                :status
-            )
-            ON CONFLICT (site_id)
-            DO UPDATE SET
-                site_type = EXCLUDED.site_type,
-                site_name = EXCLUDED.site_name,
-                location = EXCLUDED.location,
-                capacity_kw = EXCLUDED.capacity_kw,
-                status = EXCLUDED.status
-            """
-        ),
-        sites,
-    )
-
-
-async def fetch_readings(
-    client: httpx.AsyncClient,
-    site_id: str,
-    start_time: datetime,
-    end_time: datetime,
-    limit: int = 1000,
-) -> list[dict[str, Any]]:
-    response = await client.get(
-        "/api/v1/readings",
-        params={
-            "site_id": site_id,
-            "start_time": start_time.isoformat(),
-            "end_time": end_time.isoformat(),
-            "limit": limit,
-        },
-    )
-
-    response.raise_for_status()
-
-    payload = response.json()
-
-    if not isinstance(payload, list):
-        raise ValueError("La réponse /api/v1/readings doit être une liste.")
-
-    return payload
-
-
-def build_reading_row(
-    reading: dict[str, Any],
-) -> dict[str, Any]:
-    timestamp = datetime.fromisoformat(reading["timestamp"].replace("Z", "+00:00"))
-    return {
-        "site_id": reading["site_id"],
-        "timestamp": timestamp,
-        "source": SOURCE_HISTORY,
-        "dataset_id": None,
-        "consumption_kw": reading.get("consumption_kw"),
-        "consumption_kwh": reading.get("consumption_kwh"),
-        "consumption_euros": None,
-        "voltage_v": reading.get("voltage_v"),
-        "current_a": reading.get("current_a"),
-        "power_factor": reading.get("power_factor"),
-        "temperature_celsius": reading.get("temperature_celsius"),
-        "humidity_percent": reading.get("humidity_percent"),
-        "solar_irradiance_wm2": None,
-        "is_working_hours": None,
-        "data_quality": reading.get("data_quality"),
-        "null_reasons": reading.get("null_reasons"),
-        "imputed_values": None,
-        "imputation_method": None,
-        "raw_data": json.dumps(
-            reading,
-            ensure_ascii=False,
-        ),
-    }
-
-
-READING_INSERT = text(
-    """
-    INSERT INTO reading (
-        site_id,
-        timestamp,
-        source,
-        dataset_id,
-        consumption_kw,
-        consumption_kwh,
-        consumption_euros,
-        voltage_v,
-        current_a,
-        power_factor,
-        temperature_celsius,
-        humidity_percent,
-        solar_irradiance_wm2,
-        is_working_hours,
-        data_quality,
-        null_reasons,
-        imputed_values,
-        imputation_method,
-        raw_data
-    )
-    VALUES (
-        :site_id,
-        :timestamp,
-        :source,
-        :dataset_id,
-        :consumption_kw,
-        :consumption_kwh,
-        :consumption_euros,
-        :voltage_v,
-        :current_a,
-        :power_factor,
-        :temperature_celsius,
-        :humidity_percent,
-        :solar_irradiance_wm2,
-        :is_working_hours,
-        :data_quality,
-        :null_reasons,
-        CAST(:imputed_values AS jsonb),
-        :imputation_method,
-        CAST(:raw_data AS jsonb)
-    )
-    ON CONFLICT DO NOTHING
-    """
-)
-
-
-def build_reading_batch(
-    readings: list[dict[str, Any]],
-) -> list[dict[str, Any]]:
-    return [build_reading_row(reading) for reading in readings]
-
-
-async def import_mock_api_history(
-    start_time: datetime,
-    end_time: datetime,
-    limit: int,
-    dry_run: bool,
-) -> None:
-    settings = get_settings()
-
-    async with create_mock_api_client() as client:
-        sites = await fetch_sites(client)
-
-        print(f"Sites récupérés : {len(sites)}")
-
-        all_readings: list[dict[str, Any]] = []
-
-        for site in sites:
-            site_id = site["site_id"]
-
-            readings = await fetch_readings(
-                client=client,
-                site_id=site_id,
-                start_time=start_time,
-                end_time=end_time,
-                limit=limit,
-            )
-
-            print(f"{site_id}: {len(readings)} lectures")
-
-            all_readings.extend(readings)
-
-    print(f"Lectures récupérées : {len(all_readings)}")
-
-    if dry_run:
-        print("Dry-run terminé : aucune donnée écrite.")
-        return
-
-    engine = create_async_engine(
-        str(settings.database_url),
-        pool_pre_ping=True,
-    )
-
-    try:
-        async with engine.begin() as connection:
-            await upsert_sites(
-                connection,
-                sites,
-            )
-
-            rows = build_reading_batch(all_readings)
-
-            if rows:
-                await connection.execute(
-                    READING_INSERT,
-                    rows,
-                )
-
-    finally:
-        await engine.dispose()
-
-    print("Import API Mock terminé.")
-
-
-def parse_datetime(value: str) -> datetime:
-    return datetime.fromisoformat(value.replace("Z", "+00:00"))
-
-
-def parse_args() -> argparse.Namespace:
-    parser = argparse.ArgumentParser(description=("Import historique depuis l'API Mock EnerVision"))
-
-    parser.add_argument(
-        "--start-time",
-        required=True,
-        type=parse_datetime,
-    )
-
-    parser.add_argument(
-        "--end-time",
-        required=True,
-        type=parse_datetime,
-    )
-
-    parser.add_argument(
-        "--limit",
-        type=int,
-        default=1000,
-    )
-
-    parser.add_argument(
-        "--dry-run",
-        action="store_true",
-    )
-
-    return parser.parse_args()
-
-
-def main() -> None:
-    args = parse_args()
-
-    if args.limit < 1 or args.limit > 1000:
-        raise ValueError("--limit doit être compris entre 1 et 1000.")
-
-    if args.start_time >= args.end_time:
-        raise ValueError("--start-time doit être antérieur à --end-time.")
-
-    asyncio.run(
-        import_mock_api_history(
-            start_time=args.start_time,
-            end_time=args.end_time,
-            limit=args.limit,
-            dry_run=args.dry_run,
-        )
-    )
-
-
-if __name__ == "__main__":
-    main()
+# Contrainte : la réponse de l'API Mock est une entrée hostile, pas une source de confiance.
+# Voir OWASP API10 dans docs/architecture/owasp-traceabilite.md. Rien de ce qu'elle renvoie
+# n'atteint la base sans passer par build_site_row() ou build_reading_row() : seuls les champs
+# attendus sont recopiés, les grandeurs physiques sont bornées par PHYSICAL_BOUNDS et la taille
+# des tableaux est plafonnée par MAX_SITES et par --limit. Une valeur hors bornes devient NULL
+# et laisse sa trace dans null_reasons plutôt que de lever : le mock émet des anomalies par
+# construction, et raw_data conserve de toute façon la réponse d'origine intacte.
+
+from __future__ import annotations
+
+import argparse
+import asyncio
+import json
+from datetime import datetime
+from typing import Any
+
+import httpx
+from sqlalchemy import text
+from sqlalchemy.ext.asyncio import AsyncConnection, create_async_engine
+
+from app.core.config import get_settings
+
+SOURCE_HISTORY = "api_history"
+
+MAX_SITES = 100
+
+MAX_LIMIT = 1000
+
+# Les quatre seules valeurs que la contrainte ck_reading_quality accepte.
+ACCEPTED_QUALITIES = frozenset({"good", "partial", "degraded", "critical"})
+
+PHYSICAL_BOUNDS: dict[str, tuple[float, float]] = {
+    "consumption_kw": (0.0, 100_000.0),
+    "consumption_kwh": (0.0, 100_000.0),
+    "voltage_v": (0.0, 1_000.0),
+    "current_a": (0.0, 10_000.0),
+    "power_factor": (0.0, 1.0),
+    "temperature_celsius": (-90.0, 60.0),
+    "humidity_percent": (0.0, 100.0),
+}
+
+CAPACITY_BOUNDS = (0.0, 100_000.0)
+
+
+def create_mock_api_client() -> httpx.AsyncClient:
+    settings = get_settings()
+
+    if settings.mock_api_username is None or settings.mock_api_password is None:
+        raise ValueError("Les identifiants de l'API Mock ne sont pas configurés.")
+
+    return httpx.AsyncClient(
+        base_url=settings.mock_api_base_url.rstrip("/"),
+        auth=(
+            settings.mock_api_username,
+            settings.mock_api_password.get_secret_value(),
+        ),
+        timeout=settings.mock_api_timeout_seconds,
+    )
+
+
+def read_text(payload: dict[str, Any], key: str) -> str:
+    value = payload.get(key)
+
+    if not isinstance(value, str) or not value:
+        raise ValueError(f"Champ {key} absent ou invalide dans la réponse de l'API Mock.")
+
+    return value
+
+
+def optional_text(value: Any) -> str | None:
+    return value if isinstance(value, str) else None
+
+
+def coerce_measure(
+    value: Any,
+    bounds: tuple[float, float],
+) -> float | None:
+    if isinstance(value, bool) or not isinstance(value, int | float):
+        return None
+
+    lower, upper = bounds
+
+    # Écarte aussi NaN et les infinis, qu'aucune comparaison de bornes ne retient.
+    return float(value) if lower <= value <= upper else None
+
+
+def resolve_quality(
+    value: Any,
+    rejected: list[str],
+) -> str | None:
+    quality = value if isinstance(value, str) and value in ACCEPTED_QUALITIES else None
+
+    if rejected:
+        return "critical" if quality == "critical" else "degraded"
+
+    return quality
+
+
+def resolve_null_reasons(
+    value: Any,
+    rejected: list[str],
+) -> list[str]:
+    reported = [str(reason) for reason in value] if isinstance(value, list) else []
+
+    return reported + rejected
+
+
+async def fetch_sites(
+    client: httpx.AsyncClient,
+) -> list[dict[str, Any]]:
+    response = await client.get("/api/v1/sites")
+
+    response.raise_for_status()
+
+    payload = response.json()
+
+    if not isinstance(payload, list):
+        raise ValueError("La réponse /api/v1/sites doit être une liste.")
+
+    if len(payload) > MAX_SITES:
+        raise ValueError(f"La réponse /api/v1/sites dépasse le plafond de {MAX_SITES} sites.")
+
+    return payload
+
+
+def build_site_row(
+    site: dict[str, Any],
+) -> dict[str, Any]:
+    return {
+        "site_id": read_text(site, "site_id"),
+        "site_type": read_text(site, "site_type"),
+        "site_name": read_text(site, "site_name"),
+        "location": optional_text(site.get("location")),
+        "capacity_kw": coerce_measure(site.get("capacity_kw"), CAPACITY_BOUNDS),
+        "status": optional_text(site.get("status")),
+    }
+
+
+async def upsert_sites(
+    connection: AsyncConnection,
+    sites: list[dict[str, Any]],
+) -> None:
+    rows = [build_site_row(site) for site in sites]
+
+    if not rows:
+        return
+
+    await connection.execute(
+        text(
+            """
+            INSERT INTO site (
+                site_id,
+                site_type,
+                site_name,
+                location,
+                capacity_kw,
+                status
+            )
+            VALUES (
+                :site_id,
+                :site_type,
+                :site_name,
+                :location,
+                :capacity_kw,
+                :status
+            )
+            ON CONFLICT (site_id)
+            DO UPDATE SET
+                site_type = EXCLUDED.site_type,
+                site_name = EXCLUDED.site_name,
+                location = EXCLUDED.location,
+                capacity_kw = EXCLUDED.capacity_kw,
+                status = EXCLUDED.status
+            """
+        ),
+        rows,
+    )
+
+
+async def fetch_readings(
+    client: httpx.AsyncClient,
+    site_id: str,
+    start_time: datetime,
+    end_time: datetime,
+    limit: int = MAX_LIMIT,
+) -> list[dict[str, Any]]:
+    response = await client.get(
+        "/api/v1/readings",
+        params={
+            "site_id": site_id,
+            "start_time": start_time.isoformat(),
+            "end_time": end_time.isoformat(),
+            "limit": limit,
+        },
+    )
+
+    response.raise_for_status()
+
+    payload = response.json()
+
+    if not isinstance(payload, list):
+        raise ValueError("La réponse /api/v1/readings doit être une liste.")
+
+    if len(payload) > limit:
+        raise ValueError(f"La réponse /api/v1/readings dépasse la limite demandée de {limit}.")
+
+    return payload
+
+
+def build_reading_row(
+    reading: dict[str, Any],
+) -> dict[str, Any]:
+    measures: dict[str, float | None] = {}
+    rejected: list[str] = []
+
+    for name, bounds in PHYSICAL_BOUNDS.items():
+        received = reading.get(name)
+        measures[name] = coerce_measure(received, bounds)
+
+        if received is not None and measures[name] is None:
+            rejected.append(f"out_of_physical_bounds:{name}")
+
+    return {
+        "site_id": read_text(reading, "site_id"),
+        "timestamp": parse_datetime(read_text(reading, "timestamp")),
+        "source": SOURCE_HISTORY,
+        "dataset_id": None,
+        **measures,
+        "consumption_euros": None,
+        "solar_irradiance_wm2": None,
+        "is_working_hours": None,
+        "data_quality": resolve_quality(reading.get("data_quality"), rejected),
+        "null_reasons": resolve_null_reasons(reading.get("null_reasons"), rejected),
+        "imputed_values": None,
+        "imputation_method": None,
+        "raw_data": json.dumps(
+            reading,
+            ensure_ascii=False,
+        ),
+    }
+
+
+# Le conflit vise l'index unique uq_reading_source plutôt que la table entière : sans cible
+# nommée, DO NOTHING avalerait aussi une violation de clé primaire.
+READING_INSERT = text(
+    """
+    INSERT INTO reading (
+        site_id,
+        timestamp,
+        source,
+        dataset_id,
+        consumption_kw,
+        consumption_kwh,
+        consumption_euros,
+        voltage_v,
+        current_a,
+        power_factor,
+        temperature_celsius,
+        humidity_percent,
+        solar_irradiance_wm2,
+        is_working_hours,
+        data_quality,
+        null_reasons,
+        imputed_values,
+        imputation_method,
+        raw_data
+    )
+    VALUES (
+        :site_id,
+        :timestamp,
+        :source,
+        :dataset_id,
+        :consumption_kw,
+        :consumption_kwh,
+        :consumption_euros,
+        :voltage_v,
+        :current_a,
+        :power_factor,
+        :temperature_celsius,
+        :humidity_percent,
+        :solar_irradiance_wm2,
+        :is_working_hours,
+        :data_quality,
+        :null_reasons,
+        CAST(:imputed_values AS jsonb),
+        :imputation_method,
+        CAST(:raw_data AS jsonb)
+    )
+    ON CONFLICT (site_id, timestamp, source, (coalesce(dataset_id, 0)))
+    DO NOTHING
+    """
+)
+
+
+def build_reading_batch(
+    readings: list[dict[str, Any]],
+) -> list[dict[str, Any]]:
+    return [build_reading_row(reading) for reading in readings]
+
+
+async def import_mock_api_history(
+    start_time: datetime,
+    end_time: datetime,
+    limit: int,
+    dry_run: bool,
+) -> None:
+    settings = get_settings()
+
+    async with create_mock_api_client() as client:
+        sites = await fetch_sites(client)
+
+        print(f"Sites récupérés : {len(sites)}")
+
+        all_readings: list[dict[str, Any]] = []
+
+        for site in sites:
+            site_id = read_text(site, "site_id")
+
+            readings = await fetch_readings(
+                client=client,
+                site_id=site_id,
+                start_time=start_time,
+                end_time=end_time,
+                limit=limit,
+            )
+
+            print(f"{site_id}: {len(readings)} lectures")
+
+            all_readings.extend(readings)
+
+    print(f"Lectures récupérées : {len(all_readings)}")
+
+    if dry_run:
+        print("Dry-run terminé : aucune donnée écrite.")
+        return
+
+    engine = create_async_engine(
+        str(settings.database_url),
+        pool_pre_ping=True,
+    )
+
+    try:
+        async with engine.begin() as connection:
+            await upsert_sites(
+                connection,
+                sites,
+            )
+
+            rows = build_reading_batch(all_readings)
+
+            if rows:
+                await connection.execute(
+                    READING_INSERT,
+                    rows,
+                )
+
+    finally:
+        await engine.dispose()
+
+    print("Import API Mock terminé.")
+
+
+def parse_datetime(value: str) -> datetime:
+    return datetime.fromisoformat(value.replace("Z", "+00:00"))
+
+
+def parse_args() -> argparse.Namespace:
+    parser = argparse.ArgumentParser(description=("Import historique depuis l'API Mock EnerVision"))
+
+    parser.add_argument(
+        "--start-time",
+        required=True,
+        type=parse_datetime,
+    )
+
+    parser.add_argument(
+        "--end-time",
+        required=True,
+        type=parse_datetime,
+    )
+
+    parser.add_argument(
+        "--limit",
+        type=int,
+        default=MAX_LIMIT,
+    )
+
+    parser.add_argument(
+        "--dry-run",
+        action="store_true",
+    )
+
+    return parser.parse_args()
+
+
+def main() -> None:
+    args = parse_args()
+
+    if args.limit < 1 or args.limit > MAX_LIMIT:
+        raise ValueError(f"--limit doit être compris entre 1 et {MAX_LIMIT}.")
+
+    if args.start_time >= args.end_time:
+        raise ValueError("--start-time doit être antérieur à --end-time.")
+
+    asyncio.run(
+        import_mock_api_history(
+            start_time=args.start_time,
+            end_time=args.end_time,
+            limit=args.limit,
+            dry_run=args.dry_run,
+        )
+    )
+
+
+if __name__ == "__main__":
+    main()

apps/backend/app/repositories/alert.py

@@ -6,6 +6,10 @@ from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.models.energy import Alert
 
+# Douze colonnes par alerte, contre quatre pour une recommandation : le plafond asyncpg de
+# 32 767 parametres tombe a 2 730 lignes, d'ou un lot plus petit que `recommendation.py`.
+TAILLE_DE_LOT = 1000
+
 
 class AlertRepository:
     def __init__(self, session: AsyncSession) -> None:
@@ -44,12 +48,17 @@ class AlertRepository:
             }
             for alerte in alerts
         ]
-        requete = (
-            insert(Alert)
-            .values(valeurs)
-            .on_conflict_do_nothing(constraint="uq_alert_source_reference")
-            .returning(Alert)
-        )
-        resultat = await self._session.execute(requete)
+        creees: list[Alert] = []
+        # Piège : asyncpg plafonne une requête à 32 767 paramètres. Une détection sur une fenêtre
+        # chargée dépasse ce seuil, et l'`INSERT` d'un seul tenant échouerait.
+        for debut in range(0, len(valeurs), TAILLE_DE_LOT):
+            requete = (
+                insert(Alert)
+                .values(valeurs[debut : debut + TAILLE_DE_LOT])
+                .on_conflict_do_nothing(constraint="uq_alert_source_reference")
+                .returning(Alert)
+            )
+            resultat = await self._session.execute(requete)
+            creees.extend(resultat.scalars().all())
         await self._session.flush()
-        return resultat.scalars().all()
+        return creees

apps/backend/app/repositories/recommendation.py

@@ -1,11 +1,24 @@
 from collections.abc import Sequence
+from dataclasses import asdict, dataclass
 
 from sqlalchemy import select
+from sqlalchemy.dialects.postgresql import insert
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.models.energy import Recommendation
 
 
+@dataclass(frozen=True, slots=True)
+class NouvelleRecommandation:
+    alert_id: int
+    action: str
+    explanation: str
+    rule_reference: str
+
+
+TAILLE_DE_LOT = 1000
+
+
 class RecommendationRepository:
     def __init__(self, session: AsyncSession) -> None:
         self._session = session
@@ -20,3 +33,19 @@ class RecommendationRepository:
         )
         recommendation: Recommendation | None = await self._session.scalar(requete)
         return recommendation
+
+    # Pourquoi : l'idempotence est déléguée à `uq_recommendation_alert_rule` plutôt qu'à une
+    # lecture préalable, qui laisserait une fenêtre entre le contrôle et l'insertion.
+    async def create_missing(self, nouvelles: Sequence[NouvelleRecommandation]) -> int:
+        creees = 0
+        # Piège : asyncpg plafonne une requête à 32 767 paramètres, soit 8 191 lignes de quatre
+        # colonnes. Au-delà de ce seuil un `INSERT` d'un seul tenant échouerait.
+        for debut in range(0, len(nouvelles), TAILLE_DE_LOT):
+            requete = (
+                insert(Recommendation)
+                .values([asdict(nouvelle) for nouvelle in nouvelles[debut : debut + TAILLE_DE_LOT]])
+                .on_conflict_do_nothing(constraint="uq_recommendation_alert_rule")
+                .returning(Recommendation.recommendation_id)
+            )
+            creees += len((await self._session.scalars(requete)).all())
+        return creees

apps/backend/app/schemas/recommendation.py

@@ -12,3 +12,9 @@ class RecommendationResponse(BaseModel):
     explanation: str
     rule_reference: str
     created_at: datetime
+
+
+class RecommendationGenerationResponse(BaseModel):
+    alerts_examined: int
+    recommendations_created: int
+    already_present: int

apps/backend/app/services/recommendation.py

@@ -1,7 +1,15 @@
 from collections.abc import Sequence
+from dataclasses import dataclass
+from typing import Protocol
 
 from app.models.energy import Recommendation
+from app.repositories.alert import AlertRepository
 from app.repositories.recommendation import RecommendationRepository
+from app.services.recommendation_rules import applique_les_regles
+
+
+class Transaction(Protocol):
+    async def commit(self) -> None: ...
 
 
 class RecommendationError(Exception):
@@ -12,9 +20,24 @@ class RecommendationNotFoundError(RecommendationError):
     pass
 
 
+@dataclass(frozen=True, slots=True)
+class RapportGeneration:
+    alertes_examinees: int
+    recommandations_creees: int
+    deja_presentes: int
+
+
 class RecommendationService:
-    def __init__(self, *, recommendations: RecommendationRepository) -> None:
+    def __init__(
+        self,
+        *,
+        recommendations: RecommendationRepository,
+        alerts: AlertRepository,
+        transaction: Transaction,
+    ) -> None:
         self._recommendations = recommendations
+        self._alerts = alerts
+        self._transaction = transaction
 
     async def list_all(self) -> Sequence[Recommendation]:
         return await self._recommendations.list_all()
@@ -24,3 +47,16 @@ class RecommendationService:
         if recommendation is None:
             raise RecommendationNotFoundError(recommendation_id)
         return recommendation
+
+    async def generate(self, *, site_id: str | None = None) -> RapportGeneration:
+        alertes = await self._alerts.list_all(site_id=site_id)
+        nouvelles = [nouvelle for alerte in alertes for nouvelle in applique_les_regles(alerte)]
+
+        creees = await self._recommendations.create_missing(nouvelles)
+        await self._transaction.commit()
+
+        return RapportGeneration(
+            alertes_examinees=len(alertes),
+            recommandations_creees=creees,
+            deja_presentes=len(nouvelles) - creees,
+        )

apps/backend/app/services/recommendation_rules.py

@@ -0,0 +1,117 @@
+# Piège : `rule_reference` est la clé d'idempotence en base, portée par la contrainte
+# `uq_recommendation_alert_rule`. Renommer une référence déjà livrée ne remplace pas les
+# recommandations existantes, il en crée de nouvelles à côté. Une règle qui change de sens
+# prend donc une référence suffixée `-v2` - REGLES.
+
+from collections.abc import Callable
+from dataclasses import dataclass
+from typing import Final
+
+from app.models.energy import Alert
+from app.repositories.recommendation import NouvelleRecommandation
+from app.schemas.alert import AlertSeverity, AlertType
+
+FACTEUR_DEPASSEMENT_MAJEUR: Final = 1.2
+POURCENTAGE_DEPASSEMENT_MAJEUR: Final = round((FACTEUR_DEPASSEMENT_MAJEUR - 1) * 100)
+
+
+@dataclass(frozen=True, slots=True)
+class Regle:
+    reference: str
+    action: str
+    declencheur: Callable[[Alert], bool]
+    motif: Callable[[Alert], str]
+
+
+def _du_type(attendu: AlertType) -> Callable[[Alert], bool]:
+    return lambda alerte: alerte.type == attendu
+
+
+def _de_severite(attendue: AlertSeverity) -> Callable[[Alert], bool]:
+    return lambda alerte: alerte.severity == attendue
+
+
+# Un seuil nul ou négatif rendrait le rapport `value / threshold` arbitraire : l'alerte ne
+# renseigne alors aucun dépassement exploitable, et la règle ne se déclenche pas.
+def _depasse_largement_le_seuil(alerte: Alert) -> bool:
+    if alerte.value is None or alerte.threshold is None or alerte.threshold <= 0:
+        return False
+    return alerte.value >= alerte.threshold * FACTEUR_DEPASSEMENT_MAJEUR
+
+
+REGLES: Final[tuple[Regle, ...]] = (
+    Regle(
+        reference="spike-delestage-v1",
+        action="Délester les équipements non prioritaires sur le créneau du pic",
+        declencheur=_du_type(AlertType.SPIKE),
+        motif=lambda alerte: f"Pic de consommation signalé sur le site {alerte.site_id}",
+    ),
+    Regle(
+        reference="threshold-reduction-v1",
+        action="Ramener la puissance appelée sous le seuil contractuel",
+        declencheur=_du_type(AlertType.THRESHOLD),
+        motif=lambda alerte: f"Seuil de consommation dépassé sur le site {alerte.site_id}",
+    ),
+    Regle(
+        reference="outage-secours-v1",
+        action="Basculer sur l'alimentation de secours et prévenir l'exploitant",
+        declencheur=_du_type(AlertType.OUTAGE),
+        motif=lambda alerte: (
+            f"Risque de surcharge ou de coupure imminente sur le site {alerte.site_id}"
+        ),
+    ),
+    Regle(
+        reference="sensor-maintenance-v1",
+        action="Planifier une intervention de maintenance sur le capteur",
+        declencheur=_du_type(AlertType.SENSOR),
+        motif=lambda alerte: (
+            f"Capteur défaillant sur le site {alerte.site_id}, les mesures ne sont plus fiables"
+        ),
+    ),
+    Regle(
+        reference="anomaly-verification-v1",
+        action="Confronter la mesure à la prévision et vérifier le paramétrage du site",
+        declencheur=_du_type(AlertType.ANOMALY),
+        motif=lambda alerte: (
+            f"Écart anormal entre la mesure et le comportement attendu du site {alerte.site_id}"
+        ),
+    ),
+    Regle(
+        reference="escalade-astreinte-v1",
+        action="Escalader à l'astreinte sous une heure",
+        declencheur=_de_severite(AlertSeverity.CRITICAL),
+        motif=lambda alerte: f"Alerte de sévérité critique sur le site {alerte.site_id}",
+    ),
+    Regle(
+        reference="contrat-puissance-v1",
+        action="Réévaluer la puissance souscrite au contrat",
+        declencheur=_depasse_largement_le_seuil,
+        motif=lambda alerte: (
+            f"Dépassement d'au moins {POURCENTAGE_DEPASSEMENT_MAJEUR} % du seuil "
+            f"sur le site {alerte.site_id}"
+        ),
+    ),
+)
+
+
+def applique_les_regles(alerte: Alert) -> list[NouvelleRecommandation]:
+    contexte = _contexte_de_mesure(alerte)
+    return [
+        NouvelleRecommandation(
+            alert_id=alerte.alert_id,
+            action=regle.action,
+            explanation=f"{regle.motif(alerte)}{contexte}.",
+            rule_reference=regle.reference,
+        )
+        for regle in REGLES
+        if regle.declencheur(alerte)
+    ]
+
+
+def _contexte_de_mesure(alerte: Alert) -> str:
+    if alerte.value is None:
+        return ""
+    grandeur = alerte.metric or "valeur"
+    if alerte.threshold is None:
+        return f" ({grandeur} mesurée à {alerte.value})"
+    return f" ({grandeur} mesurée à {alerte.value}, seuil {alerte.threshold})"

apps/backend/openapi.json

@@ -1453,6 +1453,90 @@
         }
       }
     },
+    "/api/v1/recommendations/generate": {
+      "post": {
+        "tags": [
+          "recommendations"
+        ],
+        "summary": "Génère les recommandations à partir des alertes",
+        "operationId": "generate_recommendations_api_v1_recommendations_generate_post",
+        "security": [
+          {
+            "Jeton d'accès": []
+          }
+        ],
+        "parameters": [
+          {
+            "name": "site_id",
+            "in": "query",
+            "required": false,
+            "schema": {
+              "anyOf": [
+                {
+                  "type": "string"
+                },
+                {
+                  "type": "null"
+                }
+              ],
+              "title": "Site Id"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "Successful Response",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/RecommendationGenerationResponse"
+                }
+              }
+            }
+          },
+          "500": {
+            "description": "Erreur interne. `correlation` identifie la trace côté serveur, qui n'est pas renvoyée au client.",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/InternalErrorResponse"
+                }
+              }
+            }
+          },
+          "401": {
+            "description": "Jeton absent, illisible, périmé, ou rendu caduc par un changement de rôle ou une désactivation. L'en-tête `WWW-Authenticate` porte la cause dans `error=`.",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/ErrorResponse"
+                }
+              }
+            }
+          },
+          "403": {
+            "description": "Droits insuffisants, ou mot de passe provisoire à changer quand `detail` vaut `password_change_required`.",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/ErrorResponse"
+                }
+              }
+            }
+          },
+          "422": {
+            "description": "Corps invalide. Le détail nomme le champ fautif et le type d'erreur, jamais la valeur envoyée.",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/ValidationErrorResponse"
+                }
+              }
+            }
+          }
+        }
+      }
+    },
     "/api/v1/stats/summary": {
       "get": {
         "tags": [
@@ -2344,6 +2428,29 @@
         ],
         "title": "ReadingSource"
       },
+      "RecommendationGenerationResponse": {
+        "properties": {
+          "alerts_examined": {
+            "type": "integer",
+            "title": "Alerts Examined"
+          },
+          "recommendations_created": {
+            "type": "integer",
+            "title": "Recommendations Created"
+          },
+          "already_present": {
+            "type": "integer",
+            "title": "Already Present"
+          }
+        },
+        "type": "object",
+        "required": [
+          "alerts_examined",
+          "recommendations_created",
+          "already_present"
+        ],
+        "title": "RecommendationGenerationResponse"
+      },
       "RecommendationResponse": {
         "properties": {
           "recommendation_id": {
@@ -3153,7 +3260,7 @@
     },
     {
       "name": "recommendations",
-      "description": "Consultation des recommandations issues des alertes. Accessible à partir du rôle `lecteur`."
+      "description": "Consultation des recommandations issues des alertes. Accessible à partir du rôle `lecteur`. Leur génération par le moteur de règles est réservée au rôle `admin`."
     },
     {
       "name": "stats",

apps/backend/tests/api/acces.py

@@ -51,6 +51,7 @@ ROLE_MINIMUM: Final[dict[Route, Role]] = {
     ("GET", "/api/v1/alerts"): Role.LECTEUR,
     ("GET", "/api/v1/recommendations"): Role.LECTEUR,
     ("GET", "/api/v1/recommendations/{recommendation_id}"): Role.LECTEUR,
+    ("POST", "/api/v1/recommendations/generate"): Role.ADMIN,
     ("GET", "/api/v1/stats/summary"): Role.LECTEUR,
     ("GET", "/api/v1/readings"): Role.LECTEUR,
     ("GET", "/api/v1/predictions"): Role.LECTEUR,

apps/backend/tests/api/test_recommendations.py

@@ -10,7 +10,7 @@ from app.api.deps import get_current_principal, get_recommendation_service
 from app.core.principal import Principal
 from app.core.roles import AccountKind, Role
 from app.models.energy import Recommendation
-from app.services.recommendation import RecommendationNotFoundError
+from app.services.recommendation import RapportGeneration, RecommendationNotFoundError
 
 MOMENT = datetime(2024, 1, 1, tzinfo=UTC)
 
@@ -40,6 +40,7 @@ class FauxService:
     def __init__(self, erreur: Exception | None = None) -> None:
         self._erreur = erreur
         self.recommendation = recommendation()
+        self.site_demande: str | None = None
 
     async def list_all(self) -> list[Recommendation]:
         return [self.recommendation]
@@ -49,6 +50,10 @@ class FauxService:
             raise self._erreur
         return self.recommendation
 
+    async def generate(self, *, site_id: str | None = None) -> RapportGeneration:
+        self.site_demande = site_id
+        return RapportGeneration(alertes_examinees=2, recommandations_creees=3, deja_presentes=1)
+
 
 @pytest.fixture
 def lecteur_connecte(app: FastAPI) -> Iterator[None]:
@@ -142,3 +147,56 @@ async def test_get_recommendation_returns_404_when_the_session_finds_nothing(
     response = await client.get("/api/v1/recommendations/404")
 
     assert response.status_code == 404
+
+
+@pytest.fixture
+def admin_connecte(app: FastAPI) -> Iterator[None]:
+    app.dependency_overrides[get_current_principal] = lambda: principal(Role.ADMIN)
+    yield
+    app.dependency_overrides.pop(get_current_principal, None)
+
+
+@pytest.fixture
+def servi_en_admin(app: FastAPI, admin_connecte: None) -> Iterator[Callable[[], FauxService]]:
+    def installe() -> FauxService:
+        service = FauxService()
+        app.dependency_overrides[get_recommendation_service] = lambda: service
+        return service
+
+    yield installe
+    app.dependency_overrides.pop(get_recommendation_service, None)
+
+
+async def test_generate_recommendations_returns_the_generation_report(
+    servi_en_admin: Callable[[], FauxService], client: AsyncClient
+) -> None:
+    servi_en_admin()
+
+    response = await client.post("/api/v1/recommendations/generate")
+
+    assert response.status_code == 200
+    assert response.json() == {
+        "alerts_examined": 2,
+        "recommendations_created": 3,
+        "already_present": 1,
+    }
+
+
+async def test_generate_recommendations_forwards_the_requested_site(
+    servi_en_admin: Callable[[], FauxService], client: AsyncClient
+) -> None:
+    service = servi_en_admin()
+
+    await client.post("/api/v1/recommendations/generate", params={"site_id": "SITE002"})
+
+    assert service.site_demande == "SITE002"
+
+
+async def test_generate_recommendations_refuses_a_reader(
+    servi: Callable[..., FauxService], client: AsyncClient
+) -> None:
+    servi()
+
+    response = await client.post("/api/v1/recommendations/generate")
+
+    assert response.status_code == 403

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():
-            await data_connection.execute(insert(Reading).values(**values))
+        async with savepoint:
+            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():
-            await data_connection.execute(
-                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 with savepoint:
+            await data_connection.execute(statement)
 
 
 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

@@ -1,239 +1,245 @@
-import hashlib
-import json
-
-import pandas as pd
-import pytest
-
-from app.etl.historical_import import (
-    SOURCE_NAME,
-    build_reading_batch,
-    classify_quality,
-    compute_sha256,
-    load_metadata,
-    normalize_timestamps,
-    validate_source,
-)
-
-
-def make_metadata() -> dict:
-    return {
-        "total_records": 2,
-        "sites": {
-            "SITE001": {},
-        },
-    }
-
-
-def make_dataframe() -> pd.DataFrame:
-    return pd.DataFrame(
-        [
-            {
-                "timestamp": "2023-01-01 00:00:00",
-                "site_id": "SITE001",
-                "site_type": "office",
-                "site_name": "Site 1",
-                "consumption_kwh": 10.5,
-                "consumption_euros": 2.5,
-                "temperature_celsius": 20.0,
-                "humidity_percent": 50.0,
-                "solar_irradiance_wm2": 0.0,
-                "hour": 0,
-                "day_of_week": 6,
-                "day_name": "Sunday",
-                "month": 1,
-                "is_weekend": True,
-                "is_working_hours": False,
-            },
-            {
-                "timestamp": "2023-01-01 01:00:00",
-                "site_id": "SITE001",
-                "site_type": "office",
-                "site_name": "Site 1",
-                "consumption_kwh": 11.0,
-                "consumption_euros": 2.7,
-                "temperature_celsius": 19.5,
-                "humidity_percent": 52.0,
-                "solar_irradiance_wm2": 0.0,
-                "hour": 1,
-                "day_of_week": 6,
-                "day_name": "Sunday",
-                "month": 1,
-                "is_weekend": True,
-                "is_working_hours": False,
-            },
-        ]
-    )
-
-
-def test_compute_sha256(tmp_path):
-    file_path = tmp_path / "dataset.csv"
-    content = b"hello-enervision"
-
-    file_path.write_bytes(content)
-
-    expected = hashlib.sha256(content).hexdigest()
-
-    assert compute_sha256(file_path) == expected
-
-
-def test_load_metadata(tmp_path):
-    metadata_path = tmp_path / "metadata.json"
-
-    metadata = {
-        "total_records": 2,
-        "sites": {
-            "SITE001": {},
-        },
-    }
-
-    metadata_path.write_text(
-        json.dumps(metadata),
-        encoding="utf-8",
-    )
-
-    assert load_metadata(metadata_path) == metadata
-
-
-def test_validate_source_accepts_valid_dataset():
-    frame = make_dataframe()
-
-    validate_source(
-        frame,
-        make_metadata(),
-    )
-
-
-def test_validate_source_rejects_missing_column():
-    frame = make_dataframe().drop(columns=["consumption_kwh"])
-
-    with pytest.raises(
-        ValueError,
-        match="Colonnes obligatoires absentes",
-    ):
-        validate_source(
-            frame,
-            make_metadata(),
-        )
-
-
-def test_validate_source_rejects_duplicates():
-    frame = make_dataframe()
-
-    frame.loc[1, "timestamp"] = frame.loc[
-        0,
-        "timestamp",
-    ]
-
-    with pytest.raises(
-        ValueError,
-        match="doublons",
-    ):
-        validate_source(
-            frame,
-            make_metadata(),
-        )
-
-
-def test_validate_source_rejects_unknown_site():
-    frame = make_dataframe()
-
-    frame.loc[1, "site_id"] = "SITE999"
-
-    with pytest.raises(
-        ValueError,
-        match="Sites incohérents",
-    ):
-        validate_source(
-            frame,
-            make_metadata(),
-        )
-
-
-def test_normalize_timestamps_adds_timezone():
-    frame = make_dataframe()
-
-    normalized = normalize_timestamps(
-        frame,
-        "UTC",
-    )
-
-    assert normalized["timestamp"].dt.tz is not None
-
-    assert "_source_timestamp" in normalized.columns
-
-
-def test_classify_quality_good():
-    row = make_dataframe().iloc[0].to_dict()
-
-    quality, reasons = classify_quality(row)
-
-    assert quality == "good"
-    assert reasons == []
-
-
-def test_classify_quality_degraded_when_consumption_missing():
-    row = make_dataframe().iloc[0].to_dict()
-    row["consumption_kwh"] = None
-
-    quality, reasons = classify_quality(row)
-
-    assert quality == "degraded"
-
-    assert "missing:consumption_kwh" in reasons
-
-
-def test_build_reading_batch_respects_database_contract():
-    frame = normalize_timestamps(
-        make_dataframe(),
-        "UTC",
-    )
-
-    rows = build_reading_batch(
-        frame.iloc[:1],
-        dataset_id=3,
-    )
-
-    assert len(rows) == 1
-
-    row = rows[0]
-
-    assert row["dataset_id"] == 3
-
-    # Important :
-    # contrainte ck_reading_dataset_source.
-    assert row["source"] == "csv"
-    assert SOURCE_NAME == "csv"
-
-    # Important :
-    # contrainte ck_reading_imputation.
-    assert row["imputed_values"] is None
-    assert row["imputation_method"] is None
-
-    assert row["data_quality"] == "good"
-    assert row["null_reasons"] == []
-
-
-def test_build_reading_batch_keeps_missing_values():
-    frame = make_dataframe()
-
-    frame.loc[0, "temperature_celsius"] = None
-
-    frame = normalize_timestamps(
-        frame,
-        "UTC",
-    )
-
-    rows = build_reading_batch(
-        frame.iloc[:1],
-        dataset_id=3,
-    )
-
-    row = rows[0]
-
-    assert row["temperature_celsius"] is None
-
-    assert "missing:temperature_celsius" in row["null_reasons"]
-
-    # RAW ingestion : aucune imputation.
-    assert row["imputed_values"] is None
-    assert row["imputation_method"] is None
+import hashlib
+import json
+
+import pandas as pd
+import pytest
+
+from app.etl.historical_import import (
+    SOURCE_NAME,
+    build_reading_batch,
+    classify_quality,
+    compute_sha256,
+    load_metadata,
+    normalize_timestamps,
+    validate_source,
+)
+
+
+def make_metadata() -> dict:
+    return {
+        "total_records": 2,
+        "sites": {
+            "SITE001": {},
+        },
+    }
+
+
+def make_dataframe() -> pd.DataFrame:
+    return pd.DataFrame(
+        [
+            {
+                "timestamp": "2023-01-01 00:00:00",
+                "site_id": "SITE001",
+                "site_type": "office",
+                "site_name": "Site 1",
+                "consumption_kwh": 10.5,
+                "consumption_euros": 2.5,
+                "temperature_celsius": 20.0,
+                "humidity_percent": 50.0,
+                "solar_irradiance_wm2": 0.0,
+                "hour": 0,
+                "day_of_week": 6,
+                "day_name": "Sunday",
+                "month": 1,
+                "is_weekend": True,
+                "is_working_hours": False,
+            },
+            {
+                "timestamp": "2023-01-01 01:00:00",
+                "site_id": "SITE001",
+                "site_type": "office",
+                "site_name": "Site 1",
+                "consumption_kwh": 11.0,
+                "consumption_euros": 2.7,
+                "temperature_celsius": 19.5,
+                "humidity_percent": 52.0,
+                "solar_irradiance_wm2": 0.0,
+                "hour": 1,
+                "day_of_week": 6,
+                "day_name": "Sunday",
+                "month": 1,
+                "is_weekend": True,
+                "is_working_hours": False,
+            },
+        ]
+    )
+
+
+def test_compute_sha256(tmp_path):
+    file_path = tmp_path / "dataset.csv"
+    content = b"hello-enervision"
+
+    file_path.write_bytes(content)
+
+    expected = hashlib.sha256(content).hexdigest()
+
+    assert compute_sha256(file_path) == expected
+
+
+def test_load_metadata(tmp_path):
+    metadata_path = tmp_path / "metadata.json"
+
+    metadata = {
+        "total_records": 2,
+        "sites": {
+            "SITE001": {},
+        },
+    }
+
+    metadata_path.write_text(
+        json.dumps(metadata),
+        encoding="utf-8",
+    )
+
+    assert load_metadata(metadata_path) == metadata
+
+
+def test_validate_source_accepts_valid_dataset():
+    frame = make_dataframe()
+
+    validate_source(
+        frame,
+        make_metadata(),
+    )
+
+
+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,
+            metadata,
+        )
+
+
+def test_validate_source_rejects_duplicates():
+    frame = make_dataframe()
+
+    frame.loc[1, "timestamp"] = frame.loc[
+        0,
+        "timestamp",
+    ]
+
+    metadata = make_metadata()
+
+    with pytest.raises(
+        ValueError,
+        match="doublons",
+    ):
+        validate_source(
+            frame,
+            metadata,
+        )
+
+
+def test_validate_source_rejects_unknown_site():
+    frame = make_dataframe()
+
+    frame.loc[1, "site_id"] = "SITE999"
+
+    metadata = make_metadata()
+
+    with pytest.raises(
+        ValueError,
+        match="Sites incohérents",
+    ):
+        validate_source(
+            frame,
+            metadata,
+        )
+
+
+def test_normalize_timestamps_adds_timezone():
+    frame = make_dataframe()
+
+    normalized = normalize_timestamps(
+        frame,
+        "UTC",
+    )
+
+    assert normalized["timestamp"].dt.tz is not None
+
+    assert "_source_timestamp" in normalized.columns
+
+
+def test_classify_quality_good():
+    row = make_dataframe().iloc[0].to_dict()
+
+    quality, reasons = classify_quality(row)
+
+    assert quality == "good"
+    assert reasons == []
+
+
+def test_classify_quality_degraded_when_consumption_missing():
+    row = make_dataframe().iloc[0].to_dict()
+    row["consumption_kwh"] = None
+
+    quality, reasons = classify_quality(row)
+
+    assert quality == "degraded"
+
+    assert "missing:consumption_kwh" in reasons
+
+
+def test_build_reading_batch_respects_database_contract():
+    frame = normalize_timestamps(
+        make_dataframe(),
+        "UTC",
+    )
+
+    rows = build_reading_batch(
+        frame.iloc[:1],
+        dataset_id=3,
+    )
+
+    assert len(rows) == 1
+
+    row = rows[0]
+
+    assert row["dataset_id"] == 3
+
+    # Important :
+    # contrainte ck_reading_dataset_source.
+    assert row["source"] == "csv"
+    assert SOURCE_NAME == "csv"
+
+    # Important :
+    # contrainte ck_reading_imputation.
+    assert row["imputed_values"] is None
+    assert row["imputation_method"] is None
+
+    assert row["data_quality"] == "good"
+    assert row["null_reasons"] == []
+
+
+def test_build_reading_batch_keeps_missing_values():
+    frame = make_dataframe()
+
+    frame.loc[0, "temperature_celsius"] = None
+
+    frame = normalize_timestamps(
+        frame,
+        "UTC",
+    )
+
+    rows = build_reading_batch(
+        frame.iloc[:1],
+        dataset_id=3,
+    )
+
+    row = rows[0]
+
+    assert row["temperature_celsius"] is None
+
+    assert "missing:temperature_celsius" in row["null_reasons"]
+
+    # RAW ingestion : aucune imputation.
+    assert row["imputed_values"] is None
+    assert row["imputation_method"] is None

apps/backend/tests/repositories/test_alert.py

@@ -5,6 +5,7 @@ import pytest
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.models.energy import Alert
+from app.repositories import alert as module_alert
 from app.repositories.alert import AlertRepository
 from app.schemas.alert import AlertSeverity
 from tests.repositories.test_site import creer as creer_site
@@ -146,3 +147,20 @@ async def test_create_many_does_nothing_for_an_empty_list(session: AsyncSession)
     creees = await depot.create_many([])
 
     assert creees == []
+
+
+async def test_create_many_inserts_every_alert_across_several_batches(
+    session: AsyncSession, monkeypatch: pytest.MonkeyPatch
+) -> None:
+    monkeypatch.setattr(module_alert, "TAILLE_DE_LOT", 2)
+    site = await creer_site(session)
+    depot = AlertRepository(session)
+    a_inserer = [
+        _alerte_a_inserer(site_id=site.site_id, source_alert_id=f"threshold:lot-{index}")
+        for index in range(5)
+    ]
+
+    creees = await depot.create_many(a_inserer)
+    await session.rollback()
+
+    assert len(creees) == 5

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),
-            expires_at=datetime.now(UTC) + DUREE,
+            token_hash=empreinte,
+            expires_at=expiration,
             client_ip=None,
             user_agent=None,
         )

apps/backend/tests/repositories/test_recommendation.py

@@ -5,7 +5,8 @@ import pytest
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.models.energy import Alert, Recommendation, Site
-from app.repositories.recommendation import RecommendationRepository
+from app.repositories import recommendation as module_recommendation
+from app.repositories.recommendation import NouvelleRecommandation, RecommendationRepository
 
 pytestmark = pytest.mark.integration
 
@@ -83,3 +84,59 @@ async def test_list_all_returns_the_recommendations_sorted_by_identifier(
     await session.rollback()
 
     assert identifiants == sorted(identifiants)
+
+
+def nouvelle(alert_id: int, reference: str = "spike-delestage-v1") -> NouvelleRecommandation:
+    return NouvelleRecommandation(
+        alert_id=alert_id,
+        action="Délester les équipements non prioritaires",
+        explanation="Pic de consommation signalé.",
+        rule_reference=reference,
+    )
+
+
+async def test_create_missing_inserts_the_proposals(session: AsyncSession) -> None:
+    depot = RecommendationRepository(session)
+    alert_id = await creer_alerte(session)
+
+    creees = await depot.create_missing(
+        [nouvelle(alert_id), nouvelle(alert_id, "escalade-astreinte-v1")]
+    )
+    await session.rollback()
+
+    assert creees == 2
+
+
+async def test_create_missing_ignores_a_rule_already_held_for_the_alert(
+    session: AsyncSession,
+) -> None:
+    depot = RecommendationRepository(session)
+    alert_id = await creer_alerte(session)
+    await depot.create_missing([nouvelle(alert_id)])
+
+    creees = await depot.create_missing([nouvelle(alert_id)])
+    await session.rollback()
+
+    assert creees == 0
+
+
+async def test_create_missing_returns_zero_without_any_proposal(session: AsyncSession) -> None:
+    creees = await RecommendationRepository(session).create_missing([])
+
+    assert creees == 0
+
+
+async def test_create_missing_inserts_every_proposal_across_several_batches(
+    session: AsyncSession, monkeypatch: pytest.MonkeyPatch
+) -> None:
+    monkeypatch.setattr(module_recommendation, "TAILLE_DE_LOT", 2)
+    depot = RecommendationRepository(session)
+    alert_id = await creer_alerte(session)
+    propositions = [nouvelle(alert_id, f"regle-{index}-v1") for index in range(5)]
+
+    creees = await depot.create_missing(propositions)
+    enregistrees = [r for r in await depot.list_all() if r.alert_id == alert_id]
+    await session.rollback()
+
+    assert creees == 5
+    assert len(enregistrees) == 5

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(),
-            token_hash=fingerprint_refresh(secret),
-            expires_at=datetime.now(UTC) + DUREE,
+            family_id=famille,
+            token_hash=empreinte,
+            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(
-            text(
-                "insert into app_user (email, password_hash, role) "
-                "values (:e, '$argon2id$x', 'lecteur')"
-            ),
-            {"e": saisie},
-        )
+        await session.execute(requete, {"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(
-            start=datetime(2026, 9, 2, tzinfo=UTC),
-            end=datetime(2026, 9, 1, tzinfo=UTC),
-            limit=500,
-            offset=0,
-        )
+        await service.list_history(start=debut, end=fin, limit=500, offset=0)
 
 
 async def test_list_history_raises_when_start_equals_end() -> None:

apps/backend/tests/services/test_recommendation.py

@@ -1,10 +1,14 @@
+from collections.abc import Sequence
 from datetime import UTC, datetime
 
 import pytest
 
-from app.models.energy import Recommendation
+from app.models.energy import Alert, Recommendation
+from app.repositories.recommendation import NouvelleRecommandation
 from app.services.recommendation import RecommendationNotFoundError, RecommendationService
 
+MOMENT = datetime(2024, 1, 1, tzinfo=UTC)
+
 
 def recommendation(recommendation_id: int = 1) -> Recommendation:
     return Recommendation(
@@ -13,13 +17,33 @@ def recommendation(recommendation_id: int = 1) -> Recommendation:
         action="Vérifier la consommation",
         explanation="Pic détecté",
         rule_reference="spike-v1",
-        created_at=datetime(2024, 1, 1, tzinfo=UTC),
+        created_at=MOMENT,
+    )
+
+
+def alerte(alert_id: int = 1, site_id: str = "SITE001", severity: str = "high") -> Alert:
+    return Alert(
+        alert_id=alert_id,
+        source_alert_id=f"ALR-{alert_id}",
+        site_id=site_id,
+        source="api_mock",
+        timestamp=MOMENT,
+        type="spike",
+        severity=severity,
+        message="Pic de consommation",
+        value=None,
+        threshold=None,
+        metric=None,
+        prediction_id=None,
+        raw_data={},
     )
 
 
 class FakeRepository:
-    def __init__(self, recommendations: list[Recommendation]) -> None:
+    def __init__(self, recommendations: list[Recommendation], creees: int | None = None) -> None:
         self._recommendations = recommendations
+        self._creees = creees
+        self.recues: list[NouvelleRecommandation] = []
 
     async def list_all(self) -> list[Recommendation]:
         return self._recommendations
@@ -29,27 +53,111 @@ class FakeRepository:
             (r for r in self._recommendations if r.recommendation_id == recommendation_id), None
         )
 
+    async def create_missing(self, nouvelles: Sequence[NouvelleRecommandation]) -> int:
+        self.recues = list(nouvelles)
+        return len(self.recues) if self._creees is None else self._creees
 
-async def test_list_all_returns_the_repository_recommendations() -> None:
-    service = RecommendationService(
-        recommendations=FakeRepository([recommendation(1), recommendation(2)])
+
+class FakeAlertRepository:
+    def __init__(self, alertes: list[Alert]) -> None:
+        self._alertes = alertes
+        self.site_demande: str | None = None
+
+    async def list_all(
+        self, *, site_id: str | None = None, severity: str | None = None
+    ) -> list[Alert]:
+        self.site_demande = site_id
+        if site_id is None:
+            return self._alertes
+        return [a for a in self._alertes if a.site_id == site_id]
+
+
+class FakeTransaction:
+    def __init__(self) -> None:
+        self.commits = 0
+
+    async def commit(self) -> None:
+        self.commits += 1
+
+
+def service(
+    recommendations: FakeRepository | None = None,
+    alerts: FakeAlertRepository | None = None,
+    transaction: FakeTransaction | None = None,
+) -> RecommendationService:
+    return RecommendationService(
+        recommendations=recommendations or FakeRepository([]),
+        alerts=alerts or FakeAlertRepository([]),
+        transaction=transaction or FakeTransaction(),
     )
 
-    recommendations = await service.list_all()
+
+async def test_list_all_returns_the_repository_recommendations() -> None:
+    depot = FakeRepository([recommendation(1), recommendation(2)])
+
+    recommendations = await service(recommendations=depot).list_all()
 
     assert [r.recommendation_id for r in recommendations] == [1, 2]
 
 
 async def test_get_by_id_returns_the_matching_recommendation() -> None:
-    service = RecommendationService(recommendations=FakeRepository([recommendation(1)]))
-
-    trouve = await service.get_by_id(1)
+    trouve = await service(recommendations=FakeRepository([recommendation(1)])).get_by_id(1)
 
     assert trouve.recommendation_id == 1
 
 
 async def test_get_by_id_raises_when_the_recommendation_is_unknown() -> None:
-    service = RecommendationService(recommendations=FakeRepository([]))
-
     with pytest.raises(RecommendationNotFoundError):
-        await service.get_by_id(404)
+        await service().get_by_id(404)
+
+
+async def test_generate_persists_one_proposal_per_triggered_rule() -> None:
+    depot = FakeRepository([])
+
+    rapport = await service(
+        recommendations=depot, alerts=FakeAlertRepository([alerte(severity="critical")])
+    ).generate()
+
+    assert {n.rule_reference for n in depot.recues} == {
+        "spike-delestage-v1",
+        "escalade-astreinte-v1",
+    }
+    assert rapport.recommandations_creees == 2
+
+
+async def test_generate_commits_once() -> None:
+    transaction = FakeTransaction()
+
+    await service(alerts=FakeAlertRepository([alerte()]), transaction=transaction).generate()
+
+    assert transaction.commits == 1
+
+
+async def test_generate_restricts_the_alerts_to_the_requested_site() -> None:
+    alertes = FakeAlertRepository([alerte(1, site_id="SITE001"), alerte(2, site_id="SITE002")])
+    depot = FakeRepository([])
+
+    rapport = await service(recommendations=depot, alerts=alertes).generate(site_id="SITE002")
+
+    assert alertes.site_demande == "SITE002"
+    assert rapport.alertes_examinees == 1
+    assert {n.alert_id for n in depot.recues} == {2}
+
+
+async def test_generate_reports_nothing_when_no_alert_matches() -> None:
+    rapport = await service().generate()
+
+    assert rapport.alertes_examinees == 0
+    assert rapport.recommandations_creees == 0
+    assert rapport.deja_presentes == 0
+
+
+async def test_generate_counts_the_proposals_the_database_already_held() -> None:
+    depot = FakeRepository([], creees=0)
+
+    rapport = await service(
+        recommendations=depot, alerts=FakeAlertRepository([alerte()])
+    ).generate()
+
+    assert rapport.recommandations_creees == 0
+    assert rapport.deja_presentes == 1

apps/backend/tests/services/test_recommendation_rules.py

@@ -0,0 +1,142 @@
+from datetime import UTC, datetime
+
+import pytest
+
+from app.models.energy import Alert
+from app.services.recommendation_rules import FACTEUR_DEPASSEMENT_MAJEUR, applique_les_regles
+
+MOMENT = datetime(2024, 1, 1, tzinfo=UTC)
+
+
+def alerte(
+    *,
+    alert_id: int = 1,
+    type_alerte: str = "spike",
+    severity: str = "high",
+    value: float | None = None,
+    threshold: float | None = None,
+    metric: str | None = None,
+    site_id: str = "SITE001",
+) -> Alert:
+    return Alert(
+        alert_id=alert_id,
+        source_alert_id=f"ALR-{alert_id}",
+        site_id=site_id,
+        source="api_mock",
+        timestamp=MOMENT,
+        type=type_alerte,
+        severity=severity,
+        message="Alerte de test",
+        value=value,
+        threshold=threshold,
+        metric=metric,
+        prediction_id=None,
+        raw_data={},
+    )
+
+
+@pytest.mark.parametrize(
+    ("type_alerte", "attendue"),
+    [
+        ("spike", "spike-delestage-v1"),
+        ("threshold", "threshold-reduction-v1"),
+        ("outage", "outage-secours-v1"),
+        ("sensor", "sensor-maintenance-v1"),
+        ("anomaly", "anomaly-verification-v1"),
+    ],
+    ids=["pic", "seuil", "coupure", "capteur", "anomalie"],
+)
+def test_each_alert_type_yields_its_own_rule(type_alerte: str, attendue: str) -> None:
+    proposees = applique_les_regles(alerte(type_alerte=type_alerte))
+
+    assert [p.rule_reference for p in proposees] == [attendue]
+
+
+def test_a_critical_alert_adds_the_escalation_rule() -> None:
+    proposees = applique_les_regles(alerte(severity="critical"))
+
+    assert "escalade-astreinte-v1" in {p.rule_reference for p in proposees}
+
+
+@pytest.mark.parametrize("severity", ["low", "medium", "high"], ids=["faible", "moyenne", "haute"])
+def test_a_non_critical_alert_does_not_escalate(severity: str) -> None:
+    proposees = applique_les_regles(alerte(severity=severity))
+
+    assert "escalade-astreinte-v1" not in {p.rule_reference for p in proposees}
+
+
+def test_a_large_overshoot_adds_the_contract_rule() -> None:
+    proposees = applique_les_regles(
+        alerte(value=720.0 * FACTEUR_DEPASSEMENT_MAJEUR, threshold=720.0)
+    )
+
+    assert "contrat-puissance-v1" in {p.rule_reference for p in proposees}
+
+
+def test_an_overshoot_below_the_factor_does_not_add_the_contract_rule() -> None:
+    proposees = applique_les_regles(alerte(value=800.0, threshold=720.0))
+
+    assert "contrat-puissance-v1" not in {p.rule_reference for p in proposees}
+
+
+@pytest.mark.parametrize(
+    ("value", "threshold"),
+    [(None, 720.0), (900.0, None), (900.0, 0.0), (900.0, -10.0)],
+    ids=["sans mesure", "sans seuil", "seuil nul", "seuil negatif"],
+)
+def test_the_contract_rule_stays_silent_without_an_exploitable_threshold(
+    value: float | None, threshold: float | None
+) -> None:
+    proposees = applique_les_regles(alerte(value=value, threshold=threshold))
+
+    assert "contrat-puissance-v1" not in {p.rule_reference for p in proposees}
+
+
+def test_the_explanation_quotes_the_measure_and_the_threshold() -> None:
+    proposees = applique_les_regles(alerte(value=812.5, threshold=720.0, metric="consumption_kw"))
+
+    assert "(consumption_kw mesurée à 812.5, seuil 720.0)" in proposees[0].explanation
+
+
+def test_the_explanation_quotes_the_measure_alone_when_no_threshold_is_known() -> None:
+    proposees = applique_les_regles(alerte(value=812.5, metric="consumption_kw"))
+
+    assert "(consumption_kw mesurée à 812.5)" in proposees[0].explanation
+
+
+def test_the_explanation_omits_the_measure_when_the_alert_carries_none() -> None:
+    proposees = applique_les_regles(alerte())
+
+    assert "(" not in proposees[0].explanation
+
+
+def test_the_explanation_names_the_site() -> None:
+    proposees = applique_les_regles(alerte(site_id="SITE042"))
+
+    assert "SITE042" in proposees[0].explanation
+
+
+def test_every_proposal_carries_the_alert_identifier() -> None:
+    proposees = applique_les_regles(alerte(alert_id=77, severity="critical"))
+
+    assert {p.alert_id for p in proposees} == {77}
+
+
+def test_an_alert_never_yields_the_same_rule_twice() -> None:
+    proposees = applique_les_regles(
+        alerte(severity="critical", value=900.0, threshold=720.0, metric="consumption_kw")
+    )
+
+    assert len(proposees) == len({p.rule_reference for p in proposees})
+
+
+def test_a_critical_alert_over_the_threshold_yields_the_three_rules() -> None:
+    proposees = applique_les_regles(
+        alerte(severity="critical", value=900.0, threshold=720.0, metric="consumption_kw")
+    )
+
+    assert {p.rule_reference for p in proposees} == {
+        "spike-delestage-v1",
+        "escalade-astreinte-v1",
+        "contrat-puissance-v1",
+    }

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(
@@ -118,3 +122,30 @@ def test_main_exports_the_contract_without_asking_for_a_password(
     assert code == 0
     assert destination.exists()
     assert str(destination) in capsys.readouterr().out
+
+
+def test_build_parser_reads_the_generate_recommendations_arguments() -> None:
+    arguments = cli.build_parser().parse_args(["generate-recommendations", "--site-id", "SITE002"])
+
+    assert arguments.commande == "generate-recommendations"
+    assert arguments.site_id == "SITE002"
+
+
+def test_build_parser_defaults_the_generation_to_every_site() -> None:
+    arguments = cli.build_parser().parse_args(["generate-recommendations"])
+
+    assert arguments.site_id is None
+
+
+def test_main_generates_the_recommendations_without_asking_for_a_password(
+    monkeypatch: pytest.MonkeyPatch, capsys: pytest.CaptureFixture[str]
+) -> None:
+    async def fausse_generation(*, site_id: str | None) -> str:
+        return f"génération lancée pour {site_id}"
+
+    monkeypatch.setattr(cli, "generate_recommendations", fausse_generation)
+
+    code = cli.main(["generate-recommendations", "--site-id", "SITE002"])
+
+    assert code == 0
+    assert "SITE002" in capsys.readouterr().out

apps/backend/uv.lock

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 [[package]]
 name = "pandas"
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+version = "3.0.6"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
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     { name = "python-dateutil" },
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 ]
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 [[package]]

apps/frontend/Dockerfile

@@ -3,7 +3,7 @@
 # ==================
 
 # Image pour frontend
-FROM node:24-alpine3.22 AS builder
+FROM node:26-alpine3.22 AS builder
 
 WORKDIR /app
 
@@ -23,7 +23,7 @@ RUN npm run build
 # ==================
 
 
-FROM dhi.io/nginx:1.28.0-alpine3.21-dev AS runner
+FROM nginx:1.31-alpine AS runner
 
 # Copie de la configuration de nginx
 COPY --chown=root:root --chmod=755 nginx.conf /etc/nginx/nginx.conf

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/angular.json

@@ -34,6 +34,11 @@
           },
           "configurations": {
             "production": {
+              "optimization": {
+                "styles": {
+                  "inlineCritical": false
+                }
+              },
               "budgets": [
                 {
                   "type": "initial",

apps/frontend/package-lock.json

@@ -8,12 +8,12 @@
       "name": "frontend",
       "version": "0.0.0",
       "dependencies": {
-        "@angular/common": "^22.1.0",
-        "@angular/compiler": "^22.1.0",
-        "@angular/core": "^22.1.0",
-        "@angular/forms": "^22.1.0",
-        "@angular/platform-browser": "^22.1.0",
-        "@angular/router": "^22.1.0",
+        "@angular/common": "^22.1.7",
+        "@angular/compiler": "^22.1.7",
+        "@angular/core": "^22.1.7",
+        "@angular/forms": "^22.1.7",
+        "@angular/platform-browser": "^22.1.7",
+        "@angular/router": "^22.1.7",
         "chart.js": "^4.5.1",
         "rxjs": "~7.8.0",
         "tslib": "^2.3.0"
@@ -21,21 +21,14 @@
       "devDependencies": {
         "@angular/build": "^22.1.8",
         "@angular/cli": "^22.1.8",
-        "@angular/compiler-cli": "^22.1.0",
+        "@angular/compiler-cli": "^22.1.7",
         "@vitest/coverage-v8": "^4.1.11",
-        "jsdom": "^28.0.0",
-        "prettier": "^3.8.1",
+        "jsdom": "^30.1.0",
+        "prettier": "^3.9.8",
         "typescript": "~6.0.2",
-        "vitest": "^4.0.8"
+        "vitest": "^4.1.11"
       }
     },
-    "node_modules/@acemir/cssom": {
-      "version": "0.9.31",
-      "resolved": "https://registry.npmjs.org/@acemir/cssom/-/cssom-0.9.31.tgz",
-      "integrity": "sha512-ZnR3GSaH+/vJ0YlHau21FjfLYjMpYVIzTD8M8vIEQvIGxeOXyXdzCI140rrCY862p/C/BbzWsjc1dgnM9mkoTA==",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/@ampproject/remapping": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/@ampproject/remapping/-/remapping-2.3.0.tgz",
@@ -255,9 +248,9 @@
       }
     },
     "node_modules/@angular/common": {
-      "version": "22.1.6",
-      "resolved": "https://registry.npmjs.org/@angular/common/-/common-22.1.6.tgz",
-      "integrity": "sha512-giuH+jJvo6YbBxbKofJCXvq6k8g1Z/xCAvh4piNFSSS6/toXTLCeZ+snr6Stw5b2wRbArM5Q5nDeuto3NqVPnQ==",
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-      "license": "MIT"
-    },
     "node_modules/tinybench": {
       "version": "2.9.0",
       "resolved": "https://registry.npmjs.org/tinybench/-/tinybench-2.9.0.tgz",
@@ -7469,13 +7390,13 @@
       }
     },
     "node_modules/undici": {
-      "version": "7.29.1",
-      "resolved": "https://registry.npmjs.org/undici/-/undici-7.29.1.tgz",
-      "integrity": "sha512-RYONW2MeafgYlkVOKYKkA/Ag7BmXqgIWCa8t1m0JcxrQg9pI9lEqRhAOruOBCbAohOa/gkCF+iPi9hrgvTzu6Q==",
+      "version": "8.10.2",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-8.10.2.tgz",
+      "integrity": "sha512-/y4/bH9YNU5hi9NIrpOuvGXFcxrj3CMrV+/AYpowAYTpHn8gX/XPFjNy766FPoYY0miQhdW977JFWKGNhBdwyQ==",
       "dev": true,
       "license": "MIT",
       "engines": {
-        "node": ">=20.18.1"
+        "node": ">=22.19.0"
       }
     },
     "node_modules/unpipe": {

apps/frontend/package.json

@@ -12,12 +12,12 @@
   "private": true,
   "packageManager": "npm@11.19.0",
   "dependencies": {
-    "@angular/common": "^22.1.0",
-    "@angular/compiler": "^22.1.0",
-    "@angular/core": "^22.1.0",
-    "@angular/forms": "^22.1.0",
-    "@angular/platform-browser": "^22.1.0",
-    "@angular/router": "^22.1.0",
+    "@angular/common": "^22.1.7",
+    "@angular/compiler": "^22.1.7",
+    "@angular/core": "^22.1.7",
+    "@angular/forms": "^22.1.7",
+    "@angular/platform-browser": "^22.1.7",
+    "@angular/router": "^22.1.7",
     "chart.js": "^4.5.1",
     "rxjs": "~7.8.0",
     "tslib": "^2.3.0"
@@ -25,11 +25,11 @@
   "devDependencies": {
     "@angular/build": "^22.1.8",
     "@angular/cli": "^22.1.8",
-    "@angular/compiler-cli": "^22.1.0",
+    "@angular/compiler-cli": "^22.1.7",
     "@vitest/coverage-v8": "^4.1.11",
-    "jsdom": "^28.0.0",
-    "prettier": "^3.8.1",
+    "jsdom": "^30.1.0",
+    "prettier": "^3.9.8",
     "typescript": "~6.0.2",
-    "vitest": "^4.0.8"
+    "vitest": "^4.1.11"
   }
 }

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: '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: '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: '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',
@@ -23,4 +38,17 @@ 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],
+    data: { role: 'admin' },
+    loadComponent: () =>
+      import('./features/monitoring/sensor-status/sensor-status').then((m) => m.SensorStatusView),
+  },
 ];

apps/frontend/src/app/core/interceptors/mock-api-interceptor.spec.ts

@@ -8,8 +8,10 @@ import { STATS_SUMMARY_FIXTURE } from '../mocks/stats-summary.fixture';
 describe('mockApiInterceptor', () => {
   let http: HttpClient;
   let httpMock: HttpTestingController;
+  let useMockFixturesInitial: boolean;
 
   beforeEach(() => {
+    useMockFixturesInitial = environment.useMockFixtures;
     TestBed.configureTestingModule({
       providers: [
         provideHttpClient(withInterceptors([mockApiInterceptor])),
@@ -21,7 +23,7 @@ describe('mockApiInterceptor', () => {
   });
 
   afterEach(() => {
-    environment.useMockFixtures = true;
+    environment.useMockFixtures = useMockFixturesInitial;
     httpMock.verify();
   });
 

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',
-    timestamp: '2026-09-15T11:12:00',
+    alert_id: 5,
     site_id: 'SITE002',
+    timestamp: '2026-09-15T11:12:00Z',
+    type: 'threshold',
     severity: 'critical',
-    type: 'outage',
-    message: 'Risque de surcharge sur Usine Lyon Vénissieux',
+    message: 'Puissance appelée 812.5 kW au-dessus de la capacité du site (720.0 kW)',
     value: 812.5,
     threshold: 720.0,
+    metric: 'consumption_kw',
+    prediction_id: null,
   },
   {
-    alert_id: 'ALR-SITE003-1718458321',
-    timestamp: '2026-09-15T11:05:00',
+    alert_id: 4,
     site_id: 'SITE003',
+    timestamp: '2026-09-15T11:05:00Z',
+    type: 'outage',
     severity: 'critical',
-    type: 'sensor',
-    message: 'Perte réseau totale sur Data Center Marseille',
-    value: 0,
-    threshold: 0,
+    message: 'Aucune lecture depuis 5:00:00 (dernière lecture : 2026-09-15T06:05:00+00:00)',
+    value: null,
+    threshold: null,
+    metric: null,
+    prediction_id: null,
   },
   {
-    alert_id: 'ALR-SITE005-1718458322',
-    timestamp: '2026-09-15T10:47:00',
+    alert_id: 3,
     site_id: 'SITE005',
+    timestamp: '2026-09-15T10:47:00Z',
+    type: 'spike',
     severity: 'high',
-    type: 'threshold',
-    message: 'Usine Toulouse approche de son seuil de capacité',
+    message: 'Variation brutale entre deux lectures consécutives (260.0 kW -> 410.0 kW)',
     value: 410.0,
-    threshold: 480.0,
+    threshold: 260.0,
+    metric: 'consumption_kw',
+    prediction_id: null,
   },
   {
-    alert_id: 'ALR-SITE006-1718458323',
-    timestamp: '2026-09-15T10:30:00',
+    alert_id: 2,
     site_id: 'SITE006',
-    severity: 'medium',
+    timestamp: '2026-09-15T10:30:00Z',
     type: 'sensor',
-    message: 'Capteur de température défaillant sur Bureau Lille',
-    value: 0,
-    threshold: 0,
+    severity: 'medium',
+    message: 'Qualité de mesure degraded (capteur hors ligne, valeur nulle)',
+    value: null,
+    threshold: null,
+    metric: null,
+    prediction_id: null,
   },
   {
-    alert_id: 'ALR-SITE004-1718458324',
-    timestamp: '2026-09-15T09:58:00',
+    alert_id: 1,
     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", () => {
-    let result: unknown;
+  it("appelle le bon endpoint sans paramètre et retourne un tableau d'alertes", () => {
+    let result: Alert[] = [];
     service.getAlerts().subscribe((r) => (result = r));
 
-    const req = httpMock.expectOne(`${environment.apiUrl}/alerts`);
-    expect(req.request.method).toBe('GET');
+    const req = httpMock.expectOne(
+      (r) => r.url === `${environment.apiUrl}/alerts` && r.method === 'GET',
+    );
+    expect(req.request.params.keys()).toEqual([]);
+    req.flush([ALERT_API]);
 
-    req.flush([
-      {
-        alert_id: 'ALR-TEST-1',
-        timestamp: '2026-09-15T12:00:00',
-        site_id: 'SITE001',
-        severity: 'high',
-        type: 'threshold',
-        message: 'Test',
-        value: 100,
-        threshold: 90,
-      },
-    ]);
+    expect(result.length).toBe(1);
+    expect(result[0].alert_id).toBe(1);
+    expect(result[0].prediction_id).toBeNull();
+  });
 
-    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() {
-    return this.http.get<Alert[]>(`${environment.apiUrl}/alerts`);
+  getAlerts(filters: AlertFilters = {}) {
+    let params = new HttpParams();
+    if (filters.site_id) {
+      params = params.set('site_id', filters.site_id);
+    }
+    if (filters.severity) {
+      params = params.set('severity', filters.severity);
+    }
+    return this.http.get<Alert[]>(`${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/core/services/sensors.service.spec.ts

@@ -0,0 +1,48 @@
+import { TestBed } from '@angular/core/testing';
+import { provideHttpClient } from '@angular/common/http';
+import { provideHttpClientTesting, HttpTestingController } from '@angular/common/http/testing';
+import { SensorsService } from './sensors.service';
+import { environment } from '../../../environments/environment';
+
+describe('SensorsService', () => {
+  let service: SensorsService;
+  let httpMock: HttpTestingController;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      providers: [provideHttpClient(), provideHttpClientTesting()],
+    });
+    service = TestBed.inject(SensorsService);
+    httpMock = TestBed.inject(HttpTestingController);
+  });
+
+  afterEach(() => httpMock.verify());
+
+  it("appelle l'endpoint /sensors/status et retourne la réponse", () => {
+    let result: unknown;
+    service.getStatus().subscribe((r) => (result = r));
+
+    const req = httpMock.expectOne(`${environment.apiUrl}/sensors/status`);
+    expect(req.request.method).toBe('GET');
+
+    req.flush({
+      timestamp: '2026-09-18T08:00:00',
+      sites: [
+        {
+          site_id: 'SITE001',
+          site_name: 'Test',
+          overall: 'ok',
+          sensors: {
+            consumption: { status: 'ok', since: null },
+            electrical: { status: 'ok', since: null },
+            temperature: { status: 'ok', since: null },
+            humidity: { status: 'ok', since: null },
+            network: { status: 'ok', since: null },
+          },
+        },
+      ],
+    });
+
+    expect((result as { sites: unknown[] }).sites.length).toBe(1);
+  });
+});

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

@@ -0,0 +1,13 @@
+import { Service, inject } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
+import { environment } from '../../../environments/environment';
+import {SensorStatusResponse} from '../../shared/models/sensor-status.model';
+
+@Service()
+export class SensorsService {
+  private http = inject(HttpClient);
+
+  getStatus() {
+    return this.http.get<SensorStatusResponse>(`${environment.apiUrl}/sensors/status`);
+  }
+}

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

@@ -10,7 +10,11 @@
       </div>
     </div>
     <div class="dashboard__actions">
+      @if (auth.principal()?.role === 'admin') {
+        <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"
@@ -24,87 +28,120 @@
   @if (statsError(); as message) {
     <ev-alert severity="danger" class="banner-error">{{ message }}</ev-alert>
   }
-  @if (alertsError(); as message) {
-    <ev-alert severity="danger" class="banner-error">{{ message }}</ev-alert>
-  }
   @if (predictionsError(); as message) {
     <ev-alert severity="danger" class="banner-error">{{ message }}</ev-alert>
   }
 
   @if (stats(); as s) {
-    <section class="overview">
-      <ev-card class="card card--gauge">
-        <span class="card__label">Consommation vs capacité</span>
+    <p class="dashboard__status">
+      <span class="dashboard__pulse" aria-hidden="true"></span>
+      Actualisé à {{ s.timestamp | date: 'HH:mm:ss' }} · {{ s.total_sites }} sites suivis
+    </p>
+
+    <section class="overview" aria-label="Indicateurs du parc">
+      <ev-card class="kpi kpi--gauge">
+        <span class="kpi__label">Consommation vs capacité</span>
         <app-consumption-gauge
           [consumption]="s.total_consumption_kw"
           [capacity]="s.total_capacity_kw"
         />
-        <span class="card__value"
-          >{{ s.total_consumption_kw | number: '1.0-1' }} /
-          {{ s.total_capacity_kw | number }} kW</span
+        <span class="kpi__value">
+          {{ s.total_consumption_kw | number: '1.0-1' }}
+          <small>/ {{ s.total_capacity_kw | number }} kW</small>
+        </span>
+      </ev-card>
+
+      <ev-card class="kpi">
+        <span class="kpi__label">Charge moyenne du parc</span>
+        <span class="kpi__value"
+          >{{ s.average_load_percent | number: '1.0-0' }} <small>%</small></span
         >
-      </ev-card>
-
-      <ev-card class="card">
-        <span class="card__label">Charge moyenne du parc</span>
-        <span class="card__value">{{ s.average_load_percent }} %</span>
-        <div class="progress-bar">
-          <div class="progress-bar__fill" [style.width.%]="s.average_load_percent"></div>
+        <div
+          class="progress-bar"
+          role="progressbar"
+          aria-valuemin="0"
+          aria-valuemax="100"
+          [attr.aria-valuenow]="s.average_load_percent"
+        >
+          <div
+            class="progress-bar__fill"
+            [class]="'progress-bar__fill--' + loadTone(s.average_load_percent)"
+            [style.width.%]="s.average_load_percent"
+          ></div>
         </div>
+        <span class="kpi__hint">{{ loadHint(s.average_load_percent) }}</span>
       </ev-card>
 
-      <ev-card class="card">
-        <span class="card__label">Sites suivis</span>
-        <span class="card__value">{{ s.total_sites }}</span>
+      <ev-card class="kpi">
+        <span class="kpi__label">Sites suivis</span>
+        <span class="kpi__value">{{ s.total_sites }}</span>
+        <a routerLink="/sites" class="ev-link kpi__link">Voir la liste des sites</a>
       </ev-card>
     </section>
-
-    <section class="chart-section">
-      <h2>Charge et alerte visuelle par site</h2>
-      <app-site-load-chart [sites]="s.sites" />
-    </section>
   }
 
-  @if (alerts().length > 0) {
-    <section class="alerts-section">
-      <h2>Alertes actives</h2>
-      <ul class="alerts-list">
-        @for (alert of alerts(); track alert.alert_id) {
-          <li class="alert-item">
-            <ev-badge [tone]="badgeToneForSeverity(alert.severity)">{{ alert.severity }}</ev-badge>
-            <span class="alert-item__message">{{ alert.message }}</span>
-          </li>
+  <div class="dashboard__grid">
+    <div class="dashboard__main">
+      @if (stats(); as s) {
+        <section class="chart-section">
+          <h2>Charge par site</h2>
+          <ev-card class="chart-card">
+            <app-site-load-chart [sites]="s.sites" />
+          </ev-card>
+        </section>
+      }
+
+      <section class="predictions-section">
+        <h2>Prévisions de consommation</h2>
+        @if (predictions().length > 0) {
+          <ev-card class="ev-table-card">
+            <table class="ev-table">
+              <thead>
+                <tr>
+                  <th>Site</th>
+                  <th>Prévision</th>
+                  <th>Échéance</th>
+                  <th></th>
+                </tr>
+              </thead>
+              <tbody>
+                @for (site of predictions(); track site.site_id) {
+                  <tr>
+                    <td>{{ site.site_name }}</td>
+                    @if (site.prediction; as prediction) {
+                      @if (prediction.status === 'available') {
+                        <td class="ev-table__number">
+                          {{ prediction.predicted_value | number: '1.0-1' }} kWh
+                        </td>
+                        <td>{{ prediction.target_at | date: "dd/MM 'à' HH:mm" }}</td>
+                      } @else {
+                        <td>
+                          <ev-badge [tone]="badgeToneForPredictionStatus(prediction.status)">{{
+                            prediction.status === 'insufficient_data'
+                              ? 'Historique insuffisant'
+                              : 'Erreur'
+                          }}</ev-badge>
+                        </td>
+                        <td class="ev-table__muted">-</td>
+                      }
+                    } @else {
+                      <td><ev-badge tone="neutral">Pas encore de prévision</ev-badge></td>
+                      <td class="ev-table__muted">-</td>
+                    }
+                    <td><a [routerLink]="['/sites', site.site_id]" class="ev-link">Détail</a></td>
+                  </tr>
+                }
+              </tbody>
+            </table>
+          </ev-card>
+        } @else if (!predictionsError()) {
+          <p class="dashboard__empty">Aucune prévision disponible pour le moment.</p>
         }
-      </ul>
-    </section>
-  }
+      </section>
+    </div>
 
-  @if (predictions().length > 0) {
-    <section class="predictions-section">
-      <h2>Prévisions de consommation</h2>
-      <ul class="predictions-list">
-        @for (site of predictions(); track site.site_id) {
-          <li class="prediction-item">
-            <span class="prediction-item__site">{{ site.site_name }}</span>
-            @if (site.prediction; as prediction) {
-              @if (prediction.status === 'available') {
-                <span class="prediction-item__value">
-                  {{ prediction.predicted_value | number: '1.0-1' }} kWh
-                  <span class="prediction-item__target"
-                    >{{ prediction.target_at | date: "dd/MM 'à' HH:mm" }}</span
-                  >
-                </span>
-              } @else {
-                <ev-badge [tone]="badgeToneForPredictionStatus(prediction.status)">{{
-                  prediction.status === 'insufficient_data' ? 'Historique insuffisant' : 'Erreur'
-                }}</ev-badge>
-              }
-            } @else {
-              <ev-badge tone="neutral">Pas encore de prévision</ev-badge>
-            }
-          </li>
-        }
-      </ul>
-    </section>
-  }
+    <aside class="dashboard__side" aria-label="Alertes actives">
+      <app-alert-feed />
+    </aside>
+  </div>
 </div>

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

@@ -8,9 +8,11 @@
 
 .dashboard__header {
   display: flex;
+  flex-wrap: wrap;
   align-items: flex-start;
   justify-content: space-between;
-  margin-bottom: 2rem;
+  gap: var(--space-3);
+  margin-bottom: var(--space-3);
 }
 
 .dashboard__brand {
@@ -20,8 +22,9 @@
 
   h1 {
     margin: 0;
-    font-size: 1.75rem;
+    font-size: var(--font-size-xl);
     font-weight: 700;
+    letter-spacing: -0.01em;
   }
 }
 
@@ -31,19 +34,69 @@
 
 .dashboard__subtitle {
   margin: 0.25rem 0 0;
+  font-size: var(--font-size-sm);
   color: var(--color-text-muted);
 }
 
 .dashboard__actions {
   display: flex;
+  flex-wrap: wrap;
   align-items: center;
-  gap: 1rem;
+  gap: var(--space-2);
+
+  .ev-link {
+    padding: 0.45rem 0.9rem;
+    border-radius: var(--radius-pill);
+    background: var(--color-primary-light);
+    color: var(--color-primary-hover);
+    font-size: var(--font-size-sm);
+    transition: background 0.15s ease;
+
+    &:hover {
+      background: var(--color-primary);
+      color: var(--color-text-inverse);
+      text-decoration: none;
+    }
+  }
+}
+
+.dashboard__status {
+  display: flex;
+  align-items: center;
+  gap: var(--space-2);
+  margin: 0 0 var(--space-4);
+  font-size: var(--font-size-sm);
+  color: var(--color-text-muted);
+}
+
+.dashboard__pulse {
+  width: 0.6rem;
+  height: 0.6rem;
+  border-radius: 50%;
+  background: var(--color-success);
+  animation: pulse 2s ease-out infinite;
+}
+
+@keyframes pulse {
+  0% {
+    box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.45);
+  }
+
+  100% {
+    box-shadow: 0 0 0 8px rgba(22, 163, 74, 0);
+  }
+}
+
+@media (prefers-reduced-motion: reduce) {
+  .dashboard__pulse {
+    animation: none;
+  }
 }
 
 h2 {
-  font-size: 1.1rem;
+  margin: 0 0 var(--space-3);
+  font-size: var(--font-size-lg);
   font-weight: 600;
-  margin: 0 0 1rem;
 }
 
 .banner-error {
@@ -54,107 +107,124 @@ h2 {
 .overview {
   display: grid;
   grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
-  gap: 1rem;
-  margin-bottom: 2.5rem;
+  gap: var(--space-3);
+  margin-bottom: var(--space-5);
 }
 
-.card {
-  padding: 1.25rem;
-  gap: 0.35rem;
+.kpi {
+  position: relative;
+  overflow: hidden;
+  padding: var(--space-4);
+  gap: var(--space-1);
+  transition:
+    box-shadow 0.15s ease,
+    transform 0.15s ease;
+
+  &::before {
+    content: '';
+    position: absolute;
+    inset: 0 0 auto 0;
+    height: 3px;
+    background: var(--color-primary);
+  }
+
+  &:hover {
+    box-shadow: var(--shadow-card-hover);
+    transform: translateY(-1px);
+  }
 }
 
-.card--gauge {
+.kpi--gauge {
   align-items: center;
   text-align: center;
 }
 
-.card__label {
-  font-size: 0.8rem;
+.kpi__label {
+  font-size: var(--font-size-xs);
+  font-weight: 600;
   color: var(--color-text-muted);
   text-transform: uppercase;
-  letter-spacing: 0.02em;
+  letter-spacing: 0.06em;
 }
 
-.card__value {
-  font-size: 1.6rem;
+.kpi__value {
+  font-size: var(--font-size-2xl);
   font-weight: 700;
+  line-height: 1.1;
+  font-variant-numeric: tabular-nums;
+
+  small {
+    font-size: var(--font-size-sm);
+    font-weight: 500;
+    color: var(--color-text-muted);
+  }
+}
+
+.kpi__hint {
+  font-size: var(--font-size-xs);
+  color: var(--color-text-muted);
+}
+
+.kpi__link {
+  margin-top: auto;
+  font-size: var(--font-size-sm);
 }
 
 .progress-bar {
-  height: 6px;
+  height: 8px;
+  margin: var(--space-1) 0;
   background: var(--color-border-light);
   border-radius: var(--radius-pill);
   overflow: hidden;
-  margin-top: 0.25rem;
 }
 
 .progress-bar__fill {
   height: 100%;
-  background: var(--color-primary);
   border-radius: var(--radius-pill);
+  background: var(--color-success);
   transition: width 0.3s ease;
 }
 
+.progress-bar__fill--warning {
+  background: var(--color-warning);
+}
+
+.progress-bar__fill--danger {
+  background: var(--color-danger);
+}
+
+.dashboard__grid {
+  display: grid;
+  grid-template-columns: minmax(0, 1fr) minmax(320px, 380px);
+  gap: var(--space-4);
+  align-items: start;
+}
+
+.dashboard__side {
+  position: sticky;
+  top: var(--space-3);
+}
+
 .chart-section {
-  margin-bottom: 2.5rem;
+  margin-bottom: var(--space-5);
 }
 
-.alerts-list {
-  list-style: none;
+.chart-card {
+  padding: var(--space-3);
+}
+
+.dashboard__empty {
   margin: 0;
-  padding: 0;
-  display: flex;
-  flex-direction: column;
-  gap: 0.5rem;
-}
-
-.alert-item {
-  display: flex;
-  align-items: center;
-  gap: 0.75rem;
-  padding: 0.7rem 1rem;
-  border-radius: var(--radius-md);
-  background: var(--color-danger-bg);
-  border: 1px solid var(--color-danger-border);
-}
-
-.alert-item__message {
-  font-size: 0.9rem;
-}
-
-.predictions-list {
-  list-style: none;
-  margin: 0;
-  padding: 0;
-  display: flex;
-  flex-direction: column;
-  gap: 0.5rem;
-}
-
-.prediction-item {
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
-  gap: 0.75rem;
-  padding: 0.7rem 1rem;
-  border-radius: var(--radius-md);
-  background: var(--color-surface);
-  border: 1px solid var(--color-border-light);
-}
-
-.prediction-item__site {
-  font-size: 0.9rem;
-  font-weight: 600;
-}
-
-.prediction-item__value {
-  font-size: 0.9rem;
-  font-weight: 600;
-}
-
-.prediction-item__target {
-  margin-left: 0.35rem;
-  font-size: 0.8rem;
-  font-weight: 400;
+  font-size: var(--font-size-sm);
   color: var(--color-text-muted);
 }
+
+@media (max-width: 900px) {
+  .dashboard__grid {
+    grid-template-columns: 1fr;
+  }
+
+  .dashboard__side {
+    position: static;
+  }
+}

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

@@ -1,12 +1,13 @@
 import { TestBed } from '@angular/core/testing';
 import { vi } from 'vitest';
-import { of, throwError } from 'rxjs';
+import { Observable, of, throwError } from 'rxjs';
+import { Router, provideRouter } from '@angular/router';
 import { Dashboard } from './dashboard';
 import { StatsService } from '../../core/services/stats.service';
 import { AlertsService } from '../../core/services/alerts.service';
+import { SitesService } from '../../core/services/sites.service';
 import { PredictionsService } from '../../core/services/predictions.service';
-import {AuthService} from '../../core/services/auth.service';
-import {Router, provideRouter} from '@angular/router';
+import { AuthService } from '../../core/services/auth.service';
 
 vi.mock('chart.js', () => {
   class ChartMock {
@@ -18,66 +19,73 @@ vi.mock('chart.js', () => {
   return { Chart: ChartMock, registerables: [] };
 });
 
+const STATS = { total_sites: 7, sites: [] };
+
 function predictionsMock(sites: unknown[] = []) {
-  return { getPredictions: vi.fn().mockReturnValue(of({ timestamp: '2026-09-18T09:00:00Z', sites })) };
+  return {
+    getPredictions: vi.fn().mockReturnValue(of({ timestamp: '2026-09-18T09:00:00Z', sites })),
+  };
+}
+
+function setup(
+  options: {
+    stats?: Observable<unknown>;
+    predictions?: { getPredictions: ReturnType<typeof vi.fn> };
+    auth?: Record<string, unknown>;
+  } = {},
+) {
+  const statsMock = { getSummary: vi.fn().mockReturnValue(options.stats ?? of(STATS)) };
+  const predictions = options.predictions ?? predictionsMock();
+  TestBed.configureTestingModule({
+    imports: [Dashboard],
+    providers: [
+      { provide: StatsService, useValue: statsMock },
+      { provide: AlertsService, useValue: { getAlerts: vi.fn().mockReturnValue(of([])) } },
+      { provide: SitesService, useValue: { getSites: vi.fn().mockReturnValue(of([])) } },
+      { provide: PredictionsService, useValue: predictions },
+      ...(options.auth ? [{ provide: AuthService, useValue: options.auth }] : []),
+      provideRouter([]),
+    ],
+  });
+  return { fixture: TestBed.createComponent(Dashboard), statsMock, predictions };
 }
 
 describe('Dashboard', () => {
   afterEach(() => vi.useRealTimers());
 
-  it('charge les stats, les alertes et les prévisions au démarrage', async () => {
-    const statsMock = { getSummary: vi.fn().mockReturnValue(of({ total_sites: 7, sites: [] })) };
-    const alertsMock = { getAlerts: vi.fn().mockReturnValue(of([{ alert_id: 'A1' }])) };
-    const predictions = predictionsMock([{ site_id: 'SITE001', site_name: 'Test', prediction: null }]);
-
-    TestBed.configureTestingModule({
-      imports: [Dashboard],
-      providers: [
-        { provide: StatsService, useValue: statsMock },
-        { provide: AlertsService, useValue: alertsMock },
-        { provide: PredictionsService, useValue: predictions },
-        provideRouter([]),
-      ],
+  it('charge les stats et les prévisions au démarrage', async () => {
+    const { fixture, statsMock, predictions } = setup({
+      predictions: predictionsMock([{ site_id: 'SITE001', site_name: 'Test', prediction: null }]),
     });
 
-    const fixture = TestBed.createComponent(Dashboard);
     fixture.detectChanges();
-
-    // laisse le timer(0, ...) se déclencher avant de vérifier
     await new Promise((resolve) => setTimeout(resolve, 0));
     fixture.detectChanges();
 
     expect(statsMock.getSummary).toHaveBeenCalled();
-    expect(alertsMock.getAlerts).toHaveBeenCalled();
     expect(predictions.getPredictions).toHaveBeenCalled();
-    expect(fixture.componentInstance.alerts().length).toBe(1);
     expect(fixture.componentInstance.predictions().length).toBe(1);
     expect(fixture.componentInstance.statsError()).toBeNull();
-    expect(fixture.componentInstance.alertsError()).toBeNull();
     expect(fixture.componentInstance.predictionsError()).toBeNull();
   });
 
+  it('délègue les alertes au widget app-alert-feed', () => {
+    const { fixture } = setup();
+
+    fixture.detectChanges();
+
+    expect(fixture.nativeElement.querySelector('app-alert-feed')).not.toBeNull();
+  });
+
   it("signale l'indisponibilité puis repart au rafraîchissement suivant", () => {
     vi.useFakeTimers();
-    const statsMock = {
-      getSummary: vi
-        .fn()
-        .mockReturnValueOnce(throwError(() => new Error('API injoignable')))
-        .mockReturnValue(of({ total_sites: 7, sites: [] })),
-    };
-    const alertsMock = { getAlerts: vi.fn().mockReturnValue(of([])) };
-
-    TestBed.configureTestingModule({
-      imports: [Dashboard],
-      providers: [
-        { provide: StatsService, useValue: statsMock },
-        { provide: AlertsService, useValue: alertsMock },
-        { provide: PredictionsService, useValue: predictionsMock() },
-        provideRouter([]),
-      ],
+    const { fixture, statsMock } = setup({
+      stats: throwError(() => new Error('API injoignable')),
     });
+    statsMock.getSummary
+      .mockReturnValueOnce(throwError(() => new Error('API injoignable')))
+      .mockReturnValue(of(STATS));
 
-    const fixture = TestBed.createComponent(Dashboard);
     fixture.detectChanges();
 
     vi.advanceTimersByTime(1);
@@ -91,45 +99,11 @@ describe('Dashboard', () => {
     expect(fixture.componentInstance.statsError()).toBeNull();
   });
 
-  it("n'interrompt pas la page quand le chargement des alertes échoue", () => {
-    const statsMock = { getSummary: vi.fn().mockReturnValue(of({ total_sites: 7, sites: [] })) };
-    const alertsMock = { getAlerts: vi.fn().mockReturnValue(throwError(() => new Error('nope'))) };
-
-    TestBed.configureTestingModule({
-      imports: [Dashboard],
-      providers: [
-        { provide: StatsService, useValue: statsMock },
-        { provide: AlertsService, useValue: alertsMock },
-        { provide: PredictionsService, useValue: predictionsMock() },
-        provideRouter([]),
-      ],
-    });
-
-    const fixture = TestBed.createComponent(Dashboard);
-    fixture.detectChanges();
-
-    expect(fixture.componentInstance.alerts().length).toBe(0);
-    expect(fixture.componentInstance.alertsError()).not.toBeNull();
-  });
-
   it("n'interrompt pas la page quand le chargement des prévisions échoue", () => {
-    const statsMock = { getSummary: vi.fn().mockReturnValue(of({ total_sites: 7, sites: [] })) };
-    const alertsMock = { getAlerts: vi.fn().mockReturnValue(of([])) };
-    const predictions = {
-      getPredictions: vi.fn().mockReturnValue(throwError(() => new Error('nope'))),
-    };
-
-    TestBed.configureTestingModule({
-      imports: [Dashboard],
-      providers: [
-        { provide: StatsService, useValue: statsMock },
-        { provide: AlertsService, useValue: alertsMock },
-        { provide: PredictionsService, useValue: predictions },
-        provideRouter([]),
-      ],
+    const { fixture } = setup({
+      predictions: { getPredictions: vi.fn().mockReturnValue(throwError(() => new Error('nope'))) },
     });
 
-    const fixture = TestBed.createComponent(Dashboard);
     fixture.detectChanges();
 
     expect(fixture.componentInstance.predictions().length).toBe(0);
@@ -138,25 +112,11 @@ describe('Dashboard', () => {
 
   it("un rafraîchissement de stats n'efface pas une erreur de prévisions en attente", () => {
     vi.useFakeTimers();
-    const statsMock = { getSummary: vi.fn().mockReturnValue(of({ total_sites: 7, sites: [] })) };
-    const alertsMock = { getAlerts: vi.fn().mockReturnValue(of([])) };
-    const predictions = {
-      getPredictions: vi.fn().mockReturnValue(throwError(() => new Error('nope'))),
-    };
-
-    TestBed.configureTestingModule({
-      imports: [Dashboard],
-      providers: [
-        { provide: StatsService, useValue: statsMock },
-        { provide: AlertsService, useValue: alertsMock },
-        { provide: PredictionsService, useValue: predictions },
-        provideRouter([]),
-      ],
+    const { fixture } = setup({
+      predictions: { getPredictions: vi.fn().mockReturnValue(throwError(() => new Error('nope'))) },
     });
 
-    const fixture = TestBed.createComponent(Dashboard);
     fixture.detectChanges();
-
     expect(fixture.componentInstance.predictionsError()).not.toBeNull();
 
     // Plusieurs cycles de `timer(0, 10_000)` (stats) plus tard, l'erreur des prévisions doit
@@ -168,105 +128,106 @@ describe('Dashboard', () => {
   });
 
   it('appelle logout et redirige vers /login au clic sur le bouton de déconnexion', () => {
-  const statsMock = { getSummary: vi.fn().mockReturnValue(of({ total_sites: 7, sites: [] })) };
-  const alertsMock = { getAlerts: vi.fn().mockReturnValue(of([])) };
-  const authMock = { logout: vi.fn().mockReturnValue(of(undefined)), clearSession: vi.fn() };
+    const authMock = {
+      logout: vi.fn().mockReturnValue(of(undefined)),
+      clearSession: vi.fn(),
+      principal: vi.fn().mockReturnValue({ role: 'admin' }),
+    };
+    const { fixture } = setup({ auth: authMock });
+    fixture.detectChanges();
+    const router = TestBed.inject(Router);
+    const navigateSpy = vi.spyOn(router, 'navigate').mockResolvedValue(true);
 
-  TestBed.configureTestingModule({
-    imports: [Dashboard],
-    providers: [
-      { provide: StatsService, useValue: statsMock },
-      { provide: AlertsService, useValue: alertsMock },
-      { provide: PredictionsService, useValue: predictionsMock() },
-      { provide: AuthService, useValue: authMock },
-      provideRouter([]),
-    ],
+    fixture.nativeElement.querySelector('.logout-button').click();
+
+    expect(authMock.logout).toHaveBeenCalled();
+    expect(navigateSpy).toHaveBeenCalledWith(['/login']);
   });
 
-  const fixture = TestBed.createComponent(Dashboard);
-  fixture.detectChanges();
-
-  const router = TestBed.inject(Router);
-  const navigateSpy = vi.spyOn(router, 'navigate').mockResolvedValue(true);
-
-  const button = fixture.nativeElement.querySelector('.logout-button');
-  button.click();
-
-  expect(authMock.logout).toHaveBeenCalled();
-  expect(navigateSpy).toHaveBeenCalledWith(['/login']);
-  });
   it('déconnecte localement et redirige vers /login même si logout échoue côté réseau', () => {
-  const statsMock = { getSummary: vi.fn().mockReturnValue(of({ total_sites: 7, sites: [] })) };
-  const alertsMock = { getAlerts: vi.fn().mockReturnValue(of([])) };
-  const authMock = {
-    logout: vi.fn().mockReturnValue(throwError(() => new Error('réseau indisponible'))),
-    clearSession: vi.fn(),
-  };
-  TestBed.configureTestingModule({
-    imports: [Dashboard],
-    providers: [
-      { provide: StatsService, useValue: statsMock },
-      { provide: AlertsService, useValue: alertsMock },
-      { provide: PredictionsService, useValue: predictionsMock() },
-      { provide: AuthService, useValue: authMock },
-      provideRouter([]),
-    ],
+    const authMock = {
+      logout: vi.fn().mockReturnValue(throwError(() => new Error('réseau indisponible'))),
+      clearSession: vi.fn(),
+      principal: vi.fn().mockReturnValue({ role: 'admin' }),
+    };
+    const { fixture } = setup({ auth: authMock });
+    fixture.detectChanges();
+    const router = TestBed.inject(Router);
+    const navigateSpy = vi.spyOn(router, 'navigate').mockResolvedValue(true);
+
+    fixture.nativeElement.querySelector('.logout-button').click();
+
+    expect(authMock.clearSession).toHaveBeenCalled();
+    expect(navigateSpy).toHaveBeenCalledWith(['/login']);
   });
 
-  const fixture = TestBed.createComponent(Dashboard);
-  fixture.detectChanges();
-
-  const router = TestBed.inject(Router);
-  const navigateSpy = vi.spyOn(router, 'navigate').mockResolvedValue(true);
-
-  const button = fixture.nativeElement.querySelector('.logout-button');
-  button.click();
-
-  expect(authMock.clearSession).toHaveBeenCalled();
-  expect(navigateSpy).toHaveBeenCalledWith(['/login']);
-});
-
-  it('distingue le ton des sévérités high et critical', () => {
-    const statsMock = { getSummary: vi.fn().mockReturnValue(of({ total_sites: 7, sites: [] })) };
-    const alertsMock = { getAlerts: vi.fn().mockReturnValue(of([])) };
-
-    TestBed.configureTestingModule({
-      imports: [Dashboard],
-      providers: [
-        { provide: StatsService, useValue: statsMock },
-        { provide: AlertsService, useValue: alertsMock },
-        { provide: PredictionsService, useValue: predictionsMock() },
-        provideRouter([]),
-      ],
+  it('affiche l’heure du dernier relevé et les indicateurs du parc', () => {
+    vi.useFakeTimers();
+    const { fixture } = setup({
+      stats: of({
+        timestamp: '2026-09-18T09:00:00Z',
+        total_sites: 7,
+        total_consumption_kw: 1234.5,
+        total_capacity_kw: 5000,
+        average_load_percent: 24.7,
+        sites: [],
+      }),
     });
 
-    const fixture = TestBed.createComponent(Dashboard);
+    fixture.detectChanges();
+    vi.advanceTimersByTime(1);
+    fixture.detectChanges();
+
+    const texte = fixture.nativeElement.textContent as string;
+    expect(texte).toContain('Actualisé à');
+    expect(texte).toContain('7 sites suivis');
+    expect(texte).toContain('Marge confortable');
+    expect(fixture.nativeElement.querySelector('.progress-bar__fill--success')).not.toBeNull();
+  });
+
+  it('présente les prévisions en tableau avec un lien vers chaque site', () => {
+    const { fixture } = setup({
+      predictions: predictionsMock([
+        {
+          site_id: 'SITE001',
+          site_name: 'Usine Nantes',
+          prediction: {
+            target_at: '2026-09-18T10:00:00Z',
+            target_metric: 'consumption_kwh',
+            period_minutes: 60,
+            predicted_value: 118.4,
+            status: 'available',
+            failure_reason: null,
+            model_reference: 'lightgbm-v1',
+            created_at: '2026-09-18T09:00:00Z',
+          },
+        },
+        { site_id: 'SITE002', site_name: 'Bureau Lille', prediction: null },
+      ]),
+    });
+
+    fixture.detectChanges();
+
+    const table = fixture.nativeElement.querySelector('table.ev-table');
+    expect(table).not.toBeNull();
+    expect(table.textContent).toContain('118.4 kWh');
+    expect(table.textContent).toContain('Pas encore de prévision');
+    expect(fixture.nativeElement.querySelector('a[href="/sites/SITE001"]')).not.toBeNull();
+  });
+
+  it('colore la charge moyenne selon les seuils 70 % et 90 %', () => {
+    const { fixture } = setup();
     const dashboard = fixture.componentInstance;
 
-    expect(dashboard.badgeToneForSeverity('low')).toBe('success');
-    expect(dashboard.badgeToneForSeverity('medium')).toBe('warning');
-    expect(dashboard.badgeToneForSeverity('high')).toBe('danger');
-    expect(dashboard.badgeToneForSeverity('critical')).toBe('critical');
-    expect(dashboard.badgeToneForSeverity('high')).not.toBe(
-      dashboard.badgeToneForSeverity('critical'),
-    );
+    expect(dashboard.loadTone(69.9)).toBe('success');
+    expect(dashboard.loadTone(70)).toBe('warning');
+    expect(dashboard.loadTone(89.9)).toBe('warning');
+    expect(dashboard.loadTone(90)).toBe('danger');
+    expect(dashboard.loadHint(95)).toBe('Proche de la capacité du parc');
   });
 
   it('distingue le ton des statuts de prévision', () => {
-    const statsMock = { getSummary: vi.fn().mockReturnValue(of({ total_sites: 7, sites: [] })) };
-    const alertsMock = { getAlerts: vi.fn().mockReturnValue(of([])) };
-
-    TestBed.configureTestingModule({
-      imports: [Dashboard],
-      providers: [
-        { provide: StatsService, useValue: statsMock },
-        { provide: AlertsService, useValue: alertsMock },
-        { provide: PredictionsService, useValue: predictionsMock() },
-        provideRouter([]),
-      ],
-    });
-
-    const fixture = TestBed.createComponent(Dashboard);
+    const { fixture } = setup();
     const dashboard = fixture.componentInstance;
 
     expect(dashboard.badgeToneForPredictionStatus('available')).toBe('success');

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

@@ -6,11 +6,10 @@ import { Router, RouterLink } from '@angular/router';
 import { StatsService } from '../../core/services/stats.service';
 import { ConsumptionGauge } from '../../shared/components/consumption-gauge/consumption-gauge';
 import { SiteLoadChart } from '../../shared/components/site-load-chart/site-load-chart';
-import { AlertsService } from '../../core/services/alerts.service';
+import { AlertFeed } from '../../shared/components/alert-feed/alert-feed';
 import { PredictionsService } from '../../core/services/predictions.service';
 import { AuthService } from '../../core/services/auth.service';
 import { StatsSummary } from '../../shared/models/stats.model';
-import { Alert, AlertSeverity } from '../../shared/models/alert.model';
 import { PredictionStatus, SitePredictionSummary } from '../../shared/models/prediction.model';
 import { Card } from '../../shared/components/ui/card/card';
 import { Alert as EvAlert } from '../../shared/components/ui/alert/alert';
@@ -22,22 +21,19 @@ const REFRESH_INTERVAL_MS = 10000;
 const UNAVAILABLE_MESSAGE =
   'Données indisponibles, les valeurs affichées datent du dernier relevé.';
 
-const TON_PAR_SEVERITE: Record<AlertSeverity, BadgeTone> = {
-  low: 'success',
-  medium: 'warning',
-  high: 'danger',
-  critical: 'critical',
-};
-
-// `error` n'a pas de précédent dans les fixtures ou l'API à ce jour, mais figure dans le
-// domaine du schéma backend (`ck_prediction_status`) : mieux vaut une couleur définie que
-// tomber sur `undefined` si ce statut apparaît un jour.
+// `error` n'a pas encore de précédent côté API mais figure dans `ck_prediction_status` :
+// mieux vaut un ton défini que `undefined` le jour où ce statut apparaît.
 const TON_PAR_STATUT_PREDICTION: Record<PredictionStatus, BadgeTone> = {
   available: 'success',
   insufficient_data: 'warning',
   error: 'danger',
 };
 
+const SEUIL_CHARGE_SOUTENUE = 70;
+const SEUIL_CHARGE_CRITIQUE = 90;
+
+export type LoadTone = 'success' | 'warning' | 'danger';
+
 @Component({
   selector: 'app-dashboard',
   standalone: true,
@@ -47,6 +43,7 @@ const TON_PAR_STATUT_PREDICTION: Record<PredictionStatus, BadgeTone> = {
     RouterLink,
     ConsumptionGauge,
     SiteLoadChart,
+    AlertFeed,
     Card,
     EvAlert,
     Badge,
@@ -58,32 +55,20 @@ const TON_PAR_STATUT_PREDICTION: Record<PredictionStatus, BadgeTone> = {
 })
 export class Dashboard implements OnInit {
   private statsService = inject(StatsService);
-  private alertsService = inject(AlertsService);
+  public auth = inject(AuthService);
   private predictionsService = inject(PredictionsService);
-  private auth = inject(AuthService);
   private router = inject(Router);
   private destroyRef = inject(DestroyRef);
 
   stats = signal<StatsSummary | null>(null);
-  alerts = signal<Alert[]>([]);
   predictions = signal<SitePredictionSummary[]>([]);
 
-  // Un signal par flux, pas un seul `error` partagé : sinon le tick suivant de `timer` (stats)
-  // efface silencieusement un message d'échec des prévisions ou des alertes après 10s au plus,
-  // sans retry ni indication pour l'utilisateur que la section correspondante est restée vide.
+  // Piège : un signal d'erreur par flux, sinon le tick suivant de `timer` (stats) efface en
+  // silence l'échec des prévisions après 10 s au plus, sans retry ni indication à l'utilisateur.
   statsError = signal<string | null>(null);
-  alertsError = signal<string | null>(null);
   predictionsError = signal<string | null>(null);
 
   ngOnInit(): void {
-    this.alertsService
-      .getAlerts()
-      .pipe(catchError(() => this.reportUnavailable(this.alertsError)))
-      .subscribe((alerts) => {
-        this.alertsError.set(null);
-        this.alerts.set(alerts);
-      });
-
     // Les prévisions viennent d'un scoring hors ligne, pas d'un calcul à la demande : un seul
     // chargement au démarrage suffit, pas besoin du rafraîchissement périodique de `stats`.
     this.predictionsService
@@ -99,7 +84,9 @@ export class Dashboard implements OnInit {
     timer(0, REFRESH_INTERVAL_MS)
       .pipe(
         switchMap(() =>
-          this.statsService.getSummary().pipe(catchError(() => this.reportUnavailable(this.statsError))),
+          this.statsService
+            .getSummary()
+            .pipe(catchError(() => this.reportUnavailable(this.statsError))),
         ),
         takeUntilDestroyed(this.destroyRef),
       )
@@ -109,14 +96,28 @@ export class Dashboard implements OnInit {
       });
   }
 
-  badgeToneForSeverity(severity: AlertSeverity): BadgeTone {
-    return TON_PAR_SEVERITE[severity];
-  }
-
   badgeToneForPredictionStatus(status: PredictionStatus): BadgeTone {
     return TON_PAR_STATUT_PREDICTION[status];
   }
 
+  loadTone(percent: number): LoadTone {
+    if (percent >= SEUIL_CHARGE_CRITIQUE) {
+      return 'danger';
+    }
+    return percent >= SEUIL_CHARGE_SOUTENUE ? 'warning' : 'success';
+  }
+
+  loadHint(percent: number): string {
+    switch (this.loadTone(percent)) {
+      case 'danger':
+        return 'Proche de la capacité du parc';
+      case 'warning':
+        return 'Charge soutenue';
+      default:
+        return 'Marge confortable';
+    }
+  }
+
   onLogout(): void {
     this.auth.logout().subscribe({
       next: () => this.router.navigate(['/login']),

apps/frontend/src/app/features/monitoring/sensor-status/sensor-status.html

@@ -0,0 +1,51 @@
+<div class="sensor-status">
+  <nav class="ev-breadcrumb">
+    <a routerLink="/dashboard">Tableau de bord</a>
+  </nav>
+
+  <header class="sensor-status__header">
+    <a routerLink="/dashboard" class="ev-brand-link">
+      <ev-brand class="sensor-status__logo" />
+    </a>
+    <div>
+      <h1>Supervision des capteurs</h1>
+      <p class="sensor-status__subtitle">État de santé par capteur et par site</p>
+    </div>
+  </header>
+
+  @if (error(); as message) {
+    <ev-alert severity="danger" class="banner-error">{{ message }}</ev-alert>
+  }
+
+  @if (data(); as d) {
+    <div class="sites-grid">
+      @for (site of d.sites; track site.site_id) {
+        <ev-card class="site-card">
+          <div class="site-card__header">
+            <span class="site-card__name">{{ site.site_name }}</span>
+            <ev-badge [tone]="badgeToneForOverall(site.overall)">{{ site.overall }}</ev-badge>
+          </div>
+
+          <ul class="sensor-list">
+            @for (entry of sensorEntries; track entry[0]) {
+              @let diagnostic = sensorOf(site.sensors, entry[0]);
+              <li class="sensor-item">
+                <span class="sensor-dot" [class]="'sensor-dot--' + diagnostic.status"></span>
+                <span class="sensor-item__label">{{ entry[1] }}</span>
+                @if (diagnostic.status === 'failing') {
+                  <span class="sensor-item__since">
+                    @if (diagnostic.since; as since) {
+                      dernière lecture le {{ since | date: 'dd/MM/yyyy HH:mm' }}
+                    } @else {
+                      aucune lecture reçue
+                    }
+                  </span>
+                }
+              </li>
+            }
+          </ul>
+        </ev-card>
+      }
+    </div>
+  }
+</div>

apps/frontend/src/app/features/monitoring/sensor-status/sensor-status.scss

@@ -0,0 +1,90 @@
+:host {
+  display: block;
+  color: var(--color-text);
+  padding: 2.5rem 2rem;
+  max-width: 1100px;
+  margin: 0 auto;
+}
+
+.sensor-status__header {
+  display: flex;
+  align-items: center;
+  gap: 0.85rem;
+  margin-bottom: 2rem;
+
+  h1 {
+    margin: 0;
+    font-size: 1.75rem;
+    font-weight: 700;
+  }
+}
+
+.sensor-status__logo {
+  font-size: 1.3rem;
+}
+
+.sensor-status__subtitle {
+  margin: 0.25rem 0 0;
+  color: var(--color-text-muted);
+}
+
+.banner-error {
+  display: block;
+  margin: 0 0 1.5rem;
+}
+
+.sites-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
+  gap: 1rem;
+}
+
+.site-card__header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  margin-bottom: 0.75rem;
+}
+
+.site-card__name {
+  font-weight: 600;
+}
+
+.sensor-list {
+  list-style: none;
+  margin: 0;
+  padding: 0;
+  display: flex;
+  flex-direction: column;
+  gap: 0.5rem;
+}
+
+.sensor-item {
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+  font-size: 0.85rem;
+}
+
+.sensor-dot {
+  width: 8px;
+  height: 8px;
+  border-radius: 50%;
+  flex-shrink: 0;
+
+  &--ok {
+    background: var(--color-success);
+  }
+  &--failing {
+    background: var(--color-danger);
+  }
+}
+
+.sensor-item__label {
+  flex: 1;
+}
+
+.sensor-item__since {
+  color: var(--color-text-muted);
+  font-size: 0.75rem;
+}

apps/frontend/src/app/features/monitoring/sensor-status/sensor-status.spec.ts

@@ -0,0 +1,122 @@
+import { TestBed } from '@angular/core/testing';
+import { of, throwError } from 'rxjs';
+import { vi } from 'vitest';
+import { SensorStatusView } from './sensor-status';
+import { SensorsService } from '../../../core/services/sensors.service';
+import { SiteSensors } from '../../../shared/models/sensor-status.model';
+import {provideRouter} from '@angular/router';
+
+const OK_SENSORS: SiteSensors = {
+  consumption: { status: 'ok', since: null },
+  electrical: { status: 'ok', since: null },
+  temperature: { status: 'ok', since: null },
+  humidity: { status: 'ok', since: null },
+  network: { status: 'ok', since: null },
+};
+
+describe('SensorStatusView', () => {
+  let sensorsMock: { getStatus: ReturnType<typeof vi.fn> };
+
+  beforeEach(() => {
+    sensorsMock = { getStatus: vi.fn() };
+
+    TestBed.configureTestingModule({
+      imports: [SensorStatusView],
+      providers: [
+        { provide: SensorsService, useValue: sensorsMock },
+        provideRouter([]),
+      ],
+    });
+  });
+
+  it('charge et affiche les données au démarrage', () => {
+    sensorsMock.getStatus.mockReturnValue(
+      of({
+        timestamp: '2026-09-18T08:00:00',
+        sites: [
+          { site_id: 'SITE001', site_name: 'Bureau Test', overall: 'ok', sensors: OK_SENSORS },
+        ],
+      })
+    );
+
+    const fixture = TestBed.createComponent(SensorStatusView);
+    fixture.detectChanges();
+
+    expect(fixture.componentInstance.data()?.sites.length).toBe(1);
+    expect(fixture.componentInstance.error()).toBeNull();
+    expect(fixture.nativeElement.textContent).toContain('Bureau Test');
+  });
+
+  it("affiche un message d'erreur si l'appel échoue", () => {
+    sensorsMock.getStatus.mockReturnValue(throwError(() => new Error('boom')));
+
+    const fixture = TestBed.createComponent(SensorStatusView);
+    fixture.detectChanges();
+
+    expect(fixture.componentInstance.error()).toBe(
+      'État des capteurs indisponible, réessayez plus tard.'
+    );
+    expect(fixture.componentInstance.data()).toBeNull();
+    expect(fixture.nativeElement.textContent).toContain('État des capteurs indisponible');
+  });
+
+  it('associe le bon ton de badge à chaque statut global', () => {
+    sensorsMock.getStatus.mockReturnValue(of({ timestamp: '2026-09-18T08:00:00', sites: [] }));
+    const fixture = TestBed.createComponent(SensorStatusView);
+    const component = fixture.componentInstance;
+
+    expect(component.badgeToneForOverall('ok')).toBe('success');
+    expect(component.badgeToneForOverall('degraded')).toBe('warning');
+    expect(component.badgeToneForOverall('critical')).toBe('critical');
+    expect(component.badgeToneForOverall('inconnu')).toBe('neutral');
+  });
+
+  it('retourne le bon diagnostic via sensorOf', () => {
+    sensorsMock.getStatus.mockReturnValue(of({ timestamp: '2026-09-18T08:00:00', sites: [] }));
+    const fixture = TestBed.createComponent(SensorStatusView);
+    const component = fixture.componentInstance;
+
+    expect(component.sensorOf(OK_SENSORS, 'temperature')).toEqual({ status: 'ok', since: null });
+  });
+
+  it('affiche la date de la dernière lecture reçue pour un capteur en panne', () => {
+    const sensors: SiteSensors = {
+      ...OK_SENSORS,
+      temperature: { status: 'failing', since: '2026-09-18T08:00:00' },
+    };
+    sensorsMock.getStatus.mockReturnValue(
+      of({
+        timestamp: '2026-09-18T08:00:00',
+        sites: [{ site_id: 'SITE001', site_name: 'Bureau Test', overall: 'degraded', sensors }],
+      })
+    );
+
+    const fixture = TestBed.createComponent(SensorStatusView);
+    fixture.detectChanges();
+
+    expect(fixture.nativeElement.textContent).toContain('dernière lecture le');
+    expect(fixture.nativeElement.textContent).toContain('18/09/2026 08:00');
+  });
+
+  it("annonce l'absence de lecture quand un site n'en a jamais reçu", () => {
+    const sensors: SiteSensors = {
+      consumption: { status: 'failing', since: null },
+      electrical: { status: 'failing', since: null },
+      temperature: { status: 'failing', since: null },
+      humidity: { status: 'failing', since: null },
+      network: { status: 'failing', since: null },
+    };
+    sensorsMock.getStatus.mockReturnValue(
+      of({
+        timestamp: '2026-09-18T08:00:00',
+        sites: [{ site_id: 'SITE001', site_name: 'Bureau Test', overall: 'critical', sensors }],
+      })
+    );
+
+    const fixture = TestBed.createComponent(SensorStatusView);
+    fixture.detectChanges();
+
+    expect(fixture.nativeElement.textContent).toContain('aucune lecture reçue');
+    expect(fixture.nativeElement.textContent).not.toContain('dernière lecture le');
+  });
+});

apps/frontend/src/app/features/monitoring/sensor-status/sensor-status.ts

@@ -0,0 +1,65 @@
+import { Component, OnInit, inject, signal } from '@angular/core';
+import { RouterLink } from '@angular/router';
+import { catchError, EMPTY, Observable } from 'rxjs';
+import {Badge, BadgeTone} from '../../../shared/components/ui/badge/badge';
+import {Card} from '../../../shared/components/ui/card/card';
+import {Alert} from '../../../shared/components/ui/alert/alert';
+import {Brand} from '../../../shared/components/ui/brand/brand';
+import {SensorsService} from '../../../core/services/sensors.service';
+import {SensorDiagnostic, SensorStatusResponse} from '../../../shared/models/sensor-status.model';
+import { DatePipe } from '@angular/common';
+
+const UNAVAILABLE_MESSAGE = 'État des capteurs indisponible, réessayez plus tard.';
+
+const SENSOR_LABELS: Record<string, string> = {
+  consumption: 'Consommation',
+  electrical: 'Électrique',
+  temperature: 'Température',
+  humidity: 'Humidité',
+  network: 'Réseau',
+};
+
+const TON_PAR_OVERALL: Record<string, BadgeTone> = {
+  ok: 'success',
+  degraded: 'warning',
+  critical: 'critical',
+};
+
+@Component({
+  selector: 'app-sensor-status',
+  standalone: true,
+  imports: [RouterLink, Card, Alert, Badge, Brand, DatePipe],
+  templateUrl: './sensor-status.html',
+  styleUrl: './sensor-status.scss',
+})
+export class SensorStatusView implements OnInit {
+  private sensorsService = inject(SensorsService);
+
+  data = signal<SensorStatusResponse | null>(null);
+  error = signal<string | null>(null);
+
+  readonly sensorEntries = Object.entries(SENSOR_LABELS);
+
+  ngOnInit(): void {
+    this.sensorsService
+      .getStatus()
+      .pipe(catchError(() => this.reportUnavailable()))
+      .subscribe((response) => {
+        this.error.set(null);
+        this.data.set(response);
+      });
+  }
+
+  sensorOf(sensors: Record<string, SensorDiagnostic>, key: string): SensorDiagnostic {
+    return sensors[key];
+  }
+
+  badgeToneForOverall(overall: string): BadgeTone {
+    return TON_PAR_OVERALL[overall] ?? 'neutral';
+  }
+
+  private reportUnavailable(): Observable<never> {
+    this.error.set(UNAVAILABLE_MESSAGE);
+    return EMPTY;
+  }
+}

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/features/sites/site-list/site-list.html

@@ -17,8 +17,8 @@
     <ev-alert severity="danger" class="banner-error">{{ message }}</ev-alert>
   }
 
-  <ev-card class="table-card">
-    <table class="sites-table">
+  <ev-card class="ev-table-card">
+    <table class="ev-table">
       <thead>
         <tr>
           <th>Nom</th>
@@ -36,7 +36,9 @@
             <td>{{ site.site_type }}</td>
             <td>{{ site.location || '-' }}</td>
             <td>{{ site.capacity_kw ?? '-' }}</td>
-            <td><ev-badge [tone]="badgeToneForStatus(site.status)">{{ site.status ?? '-' }}</ev-badge></td>
+            <td>
+              <ev-badge [tone]="badgeToneForStatus(site.status)">{{ site.status ?? '-' }}</ev-badge>
+            </td>
             <td><a [routerLink]="['/sites', site.site_id]" class="ev-link">Détail</a></td>
           </tr>
         }

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

@@ -32,32 +32,3 @@
   display: block;
   margin: 0 0 1.5rem;
 }
-
-.table-card {
-  padding: 0;
-  overflow: hidden;
-}
-
-.sites-table {
-  width: 100%;
-  border-collapse: collapse;
-
-  th,
-  td {
-    padding: 0.85rem 1.25rem;
-    text-align: left;
-    border-bottom: 1px solid var(--color-border-light);
-  }
-
-  th {
-    font-size: 0.8rem;
-    color: var(--color-text-muted);
-    text-transform: uppercase;
-    letter-spacing: 0.02em;
-    font-weight: 600;
-  }
-
-  tr:last-child td {
-    border-bottom: none;
-  }
-}

apps/frontend/src/app/shared/components/alert-feed/alert-feed.html

@@ -0,0 +1,95 @@
+<section class="alert-feed">
+  <header class="alert-feed__header">
+    <div>
+      <h2 class="alert-feed__title">Alertes actives</h2>
+      @if (!loading() || alerts().length > 0) {
+        <p class="alert-feed__count">
+          {{ alerts().length }} {{ alerts().length > 1 ? 'alertes' : 'alerte' }}
+        </p>
+      }
+    </div>
+    <div class="alert-feed__filters">
+      @if (!siteId()) {
+        <label class="alert-feed__filter">
+          <span class="form-label">Site</span>
+          <select class="form-select" data-testid="site-filter" (change)="onSiteChange($event)">
+            <option value="">Tous les sites</option>
+            @for (site of sites(); track site.site_id) {
+              <option [value]="site.site_id">{{ site.site_name }}</option>
+            }
+          </select>
+        </label>
+      }
+      <label class="alert-feed__filter">
+        <span class="form-label">Sévérité</span>
+        <select
+          class="form-select"
+          data-testid="severity-filter"
+          (change)="onSeverityChange($event)"
+        >
+          <option value="">Toutes</option>
+          @for (severite of severites; track severite) {
+            <option [value]="severite">{{ severityLabel(severite) }}</option>
+          }
+        </select>
+      </label>
+    </div>
+  </header>
+
+  @if (error(); as message) {
+    <ev-alert severity="danger" class="alert-feed__banner">{{ message }}</ev-alert>
+  }
+
+  @if (loading() && alerts().length === 0 && !error()) {
+    <p class="alert-feed__state" aria-live="polite">Chargement des alertes…</p>
+  } @else if (alerts().length === 0 && !error()) {
+    <ev-alert severity="success" class="alert-feed__banner"
+      >Aucune alerte pour ces critères.</ev-alert
+    >
+  }
+
+  <ul class="alert-feed__list" [attr.aria-busy]="loading()">
+    @for (alert of visibleAlerts(); track alert.alert_id) {
+      <li class="alert-feed__item" [class]="'alert-feed__item--' + alert.severity">
+        <span class="alert-feed__icon">
+          <ev-icon [name]="alert.type" [label]="typeLabel(alert.type)" />
+        </span>
+        <div class="alert-feed__body">
+          <div class="alert-feed__meta">
+            <ev-badge [tone]="toneFor(alert.severity)">{{
+              severityLabel(alert.severity)
+            }}</ev-badge>
+            <span class="alert-feed__type">{{ typeLabel(alert.type) }}</span>
+            <span class="alert-feed__site">{{ siteName(alert.site_id) }}</span>
+            <time class="alert-feed__time" [attr.datetime]="alert.timestamp">
+              {{ alert.timestamp | date: 'dd/MM/yyyy HH:mm' }}
+            </time>
+          </div>
+          <p class="alert-feed__message">{{ alert.message }}</p>
+          @if (alert.value !== null) {
+            <p class="alert-feed__values">
+              <strong>{{ alert.value | number: '1.0-1' }} {{ unitFor(alert.metric) }}</strong>
+              @if (alert.threshold !== null) {
+                <span
+                  >seuil {{ alert.threshold | number: '1.0-1' }} {{ unitFor(alert.metric) }}</span
+                >
+              }
+            </p>
+          }
+        </div>
+      </li>
+    }
+  </ul>
+
+  @if (hiddenCount() > 0) {
+    <ev-button
+      variant="secondary"
+      [fullWidth]="false"
+      class="alert-feed__more"
+      data-testid="show-more"
+      (click)="showMore()"
+    >
+      Afficher plus ({{ hiddenCount() }} restantes)
+    </ev-button>
+  }
+</section>

apps/frontend/src/app/shared/components/alert-feed/alert-feed.scss

@@ -0,0 +1,154 @@
+:host {
+  display: block;
+}
+
+.alert-feed__header {
+  display: flex;
+  flex-wrap: wrap;
+  align-items: flex-end;
+  justify-content: space-between;
+  gap: var(--space-3);
+  margin-bottom: var(--space-3);
+}
+
+.alert-feed__title {
+  margin: 0;
+  font-size: var(--font-size-lg);
+  font-weight: 600;
+}
+
+.alert-feed__count {
+  margin: 0.15rem 0 0;
+  font-size: var(--font-size-sm);
+  color: var(--color-text-muted);
+}
+
+.alert-feed__filters {
+  display: flex;
+  flex-wrap: wrap;
+  gap: var(--space-2);
+}
+
+.alert-feed__filter {
+  display: flex;
+  flex-direction: column;
+  min-width: 10rem;
+
+  .form-label {
+    margin-top: 0;
+  }
+}
+
+.alert-feed__banner {
+  display: block;
+  margin-bottom: var(--space-3);
+}
+
+.alert-feed__state {
+  margin: 0 0 var(--space-3);
+  font-size: var(--font-size-sm);
+  color: var(--color-text-muted);
+}
+
+.alert-feed__list {
+  list-style: none;
+  margin: 0;
+  padding: 0;
+  display: flex;
+  flex-direction: column;
+  gap: var(--space-2);
+}
+
+.alert-feed__item {
+  display: flex;
+  gap: var(--space-3);
+  padding: var(--space-2) var(--space-3);
+  border-radius: var(--radius-md);
+  background: var(--color-surface);
+  border: 1px solid var(--color-border-light);
+  border-left: 4px solid var(--color-border);
+}
+
+.alert-feed__item--medium {
+  border-left-color: var(--color-warning);
+  background: var(--color-warning-bg);
+
+  .alert-feed__icon {
+    color: var(--color-warning-text);
+  }
+}
+
+.alert-feed__item--high {
+  border-left-color: var(--color-danger);
+  background: var(--color-danger-bg);
+
+  .alert-feed__icon {
+    color: var(--color-danger);
+  }
+}
+
+.alert-feed__item--critical {
+  border-left-color: var(--color-critical);
+  background: var(--color-danger-bg);
+
+  .alert-feed__icon {
+    color: var(--color-critical);
+  }
+}
+
+.alert-feed__icon {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  flex-shrink: 0;
+  width: 2.25rem;
+  height: 2.25rem;
+  border-radius: 50%;
+  background: var(--color-surface);
+  color: var(--color-text-muted);
+  font-size: var(--font-size-lg);
+  box-shadow: var(--shadow-card);
+}
+
+.alert-feed__body {
+  display: flex;
+  flex-direction: column;
+  gap: 0.25rem;
+  min-width: 0;
+}
+
+.alert-feed__meta {
+  display: flex;
+  flex-wrap: wrap;
+  align-items: center;
+  gap: var(--space-2);
+  font-size: var(--font-size-xs);
+  color: var(--color-text-muted);
+}
+
+.alert-feed__type {
+  font-weight: 600;
+  color: var(--color-text);
+}
+
+.alert-feed__message {
+  margin: 0;
+  font-size: var(--font-size-sm);
+}
+
+.alert-feed__values {
+  display: flex;
+  gap: var(--space-2);
+  margin: 0;
+  font-size: var(--font-size-xs);
+  color: var(--color-text-muted);
+
+  strong {
+    color: var(--color-text);
+  }
+}
+
+.alert-feed__more {
+  display: inline-block;
+  margin-top: var(--space-3);
+}

apps/frontend/src/app/shared/components/alert-feed/alert-feed.spec.ts

@@ -0,0 +1,218 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+import { vi } from 'vitest';
+import { of, throwError } from 'rxjs';
+import { AlertFeed } from './alert-feed';
+import { AlertsService } from '../../../core/services/alerts.service';
+import { SitesService } from '../../../core/services/sites.service';
+import { Alert } from '../../models/alert.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',
+  },
+];
+
+function alerte(surcharges: Partial<Alert> = {}): Alert {
+  return {
+    alert_id: 1,
+    site_id: 'SITE001',
+    timestamp: '2026-09-15T11:12:00Z',
+    type: 'spike',
+    severity: 'critical',
+    message: 'Variation brutale entre deux lectures consécutives',
+    value: 812.5,
+    threshold: 400,
+    metric: 'consumption_kw',
+    prediction_id: null,
+    ...surcharges,
+  };
+}
+
+function setup(
+  alertsMock: { getAlerts: ReturnType<typeof vi.fn> },
+  sitesMock: { getSites: ReturnType<typeof vi.fn> } = {
+    getSites: vi.fn().mockReturnValue(of(SITES)),
+  },
+) {
+  TestBed.configureTestingModule({
+    imports: [AlertFeed],
+    providers: [
+      { provide: AlertsService, useValue: alertsMock },
+      { provide: SitesService, useValue: sitesMock },
+    ],
+  });
+  return TestBed.createComponent(AlertFeed);
+}
+
+function premierChargement(fixture: ComponentFixture<AlertFeed>) {
+  fixture.detectChanges();
+  vi.advanceTimersByTime(1);
+  fixture.detectChanges();
+}
+
+function texte(fixture: ComponentFixture<AlertFeed>): string {
+  return (fixture.nativeElement as HTMLElement).textContent ?? '';
+}
+
+function choisir(fixture: ComponentFixture<AlertFeed>, testId: string, value: string) {
+  const select = fixture.nativeElement.querySelector(
+    `[data-testid="${testId}"]`,
+  ) as HTMLSelectElement;
+  select.value = value;
+  select.dispatchEvent(new Event('change'));
+  fixture.detectChanges();
+  vi.advanceTimersByTime(1);
+  fixture.detectChanges();
+}
+
+describe('AlertFeed', () => {
+  beforeEach(() => vi.useFakeTimers());
+  afterEach(() => vi.useRealTimers());
+
+  it('charge les alertes au démarrage sans filtre et les affiche avec leur contexte', () => {
+    const getAlerts = vi.fn().mockReturnValue(of([alerte()]));
+    const fixture = setup({ getAlerts });
+
+    premierChargement(fixture);
+
+    expect(getAlerts).toHaveBeenCalledTimes(1);
+    expect(getAlerts.mock.calls[0][0]).toEqual({});
+    const contenu = texte(fixture);
+    expect(contenu).toContain('Usine Nantes');
+    expect(contenu).toContain('Critique');
+    expect(contenu).toContain('Pic de consommation');
+    expect(contenu).toContain('15/09/2026');
+    expect(contenu).toContain('812.5 kW');
+    expect(contenu).toContain('seuil 400 kW');
+    expect(fixture.nativeElement.querySelector('ev-icon svg')).not.toBeNull();
+    expect(fixture.nativeElement.querySelector('.alert-feed__item--critical')).not.toBeNull();
+  });
+
+  it('annonce le chargement avant la première réponse', () => {
+    const fixture = setup({ getAlerts: vi.fn().mockReturnValue(of([])) });
+
+    fixture.detectChanges();
+
+    expect(fixture.componentInstance.loading()).toBe(true);
+    expect(texte(fixture)).toContain('Chargement des alertes');
+  });
+
+  it("annonce l'absence d'alerte pour les critères choisis", () => {
+    const fixture = setup({ getAlerts: vi.fn().mockReturnValue(of([])) });
+
+    premierChargement(fixture);
+
+    expect(texte(fixture)).toContain('Aucune alerte pour ces critères.');
+    expect(fixture.nativeElement.querySelectorAll('li').length).toBe(0);
+  });
+
+  it('relance la requête avec la sévérité choisie et revient à la première page', () => {
+    const getAlerts = vi.fn().mockReturnValue(of([alerte()]));
+    const fixture = setup({ getAlerts });
+    premierChargement(fixture);
+    fixture.componentInstance.showMore();
+
+    choisir(fixture, 'severity-filter', 'high');
+
+    expect(getAlerts).toHaveBeenCalledTimes(2);
+    expect(getAlerts.mock.calls[1][0]).toEqual({ severity: 'high' });
+    expect(fixture.componentInstance.visibleCount()).toBe(10);
+  });
+
+  it('relance la requête avec le site choisi dans le filtre', () => {
+    const getAlerts = vi.fn().mockReturnValue(of([]));
+    const fixture = setup({ getAlerts });
+    premierChargement(fixture);
+
+    choisir(fixture, 'site-filter', 'SITE001');
+
+    expect(getAlerts.mock.calls[1][0]).toEqual({ site_id: 'SITE001' });
+  });
+
+  it('masque le filtre site et force site_id quand le parent fixe le site', () => {
+    const getAlerts = vi.fn().mockReturnValue(of([]));
+    const fixture = setup({ getAlerts });
+    fixture.componentRef.setInput('siteId', 'SITE001');
+
+    premierChargement(fixture);
+
+    expect(getAlerts.mock.calls[0][0]).toEqual({ site_id: 'SITE001' });
+    expect(fixture.nativeElement.querySelector('[data-testid="site-filter"]')).toBeNull();
+    expect(fixture.nativeElement.querySelector('[data-testid="severity-filter"]')).not.toBeNull();
+  });
+
+  it("signale l'indisponibilité en gardant la liste, puis repart au rafraîchissement suivant", () => {
+    const getAlerts = vi
+      .fn()
+      .mockReturnValueOnce(of([alerte()]))
+      .mockReturnValueOnce(throwError(() => new Error('API injoignable')))
+      .mockReturnValue(of([alerte(), alerte({ alert_id: 2 })]));
+    const fixture = setup({ getAlerts });
+    premierChargement(fixture);
+
+    vi.advanceTimersByTime(60_000);
+    fixture.detectChanges();
+
+    expect(getAlerts).toHaveBeenCalledTimes(2);
+    expect(fixture.componentInstance.error()).not.toBeNull();
+    expect(fixture.componentInstance.alerts().length).toBe(1);
+    expect(texte(fixture)).toContain('Alertes indisponibles');
+
+    vi.advanceTimersByTime(60_000);
+    fixture.detectChanges();
+
+    expect(getAlerts).toHaveBeenCalledTimes(3);
+    expect(fixture.componentInstance.error()).toBeNull();
+    expect(fixture.componentInstance.alerts().length).toBe(2);
+  });
+
+  it('pagine côté client par dix et dévoile le reste à la demande', () => {
+    const alertes = Array.from({ length: 25 }, (_, i) => alerte({ alert_id: i + 1 }));
+    const fixture = setup({ getAlerts: vi.fn().mockReturnValue(of(alertes)) });
+    premierChargement(fixture);
+
+    expect(fixture.nativeElement.querySelectorAll('li').length).toBe(10);
+    expect(texte(fixture)).toContain('Afficher plus (15 restantes)');
+
+    fixture.nativeElement.querySelector('[data-testid="show-more"]').click();
+    fixture.detectChanges();
+    expect(fixture.nativeElement.querySelectorAll('li').length).toBe(20);
+
+    fixture.nativeElement.querySelector('[data-testid="show-more"]').click();
+    fixture.detectChanges();
+    expect(fixture.nativeElement.querySelectorAll('li').length).toBe(25);
+    expect(fixture.nativeElement.querySelector('[data-testid="show-more"]')).toBeNull();
+  });
+
+  it("replie sur l'identifiant quand le site est inconnu ou que la liste des sites échoue", () => {
+    const fixture = setup(
+      { getAlerts: vi.fn().mockReturnValue(of([alerte({ site_id: 'SITE999' })])) },
+      { getSites: vi.fn().mockReturnValue(throwError(() => new Error('nope'))) },
+    );
+
+    premierChargement(fixture);
+
+    expect(texte(fixture)).toContain('SITE999');
+  });
+
+  it("n'affiche pas de mesure pour une alerte sans valeur", () => {
+    const fixture = setup({
+      getAlerts: vi
+        .fn()
+        .mockReturnValue(
+          of([alerte({ type: 'outage', value: null, threshold: null, metric: null })]),
+        ),
+    });
+
+    premierChargement(fixture);
+
+    expect(fixture.nativeElement.querySelector('.alert-feed__values')).toBeNull();
+    expect(texte(fixture)).toContain('Coupure');
+  });
+});

apps/frontend/src/app/shared/components/alert-feed/alert-feed.ts

@@ -0,0 +1,130 @@
+import { Component, DestroyRef, computed, inject, input, signal } from '@angular/core';
+import { takeUntilDestroyed, toObservable, toSignal } from '@angular/core/rxjs-interop';
+import { DatePipe, DecimalPipe } from '@angular/common';
+import { catchError, EMPTY, Observable, of, switchMap, tap, timer } from 'rxjs';
+import { AlertFilters, AlertsService } from '../../../core/services/alerts.service';
+import { SitesService } from '../../../core/services/sites.service';
+import { Alert, AlertMetric, AlertSeverity, AlertType } from '../../models/alert.model';
+import { Site } from '../../models/site.model';
+import {
+  LIBELLE_PAR_SEVERITE,
+  LIBELLE_PAR_TYPE,
+  SEVERITES,
+  TON_PAR_SEVERITE,
+  UNITE_PAR_METRIQUE,
+} from '../../models/alert-presentation';
+import { Badge, BadgeTone } from '../ui/badge/badge';
+import { Button } from '../ui/button/button';
+import { Alert as EvAlert } from '../ui/alert/alert';
+import { Icon } from '../ui/icon/icon';
+
+// Le DAG de détection tourne toutes les heures : une minute suffit largement pour suivre le flux.
+const REFRESH_INTERVAL_MS = 60_000;
+const PAGE_SIZE = 10;
+const UNAVAILABLE_MESSAGE = 'Alertes indisponibles, la liste affichée date du dernier chargement.';
+
+@Component({
+  selector: 'app-alert-feed',
+  standalone: true,
+  imports: [DatePipe, DecimalPipe, Badge, Button, EvAlert, Icon],
+  templateUrl: './alert-feed.html',
+  styleUrl: './alert-feed.scss',
+})
+export class AlertFeed {
+  private alertsService = inject(AlertsService);
+  private sitesService = inject(SitesService);
+  private destroyRef = inject(DestroyRef);
+
+  siteId = input<string | null>(null);
+
+  readonly severites = SEVERITES;
+  severity = signal<AlertSeverity | null>(null);
+  siteFilter = signal<string | null>(null);
+
+  alerts = signal<Alert[]>([]);
+  loading = signal(true);
+  error = signal<string | null>(null);
+  visibleCount = signal(PAGE_SIZE);
+
+  sites = toSignal(this.sitesService.getSites().pipe(catchError(() => of([] as Site[]))), {
+    initialValue: [] as Site[],
+  });
+
+  private filters = computed<AlertFilters>(() => ({
+    site_id: this.siteId() ?? this.siteFilter() ?? undefined,
+    severity: this.severity() ?? undefined,
+  }));
+
+  private siteNameById = computed(
+    () => new Map(this.sites().map((site) => [site.site_id, site.site_name])),
+  );
+
+  visibleAlerts = computed(() => this.alerts().slice(0, this.visibleCount()));
+  hiddenCount = computed(() => Math.max(this.alerts().length - this.visibleCount(), 0));
+
+  constructor() {
+    toObservable(this.filters)
+      .pipe(
+        tap(() => {
+          this.loading.set(true);
+          this.visibleCount.set(PAGE_SIZE);
+        }),
+        // Piège : catchError sur l'observable interne ; sur le flux externe il terminerait le
+        // timer et le rafraîchissement ne repartirait jamais.
+        switchMap((filters) =>
+          timer(0, REFRESH_INTERVAL_MS).pipe(
+            switchMap(() =>
+              this.alertsService
+                .getAlerts(filters)
+                .pipe(catchError(() => this.reportUnavailable())),
+            ),
+          ),
+        ),
+        takeUntilDestroyed(this.destroyRef),
+      )
+      .subscribe((alerts) => {
+        this.loading.set(false);
+        this.error.set(null);
+        this.alerts.set(alerts);
+      });
+  }
+
+  onSiteChange(event: Event): void {
+    this.siteFilter.set((event.target as HTMLSelectElement).value || null);
+  }
+
+  onSeverityChange(event: Event): void {
+    const value = (event.target as HTMLSelectElement).value;
+    this.severity.set(value ? (value as AlertSeverity) : null);
+  }
+
+  showMore(): void {
+    this.visibleCount.update((count) => count + PAGE_SIZE);
+  }
+
+  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];
+  }
+
+  siteName(siteId: string): string {
+    return this.siteNameById().get(siteId) ?? siteId;
+  }
+
+  unitFor(metric: AlertMetric | null): string {
+    return metric ? UNITE_PAR_METRIQUE[metric] : '';
+  }
+
+  private reportUnavailable(): Observable<never> {
+    this.loading.set(false);
+    this.error.set(UNAVAILABLE_MESSAGE);
+    return EMPTY;
+  }
+}

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/components/ui/icon/icon.html

@@ -0,0 +1,37 @@
+<svg
+  viewBox="0 0 24 24"
+  fill="none"
+  stroke="currentColor"
+  stroke-width="2"
+  stroke-linecap="round"
+  stroke-linejoin="round"
+  focusable="false"
+  [attr.role]="label() ? 'img' : null"
+  [attr.aria-label]="label()"
+  [attr.aria-hidden]="label() ? null : 'true'"
+>
+  @switch (name()) {
+    @case ('spike') {
+      <polyline points="3 17 8 12 11 15 21 5" />
+      <polyline points="15 5 21 5 21 11" />
+    }
+    @case ('threshold') {
+      <line x1="3" y1="10" x2="21" y2="10" stroke-dasharray="3 3" />
+      <polyline points="4 19 9 13 13 15 20 6" />
+    }
+    @case ('anomaly') {
+      <polyline points="3 12 7 12 9.5 6 12.5 18 15 12 21 12" />
+    }
+    @case ('outage') {
+      <path d="M7.5 6.5a7 7 0 1 0 9 0" />
+      <line x1="12" y1="3" x2="12" y2="11" />
+    }
+    @case ('sensor') {
+      <circle cx="12" cy="13" r="2" />
+      <path d="M8.5 9.5a5 5 0 0 0 0 7" />
+      <path d="M15.5 9.5a5 5 0 0 1 0 7" />
+      <path d="M5.5 6.5a9 9 0 0 0 0 13" />
+      <path d="M18.5 6.5a9 9 0 0 1 0 13" />
+    }
+  }
+</svg>

apps/frontend/src/app/shared/components/ui/icon/icon.scss

@@ -0,0 +1,12 @@
+:host {
+  display: inline-flex;
+  flex-shrink: 0;
+  width: 1em;
+  height: 1em;
+  vertical-align: -0.125em;
+}
+
+svg {
+  width: 100%;
+  height: 100%;
+}

apps/frontend/src/app/shared/components/ui/icon/icon.spec.ts

@@ -0,0 +1,49 @@
+import { TestBed } from '@angular/core/testing';
+import { Icon, IconName } from './icon';
+
+const NOMS: IconName[] = ['spike', 'threshold', 'anomaly', 'outage', 'sensor'];
+
+function rendre(name: IconName, label: string | null = null) {
+  const fixture = TestBed.createComponent(Icon);
+  fixture.componentRef.setInput('name', name);
+  fixture.componentRef.setInput('label', label);
+  fixture.detectChanges();
+  return fixture.nativeElement as HTMLElement;
+}
+
+describe('Icon', () => {
+  beforeEach(() => {
+    TestBed.configureTestingModule({ imports: [Icon] });
+  });
+
+  it('dessine un tracé distinct pour chacun des cinq types', () => {
+    const traces = NOMS.map((name) => rendre(name).querySelector('svg')?.innerHTML.trim());
+
+    for (const trace of traces) {
+      expect(trace).toBeTruthy();
+    }
+    expect(new Set(traces).size).toBe(NOMS.length);
+  });
+
+  it('reste décoratif sans libellé', () => {
+    const svg = rendre('spike').querySelector('svg');
+
+    expect(svg?.getAttribute('aria-hidden')).toBe('true');
+    expect(svg?.hasAttribute('role')).toBe(false);
+  });
+
+  it('expose un rôle image et un libellé accessible quand on lui en donne un', () => {
+    const svg = rendre('outage', 'Coupure').querySelector('svg');
+
+    expect(svg?.getAttribute('role')).toBe('img');
+    expect(svg?.getAttribute('aria-label')).toBe('Coupure');
+    expect(svg?.hasAttribute('aria-hidden')).toBe(false);
+  });
+
+  it('hérite de la couleur du parent via currentColor', () => {
+    const svg = rendre('sensor').querySelector('svg');
+
+    expect(svg?.getAttribute('stroke')).toBe('currentColor');
+    expect(svg?.getAttribute('fill')).toBe('none');
+  });
+});

apps/frontend/src/app/shared/components/ui/icon/icon.ts

@@ -0,0 +1,14 @@
+import { Component, input } from '@angular/core';
+
+export type IconName = 'spike' | 'threshold' | 'anomaly' | 'outage' | 'sensor';
+
+@Component({
+  selector: 'ev-icon',
+  standalone: true,
+  templateUrl: './icon.html',
+  styleUrl: './icon.scss',
+})
+export class Icon {
+  name = input.required<IconName>();
+  label = input<string | null>(null);
+}

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;
-  timestamp: string;
+  alert_id: number;
   site_id: string;
-  severity: AlertSeverity;
+  timestamp: string;
   type: AlertType;
+  severity: AlertSeverity;
   message: string;
-  value: number;
-  threshold: number;
+  value: number | null;
+  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/app/shared/models/sensor-status.model.ts

@@ -0,0 +1,28 @@
+export type SensorStatus = 'ok' | 'failing';
+export type OverallStatus = 'ok' | 'degraded' | 'critical';
+
+export interface SensorDiagnostic {
+  status: SensorStatus;
+  since: string | null;
+}
+
+export interface SiteSensors {
+  consumption: SensorDiagnostic;
+  electrical: SensorDiagnostic;
+  temperature: SensorDiagnostic;
+  humidity: SensorDiagnostic;
+  network: SensorDiagnostic;
+  [key: string]: SensorDiagnostic;
+}
+
+export interface SiteSensorStatus {
+  site_id: string;
+  site_name: string;
+  sensors: SiteSensors;
+  overall: OverallStatus;
+}
+
+export interface SensorStatusResponse {
+  timestamp: string;
+  sites: SiteSensorStatus[];
+}

apps/frontend/src/styles.scss

@@ -2,6 +2,7 @@
 @use 'styles/forms';
 @use 'styles/auth-page';
 @use 'styles/links';
+@use 'styles/tables';
 
 body {
   margin: 0;

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/src/styles/_tables.scss

@@ -0,0 +1,43 @@
+// Piège : `ev-card` pose son padding sur `:host`, compilé en `[_nghost-…]` (même spécificité
+// qu'une classe) et injecté après la feuille globale ; il faut le sélecteur d'élément pour gagner.
+ev-card.ev-table-card {
+  padding: 0;
+  overflow: hidden;
+}
+
+.ev-table {
+  width: 100%;
+  border-collapse: collapse;
+
+  th,
+  td {
+    padding: 0.85rem 1.25rem;
+    text-align: left;
+    border-bottom: 1px solid var(--color-border-light);
+  }
+
+  th {
+    font-size: var(--font-size-xs);
+    font-weight: 600;
+    color: var(--color-text-muted);
+    text-transform: uppercase;
+    letter-spacing: 0.04em;
+  }
+
+  tbody tr:last-child td {
+    border-bottom: none;
+  }
+
+  tbody tr:hover td {
+    background: var(--color-bg);
+  }
+}
+
+.ev-table__number {
+  font-weight: 600;
+  font-variant-numeric: tabular-nums;
+}
+
+.ev-table__muted {
+  color: var(--color-text-muted);
+}

apps/frontend/src/styles/_tokens.scss

@@ -29,10 +29,17 @@
 
   // Typo, rayons, ombre
   --font-family: 'Segoe UI', system-ui, sans-serif;
+  --font-size-xs: 0.75rem;
+  --font-size-sm: 0.85rem;
+  --font-size-md: 1rem;
+  --font-size-lg: 1.25rem;
+  --font-size-xl: 1.75rem;
+  --font-size-2xl: 2.25rem;
   --radius-sm: 8px;
   --radius-md: 12px;
   --radius-pill: 999px;
   --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
+  --shadow-card-hover: 0 6px 16px rgba(0, 0, 0, 0.08);
 
   // Espacements
   --space-1: 0.35rem;

apps/frontend/tsconfig.json

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

db/init/120-airflow-database.sql

@@ -0,0 +1,5 @@
+-- Base de metadonnees Airflow (api-server + scheduler + dag-processor, LocalExecutor). Separee de la base
+-- applicative : les tables internes d'Airflow (dag_run, task_instance, ...) n'ont rien a faire
+-- dans le schema metier. Meme conteneur Postgres que `enervision`/`enervision_test` plutot qu'un
+-- service dedie, pour ne pas ajouter un conteneur de plus (issue #115).
+CREATE DATABASE airflow;

docker-compose.prod.yml

@@ -0,0 +1,79 @@
+# Piège : `APP_ENV` et `APP_DEBUG` sont en dur et non en `${APP_ENV:-prod}` : le `.env` du poste
+# vaut `local` et reprendrait le dessus, ce qui laisserait le cookie sans `__Secure-` et
+# rouvrirait `/docs`. Hors `local`, l'API exige en retour une origine CORS non vide.
+# Piège : les listes de ports se cumulent à la fusion des deux fichiers. `!reset` est le seul
+# moyen de dépublier 8000 et 3000 : sans lui, l'API resterait joignable en clair à côté du proxy.
+# Piège : pas de `:?` sur `PUBLIC_HOST`. Compose interpole tout le fichier, y compris pour
+# `stop` et `logs` : la garde vit dans `make stack-up`, qui la compare au certificat servi.
+# Pourquoi : ports du proxy et origine publique en variables, pour que deux environnements
+# cohabitent sur la même machine, chacun dans son projet Compose (ADR 0009).
+
+name: enervision
+
+services:
+  db:
+    ports: !override
+      - "127.0.0.1:${POSTGRES_PORT:-5433}:5432"
+    environment:
+      TS_TUNE_MEMORY: ${TS_TUNE_MEMORY:-2GB}
+      TS_TUNE_NUM_CPUS: ${TS_TUNE_NUM_CPUS:-2}
+
+  mailpit:
+    ports: !override
+      - "127.0.0.1:${MAILPIT_UI_PORT:-8025}:8025"
+
+  airflow-apiserver:
+    ports: !override
+      - "127.0.0.1:${AIRFLOW_PORT:-8080}:8080"
+
+  backend:
+    ports: !reset null
+    command:
+      - uvicorn
+      - app.main:create_app
+      - --factory
+      - --host
+      - 0.0.0.0
+      - --port
+      - "8000"
+      - --proxy-headers
+      - --forwarded-allow-ips=*
+    environment:
+      APP_ENV: prod
+      APP_DEBUG: "false"
+      APP_TRUST_PROXY_HEADERS: "true"
+      APP_CORS_ORIGINS: ${PUBLIC_ORIGIN:-https://${PUBLIC_HOST:-enervision.local}}
+      APP_FRONTEND_RESET_PASSWORD_URL: ${PUBLIC_ORIGIN:-https://${PUBLIC_HOST:-enervision.local}}/reset-password
+
+  frontend:
+    ports: !reset null
+
+  proxy:
+    image: nginx:1.31-alpine
+    depends_on:
+      backend:
+        condition: service_healthy
+      frontend:
+        condition: service_started
+    ports:
+      - "${PROXY_HTTP_PORT:-80}:80"
+      - "${PROXY_HTTPS_PORT:-443}:443"
+    volumes:
+      - ./infra/proxy/nginx.conf:/etc/nginx/nginx.conf:ro
+      - ./infra/proxy/conf.d:/etc/nginx/conf.d:ro
+      - ./infra/proxy/tls:/etc/nginx/tls:ro
+      - acme_webroot:/var/www/certbot
+    restart: unless-stopped
+
+  certbot:
+    image: certbot/certbot:v5.8.0
+    profiles: ["acme"]
+    volumes:
+      - letsencrypt:/etc/letsencrypt
+      - acme_webroot:/var/www/certbot
+      - ./infra/proxy/tls:/tls
+      - ./infra/proxy/acme-deploy-hook.sh:/deploy-hook.sh:ro
+
+volumes:
+  acme_webroot:
+  letsencrypt:

docker-compose.yml

@@ -5,6 +5,49 @@
 
 name: enervision
 
+# Piege : LocalExecutor fait tourner les taches comme sous-processus du scheduler, jamais de
+# l'api-server. `airflow_ml_state` (modele entraine, magasin MLflow) n'a donc besoin d'etre monte
+# que sur `airflow-scheduler` en pratique, mais reste partage avec l'api-server pour que ce
+# dernier puisse au besoin l'inspecter sans en devenir dependant.
+x-airflow-common: &airflow-common
+  build:
+    context: .
+    dockerfile: etl/airflow/Dockerfile
+  environment: &airflow-common-env
+    AIRFLOW__CORE__EXECUTOR: LocalExecutor
+    AIRFLOW__CORE__LOAD_EXAMPLES: "false"
+    # Piege : pas de `:?` sur les secrets Airflow. Compose interpole le fichier entier avant de
+    # filtrer les services : une variable requise manquante casserait aussi `make db-up`,
+    # `make dev`... pour quiconque n'a pas encore complete son `.env`. Le refus est porte par
+    # `airflow-init` (ci-dessous), dont `api-server`, `dag-processor` et `scheduler` dependent.
+    AIRFLOW__CORE__FERNET_KEY: ${AIRFLOW_FERNET_KEY:-}
+    AIRFLOW__API__SECRET_KEY: ${AIRFLOW_API_SECRET_KEY:-}
+    # Signe les jetons entre scheduler, tâches et api-server. Conteneurs distincts : un secret
+    # généré au démarrage ne serait pas partagé, il doit venir du .env.
+    AIRFLOW__API_AUTH__JWT_SECRET: ${AIRFLOW_JWT_SECRET:-}
+    AIRFLOW__CORE__EXECUTION_API_SERVER_URL: http://airflow-apiserver:8080/execution/
+    # FabAuthManager plutôt que le SimpleAuthManager par défaut d'Airflow 3 : seul le provider
+    # FAB sait créer le compte admin que `airflow-init` pose via `_AIRFLOW_WWW_USER_*`.
+    AIRFLOW__CORE__AUTH_MANAGER: airflow.providers.fab.auth_manager.fab_auth_manager.FabAuthManager
+    AIRFLOW__DATABASE__SQL_ALCHEMY_CONN: postgresql+psycopg2://${POSTGRES_USER}:${POSTGRES_PASSWORD}@db:5432/airflow
+    # Role `enervision_ml` dedie pas encore provisionne (dette assumee, cf. ADR 0003) :
+    # memes identifiants que le backend en attendant.
+    ML_DATABASE_URL: postgresql+psycopg://${POSTGRES_USER}:${POSTGRES_PASSWORD}@db:5432/${POSTGRES_DB}
+    MLFLOW_TRACKING_URI: sqlite:////opt/ml/state/mlflow.db
+    # Le DAG `alertes` lance le backend en sous-processus : il lit `DATABASE_URL`, en
+    # dialecte asyncpg, là où le pipeline ML lit `ML_DATABASE_URL`.
+    DATABASE_URL: postgresql+asyncpg://${POSTGRES_USER}:${POSTGRES_PASSWORD}@db:5432/${POSTGRES_DB}
+    # Clé distincte de celle de l'API : la détection ne signe ni ne vérifie aucun jeton, et
+    # Airflow permet d'exécuter du code depuis son interface (cf. ADR 0008).
+    APP_SECRET_KEY: ${AIRFLOW_APP_SECRET_KEY:-}
+  volumes:
+    - ./etl/airflow/dags:/opt/airflow/dags
+    - ./etl/airflow/plugins:/opt/airflow/plugins
+    - ./data/raw:/opt/data/raw:ro
+    - airflow_logs:/opt/airflow/logs
+    - airflow_ml_state:/opt/ml/state
+  restart: unless-stopped
+
 services:
   db:
     image: timescale/timescaledb-ha:pg17
@@ -19,6 +62,7 @@ services:
       - pgdata:/home/postgres/pgdata/data
       - ./db/init/100-extensions.sql:/docker-entrypoint-initdb.d/100-extensions.sql:ro
       - ./db/init/110-test-database.sql:/docker-entrypoint-initdb.d/110-test-database.sql:ro
+      - ./db/init/120-airflow-database.sql:/docker-entrypoint-initdb.d/120-airflow-database.sql:ro
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -U $${POSTGRES_USER} -d $${POSTGRES_DB}"]
       interval: 10s
@@ -68,9 +112,78 @@ services:
   frontend:
     build: ./apps/frontend
     ports:
-      - "${FRONTEND_PORT:-3000}:80"
+      - "${FRONTEND_PORT:-3000}:3000"
     restart: unless-stopped
-        
+
+  # Conteneur unique, jamais redemarre. La migration et la creation du premier compte sont
+  # portees par l'entrypoint de l'image (`_AIRFLOW_DB_MIGRATE`, `_AIRFLOW_WWW_USER_*`), qui porte
+  # aussi leur code de sortie : une migration ratee (ex. base `airflow` absente sur un volume
+  # `pgdata` deja peuple) fait echouer ce service, et api-server, dag-processor et scheduler,
+  # qui attendent son succes, ne demarrent pas sur une base non migree. Le mot de passe passe
+  # par l'environnement, jamais par `argv` (ni `ps`, ni `docker compose config`).
+  # Sans mot de passe, l'entrypoint refuse lui-meme de creer le compte ; la commande ci-dessous
+  # refuse en plus les cles et secrets vides.
+  airflow-init:
+    <<: *airflow-common
+    restart: "no"
+    environment:
+      <<: *airflow-common-env
+      _AIRFLOW_DB_MIGRATE: "true"
+      _AIRFLOW_WWW_USER_CREATE: "true"
+      _AIRFLOW_WWW_USER_USERNAME: ${AIRFLOW_ADMIN_USERNAME:-admin}
+      _AIRFLOW_WWW_USER_PASSWORD: ${AIRFLOW_ADMIN_PASSWORD:-}
+      _AIRFLOW_WWW_USER_EMAIL: ${AIRFLOW_ADMIN_EMAIL:-admin@enervision.fr}
+    depends_on:
+      db:
+        condition: service_healthy
+    command:
+      - bash
+      - -c
+      - |
+        set -euo pipefail
+        : "$${AIRFLOW__CORE__FERNET_KEY:?AIRFLOW_FERNET_KEY manquant dans .env}"
+        : "$${AIRFLOW__API__SECRET_KEY:?AIRFLOW_API_SECRET_KEY manquant dans .env}"
+        : "$${AIRFLOW__API_AUTH__JWT_SECRET:?AIRFLOW_JWT_SECRET manquant dans .env}"
+        : "$${APP_SECRET_KEY:?AIRFLOW_APP_SECRET_KEY manquant dans .env}"
+        exec airflow version
+
+  airflow-apiserver:
+    <<: *airflow-common
+    command: api-server
+    ports:
+      - "${AIRFLOW_PORT:-8080}:8080"
+    depends_on:
+      db:
+        condition: service_healthy
+      airflow-init:
+        condition: service_completed_successfully
+    healthcheck:
+      test: ["CMD", "curl", "--fail", "http://localhost:8080/api/v2/monitor/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 5
+      start_period: 60s
+
+  airflow-scheduler:
+    <<: *airflow-common
+    command: scheduler
+    depends_on:
+      db:
+        condition: service_healthy
+      airflow-init:
+        condition: service_completed_successfully
+
+  # Obligatoire depuis Airflow 3 : le scheduler ne parse plus les fichiers de dags/ lui-même.
+  airflow-dag-processor:
+    <<: *airflow-common
+    command: dag-processor
+    depends_on:
+      db:
+        condition: service_healthy
+      airflow-init:
+        condition: service_completed_successfully
 
 volumes:
   pgdata:
+  airflow_logs:
+  airflow_ml_state: