ci(sonar): déclenche l'analyse quand sonar-project.properties change

Le fichier pilote le périmètre, la classification des tests et les rapports de
couverture, mais il ne figurait pas dans les paths du workflow : un commit qui
ne touchait que lui laissait le quality gate figé sur son verdict précédent.

.github/dependabot.yml

@@ -0,0 +1,40 @@
+version: 2
+updates:
+  # Frontend — npm
+  - package-ecosystem: "npm"
+    directory: "/apps/frontend"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 5
+    groups:
+      frontend-dependencies:
+        patterns:
+          - "*"
+
+  # Backend — uv (lit pyproject.toml / uv.lock)
+  - package-ecosystem: "uv"
+    directory: "/apps/backend"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 5
+    groups:
+      backend-dependencies:
+        patterns:
+          - "*"
+
+  # Les workflows GitHub Actions eux-mêmes ont aussi des dépendances à jour
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+
+  # Si un Dockerfile existe pour le backend
+  - package-ecosystem: "docker"
+    directory: "/apps/backend"
+    schedule:
+      interval: "weekly"
+
+  - package-ecosystem: "docker"
+    directory: "/apps/frontend"
+    schedule:
+      interval: "weekly"

.github/workflows/backend.yml

@@ -56,3 +56,87 @@ jobs:
       # Le marqueur `integration` est exclu par défaut, donc aucune base n'est nécessaire ici.
       - name: Tests et couverture
         run: uv run pytest --cov-fail-under=85
+
+  # Piège : l'image est celle de docker-compose.yml, pas une image `postgres` nue. La première
+  # migration (`5353c0e4f094`) échoue volontairement si l'extension TimescaleDB manque, et un
+  # écart d'image entre la CI et le poste rendrait ce job vert sur une base qui n'est pas la nôtre.
+  integration:
+    name: Tests exigeant une base
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: apps/backend
+
+    services:
+      db:
+        image: timescale/timescaledb-ha:pg17
+        env:
+          POSTGRES_USER: enervision
+          POSTGRES_PASSWORD: change_me
+          POSTGRES_DB: enervision_test
+        ports:
+          - "5433:5432"
+        options: >-
+          --health-cmd "pg_isready -U enervision -d enervision_test"
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 12
+          --health-start-period 40s
+
+    env:
+      DATABASE_URL: postgresql+asyncpg://enervision:change_me@localhost:5433/enervision_test
+      APP_SECRET_KEY: secret-de-test-assez-long-pour-le-validateur
+      PGPASSWORD: change_me
+
+    steps:
+      - name: Récupère le dépôt
+        uses: actions/checkout@v4
+
+      - name: Installe uv
+        uses: astral-sh/setup-uv@v5
+        with:
+          enable-cache: true
+          cache-dependency-glob: apps/backend/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
+
+      # Sur le poste, c'est db/init/110-test-database.sql qui pose l'extension. Ce fichier n'est
+      # pas monté ici, et sans lui `alembic upgrade head` s'arrête sur la garde de la révision 1.
+      - name: Active TimescaleDB sur la base de test
+        run: psql -h localhost -p 5433 -U enervision -d enervision_test -c "CREATE EXTENSION IF NOT EXISTS timescaledb"
+
+      - name: Applique les migrations
+        run: uv run alembic upgrade head
+
+      # `-m` en ligne de commande écrase celui d'`addopts`. La couverture est désactivée : ce job
+      # ne joue qu'une partie de la suite, son taux n'aurait aucun sens face au seuil de 85 %.
+      - name: Tests d'intégration
+        run: uv run pytest -m integration --no-cov
+
+  security-audit:
+    name: Audit des dépendances
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: apps/backend
+
+    steps:
+      - name: Récupère le dépôt
+        uses: actions/checkout@v4
+
+      - name: Installe uv
+        uses: astral-sh/setup-uv@v5
+        with:
+          enable-cache: true
+          cache-dependency-glob: apps/backend/uv.lock
+
+      # L'audit porte sur le verrou, pas sur l'environnement : sinon pip-audit auditerait
+      # aussi les paquets que son propre `--with` injecte, hors dépendances du projet.
+      - name: Audite les dépendances livrées
+        # 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

.github/workflows/frontend.yml

@@ -1,20 +1,6 @@
 name: Frontend
-# Pipeline à choix multiple
 
 on:
-  # workflow_dispatch -> lancement manuel des jobs
-  workflow_dispatch:
-    inputs:
-      job_choice:
-        required: true
-        description: "Choix du job"
-        type: choice
-        default: all
-        options:
-            - build
-            - sonarqube
-            - test
-            - all # lancer tous les jobs
   push:
     paths:
       - "apps/frontend/**"
@@ -23,8 +9,9 @@ on:
     paths:
       - "apps/frontend/**"
       - ".github/workflows/frontend.yml"
-# Ordre de lancement des jobs
-# build -> test -> sonarqube -> deploy
+
+permissions:
+  contents: read
 
 jobs:
   build:
@@ -36,13 +23,25 @@ jobs:
           node-version: 24
           cache: npm
           cache-dependency-path: apps/frontend/package-lock.json
-      
-      - run: npm ci 
+
+      - run: npm ci
         working-directory: apps/frontend
       - run: npm run build
         working-directory: apps/frontend
 
-  test:  
+  security-audit:
+    name: Audit des dépendances
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - uses: actions/setup-node@v6
+        with:
+          node-version: 24
+      # 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
+
+  test:
     needs: build
     runs-on: ubuntu-latest
     steps:
@@ -52,26 +51,14 @@ jobs:
           node-version: 24
           cache: npm
           cache-dependency-path: apps/frontend/package-lock.json
-      - run: npm ci 
+      - name : Installation des dépendances (Front)
+        run: npm ci 
         working-directory: apps/frontend
-      - run: npm test -- --watch=false
+      - name : Lancement des tests et génénration du rapport de couverture (Front)
+        run: npm test --watch=false --code-coverage --coverageReporters=lcov
         working-directory: apps/frontend
-
-  sonarqube:
-    needs: [build, test]
-    name: SonarQube
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+      - name: Upload coverage
+        uses: actions/upload-artifact@v4
         with:
-          fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
-      - name: SonarQube Scan
-        uses: SonarSource/sonarqube-scan-action@7006c4492b2e0ee0f816d36501671557c97f5995 # v8.1.0
-        env:
-          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
-
-    
-  # deploy:
-  #   runs-on: ubuntu-latest
-  #   steps:
-  #   - run: echo "DEPLOY job is running"
+          name: frontend-coverage
+          path: apps/frontend/coverage/frontend/lcov.info

.github/workflows/ml.yml

@@ -0,0 +1,59 @@
+name: ML
+
+# Piège : la version de Python vient de ml/.python-version, et doit rester en 3.14 (cf.
+# .github/workflows/backend.yml, même contrainte).
+
+on:
+  push:
+    paths:
+      - "ml/**"
+      - ".github/workflows/ml.yml"
+  pull_request:
+    paths:
+      - "ml/**"
+      - ".github/workflows/ml.yml"
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ml-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  verification:
+    name: Lint, typage et tests
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: ml
+
+    steps:
+      - name: Récupère le dépôt
+        uses: actions/checkout@v4
+
+      - name: Installe uv
+        uses: astral-sh/setup-uv@v5
+        with:
+          enable-cache: true
+          cache-dependency-glob: ml/uv.lock
+
+      - name: Installe l'interpréteur déclaré par .python-version
+        run: uv python install
+
+      - 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 .
+
+      - name: Typage
+        run: uv run mypy enervision_ml tests
+
+      # Aucun test ne touche PostgreSQL ni MLflow distant : tout tourne sur donnees
+      # synthetiques ou un magasin SQLite local jetable (cf. ml/tests/test_train.py).
+      - name: Tests
+        run: uv run pytest

.github/workflows/sonarqube.yml

@@ -0,0 +1,134 @@
+name: SonarQube
+
+on:
+  push:
+    paths:
+      - "apps/frontend/**"
+      - "apps/backend/**"
+      - ".github/workflows/sonarqube.yml"
+      - "sonar-project.properties"
+  pull_request:
+    paths:
+      - "apps/frontend/**"
+      - "apps/backend/**"
+      - ".github/workflows/sonarqube.yml"
+      - "sonar-project.properties"
+
+
+# Build l'ensemble du projet, puis lance les tests
+# Génère les rapports de couverture, puis lance l'analyse SonarQube
+
+jobs:
+  build-front:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - uses: actions/setup-node@v6
+        with:
+          node-version: 24
+          cache: npm
+          cache-dependency-path: apps/frontend/package-lock.json
+      
+      - run: npm ci 
+        working-directory: apps/frontend
+      - run: npm run build
+        working-directory: apps/frontend
+
+  test-front:  
+    needs: build-front
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - uses: actions/setup-node@v6
+        with:
+          node-version: 24
+          cache: npm
+          cache-dependency-path: apps/frontend/package-lock.json
+
+      - name : Installation des dépendances (Front)
+        run: npm ci 
+        working-directory: apps/frontend
+
+      - name : Lancement des tests et génénration du rapport de couverture (Front)
+        run: npm test --watch=false --code-coverage --coverageReporters=lcov
+        working-directory: apps/frontend
+
+      - name: Upload coverage
+        uses: actions/upload-artifact@v4
+        with:
+          name: frontend-coverage
+          path: apps/frontend/coverage/frontend/lcov.info
+
+  build-back:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - name: Installe uv
+        uses: astral-sh/setup-uv@v5
+        with:
+          enable-cache: true
+          cache-dependency-glob: apps/backend/uv.lock
+      - name: Installe l'interpréteur déclaré par .python-version
+        run: uv python install
+        working-directory: apps/backend
+
+      - name: Synchronise les dépendances sans dévier du verrou
+        run: uv sync --all-groups --frozen
+        working-directory: apps/backend
+
+      - name: Vérifie le formatage
+        run: uv run ruff format --check .
+        working-directory: apps/backend
+
+      - name: Analyse statique
+        run: uv run ruff check --output-format=github .
+        working-directory: apps/backend
+
+      - name: Typage
+        run: uv run mypy app
+        working-directory: apps/backend
+
+
+  test-back:
+    needs: build-back
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - name: Installe uv
+        uses: astral-sh/setup-uv@v5
+        with:
+          enable-cache: true
+          cache-dependency-glob: apps/backend/uv.lock
+
+      - name : Lancement des tests et génénration du rapport de couverture (Back)
+        run: uv run pytest --cov-fail-under=85 --cov-report=xml
+        working-directory: apps/backend
+
+      - name: Upload coverage
+        uses: actions/upload-artifact@v4
+        with:
+          name: backend-coverage
+          path: apps/backend/coverage.xml
+
+  sonarqube:
+    needs: [build-front, build-back, test-front, test-back]
+    name: SonarQube
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
+      - name: Téléchargement du rapport de couverture (Front)
+        uses: actions/download-artifact@v4
+        with:
+          name: frontend-coverage
+          path: apps/frontend/coverage/frontend
+      - name: Téléchargement du rapport de couverture (Back)
+        uses: actions/download-artifact@v4
+        with:
+          name: backend-coverage
+          path: apps/backend
+      - name: SonarQube Scan
+        uses: SonarSource/sonarqube-scan-action@v8
+        env:
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}

.gitignore

@@ -58,6 +58,14 @@ data/raw/*
 monitoring/grafana/data/
 monitoring/prometheus/data/
 
+# ML : jeu de donnees, modeles entraines et suivi MLflow local, tous generes/volumineux
+ml/data/
+ml/models/*
+!ml/models/.gitkeep
+ml/mlruns/
+ml/mlartifacts/
+ml/mlflow.db
+
 # IDE et OS
 .idea/
 .vscode/

Makefile

@@ -1,15 +1,17 @@
 BACKEND := apps/backend
 FRONTEND := apps/frontend
+ML := ml
 
 .DEFAULT_GOAL := help
-.PHONY: help install install-backend install-frontend dev dev-backend dev-frontend \
+.PHONY: help install install-backend install-frontend install-ml 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
+        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
 
 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 ## Installe les dépendances backend et frontend
+install: install-backend install-frontend install-ml ## Installe les dépendances backend, frontend et ML
 
 install-backend: ## Installe les dépendances du backend
 	cd $(BACKEND) && uv sync --all-groups
@@ -17,6 +19,9 @@ install-backend: ## Installe les dépendances du backend
 install-frontend: ## Installe les dépendances du frontend
 	cd $(FRONTEND) && npm ci
 
+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
 	@trap 'kill 0' EXIT INT TERM; \
 	$(MAKE) --no-print-directory dev-backend & \
@@ -55,6 +60,20 @@ check: lint typecheck test ## Chaîne de vérification complète
 openapi: ## Régénère apps/backend/openapi.json depuis les routes déclarées
 	cd $(BACKEND) && uv run python -m app.cli export-openapi
 
+ml-lint: ## Analyse statique du pipeline ML
+	cd $(ML) && uv run ruff check .
+
+ml-typecheck: ## Vérifie le typage du pipeline ML
+	cd $(ML) && uv run mypy enervision_ml tests
+
+ml-test: ## Exécute les tests du pipeline ML (donnees synthetiques, sans base ni serveur MLflow)
+	cd $(ML) && uv run pytest
+
+ml-check: ml-lint ml-typecheck ml-test ## Chaîne de vérification complète du pipeline ML
+
+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),)
+
 docker-build: ## Construit l'image du backend
 	docker build -t enervision-backend:local $(BACKEND)
 

README.md

@@ -25,6 +25,7 @@ Ce que la documentation apporte à chacun : [docs/architecture/00-vue-ensemble.m
 | Infra      | Terraform (k3s single-node)         | `infra/terraform`   | Initialise    |
 | CI/CD      | GitHub Actions                      | `.github/workflows` | Backend en place |
 | Monitoring | Prometheus, Grafana, Alertmanager   | `monitoring`        | A initialiser |
+| ML         | LightGBM, MLflow                    | `ml`                | Entrainement initialise |
 
 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
@@ -53,6 +54,7 @@ L'etat detaille de chaque brique et les vues d'architecture sont dans
 ├── infra/terraform/
 │   ├── modules/        Modules reutilisables
 │   └── environments/   Racines Terraform, une par environnement
+├── ml/                 Pipeline d'entrainement LightGBM, suivi MLflow
 ├── monitoring/
 │   ├── prometheus/     Collecte et regles d'alerte
 │   ├── grafana/        Provisioning et dashboards

apps/backend/.env.example

@@ -8,3 +8,13 @@ APP_SECRET_KEY=change_me
 
 APP_CORS_ORIGINS=http://localhost:4200
 DATABASE_URL=postgresql+asyncpg://enervision:change_me@localhost:5433/enervision
+
+# Mot de passe oublié : lien à usage unique valable 15 minutes par défaut.
+APP_FRONTEND_RESET_PASSWORD_URL=http://localhost:4200/reset-password
+
+# SMTP local de dev (Mailpit, cf. docker-compose.yml) : aucune authentification, aucun TLS.
+# À remplacer par un vrai relais en staging/prod.
+APP_SMTP_HOST=localhost
+APP_SMTP_PORT=1025
+APP_SMTP_USE_TLS=false
+APP_SMTP_FROM_ADDRESS=no-reply@enervision.fr

apps/backend/README.md

@@ -103,6 +103,8 @@ Le sens de dependance est unique : `endpoints` vers `services` vers `repositorie
 | `/api/v1/auth/logout` | Ferme la session courante | cookie, idempotente |
 | `/api/v1/auth/logout-all` | Ferme toutes les sessions du compte | jeton |
 | `/api/v1/auth/password` | Change son propre mot de passe | jeton |
+| `/api/v1/auth/forgot-password` | Demande un lien de réinitialisation par email | public |
+| `/api/v1/auth/reset-password` | Choisit un nouveau mot de passe depuis ce lien | public |
 | `/api/v1/auth/me` | Décrit le compte connecté | jeton |
 | `/api/v1/users` | Liste et crée des comptes | `admin` |
 | `/api/v1/users/{id}` | Change le rôle ou l'activation | `admin` |

apps/backend/TESTING.md

@@ -123,6 +123,11 @@ async def test_repository_reads_back_what_it_wrote(session: AsyncSession) -> Non
 defaut, ce qui garde `make check` jouable sans Docker. Tout autre marqueur doit etre
 declare dans `pyproject.toml` : `--strict-markers` refuse les marqueurs inconnus.
 
+Ces tests ne sont pas pour autant facultatifs : le job `integration` de
+`.github/workflows/backend.yml` monte un service TimescaleDB, applique les migrations et
+les joue a chaque poussee. Un test `integration` casse donc la CI comme un autre. En local,
+`make db-up` puis `make test-integration`.
+
 ## Couverture
 
 Les branches sont mesurees, pas seulement les lignes. Le seuil de 85 % ne s'applique
@@ -142,14 +147,27 @@ uv run pytest tests/api/test_health.py           # un seul fichier
 uv run pytest -k readiness                       # par motif de nom
 ```
 
-## Trois fichiers à connaître avant de toucher à l'authentification
+## Quatre fichiers à connaître avant de toucher à l'authentification
+
+`tests/api/acces.py` porte la classification des routes du contrat, en quatre ensembles :
+`ROUTES_PUBLIQUES`, `ROUTE_COOKIE`, `ROUTES_SANS_ROLE` et la table `ROLE_MINIMUM`. Ce n'est pas
+un fichier de test, c'est la référence que les trois autres confrontent au comportement observé.
+**Toute route ajoutée doit y être classée** : `test_every_declared_route_is_classified` échoue
+sinon, et échoue aussi sur une entrée qui ne correspond plus à aucune route.
 
 `tests/api/test_route_protection.py` interroge réellement chaque route sans identifiant et
 échoue si l'une d'elles répond autre chose qu'un 401 ou un 403. Il n'inspecte pas l'arbre de
 dépendances : celui-ci n'est accessible que par l'API privée de FastAPI, et surtout une route
 peut porter la bonne dépendance tout en répondant quand même. **Rendre une route publique impose
-donc de modifier la liste `ROUTES_PUBLIQUES` de ce fichier**, ce qui apparaît en clair dans la
-diff d'une pull request.
+donc de modifier `ROUTES_PUBLIQUES` dans `acces.py`**, ce qui apparaît en clair dans la diff
+d'une pull request.
+
+`tests/api/test_matrice_acces.py` croise chaque route gardée avec chacun des trois rôles, dans
+les deux sens : un rôle insuffisant reçoit un 403 `Droits insuffisants`, un rôle suffisant ne le
+reçoit jamais. Le second sens est ce qui rend visible une garde posée trop haut, par exemple
+`AdminDep` sur une route de lecture. La même matrice est rejouée sous `integration` avec de vrais
+jetons, donc en traversant le décodage du JWT et la relecture du compte en base, que
+`dependency_overrides` court-circuite.
 
 `tests/services/test_auth.py` donne au faux hacheur un **compteur d'appels**. C'est ce qui rend
 possibles les deux assertions qui prouvent la conception, et qu'aucune autre forme de test

apps/backend/alembic/versions/c0adab96238c_jetons_de_reinitialisation.py

@@ -0,0 +1,96 @@
+"""jetons et tentatives de reinitialisation de mot de passe
+
+Revision ID: c0adab96238c
+Revises: e6d2026091501
+Create Date: 2026-09-17 10:37:12.571314
+
+Meme schema que `refresh_token` pour `password_reset_token` : seule l'empreinte SHA-256 du
+jeton est stockee, jamais le jeton lui-meme, pour la meme raison (revocation en cascade,
+aucune session utilisable dans un pg_dump qui fuiterait).
+
+`password_reset_attempt` vit hors de `audit_log`, comme `login_attempt`, car son volume est
+pilote par l'attaquant : une campagne de demandes y ecrirait des lignes que l'audit, en ajout
+seul, ne devrait jamais purger.
+"""
+
+from collections.abc import Sequence
+
+import sqlalchemy as sa
+from alembic import op
+from sqlalchemy.dialects import postgresql
+
+revision: str = "c0adab96238c"
+down_revision: str | Sequence[str] | None = "e6d2026091501"
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+JETONS_VIVANTS = "consumed_at is null"
+
+
+def upgrade() -> None:
+    op.create_table(
+        "password_reset_attempt",
+        sa.Column("id", sa.BigInteger(), sa.Identity(always=True), nullable=False),
+        sa.Column(
+            "occurred_at",
+            sa.DateTime(timezone=True),
+            server_default=sa.text("now()"),
+            nullable=False,
+        ),
+        sa.Column("email_tried", sa.String(length=320), nullable=False),
+        sa.Column("client_ip", postgresql.INET(), nullable=True),
+        sa.PrimaryKeyConstraint("id", name="pk_password_reset_attempt"),
+    )
+    op.create_index(
+        "ix_password_reset_attempt_email_date",
+        "password_reset_attempt",
+        ["email_tried", "occurred_at"],
+    )
+    op.create_index(
+        "ix_password_reset_attempt_ip_date", "password_reset_attempt", ["client_ip", "occurred_at"]
+    )
+
+    op.create_table(
+        "password_reset_token",
+        sa.Column("id", sa.UUID(), server_default=sa.text("gen_random_uuid()"), nullable=False),
+        sa.Column("user_id", sa.UUID(), nullable=False),
+        sa.Column("token_hash", sa.LargeBinary(), nullable=False),
+        sa.Column(
+            "issued_at",
+            sa.DateTime(timezone=True),
+            server_default=sa.text("now()"),
+            nullable=False,
+        ),
+        sa.Column("expires_at", sa.DateTime(timezone=True), nullable=False),
+        sa.Column("consumed_at", sa.DateTime(timezone=True), nullable=True),
+        sa.Column("client_ip", postgresql.INET(), nullable=True),
+        sa.Column("user_agent", sa.Text(), nullable=True),
+        sa.ForeignKeyConstraint(
+            ["user_id"],
+            ["app_user.id"],
+            name="fk_password_reset_token_user",
+            ondelete="CASCADE",
+        ),
+        sa.PrimaryKeyConstraint("id", name="pk_password_reset_token"),
+        sa.UniqueConstraint("token_hash", name="uq_password_reset_token_hash"),
+    )
+    op.create_index("ix_password_reset_token_user", "password_reset_token", ["user_id"])
+    op.create_index(
+        "ix_password_reset_token_vivants",
+        "password_reset_token",
+        ["user_id"],
+        postgresql_where=JETONS_VIVANTS,
+    )
+
+
+def downgrade() -> None:
+    op.drop_index(
+        "ix_password_reset_token_vivants",
+        table_name="password_reset_token",
+        postgresql_where=JETONS_VIVANTS,
+    )
+    op.drop_index("ix_password_reset_token_user", table_name="password_reset_token")
+    op.drop_table("password_reset_token")
+    op.drop_index("ix_password_reset_attempt_ip_date", table_name="password_reset_attempt")
+    op.drop_index("ix_password_reset_attempt_email_date", table_name="password_reset_attempt")
+    op.drop_table("password_reset_attempt")

apps/backend/app/api/deps.py

@@ -16,6 +16,7 @@ from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.core.config import Settings, get_settings
 from app.core.hashing import Argon2Hasher, build_hasher
+from app.core.mailer import Mailer, SmtpConfig
 from app.core.principal import Principal
 from app.core.roles import AccountKind, Role, has_at_least
 from app.core.security import TokenExpiredError, TokenInvalidError, TokenPolicy
@@ -24,13 +25,16 @@ from app.db.session import get_session
 from app.repositories.alert import AlertRepository
 from app.repositories.audit_log import AuditLogRepository
 from app.repositories.login_attempt import LoginAttemptRepository
+from app.repositories.password_reset_attempt import PasswordResetAttemptRepository
+from app.repositories.password_reset_token import PasswordResetTokenRepository
 from app.repositories.reading import ReadingRepository
 from app.repositories.recommendation import RecommendationRepository
 from app.repositories.refresh_token import RefreshTokenRepository
 from app.repositories.site import SiteRepository
 from app.repositories.user import UserRepository
 from app.services.alert import AlertService
-from app.services.auth import AuthService, LoginPolicy
+from app.services.auth import AuthService, LoginPolicy, PasswordResetPolicy
+from app.services.reading import ReadingService
 from app.services.recommendation import RecommendationService
 from app.services.sensor import SensorService
 from app.services.site import SiteService
@@ -97,11 +101,27 @@ def get_client_ip(request: Request, settings: SettingsDep) -> str | None:
     return request.client.host if request.client else None
 
 
+def get_mailer(settings: SettingsDep) -> Mailer:
+    return Mailer(
+        SmtpConfig(
+            host=settings.smtp_host,
+            port=settings.smtp_port,
+            username=settings.smtp_username,
+            password=(
+                settings.smtp_password.get_secret_value() if settings.smtp_password else None
+            ),
+            use_tls=settings.smtp_use_tls,
+            from_address=settings.smtp_from_address,
+        )
+    )
+
+
 def get_auth_service(
     session: SessionDep,
     settings: SettingsDep,
     hasher: Annotated[Argon2Hasher, Depends(get_hasher)],
     token_policy: Annotated[TokenPolicy, Depends(get_token_policy)],
+    mailer: Annotated[Mailer, Depends(get_mailer)],
 ) -> AuthService:
     return AuthService(
         users=UserRepository(session),
@@ -118,6 +138,16 @@ def get_auth_service(
             max_failures_per_identifier=settings.login_max_failures_per_identifier,
         ),
         refresh_ttl=timedelta(seconds=settings.refresh_token_ttl_seconds),
+        reset_tokens=PasswordResetTokenRepository(session),
+        reset_attempts=PasswordResetAttemptRepository(session),
+        reset_policy=PasswordResetPolicy(
+            window_seconds=settings.password_reset_window_seconds,
+            max_requests_per_identifier=settings.password_reset_max_requests_per_identifier,
+            max_requests_per_ip=settings.password_reset_max_requests_per_ip,
+            token_ttl=timedelta(seconds=settings.password_reset_ttl_seconds),
+            frontend_reset_url=settings.frontend_reset_password_url,
+        ),
+        mailer=mailer,
     )
 
 
@@ -141,7 +171,7 @@ UserServiceDep = Annotated[UserService, Depends(get_user_service)]
 
 
 def get_site_service(session: SessionDep) -> SiteService:
-    return SiteService(sites=SiteRepository(session))
+    return SiteService(sites=SiteRepository(session), readings=ReadingRepository(session))
 
 
 SiteServiceDep = Annotated[SiteService, Depends(get_site_service)]
@@ -168,6 +198,13 @@ def get_stats_service(session: SessionDep) -> StatsService:
 StatsServiceDep = Annotated[StatsService, Depends(get_stats_service)]
 
 
+def get_reading_service(session: SessionDep) -> ReadingService:
+    return ReadingService(readings=ReadingRepository(session))
+
+
+ReadingServiceDep = Annotated[ReadingService, Depends(get_reading_service)]
+
+
 def get_sensor_service(session: SessionDep) -> SensorService:
     return SensorService(sites=SiteRepository(session), readings=ReadingRepository(session))
 

apps/backend/app/api/openapi.py

@@ -71,6 +71,14 @@ TAGS: Final[list[dict[str, Any]]] = [
         "description": "Statistiques agrégées de consommation. Accessible à partir du rôle "
         "`lecteur`.",
     },
+    {
+        "name": "readings",
+        "description": (
+            "Historique des lectures de consommation. Fenêtre temporelle plafonnée à 90 jours, "
+            "24 dernières heures par défaut si `start`/`end` sont omis. Accessible à partir du "
+            "rôle `lecteur`."
+        ),
+    },
     {
         "name": "sensors",
         "description": "État de santé des capteurs par site. Réservé au rôle `admin`.",
@@ -156,3 +164,16 @@ REPONSE_ORIGINE_REFUSEE: Final[Reponses] = {
         "description": "Origine non autorisée (protection CSRF de `require_trusted_origin`).",
     },
 }
+
+REPONSE_LIMITE: Final[Reponses] = {
+    429: {
+        "model": ErrorResponse,
+        "description": "Trop de demandes sur cette fenêtre glissante.",
+        "headers": {
+            "Retry-After": {
+                "description": "Secondes à attendre avant une nouvelle tentative.",
+                "schema": {"type": "integer"},
+            }
+        },
+    },
+}

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

@@ -2,7 +2,7 @@
 # d'accès ne va jamais dans un cookie. C'est ce qui réduit la surface CSRF aux trois routes de
 # ce module : partout ailleurs, le navigateur n'attache rien de lui-même.
 
-from fastapi import APIRouter, Depends, HTTPException, Request, Response, status
+from fastapi import APIRouter, BackgroundTasks, Depends, HTTPException, Request, Response, status
 
 from app.api.deps import (
     AuthServiceDep,
@@ -12,6 +12,7 @@ from app.api.deps import (
     require_trusted_origin,
 )
 from app.api.openapi import (
+    REPONSE_LIMITE,
     REPONSE_ORIGINE_REFUSEE,
     REPONSE_VALIDATION,
     REPONSES_AUTHENTIFIEES,
@@ -21,15 +22,19 @@ from app.api.openapi import (
 from app.core.cookies import RefreshCookie, cookie_name
 from app.core.logging import get_logger
 from app.schemas.auth import (
+    ForgotPasswordRequest,
     LoginRequest,
     PasswordChangeRequest,
     PrincipalResponse,
+    ResetPasswordRequest,
+    ResetTokenValidationResponse,
     TokenResponse,
 )
 from app.schemas.errors import ErrorResponse
 from app.services.auth import (
     AuthenticatedSession,
     InvalidCredentialsError,
+    InvalidOrExpiredResetTokenError,
     RateLimitedError,
     SessionRejectedError,
 )
@@ -39,6 +44,7 @@ logger = get_logger(__name__)
 
 DETAIL_IDENTIFIANTS = "Identifiants invalides"
 DETAIL_SESSION = "Session invalide"
+DETAIL_LIEN_RESET = "Lien invalide ou expiré"
 
 REPONSES_LOGIN: Reponses = {
     **REPONSE_VALIDATION,
@@ -85,6 +91,20 @@ REPONSES_MOT_DE_PASSE: Reponses = {
     },
 }
 
+REPONSES_FORGOT_PASSWORD: Reponses = {
+    **REPONSE_VALIDATION,
+    **REPONSE_LIMITE,
+}
+
+REPONSES_RESET_PASSWORD: Reponses = {
+    **REPONSE_VALIDATION,
+    **REPONSE_ORIGINE_REFUSEE,
+    400: {
+        "model": ErrorResponse,
+        "description": "Lien invalide, déjà utilisé, ou expiré (durée de vie : 15 minutes).",
+    },
+}
+
 
 def repond(
     response: Response, settings: SettingsDep, session: AuthenticatedSession
@@ -267,3 +287,79 @@ async def change_password(
 
     logger.info("auth.password_changed user_id=%s", principal.id)
     return repond(response, settings, session)
+
+
+@router.post(
+    "/forgot-password",
+    status_code=status.HTTP_202_ACCEPTED,
+    summary="Demande un lien de réinitialisation par email",
+    responses=REPONSES_FORGOT_PASSWORD,
+)
+async def forgot_password(
+    payload: ForgotPasswordRequest,
+    request: Request,
+    response: Response,
+    service: AuthServiceDep,
+    background_tasks: BackgroundTasks,
+    client_ip: str | None = Depends(get_client_ip),
+) -> None:
+    response.headers["Cache-Control"] = "no-store"
+
+    try:
+        await service.request_password_reset(
+            email=payload.email,
+            client_ip=client_ip,
+            user_agent=request.headers.get("user-agent"),
+            background_tasks=background_tasks,
+        )
+    except RateLimitedError as erreur:
+        logger.warning("auth.password_reset.rate_limited ip=%s", client_ip)
+        raise HTTPException(
+            status_code=status.HTTP_429_TOO_MANY_REQUESTS,
+            detail="Trop de demandes, réessayez plus tard",
+            headers={"Retry-After": str(erreur.retry_after)},
+        ) from erreur
+
+
+@router.get(
+    "/reset-password/validate",
+    response_model=ResetTokenValidationResponse,
+    summary="Vérifie sans le consommer si un lien de réinitialisation est encore valide",
+    responses=REPONSE_VALIDATION,
+)
+async def validate_reset_token(token: str, service: AuthServiceDep) -> ResetTokenValidationResponse:
+    return ResetTokenValidationResponse(valid=await service.is_reset_token_valid(token=token))
+
+
+@router.post(
+    "/reset-password",
+    response_model=TokenResponse,
+    summary="Choisit un nouveau mot de passe depuis un lien reçu par email",
+    dependencies=[Depends(require_trusted_origin)],
+    responses=REPONSES_RESET_PASSWORD,
+)
+async def reset_password(
+    payload: ResetPasswordRequest,
+    request: Request,
+    response: Response,
+    settings: SettingsDep,
+    service: AuthServiceDep,
+    client_ip: str | None = Depends(get_client_ip),
+) -> TokenResponse:
+    response.headers["Cache-Control"] = "no-store"
+
+    try:
+        session = await service.confirm_password_reset(
+            token=payload.token,
+            new_password=payload.new_password,
+            client_ip=client_ip,
+            user_agent=request.headers.get("user-agent"),
+        )
+    except InvalidOrExpiredResetTokenError as erreur:
+        logger.warning("auth.password_reset.invalid_token ip=%s", client_ip)
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST, detail=DETAIL_LIEN_RESET
+        ) from erreur
+
+    logger.info("auth.password_reset.success user_id=%s", session.principal.id)
+    return repond(response, settings, session)

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

@@ -0,0 +1,54 @@
+from datetime import datetime
+
+from fastapi import APIRouter, HTTPException, Query, status
+
+from app.api.deps import LecteurDep, ReadingServiceDep
+from app.api.openapi import REPONSE_VALIDATION, Reponses
+from app.schemas.errors import ErrorResponse
+from app.schemas.reading import ReadingResponse
+from app.services.reading import FenetreInverseeError, FenetreTropLargeError
+
+router = APIRouter()
+
+REPONSES_FENETRE: Reponses = {
+    **REPONSE_VALIDATION,
+    400: {
+        "model": ErrorResponse,
+        "description": (
+            "Fenêtre temporelle invalide : `start` postérieur ou égal à `end`, ou écart entre "
+            "les deux supérieur à 90 jours."
+        ),
+    },
+}
+
+
+@router.get(
+    "",
+    response_model=list[ReadingResponse],
+    summary="Liste l'historique des lectures",
+    responses=REPONSES_FENETRE,
+)
+async def list_readings(
+    _: LecteurDep,
+    service: ReadingServiceDep,
+    site_id: str | None = None,
+    start: datetime | None = None,
+    end: datetime | None = None,
+    limit: int = Query(500, ge=1, le=2000),
+    offset: int = Query(0, ge=0),
+) -> list[ReadingResponse]:
+    try:
+        lectures = await service.list_history(
+            site_id=site_id, start=start, end=end, limit=limit, offset=offset
+        )
+    except FenetreInverseeError as erreur:
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST,
+            detail="`start` doit être strictement antérieur à `end`",
+        ) from erreur
+    except FenetreTropLargeError as erreur:
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST,
+            detail="L'écart entre `start` et `end` ne peut pas dépasser 90 jours",
+        ) from erreur
+    return [ReadingResponse.model_validate(lecture) for lecture in lectures]

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

@@ -3,7 +3,7 @@ from fastapi import APIRouter, HTTPException, status
 from app.api.deps import LecteurDep, SiteServiceDep
 from app.api.openapi import REPONSE_VALIDATION, Reponses
 from app.schemas.errors import ErrorResponse
-from app.schemas.site import SiteResponse
+from app.schemas.site import SiteCurrentResponse, SiteResponse
 from app.services.site import SiteNotFoundError
 
 router = APIRouter()
@@ -34,3 +34,19 @@ async def get_site(site_id: str, _: LecteurDep, service: SiteServiceDep) -> Site
             status_code=status.HTTP_404_NOT_FOUND, detail="Site introuvable"
         ) from erreur
     return SiteResponse.model_validate(site)
+
+
+@router.get(
+    "/{site_id}/current",
+    response_model=SiteCurrentResponse,
+    summary="Dernière mesure d'un site",
+    responses=REPONSES_INTROUVABLE,
+)
+async def get_current(site_id: str, _: LecteurDep, service: SiteServiceDep) -> SiteCurrentResponse:
+    try:
+        actuel = await service.current(site_id)
+    except SiteNotFoundError as erreur:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND, detail="Site introuvable"
+        ) from erreur
+    return SiteCurrentResponse.model_validate(actuel)

apps/backend/app/api/v1/router.py

@@ -1,7 +1,17 @@
 from fastapi import APIRouter
 
 from app.api.openapi import REPONSE_SERVEUR, REPONSES_ADMIN, REPONSES_LECTEUR
-from app.api.v1.endpoints import alerts, auth, health, recommendations, sensors, sites, stats, users
+from app.api.v1.endpoints import (
+    alerts,
+    auth,
+    health,
+    readings,
+    recommendations,
+    sensors,
+    sites,
+    stats,
+    users,
+)
 
 api_router = APIRouter(responses=REPONSE_SERVEUR)
 api_router.include_router(health.router, prefix="/health", tags=["health"])
@@ -18,6 +28,9 @@ api_router.include_router(
     responses=REPONSES_LECTEUR,
 )
 api_router.include_router(stats.router, prefix="/stats", tags=["stats"], responses=REPONSES_LECTEUR)
+api_router.include_router(
+    readings.router, prefix="/readings", tags=["readings"], responses=REPONSES_LECTEUR
+)
 api_router.include_router(
     sensors.router, prefix="/sensors", tags=["sensors"], responses=REPONSES_ADMIN
 )

apps/backend/app/cli.py

@@ -9,6 +9,7 @@ import argparse
 import asyncio
 import json
 import secrets
+import string
 import sys
 from getpass import getpass
 from pathlib import Path
@@ -22,9 +23,9 @@ from app.core.roles import Role
 from app.db.session import get_session_factory
 from app.main import create_app
 from app.repositories.user import UserRepository
+from app.schemas.auth import PASSWORD_MIN_LENGTH, SPECIAL_CHARACTERS, valide_complexite
 
 LONGUEUR_MOT_DE_PASSE_GENERE = 24
-LONGUEUR_MINIMALE = 12
 CHEMIN_CONTRAT = Path(__file__).resolve().parent.parent / "openapi.json"
 
 
@@ -111,15 +112,34 @@ def build_parser() -> argparse.ArgumentParser:
     return parser
 
 
+def genere_mot_de_passe() -> str:
+    tirage = secrets.SystemRandom()
+    classes = [
+        string.ascii_uppercase,
+        string.ascii_lowercase,
+        string.digits,
+        SPECIAL_CHARACTERS,
+    ]
+    reste = LONGUEUR_MOT_DE_PASSE_GENERE - len(classes)
+    caracteres = [tirage.choice(classe) for classe in classes]
+    caracteres += [tirage.choice("".join(classes)) for _ in range(reste)]
+    tirage.shuffle(caracteres)
+    return "".join(caracteres)
+
+
 def read_password(*, generate: bool) -> str:
     if generate:
-        mot_de_passe = secrets.token_urlsafe(LONGUEUR_MOT_DE_PASSE_GENERE)
+        mot_de_passe = genere_mot_de_passe()
         print(f"Mot de passe généré, il ne sera plus affiché : {mot_de_passe}")
         return mot_de_passe
 
     mot_de_passe = getpass("Mot de passe : ")
-    if len(mot_de_passe) < LONGUEUR_MINIMALE:
-        raise SystemExit(f"Le mot de passe doit faire au moins {LONGUEUR_MINIMALE} caractères")
+    if len(mot_de_passe) < PASSWORD_MIN_LENGTH:
+        raise SystemExit(f"Le mot de passe doit faire au moins {PASSWORD_MIN_LENGTH} caractères")
+    try:
+        valide_complexite(mot_de_passe)
+    except ValueError as erreur:
+        raise SystemExit(str(erreur)) from erreur
     if mot_de_passe != getpass("Confirmation : "):
         raise SystemExit("Les deux saisies diffèrent")
     return mot_de_passe

apps/backend/app/core/config.py

@@ -54,6 +54,19 @@ class Settings(BaseSettings):
     login_max_failures_per_ip: int = Field(default=20, ge=1)
     login_max_failures_per_identifier: int = Field(default=50, ge=1)
 
+    password_reset_ttl_seconds: int = Field(default=900, ge=60, le=3600)
+    password_reset_window_seconds: int = Field(default=900, ge=60)
+    password_reset_max_requests_per_identifier: int = Field(default=3, ge=1)
+    password_reset_max_requests_per_ip: int = Field(default=10, ge=1)
+
+    smtp_host: str = "localhost"
+    smtp_port: int = Field(default=587, ge=1, le=65535)
+    smtp_username: str | None = None
+    smtp_password: SecretStr | None = None
+    smtp_use_tls: bool = False
+    smtp_from_address: str = "no-reply@enervision.fr"
+    frontend_reset_password_url: str = "http://localhost:4200/reset-password"  # noqa: S105
+
     trust_proxy_headers: bool = False
     expose_api_docs: bool | None = None
     metrics_token: SecretStr | None = None

apps/backend/app/core/mailer.py

@@ -0,0 +1,48 @@
+# Piège : l'URL de réinitialisation porte le jeton en clair. Ne jamais la journaliser :
+# `send_password_reset_email()` ne logue que le destinataire, jamais `reset_url`.
+
+from dataclasses import dataclass
+from email.message import EmailMessage
+
+import aiosmtplib
+
+from app.core.logging import get_logger
+
+logger = get_logger(__name__)
+
+
+@dataclass(frozen=True, slots=True)
+class SmtpConfig:
+    host: str
+    port: int
+    username: str | None
+    password: str | None
+    use_tls: bool
+    from_address: str
+
+
+class Mailer:
+    def __init__(self, config: SmtpConfig) -> None:
+        self._config = config
+
+    async def send_password_reset_email(self, *, to: str, reset_url: str) -> None:
+        message = EmailMessage()
+        message["From"] = self._config.from_address
+        message["To"] = to
+        message["Subject"] = "Réinitialisation de votre mot de passe EnerVision"
+        message.set_content(
+            "Une réinitialisation de mot de passe a été demandée pour ce compte.\n\n"
+            f"Ouvrez ce lien dans les 15 minutes pour choisir un nouveau mot de passe : "
+            f"{reset_url}\n\n"
+            "Si vous n'êtes pas à l'origine de cette demande, ignorez cet email."
+        )
+
+        _, message_recu = await aiosmtplib.send(
+            message,
+            hostname=self._config.host,
+            port=self._config.port,
+            username=self._config.username,
+            password=self._config.password,
+            use_tls=self._config.use_tls,
+        )
+        logger.info("mailer.password_reset_sent to=%s smtp_response=%s", to, message_recu)

apps/backend/app/main.py

@@ -1,9 +1,14 @@
 from collections.abc import AsyncIterator
 from contextlib import asynccontextmanager
+from pathlib import Path
 
 from fastapi import Depends, FastAPI
 from fastapi.middleware.cors import CORSMiddleware
+from fastapi.openapi.docs import get_redoc_html, get_swagger_ui_html
+from fastapi.staticfiles import StaticFiles
 from prometheus_fastapi_instrumentator import Instrumentator
+from starlette.requests import Request
+from starlette.responses import HTMLResponse
 
 from app.api.errors import register_error_handlers
 from app.api.middleware import SecurityHeadersMiddleware
@@ -18,6 +23,8 @@ logger = get_logger(__name__)
 
 METHODES_AUTORISEES = ["GET", "POST", "PATCH", "PUT", "DELETE", "OPTIONS"]
 EN_TETES_AUTORISES = ["Authorization", "Content-Type"]
+STATIC_DIR = Path(__file__).parent / "static"
+LOGO_URL = "/static/logo-icon.png"
 
 
 @asynccontextmanager
@@ -43,11 +50,41 @@ def create_app(settings: Settings | None = None) -> FastAPI:
         openapi_tags=TAGS,
         debug=resolved.debug,
         lifespan=lifespan,
-        docs_url="/docs" if documentee else None,
-        redoc_url="/redoc" if documentee else None,
+        docs_url=None,
+        redoc_url=None,
         openapi_url="/openapi.json" if documentee else None,
     )
 
+    if documentee:
+        application.mount("/static", StaticFiles(directory=STATIC_DIR), name="static")
+
+        # ReDoc supporte nativement `info.x-logo` (extension Redocly) pour afficher un logo
+        # en en-tête ; Swagger UI n'a pas d'equivalent, il ne reprend que le favicon.
+        openapi_original = application.openapi
+
+        def openapi_avec_logo() -> dict[str, object]:
+            schema = openapi_original()
+            schema["info"]["x-logo"] = {"url": LOGO_URL, "altText": "EnerVision"}
+            return schema
+
+        application.openapi = openapi_avec_logo  # type: ignore[method-assign]
+
+        @application.get("/docs", include_in_schema=False)
+        async def docs_swagger(_: Request) -> HTMLResponse:
+            return get_swagger_ui_html(
+                openapi_url="/openapi.json",
+                title=f"{application.title} · Swagger UI",
+                swagger_favicon_url=LOGO_URL,
+            )
+
+        @application.get("/redoc", include_in_schema=False)
+        async def docs_redoc(_: Request) -> HTMLResponse:
+            return get_redoc_html(
+                openapi_url="/openapi.json",
+                title=f"{application.title} · ReDoc",
+                redoc_favicon_url=LOGO_URL,
+            )
+
     application.add_middleware(SecurityHeadersMiddleware)
 
     if resolved.allowed_origins:

apps/backend/app/models/__init__.py

@@ -4,6 +4,8 @@
 from app.models.audit_log import AuditLog
 from app.models.energy import Alert, Dataset, Prediction, Reading, Recommendation, Site
 from app.models.login_attempt import LoginAttempt
+from app.models.password_reset_attempt import PasswordResetAttempt
+from app.models.password_reset_token import PasswordResetToken
 from app.models.refresh_token import RefreshToken
 from app.models.user import AppUser
 
@@ -13,6 +15,8 @@ __all__ = [
     "AuditLog",
     "Dataset",
     "LoginAttempt",
+    "PasswordResetAttempt",
+    "PasswordResetToken",
     "Prediction",
     "Reading",
     "Recommendation",

apps/backend/app/models/audit_log.py

@@ -29,6 +29,8 @@ class AuditAction(StrEnum):
     COMPTE_ACTIVE = "user.enabled"
     COMPTE_MOT_DE_PASSE_REINITIALISE = "user.password_reset_by_admin"
     COMPTE_MOT_DE_PASSE_CHANGE = "user.password_changed"
+    MOT_DE_PASSE_OUBLIE_DEMANDE = "auth.password_reset_requested"
+    MOT_DE_PASSE_REINITIALISE_PAR_SOI = "auth.password_reset_self_service"
     REFRESH_REUTILISE = "auth.refresh_reuse_detected"
     SESSIONS_REVOQUEES = "auth.all_sessions_revoked"
     LIMITE_PAR_IDENTIFIANT = "auth.identifier_throttled"

apps/backend/app/models/password_reset_attempt.py

@@ -0,0 +1,27 @@
+# Pourquoi : même séparation que `login_attempt` par rapport à `audit_log` : ce compteur est
+# piloté par l'attaquant (une campagne de demandes) et se purge, l'audit log est en ajout seul.
+# Piège : la tentative est enregistrée même quand l'email est inconnu, sinon le 429 apprendrait
+# qu'un compte existe.
+
+from datetime import datetime
+
+from sqlalchemy import BigInteger, DateTime, Identity, Index, String, func
+from sqlalchemy.dialects.postgresql import INET
+from sqlalchemy.orm import Mapped, mapped_column
+
+from app.db.base import Base
+
+
+class PasswordResetAttempt(Base):
+    __tablename__ = "password_reset_attempt"
+    __table_args__ = (
+        Index("ix_password_reset_attempt_email_date", "email_tried", "occurred_at"),
+        Index("ix_password_reset_attempt_ip_date", "client_ip", "occurred_at"),
+    )
+
+    id: Mapped[int] = mapped_column(BigInteger, Identity(always=True), primary_key=True)
+    occurred_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True), nullable=False, server_default=func.now()
+    )
+    email_tried: Mapped[str] = mapped_column(String(320), nullable=False)
+    client_ip: Mapped[str | None] = mapped_column(INET, nullable=True)

apps/backend/app/models/password_reset_token.py

@@ -0,0 +1,40 @@
+# Pourquoi : même schéma que `refresh_token` (chaîne opaque, jamais un JWT) pour la même
+# raison : un jeton de réinitialisation doit être révocable d'un coup, et un JWT ne figure
+# dans aucune ligne à invalider.
+
+import uuid
+from datetime import datetime
+
+from sqlalchemy import DateTime, ForeignKey, Index, LargeBinary, Text, func
+from sqlalchemy.dialects.postgresql import INET
+from sqlalchemy.dialects.postgresql import UUID as PG_UUID
+from sqlalchemy.orm import Mapped, mapped_column
+
+from app.db.base import Base
+
+
+class PasswordResetToken(Base):
+    __tablename__ = "password_reset_token"
+    __table_args__ = (
+        Index("ix_password_reset_token_user", "user_id"),
+        Index(
+            "ix_password_reset_token_vivants",
+            "user_id",
+            postgresql_where="consumed_at is null",
+        ),
+    )
+
+    id: Mapped[uuid.UUID] = mapped_column(
+        PG_UUID(as_uuid=True), primary_key=True, server_default=func.gen_random_uuid()
+    )
+    user_id: Mapped[uuid.UUID] = mapped_column(
+        PG_UUID(as_uuid=True), ForeignKey("app_user.id", ondelete="CASCADE"), nullable=False
+    )
+    token_hash: Mapped[bytes] = mapped_column(LargeBinary, nullable=False, unique=True)
+    issued_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True), nullable=False, server_default=func.now()
+    )
+    expires_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)
+    consumed_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
+    client_ip: Mapped[str | None] = mapped_column(INET, nullable=True)
+    user_agent: Mapped[str | None] = mapped_column(Text, nullable=True)

apps/backend/app/repositories/password_reset_attempt.py

@@ -0,0 +1,42 @@
+from dataclasses import dataclass
+from datetime import UTC, datetime, timedelta
+
+from sqlalchemy import func, select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.models.password_reset_attempt import PasswordResetAttempt
+
+
+@dataclass(frozen=True, slots=True)
+class ResetRequestCounts:
+    per_identifier: int
+    per_ip: int
+
+
+class PasswordResetAttemptRepository:
+    def __init__(self, session: AsyncSession) -> None:
+        self._session = session
+
+    async def record(self, *, email: str, client_ip: str | None) -> None:
+        self._session.add(
+            PasswordResetAttempt(email_tried=email.strip().lower(), client_ip=client_ip)
+        )
+
+    async def count_recent(
+        self, *, email: str, client_ip: str | None, window_seconds: int
+    ) -> ResetRequestCounts:
+        identifiant = email.strip().lower()
+        meme_email = PasswordResetAttempt.email_tried == identifiant
+        meme_ip = PasswordResetAttempt.client_ip == client_ip
+
+        requete = select(
+            func.count().filter(meme_email),
+            func.count().filter(meme_ip),
+        ).where(
+            PasswordResetAttempt.occurred_at
+            > datetime.now(UTC) - timedelta(seconds=window_seconds),
+            meme_email | meme_ip,
+        )
+
+        par_identifiant, par_ip = (await self._session.execute(requete)).one()
+        return ResetRequestCounts(per_identifier=par_identifiant, per_ip=par_ip)

apps/backend/app/repositories/password_reset_token.py

@@ -0,0 +1,78 @@
+# Piège : `consume()` est une seule instruction, sur le modèle de `claim_for_rotation()` du
+# jeton de rafraîchissement. Un SELECT puis un UPDATE laisseraient une fenêtre où deux
+# soumissions concurrentes du même lien réussiraient toutes les deux.
+
+from dataclasses import dataclass
+from datetime import datetime
+from uuid import UUID
+
+from sqlalchemy import func, select, update
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.models.password_reset_token import PasswordResetToken
+
+
+@dataclass(frozen=True, slots=True)
+class ConsumedResetToken:
+    id: UUID
+    user_id: UUID
+
+
+class PasswordResetTokenRepository:
+    def __init__(self, session: AsyncSession) -> None:
+        self._session = session
+
+    async def create(
+        self,
+        *,
+        user_id: UUID,
+        token_hash: bytes,
+        expires_at: datetime,
+        client_ip: str | None,
+        user_agent: str | None,
+    ) -> PasswordResetToken:
+        jeton = PasswordResetToken(
+            user_id=user_id,
+            token_hash=token_hash,
+            expires_at=expires_at,
+            client_ip=client_ip,
+            user_agent=user_agent,
+        )
+        self._session.add(jeton)
+        await self._session.flush()
+        return jeton
+
+    async def consume(self, token_hash: bytes) -> ConsumedResetToken | None:
+        requete = (
+            update(PasswordResetToken)
+            .where(
+                PasswordResetToken.token_hash == token_hash,
+                PasswordResetToken.consumed_at.is_(None),
+                PasswordResetToken.expires_at > func.clock_timestamp(),
+            )
+            .values(consumed_at=func.clock_timestamp())
+            .returning(PasswordResetToken.id, PasswordResetToken.user_id)
+        )
+        ligne = (await self._session.execute(requete)).one_or_none()
+        if ligne is None:
+            return None
+        return ConsumedResetToken(id=ligne.id, user_id=ligne.user_id)
+
+    # Piège : simple SELECT, volontairement pas atomique avec la consommation. Sert seulement
+    # au feedback UX (jeton encore valide ?) ; `consume()` reste la seule source de vérité.
+    async def exists_valid(self, token_hash: bytes) -> bool:
+        requete = select(PasswordResetToken.id).where(
+            PasswordResetToken.token_hash == token_hash,
+            PasswordResetToken.consumed_at.is_(None),
+            PasswordResetToken.expires_at > func.clock_timestamp(),
+        )
+        return (await self._session.execute(requete)).first() is not None
+
+    async def invalidate_all_for_user(self, user_id: UUID) -> int:
+        resultat = await self._session.execute(
+            update(PasswordResetToken)
+            .where(PasswordResetToken.user_id == user_id, PasswordResetToken.consumed_at.is_(None))
+            .values(consumed_at=func.clock_timestamp())
+            .returning(PasswordResetToken.id)
+        )
+        return len(resultat.all())

apps/backend/app/repositories/reading.py

@@ -1,4 +1,5 @@
 from collections.abc import Sequence
+from datetime import datetime
 
 from sqlalchemy import select
 from sqlalchemy.ext.asyncio import AsyncSession
@@ -12,10 +13,43 @@ class ReadingRepository:
 
     async def latest_by_site(self) -> Sequence[Reading]:
         # `.distinct(site_id)` compile en `DISTINCT ON (site_id)` sous PostgreSQL : une seule
-        # ligne par site, la plus récente grâce à l'ordre composite qui suit.
+        # ligne par site, la plus récente grâce à l'ordre composite qui suit. `reading_id` départage
+        # les égalités de timestamp, que `uq_reading_source` autorise à `source` différente.
         requete = (
             select(Reading)
             .distinct(Reading.site_id)
-            .order_by(Reading.site_id, Reading.timestamp.desc())
+            .order_by(Reading.site_id, Reading.timestamp.desc(), Reading.reading_id.desc())
         )
         return (await self._session.execute(requete)).scalars().all()
+
+    async def latest_for_site(self, site_id: str) -> Reading | None:
+        # Piège : `uq_reading_source` autorise deux lignes au même `site_id`+`timestamp` quand la
+        # `source` diffère. Sans `reading_id` en départage, le `LIMIT 1` renverrait au hasard.
+        requete = (
+            select(Reading)
+            .where(Reading.site_id == site_id)
+            .order_by(Reading.timestamp.desc(), Reading.reading_id.desc())
+            .limit(1)
+        )
+        lecture: Reading | None = await self._session.scalar(requete)
+        return lecture
+
+    async def list_history(
+        self,
+        *,
+        start: datetime,
+        end: datetime,
+        site_id: str | None = None,
+        limit: int,
+        offset: int,
+    ) -> Sequence[Reading]:
+        requete = (
+            select(Reading)
+            .where(Reading.timestamp >= start, Reading.timestamp < end)
+            .order_by(Reading.timestamp.desc(), Reading.reading_id.desc())
+            .limit(limit)
+            .offset(offset)
+        )
+        if site_id is not None:
+            requete = requete.where(Reading.site_id == site_id)
+        return (await self._session.scalars(requete)).all()

apps/backend/app/schemas/auth.py

@@ -1,17 +1,45 @@
 # Contrainte : le mot de passe est borné à 128 caractères. Sans plafond, une chaîne de dix
 # mégaoctets ferait travailler Argon2 gratuitement, à la charge du serveur.
+# Contrainte : `SPECIAL_CHARACTERS` doit rester identique à `password.validator.ts` côté
+# frontend. `\w`/`\d` divergent entre Python (Unicode) et JavaScript (ASCII) : une classe
+# explicite, plutôt qu'une négation, évite qu'un mot de passe soit accepté d'un côté et
+# rejeté de l'autre (ex. "Sécurité1", où "é" comptait comme "spécial" pour Python seul).
 
+import re
 from typing import Literal, Self
 from uuid import UUID
 
-from pydantic import BaseModel, ConfigDict, EmailStr, Field
+from pydantic import BaseModel, ConfigDict, EmailStr, Field, field_validator
 
 from app.core.principal import Principal
 from app.core.roles import AccountKind, Role
 
-PASSWORD_MIN_LENGTH = 12
+PASSWORD_MIN_LENGTH = 8
 PASSWORD_MAX_LENGTH = 128
 
+SPECIAL_CHARACTERS = "!@#$%^&*()-_=+[]{};:,.?"
+
+_MAJUSCULE = re.compile(r"[A-ZÀ-ÖØ-Þ]")
+_MINUSCULE = re.compile(r"[a-zà-öø-þ]")
+_CHIFFRE = re.compile(r"[0-9]")
+_SPECIAL = re.compile(r"[" + re.escape(SPECIAL_CHARACTERS) + r"]")
+
+
+def valide_complexite(mot_de_passe: str) -> str:
+    manquants = [
+        nom
+        for nom, motif in (
+            ("une majuscule", _MAJUSCULE),
+            ("une minuscule", _MINUSCULE),
+            ("un chiffre", _CHIFFRE),
+            ("un caractère spécial", _SPECIAL),
+        )
+        if not motif.search(mot_de_passe)
+    ]
+    if manquants:
+        raise ValueError(f"Le mot de passe doit contenir au moins {', '.join(manquants)}")
+    return mot_de_passe
+
 
 class LoginRequest(BaseModel):
     email: EmailStr
@@ -22,6 +50,25 @@ class PasswordChangeRequest(BaseModel):
     current_password: str = Field(min_length=1, max_length=PASSWORD_MAX_LENGTH)
     new_password: str = Field(min_length=PASSWORD_MIN_LENGTH, max_length=PASSWORD_MAX_LENGTH)
 
+    @field_validator("new_password")
+    @classmethod
+    def _new_password_est_complexe(cls, valeur: str) -> str:
+        return valide_complexite(valeur)
+
+
+class ForgotPasswordRequest(BaseModel):
+    email: EmailStr
+
+
+class ResetPasswordRequest(BaseModel):
+    token: str = Field(min_length=1)
+    new_password: str = Field(min_length=PASSWORD_MIN_LENGTH, max_length=PASSWORD_MAX_LENGTH)
+
+    @field_validator("new_password")
+    @classmethod
+    def _new_password_est_complexe(cls, valeur: str) -> str:
+        return valide_complexite(valeur)
+
 
 class PrincipalResponse(BaseModel):
     model_config = ConfigDict(from_attributes=True)
@@ -37,6 +84,10 @@ class PrincipalResponse(BaseModel):
         return cls.model_validate(principal)
 
 
+class ResetTokenValidationResponse(BaseModel):
+    valid: bool
+
+
 class TokenResponse(BaseModel):
     access_token: str
     token_type: Literal["bearer"] = "bearer"  # noqa: S105

apps/backend/app/schemas/reading.py

@@ -0,0 +1,45 @@
+from datetime import datetime
+from decimal import Decimal
+from enum import StrEnum
+from typing import Any
+
+from pydantic import BaseModel, ConfigDict
+
+
+class ReadingSource(StrEnum):
+    CSV = "csv"
+    API_CURRENT = "api_current"
+    API_HISTORY = "api_history"
+
+
+class ReadingDataQuality(StrEnum):
+    GOOD = "good"
+    PARTIAL = "partial"
+    DEGRADED = "degraded"
+    CRITICAL = "critical"
+
+
+class ReadingResponse(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    reading_id: int
+    site_id: str
+    timestamp: datetime
+    source: ReadingSource
+    consumption_kw: float | None
+    consumption_kwh: float | None
+    # Piège : `Decimal` (miroir de `Numeric(14, 2)` en base, pour ne pas arrondir un montant)
+    # sérialise en chaîne dans le JSON, pas en nombre — un consommateur qui ferait un `parseFloat`
+    # naïf perdrait la précision que ce choix visait à garder.
+    consumption_euros: Decimal | None
+    voltage_v: float | None
+    current_a: float | None
+    power_factor: float | None
+    temperature_celsius: float | None
+    humidity_percent: float | None
+    solar_irradiance_wm2: float | None
+    is_working_hours: bool | None
+    data_quality: ReadingDataQuality | None
+    null_reasons: list[str] | None
+    imputed_values: dict[str, Any] | None
+    imputation_method: str | None

apps/backend/app/schemas/site.py

@@ -1,3 +1,6 @@
+from datetime import datetime
+from typing import Literal
+
 from pydantic import BaseModel, ConfigDict
 
 
@@ -10,3 +13,20 @@ class SiteResponse(BaseModel):
     location: str | None
     capacity_kw: float | None
     status: str | None
+
+
+class SiteCurrentResponse(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    timestamp: datetime | None
+    site_id: str
+    site_type: str
+    consumption_kw: float | None
+    consumption_kwh: float | None
+    voltage_v: float | None
+    current_a: float | None
+    power_factor: float | None
+    temperature_celsius: float | None
+    humidity_percent: float | None
+    null_reasons: list[str]
+    data_quality: Literal["good", "partial", "degraded", "critical"]

apps/backend/app/services/auth.py

@@ -14,7 +14,11 @@ from datetime import UTC, datetime, timedelta
 from typing import NoReturn, Protocol
 from uuid import UUID, uuid4
 
+from fastapi import BackgroundTasks
+
 from app.core.hashing import Argon2Hasher
+from app.core.logging import get_logger
+from app.core.mailer import Mailer
 from app.core.principal import Principal
 from app.core.roles import AccountKind, Role
 from app.core.security import (
@@ -28,9 +32,13 @@ from app.models.login_attempt import LoginOutcome
 from app.models.refresh_token import RevocationReason
 from app.repositories.audit_log import AuditLogRepository
 from app.repositories.login_attempt import LoginAttemptRepository
+from app.repositories.password_reset_attempt import PasswordResetAttemptRepository
+from app.repositories.password_reset_token import PasswordResetTokenRepository
 from app.repositories.refresh_token import RefreshTokenRepository
 from app.repositories.user import UserRepository
 
+logger = get_logger(__name__)
+
 
 class Transaction(Protocol):
     async def commit(self) -> None: ...
@@ -54,6 +62,10 @@ class RateLimitedError(AuthError):
         self.retry_after = retry_after
 
 
+class InvalidOrExpiredResetTokenError(AuthError):
+    pass
+
+
 @dataclass(frozen=True, slots=True)
 class LoginPolicy:
     window_seconds: int
@@ -62,6 +74,15 @@ class LoginPolicy:
     max_failures_per_identifier: int
 
 
+@dataclass(frozen=True, slots=True)
+class PasswordResetPolicy:
+    window_seconds: int
+    max_requests_per_identifier: int
+    max_requests_per_ip: int
+    token_ttl: timedelta
+    frontend_reset_url: str
+
+
 @dataclass(frozen=True, slots=True)
 class AuthenticatedSession:
     principal: Principal
@@ -83,6 +104,10 @@ class AuthService:
         token_policy: TokenPolicy,
         login_policy: LoginPolicy,
         refresh_ttl: timedelta,
+        reset_tokens: PasswordResetTokenRepository,
+        reset_attempts: PasswordResetAttemptRepository,
+        reset_policy: PasswordResetPolicy,
+        mailer: Mailer,
     ) -> None:
         self._users = users
         self._attempts = attempts
@@ -93,6 +118,10 @@ class AuthService:
         self._token_policy = token_policy
         self._login_policy = login_policy
         self._refresh_ttl = refresh_ttl
+        self._reset_tokens = reset_tokens
+        self._reset_attempts = reset_attempts
+        self._reset_policy = reset_policy
+        self._mailer = mailer
 
     async def authenticate(
         self, *, email: str, password: str, client_ip: str | None, user_agent: str | None
@@ -200,6 +229,102 @@ class AuthService:
         rafraichi = await self._users.get_by_id(principal.id)
         return self._session(self._en_principal(rafraichi or compte), secret)
 
+    async def request_password_reset(
+        self,
+        *,
+        email: str,
+        client_ip: str | None,
+        user_agent: str | None,
+        background_tasks: BackgroundTasks,
+    ) -> None:
+        await self._refuse_si_limite_reset(email=email, client_ip=client_ip)
+
+        compte = await self._users.get_by_email(email)
+        # Piège : le hachage factice équilibre le temps de réponse sur un compte inconnu, comme
+        # `authenticate()`. La réponse et sa forme restent identiques dans tous les cas : compte
+        # inconnu, compte inactif, ou email envoyé avec succès. L'envoi SMTP lui-même est différé
+        # en tâche de fond : le laisser dans le chemin de réponse rouvrirait le même oracle par le
+        # temps (aller-retour réseau) et par la forme (500 si le relais SMTP échoue, contre 202).
+        if compte is None or not compte.is_active or compte.kind != AccountKind.HUMAIN.value:
+            await self._hasher.verify_dummy()
+            await self._reset_attempts.record(email=email, client_ip=client_ip)
+            await self._transaction.commit()
+            return
+
+        await self._reset_tokens.invalidate_all_for_user(compte.id)
+        secret = generate_refresh_secret()
+        await self._reset_tokens.create(
+            user_id=compte.id,
+            token_hash=fingerprint_refresh(secret),
+            expires_at=datetime.now(UTC) + self._reset_policy.token_ttl,
+            client_ip=client_ip,
+            user_agent=user_agent,
+        )
+        await self._reset_attempts.record(email=email, client_ip=client_ip)
+        await self._audit.record(
+            action=AuditAction.MOT_DE_PASSE_OUBLIE_DEMANDE,
+            actor_label=compte.email,
+            target_type="app_user",
+            target_id=str(compte.id),
+            client_ip=client_ip,
+            user_agent=user_agent,
+        )
+        await self._transaction.commit()
+
+        lien = f"{self._reset_policy.frontend_reset_url}?token={secret}"
+        background_tasks.add_task(self._envoie_email_reset, compte.email, lien)
+
+    async def _envoie_email_reset(self, email: str, reset_url: str) -> None:
+        try:
+            await self._mailer.send_password_reset_email(to=email, reset_url=reset_url)
+        except Exception:
+            logger.exception("auth.password_reset.mail_failed")
+
+    # Piège : lecture seule, pas d'appel à `consume()`. Aucune limitation de débit n'est
+    # nécessaire ici : le jeton est un secret de 256 bits (`generate_refresh_secret`), donc
+    # non brute-forçable, et cette route n'apprend rien sur l'existence d'un compte ou d'un
+    # email, seulement si le lien déjà en main du visiteur est encore valide.
+    async def is_reset_token_valid(self, token: str) -> bool:
+        return await self._reset_tokens.exists_valid(fingerprint_refresh(token))
+
+    async def confirm_password_reset(
+        self, *, token: str, new_password: str, client_ip: str | None, user_agent: str | None
+    ) -> AuthenticatedSession:
+        revendique = await self._reset_tokens.consume(fingerprint_refresh(token))
+        if revendique is None:
+            raise InvalidOrExpiredResetTokenError("Lien invalide ou expiré")
+
+        # Piège : le jeton peut avoir été émis avant une désactivation du compte. Sans cette
+        # relecture, un lien encore valide (15 min) changerait quand même le mot de passe d'un
+        # compte désactivé, réutilisable dès sa réactivation.
+        compte = await self._users.get_by_id(revendique.user_id)
+        if compte is None or not compte.is_active or compte.kind != AccountKind.HUMAIN.value:
+            raise InvalidOrExpiredResetTokenError("Lien invalide ou expiré")
+
+        await self._users.update_password(
+            revendique.user_id, await self._hasher.hash(new_password), must_change_password=False
+        )
+        revoquees = await self._refresh.revoke_all_for_user(
+            revendique.user_id, RevocationReason.CHANGEMENT_MOT_DE_PASSE
+        )
+        secret = await self._ouvre_une_famille(
+            user_id=revendique.user_id, client_ip=client_ip, user_agent=user_agent
+        )
+        await self._audit.record(
+            action=AuditAction.MOT_DE_PASSE_REINITIALISE_PAR_SOI,
+            target_type="app_user",
+            target_id=str(revendique.user_id),
+            client_ip=client_ip,
+            user_agent=user_agent,
+            detail={"sessions_revoquees": revoquees},
+        )
+        await self._transaction.commit()
+
+        compte = await self._users.get_by_id(revendique.user_id)
+        if compte is None:
+            raise SessionRejectedError("Compte introuvable")
+        return self._session(self._en_principal(compte), secret)
+
     async def logout_all(self, principal: Principal) -> int:
         revoquees = await self._refresh.revoke_all_for_user(
             principal.id, RevocationReason.DECONNEXION
@@ -307,6 +432,23 @@ class AuthService:
         await self._transaction.commit()
         raise RateLimitedError(politique.window_seconds)
 
+    async def _refuse_si_limite_reset(self, *, email: str, client_ip: str | None) -> None:
+        politique = self._reset_policy
+        compteurs = await self._reset_attempts.count_recent(
+            email=email, client_ip=client_ip, window_seconds=politique.window_seconds
+        )
+
+        depasse = (
+            compteurs.per_identifier >= politique.max_requests_per_identifier
+            or compteurs.per_ip >= politique.max_requests_per_ip
+        )
+        if not depasse:
+            return
+
+        await self._reset_attempts.record(email=email, client_ip=client_ip)
+        await self._transaction.commit()
+        raise RateLimitedError(politique.window_seconds)
+
     async def _echoue(
         self,
         email: str,

apps/backend/app/services/data_quality.py

@@ -0,0 +1,18 @@
+# Contrainte : `ck_reading_quality` accepte NULL et quatre valeurs seulement, alors que le contrat
+# frontend n'a aucune valeur pour l'absence de qualité. `qualite_ou_critique()` replie donc sur
+# `critical`, la seule des quatre qui n'induise pas une confiance qu'on n'a pas. `QUALITES_CONNUES`
+# reste exposé pour les appelants qui doivent distinguer un `critical` stocké d'un repli.
+
+from typing import Literal, get_args
+
+DataQuality = Literal["good", "partial", "degraded", "critical"]
+
+QUALITES_CONNUES: frozenset[str] = frozenset(get_args(DataQuality))
+
+_PAR_VALEUR: dict[str, DataQuality] = {valeur: valeur for valeur in get_args(DataQuality)}
+
+
+def qualite_ou_critique(valeur: str | None) -> DataQuality:
+    if valeur is None:
+        return "critical"
+    return _PAR_VALEUR.get(valeur, "critical")

apps/backend/app/services/reading.py

@@ -0,0 +1,59 @@
+from collections.abc import Sequence
+from datetime import UTC, datetime, timedelta
+
+from app.models.energy import Reading
+from app.repositories.reading import ReadingRepository
+
+FENETRE_PAR_DEFAUT = timedelta(hours=24)
+FENETRE_MAXIMALE = timedelta(days=90)
+
+
+class FenetreInverseeError(Exception):
+    """`start` est postérieur ou égal à `end`."""
+
+
+class FenetreTropLargeError(Exception):
+    """L'écart entre `start` et `end` dépasse `FENETRE_MAXIMALE`."""
+
+
+class ReadingService:
+    def __init__(self, *, readings: ReadingRepository) -> None:
+        self._readings = readings
+
+    async def list_history(
+        self,
+        *,
+        site_id: str | None = None,
+        start: datetime | None = None,
+        end: datetime | None = None,
+        limit: int,
+        offset: int,
+    ) -> Sequence[Reading]:
+        debut, fin = self._resoudre_fenetre(start, end)
+        return await self._readings.list_history(
+            site_id=site_id, start=debut, end=fin, limit=limit, offset=offset
+        )
+
+    @staticmethod
+    def _resoudre_fenetre(
+        start: datetime | None, end: datetime | None
+    ) -> tuple[datetime, datetime]:
+        # Piège : un datetime naïf (sans fuseau dans la chaîne ISO reçue) fait échouer la
+        # comparaison à `reading.timestamp` (`timestamptz`) au niveau du pilote, en 500 plutôt
+        # qu'un refus propre. On le traite comme de l'UTC plutôt que de le rejeter.
+        debut = _vers_utc(start)
+        fin = _vers_utc(end) or datetime.now(UTC)
+        if debut is None:
+            debut = fin - FENETRE_PAR_DEFAUT
+
+        if debut >= fin:
+            raise FenetreInverseeError
+        if fin - debut > FENETRE_MAXIMALE:
+            raise FenetreTropLargeError
+        return debut, fin
+
+
+def _vers_utc(instant: datetime | None) -> datetime | None:
+    if instant is None:
+        return None
+    return instant if instant.tzinfo is not None else instant.replace(tzinfo=UTC)

apps/backend/app/services/sensor.py

@@ -5,12 +5,11 @@ from typing import Literal
 from app.models.energy import Reading, Site
 from app.repositories.reading import ReadingRepository
 from app.repositories.site import SiteRepository
+from app.services.data_quality import qualite_ou_critique
 
 CapteurStatus = Literal["ok", "failing"]
 OverallStatus = Literal["ok", "degraded", "critical"]
 
-QUALITES_CONNUES: frozenset[str] = frozenset({"good", "partial", "degraded", "critical"})
-
 RAISON_VERS_CAPTEUR: dict[str, str] = {
     "consumption_sensor_failure": "consumption",
     "electrical_sensor_failure": "electrical",
@@ -80,7 +79,7 @@ def _sante_site(site: Site, derniere: Reading | None) -> SanteSite:
             overall="critical",
         )
 
-    qualite = derniere.data_quality if derniere.data_quality in QUALITES_CONNUES else "critical"
+    qualite = qualite_ou_critique(derniere.data_quality)
     overall = _overall_depuis_qualite(qualite)
 
     if overall == "critical":

apps/backend/app/services/site.py

@@ -1,7 +1,11 @@
 from collections.abc import Sequence
+from dataclasses import dataclass
+from datetime import datetime
 
 from app.models.energy import Site
+from app.repositories.reading import ReadingRepository
 from app.repositories.site import SiteRepository
+from app.services.data_quality import DataQuality, qualite_ou_critique
 
 
 class SiteError(Exception):
@@ -12,9 +16,26 @@ class SiteNotFoundError(SiteError):
     pass
 
 
+@dataclass(frozen=True, slots=True)
+class SiteCurrentReading:
+    timestamp: datetime | None
+    site_id: str
+    site_type: str
+    consumption_kw: float | None
+    consumption_kwh: float | None
+    voltage_v: float | None
+    current_a: float | None
+    power_factor: float | None
+    temperature_celsius: float | None
+    humidity_percent: float | None
+    null_reasons: list[str]
+    data_quality: DataQuality
+
+
 class SiteService:
-    def __init__(self, *, sites: SiteRepository) -> None:
+    def __init__(self, *, sites: SiteRepository, readings: ReadingRepository) -> None:
         self._sites = sites
+        self._readings = readings
 
     async def list_all(self) -> Sequence[Site]:
         return await self._sites.list_all()
@@ -24,3 +45,38 @@ class SiteService:
         if site is None:
             raise SiteNotFoundError(site_id)
         return site
+
+    async def current(self, site_id: str) -> SiteCurrentReading:
+        site = await self.get_by_id(site_id)
+        derniere = await self._readings.latest_for_site(site_id)
+
+        if derniere is None:
+            return SiteCurrentReading(
+                timestamp=None,
+                site_id=site.site_id,
+                site_type=site.site_type,
+                consumption_kw=None,
+                consumption_kwh=None,
+                voltage_v=None,
+                current_a=None,
+                power_factor=None,
+                temperature_celsius=None,
+                humidity_percent=None,
+                null_reasons=[],
+                data_quality="critical",
+            )
+
+        return SiteCurrentReading(
+            timestamp=derniere.timestamp,
+            site_id=site.site_id,
+            site_type=site.site_type,
+            consumption_kw=derniere.consumption_kw,
+            consumption_kwh=derniere.consumption_kwh,
+            voltage_v=derniere.voltage_v,
+            current_a=derniere.current_a,
+            power_factor=derniere.power_factor,
+            temperature_celsius=derniere.temperature_celsius,
+            humidity_percent=derniere.humidity_percent,
+            null_reasons=derniere.null_reasons or [],
+            data_quality=qualite_ou_critique(derniere.data_quality),
+        )

apps/backend/app/services/stats.py

@@ -1,14 +1,10 @@
 from dataclasses import dataclass
 from datetime import UTC, datetime
-from typing import Literal
 
 from app.models.energy import Reading, Site
 from app.repositories.reading import ReadingRepository
 from app.repositories.site import SiteRepository
-
-DataQuality = Literal["good", "partial", "degraded", "critical"]
-
-QUALITES_CONNUES: frozenset[str] = frozenset({"good", "partial", "degraded", "critical"})
+from app.services.data_quality import QUALITES_CONNUES, DataQuality, qualite_ou_critique
 
 
 @dataclass(frozen=True, slots=True)
@@ -58,13 +54,10 @@ class StatsService:
     @staticmethod
     def _resume_site(site: Site, derniere: Reading | None) -> SiteConsumption:
         capacite = site.capacity_kw or 0
-        # Piège : `data_quality` est nul dès qu'un site n'a jamais reçu de lecture, ou que le
-        # producteur n'a pas su la qualifier. Le contrat frontend n'a pas de valeur pour ce cas,
-        # `critical` est la seule des quatre qui n'induit pas une confiance qu'on n'a pas.
         qualite: DataQuality = "critical"
         consommation = None
         if derniere is not None and derniere.data_quality in QUALITES_CONNUES:
-            qualite = derniere.data_quality  # type: ignore[assignment]
+            qualite = qualite_ou_critique(derniere.data_quality)
             consommation = derniere.consumption_kw
 
         charge = (

apps/backend/openapi.json

@@ -4,7 +4,11 @@
     "title": "EnerVision API",
     "summary": "Collecte, analyse et restitution de séries temporelles énergétiques.",
     "description": "\nToutes les routes sont préfixées par `/api/v1`.\n\n**Authentification.** Le jeton d'accès se présente dans l'en-tête `Authorization: Bearer ...`.\nLe jeton de rafraîchissement est un cookie `HttpOnly` que le code client ne voit jamais : il\nsuffit d'émettre les requêtes avec les identifiants de session. `POST /auth/refresh` rend un\nnouveau jeton d'accès et fait tourner le cookie.\n\n**Rôles.** `lecteur`, puis `operateur`, puis `admin`. Chaque rôle couvre les droits du\nprécédent.\n\n**Erreurs.** Le corps porte toujours une clé `detail`. Un `403` dont le `detail` vaut\n`password_change_required` n'est pas un refus de droits : il exige le changement du mot de passe\nprovisoire avant toute autre action.\n\nLe parcours de session complet est décrit dans\n`docs/architecture/31-contrat-authentification.md`.\n",
-    "version": "0.1.0"
+    "version": "0.1.0",
+    "x-logo": {
+      "url": "/static/logo-icon.png",
+      "altText": "EnerVision"
+    }
   },
   "paths": {
     "/api/v1/health/live": {
@@ -424,6 +428,196 @@
         ]
       }
     },
+    "/api/v1/auth/forgot-password": {
+      "post": {
+        "tags": [
+          "auth"
+        ],
+        "summary": "Demande un lien de réinitialisation par email",
+        "operationId": "forgot_password_api_v1_auth_forgot_password_post",
+        "requestBody": {
+          "content": {
+            "application/json": {
+              "schema": {
+                "$ref": "#/components/schemas/ForgotPasswordRequest"
+              }
+            }
+          },
+          "required": true
+        },
+        "responses": {
+          "202": {
+            "description": "Successful Response",
+            "content": {
+              "application/json": {
+                "schema": {}
+              }
+            }
+          },
+          "500": {
+            "description": "Erreur interne. `correlation` identifie la trace côté serveur, qui n'est pas renvoyée au client.",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/InternalErrorResponse"
+                }
+              }
+            }
+          },
+          "422": {
+            "description": "Corps invalide. Le détail nomme le champ fautif et le type d'erreur, jamais la valeur envoyée.",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/ValidationErrorResponse"
+                }
+              }
+            }
+          },
+          "429": {
+            "description": "Trop de demandes sur cette fenêtre glissante.",
+            "headers": {
+              "Retry-After": {
+                "description": "Secondes à attendre avant une nouvelle tentative.",
+                "schema": {
+                  "type": "integer"
+                }
+              }
+            },
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/ErrorResponse"
+                }
+              }
+            }
+          }
+        }
+      }
+    },
+    "/api/v1/auth/reset-password/validate": {
+      "get": {
+        "tags": [
+          "auth"
+        ],
+        "summary": "Vérifie sans le consommer si un lien de réinitialisation est encore valide",
+        "operationId": "validate_reset_token_api_v1_auth_reset_password_validate_get",
+        "parameters": [
+          {
+            "name": "token",
+            "in": "query",
+            "required": true,
+            "schema": {
+              "type": "string",
+              "title": "Token"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "Successful Response",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/ResetTokenValidationResponse"
+                }
+              }
+            }
+          },
+          "500": {
+            "description": "Erreur interne. `correlation` identifie la trace côté serveur, qui n'est pas renvoyée au client.",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/InternalErrorResponse"
+                }
+              }
+            }
+          },
+          "422": {
+            "description": "Corps invalide. Le détail nomme le champ fautif et le type d'erreur, jamais la valeur envoyée.",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/ValidationErrorResponse"
+                }
+              }
+            }
+          }
+        }
+      }
+    },
+    "/api/v1/auth/reset-password": {
+      "post": {
+        "tags": [
+          "auth"
+        ],
+        "summary": "Choisit un nouveau mot de passe depuis un lien reçu par email",
+        "operationId": "reset_password_api_v1_auth_reset_password_post",
+        "requestBody": {
+          "content": {
+            "application/json": {
+              "schema": {
+                "$ref": "#/components/schemas/ResetPasswordRequest"
+              }
+            }
+          },
+          "required": true
+        },
+        "responses": {
+          "200": {
+            "description": "Successful Response",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/TokenResponse"
+                }
+              }
+            }
+          },
+          "500": {
+            "description": "Erreur interne. `correlation` identifie la trace côté serveur, qui n'est pas renvoyée au client.",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/InternalErrorResponse"
+                }
+              }
+            }
+          },
+          "422": {
+            "description": "Corps invalide. Le détail nomme le champ fautif et le type d'erreur, jamais la valeur envoyée.",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/ValidationErrorResponse"
+                }
+              }
+            }
+          },
+          "403": {
+            "description": "Origine non autorisée (protection CSRF de `require_trusted_origin`).",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/ErrorResponse"
+                }
+              }
+            }
+          },
+          "400": {
+            "description": "Lien invalide, déjà utilisé, ou expiré (durée de vie : 15 minutes).",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/ErrorResponse"
+                }
+              }
+            }
+          }
+        }
+      }
+    },
     "/api/v1/users": {
       "get": {
         "tags": [
@@ -921,6 +1115,93 @@
         }
       }
     },
+    "/api/v1/sites/{site_id}/current": {
+      "get": {
+        "tags": [
+          "sites"
+        ],
+        "summary": "Dernière mesure d'un site",
+        "operationId": "get_current_api_v1_sites__site_id__current_get",
+        "security": [
+          {
+            "Jeton d'accès": []
+          }
+        ],
+        "parameters": [
+          {
+            "name": "site_id",
+            "in": "path",
+            "required": true,
+            "schema": {
+              "type": "string",
+              "title": "Site Id"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "Successful Response",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/SiteCurrentResponse"
+                }
+              }
+            }
+          },
+          "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": "Mot de passe provisoire à changer (`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"
+                }
+              }
+            }
+          },
+          "404": {
+            "description": "Aucun site ne porte cet identifiant.",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/ErrorResponse"
+                }
+              }
+            }
+          }
+        }
+      }
+    },
     "/api/v1/alerts": {
       "get": {
         "tags": [
@@ -1228,6 +1509,161 @@
         ]
       }
     },
+    "/api/v1/readings": {
+      "get": {
+        "tags": [
+          "readings"
+        ],
+        "summary": "Liste l'historique des lectures",
+        "operationId": "list_readings_api_v1_readings_get",
+        "security": [
+          {
+            "Jeton d'accès": []
+          }
+        ],
+        "parameters": [
+          {
+            "name": "site_id",
+            "in": "query",
+            "required": false,
+            "schema": {
+              "anyOf": [
+                {
+                  "type": "string"
+                },
+                {
+                  "type": "null"
+                }
+              ],
+              "title": "Site Id"
+            }
+          },
+          {
+            "name": "start",
+            "in": "query",
+            "required": false,
+            "schema": {
+              "anyOf": [
+                {
+                  "type": "string",
+                  "format": "date-time"
+                },
+                {
+                  "type": "null"
+                }
+              ],
+              "title": "Start"
+            }
+          },
+          {
+            "name": "end",
+            "in": "query",
+            "required": false,
+            "schema": {
+              "anyOf": [
+                {
+                  "type": "string",
+                  "format": "date-time"
+                },
+                {
+                  "type": "null"
+                }
+              ],
+              "title": "End"
+            }
+          },
+          {
+            "name": "limit",
+            "in": "query",
+            "required": false,
+            "schema": {
+              "type": "integer",
+              "maximum": 2000,
+              "minimum": 1,
+              "default": 500,
+              "title": "Limit"
+            }
+          },
+          {
+            "name": "offset",
+            "in": "query",
+            "required": false,
+            "schema": {
+              "type": "integer",
+              "minimum": 0,
+              "default": 0,
+              "title": "Offset"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "Successful Response",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "type": "array",
+                  "items": {
+                    "$ref": "#/components/schemas/ReadingResponse"
+                  },
+                  "title": "Response List Readings Api V1 Readings Get"
+                }
+              }
+            }
+          },
+          "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": "Mot de passe provisoire à changer (`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"
+                }
+              }
+            }
+          },
+          "400": {
+            "description": "Fenêtre temporelle invalide : `start` postérieur ou égal à `end`, ou écart entre les deux supérieur à 90 jours.",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/ErrorResponse"
+                }
+              }
+            }
+          }
+        }
+      }
+    },
     "/api/v1/sensors/status": {
       "get": {
         "tags": [
@@ -1432,6 +1868,20 @@
         ],
         "title": "FieldError"
       },
+      "ForgotPasswordRequest": {
+        "properties": {
+          "email": {
+            "type": "string",
+            "format": "email",
+            "title": "Email"
+          }
+        },
+        "type": "object",
+        "required": [
+          "email"
+        ],
+        "title": "ForgotPasswordRequest"
+      },
       "InternalErrorResponse": {
         "properties": {
           "detail": {
@@ -1511,7 +1961,7 @@
           "new_password": {
             "type": "string",
             "maxLength": 128,
-            "minLength": 12,
+            "minLength": 8,
             "title": "New Password"
           }
         },
@@ -1580,6 +2030,225 @@
         ],
         "title": "ReadinessStatus"
       },
+      "ReadingDataQuality": {
+        "type": "string",
+        "enum": [
+          "good",
+          "partial",
+          "degraded",
+          "critical"
+        ],
+        "title": "ReadingDataQuality"
+      },
+      "ReadingResponse": {
+        "properties": {
+          "reading_id": {
+            "type": "integer",
+            "title": "Reading Id"
+          },
+          "site_id": {
+            "type": "string",
+            "title": "Site Id"
+          },
+          "timestamp": {
+            "type": "string",
+            "format": "date-time",
+            "title": "Timestamp"
+          },
+          "source": {
+            "$ref": "#/components/schemas/ReadingSource"
+          },
+          "consumption_kw": {
+            "anyOf": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "null"
+              }
+            ],
+            "title": "Consumption Kw"
+          },
+          "consumption_kwh": {
+            "anyOf": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "null"
+              }
+            ],
+            "title": "Consumption Kwh"
+          },
+          "consumption_euros": {
+            "anyOf": [
+              {
+                "type": "string",
+                "pattern": "^(?!^[-+.]*$)[+-]?0*\\d*\\.?\\d*$"
+              },
+              {
+                "type": "null"
+              }
+            ],
+            "title": "Consumption Euros"
+          },
+          "voltage_v": {
+            "anyOf": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "null"
+              }
+            ],
+            "title": "Voltage V"
+          },
+          "current_a": {
+            "anyOf": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "null"
+              }
+            ],
+            "title": "Current A"
+          },
+          "power_factor": {
+            "anyOf": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "null"
+              }
+            ],
+            "title": "Power Factor"
+          },
+          "temperature_celsius": {
+            "anyOf": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "null"
+              }
+            ],
+            "title": "Temperature Celsius"
+          },
+          "humidity_percent": {
+            "anyOf": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "null"
+              }
+            ],
+            "title": "Humidity Percent"
+          },
+          "solar_irradiance_wm2": {
+            "anyOf": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "null"
+              }
+            ],
+            "title": "Solar Irradiance Wm2"
+          },
+          "is_working_hours": {
+            "anyOf": [
+              {
+                "type": "boolean"
+              },
+              {
+                "type": "null"
+              }
+            ],
+            "title": "Is Working Hours"
+          },
+          "data_quality": {
+            "anyOf": [
+              {
+                "$ref": "#/components/schemas/ReadingDataQuality"
+              },
+              {
+                "type": "null"
+              }
+            ]
+          },
+          "null_reasons": {
+            "anyOf": [
+              {
+                "items": {
+                  "type": "string"
+                },
+                "type": "array"
+              },
+              {
+                "type": "null"
+              }
+            ],
+            "title": "Null Reasons"
+          },
+          "imputed_values": {
+            "anyOf": [
+              {
+                "additionalProperties": true,
+                "type": "object"
+              },
+              {
+                "type": "null"
+              }
+            ],
+            "title": "Imputed Values"
+          },
+          "imputation_method": {
+            "anyOf": [
+              {
+                "type": "string"
+              },
+              {
+                "type": "null"
+              }
+            ],
+            "title": "Imputation Method"
+          }
+        },
+        "type": "object",
+        "required": [
+          "reading_id",
+          "site_id",
+          "timestamp",
+          "source",
+          "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"
+        ],
+        "title": "ReadingResponse"
+      },
+      "ReadingSource": {
+        "type": "string",
+        "enum": [
+          "csv",
+          "api_current",
+          "api_history"
+        ],
+        "title": "ReadingSource"
+      },
       "RecommendationResponse": {
         "properties": {
           "recommendation_id": {
@@ -1619,6 +2288,40 @@
         ],
         "title": "RecommendationResponse"
       },
+      "ResetPasswordRequest": {
+        "properties": {
+          "token": {
+            "type": "string",
+            "minLength": 1,
+            "title": "Token"
+          },
+          "new_password": {
+            "type": "string",
+            "maxLength": 128,
+            "minLength": 8,
+            "title": "New Password"
+          }
+        },
+        "type": "object",
+        "required": [
+          "token",
+          "new_password"
+        ],
+        "title": "ResetPasswordRequest"
+      },
+      "ResetTokenValidationResponse": {
+        "properties": {
+          "valid": {
+            "type": "boolean",
+            "title": "Valid"
+          }
+        },
+        "type": "object",
+        "required": [
+          "valid"
+        ],
+        "title": "ResetTokenValidationResponse"
+      },
       "Role": {
         "type": "string",
         "enum": [
@@ -1681,6 +2384,140 @@
         ],
         "title": "SensorStatusResponse"
       },
+      "SiteCurrentResponse": {
+        "properties": {
+          "timestamp": {
+            "anyOf": [
+              {
+                "type": "string",
+                "format": "date-time"
+              },
+              {
+                "type": "null"
+              }
+            ],
+            "title": "Timestamp"
+          },
+          "site_id": {
+            "type": "string",
+            "title": "Site Id"
+          },
+          "site_type": {
+            "type": "string",
+            "title": "Site Type"
+          },
+          "consumption_kw": {
+            "anyOf": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "null"
+              }
+            ],
+            "title": "Consumption Kw"
+          },
+          "consumption_kwh": {
+            "anyOf": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "null"
+              }
+            ],
+            "title": "Consumption Kwh"
+          },
+          "voltage_v": {
+            "anyOf": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "null"
+              }
+            ],
+            "title": "Voltage V"
+          },
+          "current_a": {
+            "anyOf": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "null"
+              }
+            ],
+            "title": "Current A"
+          },
+          "power_factor": {
+            "anyOf": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "null"
+              }
+            ],
+            "title": "Power Factor"
+          },
+          "temperature_celsius": {
+            "anyOf": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "null"
+              }
+            ],
+            "title": "Temperature Celsius"
+          },
+          "humidity_percent": {
+            "anyOf": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "null"
+              }
+            ],
+            "title": "Humidity Percent"
+          },
+          "null_reasons": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array",
+            "title": "Null Reasons"
+          },
+          "data_quality": {
+            "type": "string",
+            "enum": [
+              "good",
+              "partial",
+              "degraded",
+              "critical"
+            ],
+            "title": "Data Quality"
+          }
+        },
+        "type": "object",
+        "required": [
+          "timestamp",
+          "site_id",
+          "site_type",
+          "consumption_kw",
+          "consumption_kwh",
+          "voltage_v",
+          "current_a",
+          "power_factor",
+          "temperature_celsius",
+          "humidity_percent",
+          "null_reasons",
+          "data_quality"
+        ],
+        "title": "SiteCurrentResponse"
+      },
       "SiteResponse": {
         "properties": {
           "site_id": {
@@ -2129,6 +2966,10 @@
       "name": "stats",
       "description": "Statistiques agrégées de consommation. Accessible à partir du rôle `lecteur`."
     },
+    {
+      "name": "readings",
+      "description": "Historique des lectures de consommation. Fenêtre temporelle plafonnée à 90 jours, 24 dernières heures par défaut si `start`/`end` sont omis. Accessible à partir du rôle `lecteur`."
+    },
     {
       "name": "sensors",
       "description": "État de santé des capteurs par site. Réservé au rôle `admin`."

apps/backend/pyproject.toml

@@ -16,6 +16,7 @@ dependencies = [
     "pyjwt>=2.10",
     "argon2-cffi>=23.1",
     "anyio>=4.0",
+    "aiosmtplib>=5.1.3",
     "pandas>=3.0.5",
 ]
 

apps/backend/tests/api/acces.py

@@ -0,0 +1,86 @@
+# Pourquoi : classification unique des routes du contrat, lue par test_route_protection.py,
+# test_openapi.py et test_matrice_acces.py. Trois listes séparées dérivaient auparavant chacune
+# de leur côté, et deux entrées de ROUTES_A_ROLE ne correspondaient plus à aucune route sans que
+# rien ne le signale.
+# Piège : les trois ensembles doivent rester disjoints et couvrir tout le schéma. C'est
+# `test_every_declared_route_is_classified` qui le vérifie, pas la relecture.
+
+from typing import Final
+
+from app.core.roles import Role
+
+Route = tuple[str, str]
+
+ROUTES_PUBLIQUES: Final[frozenset[Route]] = frozenset(
+    {
+        ("GET", "/api/v1/health/live"),
+        ("GET", "/api/v1/health/ready"),
+        ("POST", "/api/v1/auth/login"),
+        # Sans cookie, la déconnexion ne fait rien et répond 204 : elle est idempotente.
+        ("POST", "/api/v1/auth/logout"),
+        ("POST", "/api/v1/auth/forgot-password"),
+        # Protégée par le jeton dans le corps de la requête, pas par un `Principal` : aucune
+        # authentification préalable ne s'applique, c'est la validité du jeton qui tranche.
+        ("POST", "/api/v1/auth/reset-password"),
+        # Même raison : lecture seule, protégée par le jeton passé en paramètre, pas par un
+        # `Principal`. Le jeton est un secret de 256 bits, non brute-forçable.
+        ("GET", "/api/v1/auth/reset-password/validate"),
+        ("GET", "/metrics"),
+    }
+)
+
+# Le cookie opaque porte seul l'autorisation : sans lui la route rend 401, mais aucun `Principal`
+# n'est construit et `require_role` n'entre jamais en jeu.
+ROUTE_COOKIE: Final[frozenset[Route]] = frozenset({("POST", "/api/v1/auth/refresh")})
+
+# Authentifiées par `CurrentPrincipalDep` nu, donc hors de `require_role` et, avec lui, hors du
+# refus `password_change_required`. Volontaire pour `/auth/password`, qui est la sortie de l'état
+# provisoire ; subi pour `/auth/logout-all`, cf. test_matrice_acces.py.
+ROUTES_SANS_ROLE: Final[frozenset[Route]] = frozenset(
+    {
+        ("GET", "/api/v1/auth/me"),
+        ("POST", "/api/v1/auth/password"),
+        ("POST", "/api/v1/auth/logout-all"),
+    }
+)
+
+ROLE_MINIMUM: Final[dict[Route, Role]] = {
+    ("GET", "/api/v1/sites"): Role.LECTEUR,
+    ("GET", "/api/v1/sites/{site_id}"): Role.LECTEUR,
+    ("GET", "/api/v1/sites/{site_id}/current"): Role.LECTEUR,
+    ("GET", "/api/v1/alerts"): Role.LECTEUR,
+    ("GET", "/api/v1/recommendations"): Role.LECTEUR,
+    ("GET", "/api/v1/recommendations/{recommendation_id}"): Role.LECTEUR,
+    ("GET", "/api/v1/stats/summary"): Role.LECTEUR,
+    ("GET", "/api/v1/readings"): Role.LECTEUR,
+    ("GET", "/api/v1/sensors/status"): Role.ADMIN,
+    ("GET", "/api/v1/users"): Role.ADMIN,
+    ("POST", "/api/v1/users"): Role.ADMIN,
+    ("PATCH", "/api/v1/users/{user_id}"): Role.ADMIN,
+    ("POST", "/api/v1/users/{user_id}/password-reset"): Role.ADMIN,
+}
+
+# Piège : `{recommendation_id}` est typé `int` et `{user_id}` est un UUID. Une substitution
+# uniforme par une chaîne quelconque rendrait 422 avant d'atteindre la garde de rôle, et le test
+# passerait en prouvant autre chose que ce qu'il annonce.
+SUBSTITUTIONS: Final[dict[str, str]] = {
+    "{user_id}": "00000000-0000-0000-0000-000000000000",
+    "{site_id}": "site-absent-du-jeu-de-donnees",
+    "{recommendation_id}": "999999999",
+}
+
+
+def chemin_concret(chemin: str) -> str:
+    for gabarit, valeur in SUBSTITUTIONS.items():
+        chemin = chemin.replace(gabarit, valeur)
+    return chemin
+
+
+def routes_du_schema(schema: dict[str, object]) -> list[Route]:
+    chemins: dict[str, dict[str, object]] = schema["paths"]  # type: ignore[assignment]
+    return [
+        (methode.upper(), chemin)
+        for chemin, operations in chemins.items()
+        for methode in operations
+        if methode.upper() in {"GET", "POST", "PATCH", "PUT", "DELETE"}
+    ]

apps/backend/tests/api/test_auth.py

@@ -11,6 +11,7 @@ from app.core.roles import AccountKind, Role
 from app.services.auth import (
     AuthenticatedSession,
     InvalidCredentialsError,
+    InvalidOrExpiredResetTokenError,
     RateLimitedError,
     SessionRejectedError,
 )
@@ -27,15 +28,27 @@ PRINCIPAL = Principal(
 
 
 class FauxService:
-    def __init__(self, erreur: Exception | None = None) -> None:
+    def __init__(self, erreur: Exception | None = None, *, jeton_valide: bool = True) -> None:
         self._erreur = erreur
+        self._jeton_valide = jeton_valide
 
     async def refresh(self, **_: object) -> AuthenticatedSession:
         return await self.authenticate()
 
+    async def is_reset_token_valid(self, **_: object) -> bool:
+        return self._jeton_valide
+
     async def logout(self, **_: object) -> None:
         return None
 
+    async def request_password_reset(self, **_: object) -> None:
+        if self._erreur is not None:
+            raise self._erreur
+        return None
+
+    async def confirm_password_reset(self, **_: object) -> AuthenticatedSession:
+        return await self.authenticate()
+
     async def authenticate(self, **_: object) -> AuthenticatedSession:
         if self._erreur is not None:
             raise self._erreur
@@ -206,3 +219,126 @@ async def test_a_cookie_bearing_route_accepts_a_request_without_origin(
     response = await client.post("/api/v1/auth/logout")
 
     assert response.status_code != 403
+
+
+async def test_forgot_password_answers_202_when_the_account_exists(
+    fake_auth_service: list[Exception | None], client: AsyncClient
+) -> None:
+    response = await client.post(
+        "/api/v1/auth/forgot-password", json={"email": "operateur@enervision.fr"}
+    )
+
+    assert response.status_code == 202
+    assert response.headers["cache-control"] == "no-store"
+
+
+async def test_forgot_password_answers_202_identically_when_the_account_is_unknown(
+    fake_auth_service: list[Exception | None], client: AsyncClient
+) -> None:
+    response = await client.post(
+        "/api/v1/auth/forgot-password", json={"email": "inconnu@enervision.fr"}
+    )
+
+    assert response.status_code == 202
+
+
+async def test_forgot_password_returns_429_with_a_retry_after_when_the_rate_limit_is_reached(
+    fake_auth_service: list[Exception | None], client: AsyncClient
+) -> None:
+    fake_auth_service[0] = RateLimitedError(900)
+
+    response = await client.post(
+        "/api/v1/auth/forgot-password", json={"email": "operateur@enervision.fr"}
+    )
+
+    assert response.status_code == 429
+    assert response.headers["retry-after"] == "900"
+
+
+async def test_forgot_password_rejects_a_malformed_email(
+    fake_auth_service: list[Exception | None], client: AsyncClient
+) -> None:
+    response = await client.post("/api/v1/auth/forgot-password", json={"email": "pas-un-email"})
+
+    assert response.status_code == 422
+
+
+@pytest.fixture
+def fake_auth_service_reset_validity(app: FastAPI) -> Iterator[list[bool]]:
+    programme = [True]
+    app.dependency_overrides[get_auth_service] = lambda: FauxService(jeton_valide=programme[0])
+    yield programme
+    app.dependency_overrides.pop(get_auth_service, None)
+
+
+async def test_validate_reset_token_reports_a_living_token(
+    fake_auth_service_reset_validity: list[bool], client: AsyncClient
+) -> None:
+    response = await client.get(
+        "/api/v1/auth/reset-password/validate", params={"token": "un-secret-opaque"}
+    )
+
+    assert response.status_code == 200
+    assert response.json() == {"valid": True}
+
+
+async def test_validate_reset_token_reports_an_invalid_or_expired_token(
+    fake_auth_service_reset_validity: list[bool], client: AsyncClient
+) -> None:
+    fake_auth_service_reset_validity[0] = False
+
+    response = await client.get(
+        "/api/v1/auth/reset-password/validate", params={"token": "un-secret-perime"}
+    )
+
+    assert response.status_code == 200
+    assert response.json() == {"valid": False}
+
+
+async def test_reset_password_returns_the_token_and_the_cookie_on_success(
+    fake_auth_service: list[Exception | None], client: AsyncClient
+) -> None:
+    response = await client.post(
+        "/api/v1/auth/reset-password",
+        json={"token": "un-secret-opaque", "new_password": "Un-nouveau-mot-de-passe1!"},
+    )
+
+    assert response.status_code == 200
+    assert response.cookies.get("ev_refresh") is not None
+    assert "refresh_secret" not in response.text
+
+
+async def test_reset_password_rejects_an_invalid_or_expired_token(
+    fake_auth_service: list[Exception | None], client: AsyncClient
+) -> None:
+    fake_auth_service[0] = InvalidOrExpiredResetTokenError("Lien invalide ou expiré")
+
+    response = await client.post(
+        "/api/v1/auth/reset-password",
+        json={"token": "un-secret-perime", "new_password": "Un-nouveau-mot-de-passe1!"},
+    )
+
+    assert response.status_code == 400
+
+
+async def test_reset_password_rejects_a_weak_password(
+    fake_auth_service: list[Exception | None], client: AsyncClient
+) -> None:
+    response = await client.post(
+        "/api/v1/auth/reset-password",
+        json={"token": "un-secret-opaque", "new_password": "trop-simple"},
+    )
+
+    assert response.status_code == 422
+
+
+async def test_reset_password_refuses_a_foreign_origin(
+    fake_auth_service: list[Exception | None], client: AsyncClient
+) -> None:
+    response = await client.post(
+        "/api/v1/auth/reset-password",
+        json={"token": "un-secret-opaque", "new_password": "Un-nouveau-mot-de-passe1!"},
+        headers={"Origin": "https://malveillant.example"},
+    )
+
+    assert response.status_code == 403

apps/backend/tests/api/test_matrice_acces.py

@@ -0,0 +1,279 @@
+# Pourquoi : la matrice rôle x route sur les routes réelles. `test_authorization.py` la joue déjà,
+# mais contre une route jetable montée par une fixture, ce qui ne dit rien du niveau effectivement
+# posé sur `/sites` ou `/users`. `ROLE_MINIMUM` (tests/api/acces.py) est la référence, et ce
+# fichier est ce qui la confronte au comportement observé.
+# Piège : l'assertion porte sur le refus de la garde, pas sur un 200. Un rôle suffisant peut
+# légitimement recevoir 404 ou 422 selon les données ; ce qui compte est qu'il ne reçoive pas le
+# 403 `Droits insuffisants`. Sans cette nuance, le test dépendrait du contenu de la base.
+# Les tests `integration` en fin de fichier rejouent la même matrice avec de vrais jetons, donc en
+# traversant le décodage du JWT et la relecture du compte, ce que l'override court-circuite.
+
+import uuid
+from collections.abc import AsyncIterator, Callable, Iterator
+
+import pytest
+from fastapi import FastAPI
+from httpx import AsyncClient, Response
+from sqlalchemy import text
+
+from app.api.deps import get_current_principal
+from app.core.hashing import build_hasher
+from app.core.principal import Principal
+from app.core.roles import AccountKind, Role, has_at_least
+from app.db.session import get_session, get_session_factory
+from app.repositories.user import UserRepository
+from tests.api.acces import ROLE_MINIMUM, chemin_concret
+
+ROLES = [Role.LECTEUR, Role.OPERATEUR, Role.ADMIN]
+IDS_DE_ROLE = ["lecteur", "operateur", "admin"]
+REFUS_DE_DROITS = "Droits insuffisants"
+REFUS_DE_MOT_DE_PASSE = "password_change_required"
+MOT_DE_PASSE = "un-mot-de-passe-de-recette"
+
+
+# `FakeSession` de tests/factories.py rend un unique objet pour les trois formes d'appel, ce qui
+# suffit à un test d'endpoint ciblé mais pas à balayer 13 routes qui interrogent chacune la base
+# à sa façon. Ce double rend un résultat vide quelle que soit la forme demandée, pour que la
+# réponse observée vienne de la garde de rôle et jamais d'un double mal ajusté.
+class ResultatVide:
+    def scalars(self) -> ResultatVide:
+        return self
+
+    def all(self) -> list[object]:
+        return []
+
+    def first(self) -> None:
+        return None
+
+    def one_or_none(self) -> None:
+        return None
+
+    def scalar_one_or_none(self) -> None:
+        return None
+
+    def mappings(self) -> ResultatVide:
+        return self
+
+    def __iter__(self) -> Iterator[object]:
+        return iter(())
+
+
+class SessionMuette:
+    async def scalar(self, *_: object, **__: object) -> None:
+        return None
+
+    async def execute(self, *_: object, **__: object) -> ResultatVide:
+        return ResultatVide()
+
+    async def scalars(self, *_: object, **__: object) -> ResultatVide:
+        return ResultatVide()
+
+    async def get(self, *_: object, **__: object) -> None:
+        return None
+
+    async def flush(self) -> None:
+        return None
+
+    async def commit(self) -> None:
+        return None
+
+    async def rollback(self) -> None:
+        return None
+
+    def add(self, *_: object, **__: object) -> None:
+        return None
+
+
+@pytest.fixture
+def base_muette(app: FastAPI) -> None:
+    async def override() -> AsyncIterator[SessionMuette]:
+        yield SessionMuette()
+
+    app.dependency_overrides[get_session] = override
+
+
+def principal(role: Role, *, must_change_password: bool = False) -> Principal:
+    return Principal(
+        id=uuid.uuid4(),
+        email=f"matrice-{role.value}@enervision.fr",
+        role=role,
+        kind=AccountKind.HUMAIN,
+        must_change_password=must_change_password,
+    )
+
+
+@pytest.fixture
+def connecte(app: FastAPI) -> Iterator[Callable[[Principal], None]]:
+    def installe(acteur: Principal) -> None:
+        app.dependency_overrides[get_current_principal] = lambda: acteur
+
+    yield installe
+    app.dependency_overrides.pop(get_current_principal, None)
+
+
+async def appelle(client: AsyncClient, methode: str, chemin: str, **kwargs: object) -> Response:
+    return await client.request(methode, chemin_concret(chemin), json={}, **kwargs)  # type: ignore[arg-type]
+
+
+def motif_du_refus(response: Response) -> str | None:
+    if response.status_code != 403:
+        return None
+    detail = response.json().get("detail")
+    return detail if isinstance(detail, str) else None
+
+
+@pytest.mark.parametrize("role", ROLES, ids=IDS_DE_ROLE)
+async def test_a_role_below_the_minimum_is_refused_on_every_guarded_route(
+    connecte: Callable[[Principal], None],
+    client: AsyncClient,
+    base_muette: None,
+    role: Role,
+) -> None:
+    connecte(principal(role))
+    laissees_passer: list[tuple[str, str, int]] = []
+
+    for (methode, chemin), minimum in ROLE_MINIMUM.items():
+        if has_at_least(role, minimum):
+            continue
+        response = await appelle(client, methode, chemin)
+        if motif_du_refus(response) != REFUS_DE_DROITS:
+            laissees_passer.append((methode, chemin, response.status_code))
+
+    assert laissees_passer == []
+
+
+# Le pendant du test précédent : sans lui, une garde posée trop haut, par exemple `AdminDep` sur
+# `/sites`, ne ferait échouer aucun test du dépôt.
+@pytest.mark.parametrize("role", ROLES, ids=IDS_DE_ROLE)
+async def test_a_role_at_or_above_the_minimum_is_never_refused_by_the_guard(
+    connecte: Callable[[Principal], None],
+    client: AsyncClient,
+    base_muette: None,
+    role: Role,
+) -> None:
+    connecte(principal(role))
+    refusees: list[tuple[str, str]] = []
+
+    for (methode, chemin), minimum in ROLE_MINIMUM.items():
+        if not has_at_least(role, minimum):
+            continue
+        response = await appelle(client, methode, chemin)
+        if motif_du_refus(response) == REFUS_DE_DROITS:
+            refusees.append((methode, chemin))
+
+    assert refusees == []
+
+
+async def test_a_pending_password_change_is_refused_on_every_guarded_route(
+    connecte: Callable[[Principal], None],
+    client: AsyncClient,
+    base_muette: None,
+) -> None:
+    connecte(principal(Role.ADMIN, must_change_password=True))
+    laissees_passer: list[tuple[str, str, int]] = []
+
+    for methode, chemin in ROLE_MINIMUM:
+        response = await appelle(client, methode, chemin)
+        if motif_du_refus(response) != REFUS_DE_MOT_DE_PASSE:
+            laissees_passer.append((methode, chemin, response.status_code))
+
+    assert laissees_passer == []
+
+
+@pytest.fixture
+async def comptes_par_role() -> AsyncIterator[dict[Role, str]]:
+    marque = uuid.uuid4().hex[:12]
+    hacheur = build_hasher(time_cost=1, memory_cost_kib=8192, parallelism=1, max_concurrency=2)
+    empreinte = await hacheur.hash(MOT_DE_PASSE)
+    adresses = {role: f"matrice-{marque}-{role.value}@enervision.fr" for role in ROLES}
+
+    async with get_session_factory()() as session:
+        depot = UserRepository(session)
+        for role, email in adresses.items():
+            await depot.create(email=email, password_hash=empreinte, role=role)
+        await session.commit()
+
+    yield adresses
+
+    async with get_session_factory()() as session:
+        await session.execute(
+            text("delete from app_user where email like :motif"), {"motif": f"matrice-{marque}-%"}
+        )
+        await session.commit()
+
+
+async def authentifie(client: AsyncClient, email: str) -> dict[str, str]:
+    reponse = await client.post(
+        "/api/v1/auth/login", json={"email": email, "password": MOT_DE_PASSE}
+    )
+    assert reponse.status_code == 200, reponse.text
+    return {"Authorization": f"Bearer {reponse.json()['access_token']}"}
+
+
+@pytest.mark.integration
+@pytest.mark.parametrize("role", ROLES, ids=IDS_DE_ROLE)
+async def test_a_real_token_reaches_exactly_the_routes_of_its_rank(
+    comptes_par_role: dict[Role, str], client: AsyncClient, role: Role
+) -> None:
+    entetes = await authentifie(client, comptes_par_role[role])
+    ecarts: list[tuple[str, str, int, str]] = []
+
+    for (methode, chemin), minimum in ROLE_MINIMUM.items():
+        response = await appelle(client, methode, chemin, headers=entetes)
+        refuse = motif_du_refus(response) == REFUS_DE_DROITS
+        if refuse is has_at_least(role, minimum):
+            ecarts.append((methode, chemin, response.status_code, response.text[:120]))
+
+    assert ecarts == []
+
+
+# Contrainte : `operateur` n'ouvre aujourd'hui aucune route de plus que `lecteur`, faute d'écriture
+# métier dans l'API. Figer l'égalité rend la régression visible le jour où une route d'opérateur
+# arrive sans que `ROLE_MINIMUM` soit mis à jour.
+@pytest.mark.integration
+async def test_the_operator_rank_opens_nothing_more_than_the_reader_rank(
+    comptes_par_role: dict[Role, str], client: AsyncClient
+) -> None:
+    lecteur = await authentifie(client, comptes_par_role[Role.LECTEUR])
+    operateur = await authentifie(client, comptes_par_role[Role.OPERATEUR])
+    divergences: list[tuple[str, str]] = []
+
+    for methode, chemin in ROLE_MINIMUM:
+        cote_lecteur = await appelle(client, methode, chemin, headers=lecteur)
+        cote_operateur = await appelle(client, methode, chemin, headers=operateur)
+        if cote_lecteur.status_code != cote_operateur.status_code:
+            divergences.append((methode, chemin))
+
+    assert divergences == []
+
+
+# Piège : `/auth/logout-all` prend un `CurrentPrincipalDep` nu, donc elle échappe au gate
+# `must_change_password` que seul `require_role` applique. Comportement figé ici, pas corrigé.
+@pytest.mark.integration
+async def test_a_temporary_password_blocks_the_business_routes_but_not_logout_all(
+    client: AsyncClient,
+) -> None:
+    marque = uuid.uuid4().hex[:12]
+    email = f"matrice-{marque}-provisoire@enervision.fr"
+    hacheur = build_hasher(time_cost=1, memory_cost_kib=8192, parallelism=1, max_concurrency=2)
+    empreinte = await hacheur.hash(MOT_DE_PASSE)
+
+    async with get_session_factory()() as session:
+        await UserRepository(session).create(
+            email=email, password_hash=empreinte, role=Role.ADMIN, must_change_password=True
+        )
+        await session.commit()
+
+    try:
+        entetes = await authentifie(client, email)
+        sites = await client.get("/api/v1/sites", headers=entetes)
+        identite = await client.get("/api/v1/auth/me", headers=entetes)
+        fermeture = await client.post("/api/v1/auth/logout-all", headers=entetes)
+
+        assert motif_du_refus(sites) == REFUS_DE_MOT_DE_PASSE
+        assert identite.status_code == 200
+        assert fermeture.status_code == 204
+    finally:
+        async with get_session_factory()() as session:
+            await session.execute(text("delete from app_user where email = :e"), {"e": email})
+            await session.commit()

apps/backend/tests/api/test_openapi.py

@@ -8,6 +8,7 @@ from typing import Any
 import pytest
 
 from app import cli
+from tests.api.acces import ROLE_MINIMUM
 
 METHODES = {"get", "post", "patch", "put", "delete"}
 
@@ -24,19 +25,11 @@ ORIGINE_VERIFIEE = {
 
 # Toute route derrière `require_role` (LecteurDep, OperateurDep, AdminDep) peut rendre 403 pour
 # `password_change_required`, pas seulement les routes `admin`.
-ROUTES_A_ROLE = {
-    ("GET", "/api/v1/users"),
-    ("POST", "/api/v1/users"),
-    ("PATCH", "/api/v1/users/{id}"),
-    ("POST", "/api/v1/users/{id}/password-reset"),
-    ("GET", "/api/v1/sites"),
-    ("GET", "/api/v1/sites/{site_id}"),
-    ("GET", "/api/v1/alerts"),
-    ("GET", "/api/v1/recommendations"),
-    ("GET", "/api/v1/recommendations/{recommendation_id}"),
-    ("GET", "/api/v1/stats/summary"),
-    ("GET", "/api/v1/sensors/status"),
-}
+# Piège : cette liste était recopiée ici, et deux de ses entrées portaient `{id}` là où le contrat
+# expose `{user_id}`. Elles ne correspondaient donc à aucune opération, et le test ci-dessous
+# passait au vert sans rien vérifier sur ces deux routes. Elle est maintenant dérivée, et
+# `test_every_declared_route_is_classified` interdit l'entrée morte.
+ROUTES_A_ROLE = frozenset(ROLE_MINIMUM)
 
 
 @pytest.fixture(scope="module")

apps/backend/tests/api/test_readings.py

@@ -0,0 +1,198 @@
+from collections.abc import Callable, Iterator
+from datetime import UTC, datetime
+from uuid import uuid4
+
+import pytest
+from fastapi import FastAPI
+from httpx import AsyncClient
+
+from app.api.deps import get_current_principal, get_reading_service
+from app.core.principal import Principal
+from app.core.roles import AccountKind, Role
+from app.models.energy import Reading
+from app.services.reading import FenetreInverseeError, FenetreTropLargeError
+
+
+def principal(role: Role = Role.LECTEUR) -> Principal:
+    return Principal(
+        id=uuid4(),
+        email=f"{role.value}@enervision.fr",
+        role=role,
+        kind=AccountKind.HUMAIN,
+        must_change_password=False,
+    )
+
+
+def reading(reading_id: int = 1, site_id: str = "site-1") -> Reading:
+    return Reading(
+        reading_id=reading_id,
+        site_id=site_id,
+        timestamp=datetime(2026, 9, 16, tzinfo=UTC),
+        source="api_current",
+        consumption_kw=42.5,
+        consumption_kwh=None,
+        consumption_euros=None,
+        voltage_v=230.0,
+        current_a=None,
+        power_factor=None,
+        temperature_celsius=None,
+        humidity_percent=None,
+        solar_irradiance_wm2=None,
+        is_working_hours=True,
+        data_quality="good",
+        null_reasons=None,
+        imputed_values=None,
+        imputation_method=None,
+        raw_data={},
+    )
+
+
+class FauxService:
+    def __init__(self, leve: Exception | None = None) -> None:
+        self.reading = reading()
+        self.leve = leve
+        self.appels: list[tuple[str | None, str | None, str | None, int, int]] = []
+
+    async def list_history(
+        self,
+        *,
+        site_id: str | None = None,
+        start: datetime | None = None,
+        end: datetime | None = None,
+        limit: int,
+        offset: int,
+    ) -> list[Reading]:
+        self.appels.append((site_id, start, end, limit, offset))
+        if self.leve is not None:
+            raise self.leve
+        return [self.reading]
+
+
+@pytest.fixture
+def lecteur_connecte(app: FastAPI) -> Iterator[None]:
+    app.dependency_overrides[get_current_principal] = lambda: principal()
+    yield
+    app.dependency_overrides.pop(get_current_principal, None)
+
+
+@pytest.fixture
+def servi(app: FastAPI, lecteur_connecte: None) -> Iterator[Callable[..., FauxService]]:
+    def installe(*, leve: Exception | None = None) -> FauxService:
+        service = FauxService(leve=leve)
+        app.dependency_overrides[get_reading_service] = lambda: service
+        return service
+
+    yield installe
+    app.dependency_overrides.pop(get_reading_service, None)
+
+
+async def test_list_readings_returns_the_readings(
+    servi: Callable[..., FauxService], client: AsyncClient
+) -> None:
+    servi()
+
+    response = await client.get("/api/v1/readings")
+
+    assert response.status_code == 200
+    corps = response.json()
+    assert corps == [
+        {
+            "reading_id": 1,
+            "site_id": "site-1",
+            "timestamp": "2026-09-16T00:00:00Z",
+            "source": "api_current",
+            "consumption_kw": 42.5,
+            "consumption_kwh": None,
+            "consumption_euros": None,
+            "voltage_v": 230.0,
+            "current_a": None,
+            "power_factor": None,
+            "temperature_celsius": None,
+            "humidity_percent": None,
+            "solar_irradiance_wm2": None,
+            "is_working_hours": True,
+            "data_quality": "good",
+            "null_reasons": None,
+            "imputed_values": None,
+            "imputation_method": None,
+        }
+    ]
+
+
+async def test_list_readings_transmits_the_filters_and_pagination(
+    servi: Callable[..., FauxService], client: AsyncClient
+) -> None:
+    service = servi()
+
+    response = await client.get(
+        "/api/v1/readings",
+        params={
+            "site_id": "site-1",
+            "start": "2026-09-01T00:00:00Z",
+            "end": "2026-09-02T00:00:00Z",
+            "limit": 50,
+            "offset": 10,
+        },
+    )
+
+    assert response.status_code == 200
+    assert service.appels == [
+        (
+            "site-1",
+            datetime(2026, 9, 1, tzinfo=UTC),
+            datetime(2026, 9, 2, tzinfo=UTC),
+            50,
+            10,
+        )
+    ]
+
+
+async def test_list_readings_returns_400_when_the_window_is_inverted(
+    servi: Callable[..., FauxService], client: AsyncClient
+) -> None:
+    servi(leve=FenetreInverseeError())
+
+    response = await client.get("/api/v1/readings")
+
+    assert response.status_code == 400
+
+
+async def test_list_readings_returns_400_when_the_window_is_too_large(
+    servi: Callable[..., FauxService], client: AsyncClient
+) -> None:
+    servi(leve=FenetreTropLargeError())
+
+    response = await client.get("/api/v1/readings")
+
+    assert response.status_code == 400
+
+
+async def test_list_readings_returns_422_for_a_limit_above_the_maximum(
+    servi: Callable[..., FauxService], client: AsyncClient
+) -> None:
+    servi()
+
+    response = await client.get("/api/v1/readings", params={"limit": 5000})
+
+    assert response.status_code == 422
+
+
+async def test_list_readings_returns_422_for_a_negative_offset(
+    servi: Callable[..., FauxService], client: AsyncClient
+) -> None:
+    servi()
+
+    response = await client.get("/api/v1/readings", params={"offset": -1})
+
+    assert response.status_code == 422
+
+
+async def test_list_readings_returns_an_empty_list_when_there_is_nothing(
+    lecteur_connecte: None, fake_session: Callable[..., None], client: AsyncClient
+) -> None:
+    fake_session(result=[])
+
+    response = await client.get("/api/v1/readings")
+
+    assert response.status_code == 200
+    assert response.json() == []

apps/backend/tests/api/test_route_protection.py

@@ -1,6 +1,6 @@
 # Ce test est le garde-fou de l'autorisation : rendre une route publique oblige à modifier
-# `ROUTES_PUBLIQUES` ci-dessous, ce qui apparaît en clair dans la diff d'une pull request et
-# demande une justification au relecteur.
+# `ROUTES_PUBLIQUES` dans `tests/api/acces.py`, ce qui apparaît en clair dans la diff d'une pull
+# request et demande une justification au relecteur.
 # Pourquoi : il interroge réellement chaque route sans jeton au lieu d'inspecter l'arbre de
 # dépendances. L'arbre n'est accessible que par l'API privée de FastAPI, et surtout une route
 # peut porter la bonne dépendance tout en répondant quand même.
@@ -11,51 +11,64 @@ import pytest
 from fastapi import FastAPI
 from httpx import AsyncClient
 
-ROUTES_PUBLIQUES = frozenset(
-    {
-        ("GET", "/api/v1/health/live"),
-        ("GET", "/api/v1/health/ready"),
-        ("POST", "/api/v1/auth/login"),
-        # Sans cookie, la déconnexion ne fait rien et répond 204 : elle est idempotente.
-        ("POST", "/api/v1/auth/logout"),
-        ("GET", "/metrics"),
-    }
+from tests.api.acces import (
+    ROLE_MINIMUM,
+    ROUTE_COOKIE,
+    ROUTES_PUBLIQUES,
+    ROUTES_SANS_ROLE,
+    Route,
+    chemin_concret,
+    routes_du_schema,
 )
 
-VALEURS_DE_SUBSTITUTION = "00000000-0000-0000-0000-000000000000"
 STATUTS_DE_REFUS = {401, 403}
+HORS_SCHEMA = {("GET", "/metrics")}
 
 
-def routes_declarees(app: FastAPI) -> list[tuple[str, str]]:
+def routes_declarees(app: FastAPI) -> list[Route]:
     schema: dict[str, Any] = app.openapi()
-    return [
-        (methode.upper(), chemin)
-        for chemin, operations in schema["paths"].items()
-        for methode in operations
-        if methode.upper() in {"GET", "POST", "PATCH", "PUT", "DELETE"}
-    ]
+    return routes_du_schema(schema)
 
 
-def routes_protegees(app: FastAPI) -> list[tuple[str, str]]:
+def routes_protegees(app: FastAPI) -> list[Route]:
     return [route for route in routes_declarees(app) if route not in ROUTES_PUBLIQUES]
 
 
 def test_the_public_allow_list_has_no_stale_entry(app: FastAPI) -> None:
-    declarees = set(routes_declarees(app)) | {("GET", "/metrics")}
+    declarees = set(routes_declarees(app)) | HORS_SCHEMA
 
     inconnues = ROUTES_PUBLIQUES - declarees
 
     assert inconnues == set()
 
 
+# Sans lui, une route ajoutée sans être classée n'est vue par aucun test de rôle : elle hérite
+# du seul contrôle anonyme, et une garde posée au mauvais niveau passe inaperçue.
+def test_every_declared_route_is_classified(app: FastAPI) -> None:
+    classees = ROUTES_PUBLIQUES | ROUTE_COOKIE | ROUTES_SANS_ROLE | set(ROLE_MINIMUM)
+
+    non_classees = set(routes_declarees(app)) - classees
+    fantomes = classees - set(routes_declarees(app)) - HORS_SCHEMA
+
+    assert non_classees == set(), "classer la route dans tests/api/acces.py"
+    assert fantomes == set(), "entrée morte : la route n'existe plus sous ce chemin"
+
+
+def test_the_four_classes_of_routes_stay_disjoint() -> None:
+    classes = [ROUTES_PUBLIQUES, ROUTE_COOKIE, ROUTES_SANS_ROLE, frozenset(ROLE_MINIMUM)]
+
+    for rang, classe in enumerate(classes):
+        for autre in classes[rang + 1 :]:
+            assert classe & autre == frozenset()
+
+
 async def test_every_route_rejects_an_anonymous_caller_unless_explicitly_public(
     app: FastAPI, client: AsyncClient
 ) -> None:
     ouvertes: list[tuple[str, str, int]] = []
 
     for methode, chemin in routes_protegees(app):
-        concret = chemin.replace("{user_id}", VALEURS_DE_SUBSTITUTION)
-        response = await client.request(methode, concret, json={})
+        response = await client.request(methode, chemin_concret(chemin), json={})
         if response.status_code not in STATUTS_DE_REFUS:
             ouvertes.append((methode, chemin, response.status_code))
 
@@ -74,3 +87,19 @@ async def test_the_declared_routes_are_actually_reachable(app: FastAPI) -> None:
 )
 def test_the_health_probes_stay_public(app: FastAPI, chemin: str) -> None:
     assert ("GET", chemin) in ROUTES_PUBLIQUES
+
+
+# Piège : ni les routes `include_in_schema=False` (/docs, /redoc) ni un `Mount` Starlette
+# (/static) n'apparaissent dans `app.openapi()["paths"]`. `routes_declarees()` ne les voit
+# donc jamais, et elles échapperaient silencieusement au garde-fou ci-dessus.
+@pytest.mark.parametrize(
+    "chemin",
+    ["/docs", "/redoc", "/static/logo-icon.png"],
+    ids=["swagger_ui", "redoc", "logo_statique"],
+)
+async def test_the_documentation_routes_are_public_by_design(
+    app: FastAPI, client: AsyncClient, chemin: str
+) -> None:
+    response = await client.get(chemin)
+
+    assert response.status_code == 200

apps/backend/tests/api/test_sites.py

@@ -1,4 +1,5 @@
 from collections.abc import Callable, Iterator
+from datetime import UTC, datetime
 from uuid import uuid4
 
 import pytest
@@ -9,7 +10,9 @@ from app.api.deps import get_current_principal, get_site_service
 from app.core.principal import Principal
 from app.core.roles import AccountKind, Role
 from app.models.energy import Site
-from app.services.site import SiteNotFoundError
+from app.services.site import SiteCurrentReading, SiteNotFoundError
+
+TIMESTAMP = datetime(2026, 9, 16, 12, 0, tzinfo=UTC)
 
 
 def principal(role: Role = Role.LECTEUR) -> Principal:
@@ -33,10 +36,28 @@ def site(site_id: str = "site-1") -> Site:
     )
 
 
+def lecture_actuelle(site_id: str = "site-1") -> SiteCurrentReading:
+    return SiteCurrentReading(
+        timestamp=TIMESTAMP,
+        site_id=site_id,
+        site_type="industriel",
+        consumption_kw=87.34,
+        consumption_kwh=87.34,
+        voltage_v=401.2,
+        current_a=132.5,
+        power_factor=0.923,
+        temperature_celsius=22.1,
+        humidity_percent=58.4,
+        null_reasons=[],
+        data_quality="good",
+    )
+
+
 class FauxService:
     def __init__(self, erreur: Exception | None = None) -> None:
         self._erreur = erreur
         self.site = site()
+        self.actuel = lecture_actuelle()
 
     async def list_all(self) -> list[Site]:
         return [self.site]
@@ -46,6 +67,11 @@ class FauxService:
             raise self._erreur
         return self.site
 
+    async def current(self, site_id: str) -> SiteCurrentReading:
+        if self._erreur is not None:
+            raise self._erreur
+        return self.actuel
+
 
 @pytest.fixture
 def lecteur_connecte(app: FastAPI) -> Iterator[None]:
@@ -109,6 +135,30 @@ async def test_get_site_returns_404_for_an_unknown_site(
     assert response.status_code == 404
 
 
+async def test_get_current_returns_the_latest_reading(
+    servi: Callable[..., FauxService], client: AsyncClient
+) -> None:
+    servi()
+
+    response = await client.get("/api/v1/sites/site-1/current")
+
+    assert response.status_code == 200
+    corps = response.json()
+    assert corps["site_id"] == "site-1"
+    assert corps["data_quality"] == "good"
+    assert corps["consumption_kw"] == 87.34
+
+
+async def test_get_current_returns_404_for_an_unknown_site(
+    servi: Callable[..., FauxService], client: AsyncClient
+) -> None:
+    servi(SiteNotFoundError("site-inconnu"))
+
+    response = await client.get("/api/v1/sites/site-inconnu/current")
+
+    assert response.status_code == 404
+
+
 async def test_list_sites_reaches_the_repository_through_the_session(
     lecteur_connecte: None, fake_session: Callable[..., None], client: AsyncClient
 ) -> None:

apps/backend/tests/repositories/test_password_reset_token.py

@@ -0,0 +1,142 @@
+# Le premier test démontre l'atomicité de `consume()` : sur un double, deux soumissions
+# concurrentes du même lien réussiraient toutes les deux.
+
+import uuid
+from datetime import UTC, datetime, timedelta
+
+import pytest
+from sqlalchemy.exc import IntegrityError
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.core.roles import Role
+from app.core.security import fingerprint_refresh, generate_refresh_secret
+from app.repositories.password_reset_token import PasswordResetTokenRepository
+from app.repositories.user import UserRepository
+
+pytestmark = pytest.mark.integration
+
+DUREE = timedelta(minutes=15)
+
+
+async def un_compte(session: AsyncSession) -> uuid.UUID:
+    compte = await UserRepository(session).create(
+        email=f"reset-{uuid.uuid4().hex[:12]}@enervision.fr",
+        password_hash="$argon2id$x",
+        role=Role.LECTEUR,
+    )
+    return compte.id
+
+
+async def un_jeton(
+    depot: PasswordResetTokenRepository, user_id: uuid.UUID, *, duree: timedelta = DUREE
+) -> str:
+    secret = generate_refresh_secret()
+    await depot.create(
+        user_id=user_id,
+        token_hash=fingerprint_refresh(secret),
+        expires_at=datetime.now(UTC) + duree,
+        client_ip="203.0.113.10",
+        user_agent="pytest",
+    )
+    return secret
+
+
+async def test_consume_only_succeeds_once(session: AsyncSession) -> None:
+    depot = PasswordResetTokenRepository(session)
+    secret = await un_jeton(depot, await un_compte(session))
+
+    premier = await depot.consume(fingerprint_refresh(secret))
+    second = await depot.consume(fingerprint_refresh(secret))
+    await session.rollback()
+
+    assert premier is not None
+    assert second is None
+
+
+async def test_consume_refuses_an_expired_token(session: AsyncSession) -> None:
+    depot = PasswordResetTokenRepository(session)
+    secret = await un_jeton(depot, await un_compte(session), duree=-timedelta(minutes=1))
+
+    revendique = await depot.consume(fingerprint_refresh(secret))
+    await session.rollback()
+
+    assert revendique is None
+
+
+async def test_consume_returns_nothing_for_an_unknown_fingerprint(
+    session: AsyncSession,
+) -> None:
+    revendique = await PasswordResetTokenRepository(session).consume(
+        fingerprint_refresh(generate_refresh_secret())
+    )
+
+    assert revendique is None
+
+
+async def test_invalidate_all_for_user_only_touches_living_tokens(
+    session: AsyncSession,
+) -> None:
+    depot = PasswordResetTokenRepository(session)
+    compte = await un_compte(session)
+    await un_jeton(depot, compte)
+    await un_jeton(depot, compte)
+
+    invalides = await depot.invalidate_all_for_user(compte)
+    second_passage = await depot.invalidate_all_for_user(compte)
+    await session.rollback()
+
+    assert invalides == 2
+    assert second_passage == 0
+
+
+async def test_exists_valid_is_true_for_a_living_token(session: AsyncSession) -> None:
+    depot = PasswordResetTokenRepository(session)
+    secret = await un_jeton(depot, await un_compte(session))
+
+    assert await depot.exists_valid(fingerprint_refresh(secret)) is True
+
+
+async def test_exists_valid_is_false_for_an_expired_token(session: AsyncSession) -> None:
+    depot = PasswordResetTokenRepository(session)
+    secret = await un_jeton(depot, await un_compte(session), duree=-timedelta(minutes=1))
+
+    assert await depot.exists_valid(fingerprint_refresh(secret)) is False
+
+
+async def test_exists_valid_is_false_once_the_token_is_consumed(session: AsyncSession) -> None:
+    depot = PasswordResetTokenRepository(session)
+    secret = await un_jeton(depot, await un_compte(session))
+    await depot.consume(fingerprint_refresh(secret))
+
+    assert await depot.exists_valid(fingerprint_refresh(secret)) is False
+
+
+async def test_exists_valid_is_false_for_an_unknown_fingerprint(session: AsyncSession) -> None:
+    depot = PasswordResetTokenRepository(session)
+
+    assert await depot.exists_valid(fingerprint_refresh(generate_refresh_secret())) is False
+
+
+async def test_the_database_refuses_two_tokens_sharing_a_fingerprint(
+    session: AsyncSession,
+) -> None:
+    depot = PasswordResetTokenRepository(session)
+    compte = await un_compte(session)
+    secret = generate_refresh_secret()
+    await depot.create(
+        user_id=compte,
+        token_hash=fingerprint_refresh(secret),
+        expires_at=datetime.now(UTC) + DUREE,
+        client_ip=None,
+        user_agent=None,
+    )
+
+    with pytest.raises(IntegrityError):
+        await depot.create(
+            user_id=compte,
+            token_hash=fingerprint_refresh(secret),
+            expires_at=datetime.now(UTC) + DUREE,
+            client_ip=None,
+            user_agent=None,
+        )
+    await session.rollback()

apps/backend/tests/repositories/test_reading.py

@@ -6,6 +6,8 @@ from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.models.energy import Reading, Site
 from app.repositories.reading import ReadingRepository
+from tests.repositories.test_site import creer as creer_site
+from tests.repositories.test_site import identifiant as identifiant_site
 
 pytestmark = pytest.mark.integration
 
@@ -25,6 +27,20 @@ def lecture(site_id: str, *, timestamp: datetime, consumption_kw: float) -> Read
     )
 
 
+async def creer_lecture(session: AsyncSession, *, site_id: str, **overrides: object) -> Reading:
+    reading = Reading(
+        site_id=site_id,
+        timestamp=overrides.get("timestamp", datetime(2026, 9, 16, tzinfo=UTC)),
+        source=overrides.get("source", "api_current"),
+        consumption_kw=overrides.get("consumption_kw", 10.0),
+        data_quality=overrides.get("data_quality", "good"),
+        raw_data=overrides.get("raw_data", {}),
+    )
+    session.add(reading)
+    await session.flush()
+    return reading
+
+
 async def test_latest_by_site_keeps_only_the_most_recent_reading(session: AsyncSession) -> None:
     site_id = identifiant()
     maintenant = datetime.now(UTC)
@@ -70,3 +86,177 @@ async def test_latest_by_site_returns_one_row_per_site(session: AsyncSession) ->
     await session.rollback()
 
     assert identifiants == {premier, second}
+
+
+async def test_latest_by_site_breaks_a_timestamp_tie_on_the_last_written_reading(
+    session: AsyncSession,
+) -> None:
+    site = await creer_site(session)
+    depot = ReadingRepository(session)
+    horodatage = datetime(2026, 9, 15, tzinfo=UTC)
+    await creer_lecture(
+        session, site_id=site.site_id, timestamp=horodatage, source="api_history", consumption_kw=10
+    )
+    derniere = await creer_lecture(
+        session, site_id=site.site_id, timestamp=horodatage, source="api_current", consumption_kw=42
+    )
+
+    resultats = await depot.latest_by_site()
+    retenues = [r.reading_id for r in resultats if r.site_id == site.site_id]
+    await session.rollback()
+
+    assert retenues == [derniere.reading_id]
+
+
+async def test_latest_for_site_returns_the_most_recent_reading(session: AsyncSession) -> None:
+    site = await creer_site(session)
+    depot = ReadingRepository(session)
+    await creer_lecture(session, site_id=site.site_id, timestamp=datetime(2026, 9, 1, tzinfo=UTC))
+    recente = await creer_lecture(
+        session, site_id=site.site_id, timestamp=datetime(2026, 9, 15, tzinfo=UTC)
+    )
+
+    trouvee = await depot.latest_for_site(site.site_id)
+    reading_id = trouvee.reading_id if trouvee else None
+    await session.rollback()
+
+    assert reading_id == recente.reading_id
+
+
+async def test_latest_for_site_breaks_a_timestamp_tie_on_the_last_written_reading(
+    session: AsyncSession,
+) -> None:
+    site = await creer_site(session)
+    depot = ReadingRepository(session)
+    horodatage = datetime(2026, 9, 15, tzinfo=UTC)
+    await creer_lecture(session, site_id=site.site_id, timestamp=horodatage, source="api_history")
+    derniere = await creer_lecture(
+        session, site_id=site.site_id, timestamp=horodatage, source="api_current"
+    )
+
+    trouvee = await depot.latest_for_site(site.site_id)
+    reading_id = trouvee.reading_id if trouvee else None
+    await session.rollback()
+
+    assert reading_id == derniere.reading_id
+
+
+async def test_latest_for_site_ignores_the_readings_of_the_other_sites(
+    session: AsyncSession,
+) -> None:
+    sans_lecture = await creer_site(session)
+    autre = await creer_site(session)
+    depot = ReadingRepository(session)
+    await creer_lecture(session, site_id=autre.site_id)
+
+    trouvee = await depot.latest_for_site(sans_lecture.site_id)
+    await session.rollback()
+
+    assert trouvee is None
+
+
+async def test_list_history_orders_the_readings_by_timestamp_descending(
+    session: AsyncSession,
+) -> None:
+    site = await creer_site(session)
+    depot = ReadingRepository(session)
+    ancienne = await creer_lecture(
+        session, site_id=site.site_id, timestamp=datetime(2026, 9, 1, tzinfo=UTC)
+    )
+    recente = await creer_lecture(
+        session, site_id=site.site_id, timestamp=datetime(2026, 9, 15, tzinfo=UTC)
+    )
+
+    resultats = await depot.list_history(
+        start=datetime(2026, 8, 1, tzinfo=UTC),
+        end=datetime(2026, 10, 1, tzinfo=UTC),
+        limit=100,
+        offset=0,
+    )
+    identifiants = [
+        r.reading_id for r in resultats if r.reading_id in (ancienne.reading_id, recente.reading_id)
+    ]
+    await session.rollback()
+
+    assert identifiants == [recente.reading_id, ancienne.reading_id]
+
+
+async def test_list_history_filters_by_site_id(session: AsyncSession) -> None:
+    premier = await creer_site(session)
+    second = await creer_site(session)
+    depot = ReadingRepository(session)
+    voulue = await creer_lecture(session, site_id=premier.site_id)
+    await creer_lecture(session, site_id=second.site_id)
+
+    resultats = await depot.list_history(
+        site_id=premier.site_id,
+        start=datetime(2026, 8, 1, tzinfo=UTC),
+        end=datetime(2026, 10, 1, tzinfo=UTC),
+        limit=100,
+        offset=0,
+    )
+    identifiants = [r.reading_id for r in resultats]
+    await session.rollback()
+
+    assert identifiants == [voulue.reading_id]
+
+
+async def test_list_history_excludes_readings_outside_the_window(session: AsyncSession) -> None:
+    site = await creer_site(session)
+    depot = ReadingRepository(session)
+    dedans = await creer_lecture(
+        session, site_id=site.site_id, timestamp=datetime(2026, 9, 10, tzinfo=UTC)
+    )
+    await creer_lecture(session, site_id=site.site_id, timestamp=datetime(2026, 8, 1, tzinfo=UTC))
+    await creer_lecture(session, site_id=site.site_id, timestamp=datetime(2026, 10, 1, tzinfo=UTC))
+
+    resultats = await depot.list_history(
+        site_id=site.site_id,
+        start=datetime(2026, 9, 1, tzinfo=UTC),
+        end=datetime(2026, 9, 30, tzinfo=UTC),
+        limit=100,
+        offset=0,
+    )
+    identifiants = [r.reading_id for r in resultats]
+    await session.rollback()
+
+    assert identifiants == [dedans.reading_id]
+
+
+async def test_list_history_respects_limit_and_offset(session: AsyncSession) -> None:
+    site = await creer_site(session)
+    depot = ReadingRepository(session)
+    lectures = [
+        await creer_lecture(
+            session, site_id=site.site_id, timestamp=datetime(2026, 9, jour, tzinfo=UTC)
+        )
+        for jour in (1, 2, 3)
+    ]
+
+    resultats = await depot.list_history(
+        site_id=site.site_id,
+        start=datetime(2026, 8, 1, tzinfo=UTC),
+        end=datetime(2026, 10, 1, tzinfo=UTC),
+        limit=1,
+        offset=1,
+    )
+    identifiants = [r.reading_id for r in resultats]
+    await session.rollback()
+
+    assert identifiants == [lectures[1].reading_id]
+
+
+async def test_list_history_returns_an_empty_list_when_there_is_nothing(
+    session: AsyncSession,
+) -> None:
+    depot = ReadingRepository(session)
+
+    resultats = await depot.list_history(
+        site_id=identifiant_site(),
+        start=datetime(2026, 8, 1, tzinfo=UTC),
+        end=datetime(2026, 10, 1, tzinfo=UTC),
+        limit=100,
+        offset=0,
+    )
+
+    assert list(resultats) == []

apps/backend/tests/schemas/test_auth.py

@@ -0,0 +1,61 @@
+import pytest
+from pydantic import ValidationError
+
+from app.schemas.auth import PasswordChangeRequest, valide_complexite
+
+MOT_DE_PASSE_VALIDE = "Un-mot-de-passe1!"
+
+
+def test_password_change_request_accepts_a_password_covering_the_four_classes() -> None:
+    requete = PasswordChangeRequest(
+        current_password="peu-importe", new_password=MOT_DE_PASSE_VALIDE
+    )
+
+    assert requete.new_password == MOT_DE_PASSE_VALIDE
+
+
+@pytest.mark.parametrize(
+    "new_password",
+    [
+        "un-mot-de-passe1!",
+        "UN-MOT-DE-PASSE1!",
+        "Un-mot-de-passe!",
+        "Un mot de passe 1",
+    ],
+    ids=["sans_majuscule", "sans_minuscule", "sans_chiffre", "sans_caractere_special"],
+)
+def test_password_change_request_rejects_a_password_missing_a_character_class(
+    new_password: str,
+) -> None:
+    with pytest.raises(ValidationError):
+        PasswordChangeRequest(current_password="peu-importe", new_password=new_password)
+
+
+def test_password_change_request_rejects_a_password_below_the_minimum_length() -> None:
+    with pytest.raises(ValidationError):
+        PasswordChangeRequest(current_password="peu-importe", new_password="Ab1!")
+
+
+def test_valide_complexite_names_every_missing_class_in_the_error() -> None:
+    with pytest.raises(ValueError, match=r"majuscule.*chiffre|chiffre.*majuscule"):
+        valide_complexite("minuscules-seulement")
+
+
+def test_valide_complexite_accepts_an_accented_password() -> None:
+    assert valide_complexite("Sécurité1!") == "Sécurité1!"
+
+
+@pytest.mark.parametrize("mot_de_passe", ["abcdefg1×", "abcdefg1÷"])  # noqa: RUF001
+def test_valide_complexite_rejects_a_password_without_uppercase_despite_times_or_divide(
+    mot_de_passe: str,
+) -> None:
+    with pytest.raises(ValueError, match="majuscule"):
+        valide_complexite(mot_de_passe)
+
+
+@pytest.mark.parametrize("mot_de_passe", ["ABCDEFG1×", "ABCDEFG1÷"])  # noqa: RUF001
+def test_valide_complexite_rejects_a_password_without_lowercase_despite_times_or_divide(
+    mot_de_passe: str,
+) -> None:
+    with pytest.raises(ValueError, match="minuscule"):
+        valide_complexite(mot_de_passe)

apps/backend/tests/services/test_auth.py

@@ -5,6 +5,7 @@ from typing import Any
 from uuid import UUID, uuid4
 
 import pytest
+from fastapi import BackgroundTasks
 
 from app.core.principal import Principal
 from app.core.roles import AccountKind, Role
@@ -16,11 +17,15 @@ from app.core.security import (
 from app.models.login_attempt import LoginOutcome
 from app.models.refresh_token import RevocationReason
 from app.repositories.login_attempt import FailureCounts
+from app.repositories.password_reset_attempt import ResetRequestCounts
+from app.repositories.password_reset_token import ConsumedResetToken
 from app.repositories.refresh_token import ClaimedToken
 from app.services.auth import (
     AuthService,
     InvalidCredentialsError,
+    InvalidOrExpiredResetTokenError,
     LoginPolicy,
+    PasswordResetPolicy,
     RateLimitedError,
     SessionRejectedError,
 )
@@ -37,6 +42,13 @@ POLITIQUE_CONNEXION = LoginPolicy(
     max_failures_per_ip=20,
     max_failures_per_identifier=50,
 )
+POLITIQUE_RESET = PasswordResetPolicy(
+    window_seconds=900,
+    max_requests_per_identifier=3,
+    max_requests_per_ip=10,
+    token_ttl=timedelta(minutes=15),
+    frontend_reset_url="http://localhost:4200/reset-password",
+)
 
 
 @dataclass
@@ -168,6 +180,49 @@ class FausseTransaction:
         self.validations += 1
 
 
+class FauxDepotJetonsReset:
+    def __init__(
+        self, revendique: ConsumedResetToken | None = None, *, valide: bool = False
+    ) -> None:
+        self.revendique = revendique
+        self.valide = valide
+        self.crees: list[UUID] = []
+        self.invalidations: list[UUID] = []
+
+    async def create(self, *, user_id: UUID, **_: object) -> None:
+        self.crees.append(user_id)
+
+    async def consume(self, token_hash: bytes) -> ConsumedResetToken | None:
+        return self.revendique
+
+    async def exists_valid(self, token_hash: bytes) -> bool:
+        return self.valide
+
+    async def invalidate_all_for_user(self, user_id: UUID) -> int:
+        self.invalidations.append(user_id)
+        return len(self.invalidations)
+
+
+class FauxDepotTentativesReset:
+    def __init__(self, compteurs: ResetRequestCounts | None = None) -> None:
+        self.compteurs = compteurs or ResetRequestCounts(0, 0)
+        self.enregistrees: list[str] = []
+
+    async def count_recent(self, **_: object) -> ResetRequestCounts:
+        return self.compteurs
+
+    async def record(self, *, email: str, **_: object) -> None:
+        self.enregistrees.append(email)
+
+
+class FauxMailer:
+    def __init__(self) -> None:
+        self.envois: list[tuple[str, str]] = []
+
+    async def send_password_reset_email(self, *, to: str, reset_url: str) -> None:
+        self.envois.append((to, reset_url))
+
+
 @dataclass
 class Attirail:
     service: AuthService
@@ -176,6 +231,9 @@ class Attirail:
     jetons: FauxDepotJetons
     audit: FauxDepotAudit
     hacheur: FauxHacheur
+    jetons_reset: FauxDepotJetonsReset
+    tentatives_reset: FauxDepotTentativesReset
+    mailer: FauxMailer
 
 
 def fabrique_service(
@@ -184,12 +242,17 @@ def fabrique_service(
     compteurs: FailureCounts | None = None,
     hacheur: FauxHacheur | None = None,
     jetons: FauxDepotJetons | None = None,
+    jetons_reset: FauxDepotJetonsReset | None = None,
+    compteurs_reset: ResetRequestCounts | None = None,
 ) -> Attirail:
     comptes = FauxDepotComptes(compte)
     tentatives = FauxDepotTentatives(compteurs)
     depot_jetons = jetons or FauxDepotJetons()
     audit = FauxDepotAudit()
     hacheur = hacheur or FauxHacheur()
+    depot_jetons_reset = jetons_reset or FauxDepotJetonsReset()
+    tentatives_reset = FauxDepotTentativesReset(compteurs_reset)
+    mailer = FauxMailer()
     service = AuthService(
         users=comptes,  # type: ignore[arg-type]
         attempts=tentatives,  # type: ignore[arg-type]
@@ -200,8 +263,22 @@ def fabrique_service(
         token_policy=POLITIQUE_JETON,
         login_policy=POLITIQUE_CONNEXION,
         refresh_ttl=timedelta(days=7),
+        reset_tokens=depot_jetons_reset,  # type: ignore[arg-type]
+        reset_attempts=tentatives_reset,  # type: ignore[arg-type]
+        reset_policy=POLITIQUE_RESET,
+        mailer=mailer,  # type: ignore[arg-type]
+    )
+    return Attirail(
+        service,
+        comptes,
+        tentatives,
+        depot_jetons,
+        audit,
+        hacheur,
+        depot_jetons_reset,
+        tentatives_reset,
+        mailer,
     )
-    return Attirail(service, comptes, tentatives, depot_jetons, audit, hacheur)
 
 
 async def connecte(service: AuthService, mot_de_passe: str = "un-mot-de-passe-valide") -> object:
@@ -493,3 +570,148 @@ async def test_change_password_refuses_a_wrong_current_password() -> None:
 
     assert attirail.jetons.revocations_par_compte == []
     assert attirail.jetons.crees == []
+
+
+async def test_request_password_reset_emails_a_link_when_the_account_exists() -> None:
+    compte = FauxCompte()
+    attirail = fabrique_service(compte=compte)
+    taches = BackgroundTasks()
+
+    await attirail.service.request_password_reset(
+        email=compte.email, client_ip="203.0.113.10", user_agent="pytest", background_tasks=taches
+    )
+
+    assert attirail.jetons_reset.invalidations == [compte.id]
+    assert attirail.jetons_reset.crees == [compte.id]
+    assert attirail.mailer.envois == [], "l'envoi doit être différé, pas fait dans la réponse"
+    await taches()
+    assert len(attirail.mailer.envois) == 1
+    assert attirail.mailer.envois[0][0] == compte.email
+    assert "auth.password_reset_requested" in attirail.audit.lignes[0][0]
+
+
+async def test_request_password_reset_stays_silent_when_the_account_is_unknown() -> None:
+    attirail = fabrique_service(compte=None)
+    taches = BackgroundTasks()
+
+    await attirail.service.request_password_reset(
+        email="inconnu@enervision.fr",
+        client_ip="203.0.113.10",
+        user_agent="pytest",
+        background_tasks=taches,
+    )
+    await taches()
+
+    assert attirail.jetons_reset.crees == []
+    assert attirail.mailer.envois == []
+    assert attirail.hacheur.verifications == 1, "le hachage factice doit tout de même tourner"
+
+
+async def test_request_password_reset_stays_silent_when_the_account_is_inactive() -> None:
+    compte = FauxCompte(is_active=False)
+    attirail = fabrique_service(compte=compte)
+    taches = BackgroundTasks()
+
+    await attirail.service.request_password_reset(
+        email=compte.email, client_ip="203.0.113.10", user_agent="pytest", background_tasks=taches
+    )
+    await taches()
+
+    assert attirail.jetons_reset.crees == []
+    assert attirail.mailer.envois == []
+
+
+async def test_request_password_reset_raises_when_the_rate_limit_is_reached() -> None:
+    attirail = fabrique_service(compteurs_reset=ResetRequestCounts(per_identifier=3, per_ip=0))
+    taches = BackgroundTasks()
+
+    with pytest.raises(RateLimitedError):
+        await attirail.service.request_password_reset(
+            email="operateur@enervision.fr",
+            client_ip="203.0.113.10",
+            user_agent="pytest",
+            background_tasks=taches,
+        )
+
+    await taches()
+    assert attirail.mailer.envois == []
+
+
+async def test_request_password_reset_logs_instead_of_raising_when_the_mailer_fails() -> None:
+    compte = FauxCompte()
+    attirail = fabrique_service(compte=compte)
+    taches = BackgroundTasks()
+
+    async def echoue(*, to: str, reset_url: str) -> None:
+        raise RuntimeError("relais SMTP indisponible")
+
+    attirail.mailer.send_password_reset_email = echoue  # type: ignore[method-assign]
+
+    await attirail.service.request_password_reset(
+        email=compte.email, client_ip="203.0.113.10", user_agent="pytest", background_tasks=taches
+    )
+
+    await taches()
+
+
+async def test_confirm_password_reset_revokes_every_session_then_reopens_the_current_one() -> None:
+    compte = FauxCompte()
+    jetons_reset = FauxDepotJetonsReset(
+        revendique=ConsumedResetToken(id=uuid4(), user_id=compte.id)
+    )
+    attirail = fabrique_service(compte=compte, jetons_reset=jetons_reset)
+
+    session = await attirail.service.confirm_password_reset(
+        token="un-secret-opaque",
+        new_password="Un-nouveau-mot-de-passe1!",
+        client_ip="203.0.113.10",
+        user_agent="pytest",
+    )
+
+    assert attirail.jetons.revocations_par_compte == [
+        (compte.id, RevocationReason.CHANGEMENT_MOT_DE_PASSE.value)
+    ]
+    assert len(attirail.jetons.crees) == 1
+    assert session.refresh_secret
+    assert "auth.password_reset_self_service" in attirail.audit.lignes[0][0]
+
+
+async def test_is_reset_token_valid_reflects_the_repository() -> None:
+    attirail_valide = fabrique_service(jetons_reset=FauxDepotJetonsReset(valide=True))
+    attirail_invalide = fabrique_service(jetons_reset=FauxDepotJetonsReset(valide=False))
+
+    assert await attirail_valide.service.is_reset_token_valid("un-secret-opaque") is True
+    assert await attirail_invalide.service.is_reset_token_valid("un-secret-opaque") is False
+
+
+async def test_confirm_password_reset_rejects_a_token_for_an_account_disabled_since() -> None:
+    compte = FauxCompte(is_active=False)
+    jetons_reset = FauxDepotJetonsReset(
+        revendique=ConsumedResetToken(id=uuid4(), user_id=compte.id)
+    )
+    attirail = fabrique_service(compte=compte, jetons_reset=jetons_reset)
+
+    with pytest.raises(InvalidOrExpiredResetTokenError):
+        await attirail.service.confirm_password_reset(
+            token="un-secret-opaque",
+            new_password="Un-nouveau-mot-de-passe1!",
+            client_ip="203.0.113.10",
+            user_agent="pytest",
+        )
+
+    assert attirail.comptes.mots_de_passe_changes == 0
+    assert attirail.jetons.revocations_par_compte == []
+
+
+async def test_confirm_password_reset_rejects_an_invalid_or_expired_token() -> None:
+    attirail = fabrique_service(jetons_reset=FauxDepotJetonsReset(revendique=None))
+
+    with pytest.raises(InvalidOrExpiredResetTokenError):
+        await attirail.service.confirm_password_reset(
+            token="un-secret-invalide",
+            new_password="Un-nouveau-mot-de-passe1!",
+            client_ip=None,
+            user_agent=None,
+        )
+
+    assert attirail.jetons.revocations_par_compte == []

apps/backend/tests/services/test_reading.py

@@ -0,0 +1,153 @@
+from datetime import UTC, datetime, timedelta
+
+import pytest
+
+from app.models.energy import Reading
+from app.services.reading import (
+    FENETRE_MAXIMALE,
+    FENETRE_PAR_DEFAUT,
+    FenetreInverseeError,
+    FenetreTropLargeError,
+    ReadingService,
+)
+
+
+def reading(reading_id: int = 1, site_id: str = "site-1") -> Reading:
+    return Reading(
+        reading_id=reading_id,
+        site_id=site_id,
+        timestamp=datetime(2026, 9, 16, tzinfo=UTC),
+        source="api_current",
+        consumption_kw=10.0,
+        data_quality="good",
+        raw_data={},
+    )
+
+
+class FakeRepository:
+    def __init__(self, readings: list[Reading]) -> None:
+        self._readings = readings
+        self.appels: list[tuple[str | None, datetime, datetime, int, int]] = []
+
+    async def list_history(
+        self,
+        *,
+        start: datetime,
+        end: datetime,
+        site_id: str | None = None,
+        limit: int,
+        offset: int,
+    ) -> list[Reading]:
+        self.appels.append((site_id, start, end, limit, offset))
+        return self._readings
+
+
+async def test_list_history_returns_the_repository_readings() -> None:
+    service = ReadingService(readings=FakeRepository([reading(1), reading(2)]))
+
+    lectures = await service.list_history(limit=500, offset=0)
+
+    assert [r.reading_id for r in lectures] == [1, 2]
+
+
+async def test_list_history_relays_the_site_id_limit_and_offset() -> None:
+    depot = FakeRepository([])
+    service = ReadingService(readings=depot)
+    debut = datetime(2026, 9, 1, tzinfo=UTC)
+    fin = datetime(2026, 9, 2, tzinfo=UTC)
+
+    await service.list_history(site_id="site-1", start=debut, end=fin, limit=50, offset=10)
+
+    assert depot.appels == [("site-1", debut, fin, 50, 10)]
+
+
+async def test_list_history_defaults_to_the_last_24_hours_when_no_window_is_given() -> None:
+    depot = FakeRepository([])
+    service = ReadingService(readings=depot)
+    avant = datetime.now(UTC)
+
+    await service.list_history(limit=500, offset=0)
+
+    apres = datetime.now(UTC)
+    _, debut, fin, _, _ = depot.appels[0]
+    assert avant <= fin <= apres
+    assert fin - debut == FENETRE_PAR_DEFAUT
+
+
+async def test_list_history_defaults_end_to_now_when_only_start_is_given() -> None:
+    depot = FakeRepository([])
+    service = ReadingService(readings=depot)
+    debut = datetime.now(UTC) - timedelta(hours=1)
+    avant = datetime.now(UTC)
+
+    await service.list_history(start=debut, limit=500, offset=0)
+
+    apres = datetime.now(UTC)
+    _, debut_transmis, fin, _, _ = depot.appels[0]
+    assert debut_transmis == debut
+    assert avant <= fin <= apres
+
+
+async def test_list_history_defaults_start_to_24_hours_before_end_when_only_end_is_given() -> None:
+    depot = FakeRepository([])
+    service = ReadingService(readings=depot)
+    fin = datetime(2026, 9, 16, tzinfo=UTC)
+
+    await service.list_history(end=fin, limit=500, offset=0)
+
+    _, debut, fin_transmise, _, _ = depot.appels[0]
+    assert fin_transmise == fin
+    assert debut == fin - FENETRE_PAR_DEFAUT
+
+
+async def test_list_history_normalizes_naive_datetimes_to_utc() -> None:
+    depot = FakeRepository([])
+    service = ReadingService(readings=depot)
+
+    await service.list_history(
+        start=datetime(2026, 9, 1), end=datetime(2026, 9, 2), limit=500, offset=0
+    )
+
+    _, debut, fin, _, _ = depot.appels[0]
+    assert debut == datetime(2026, 9, 1, tzinfo=UTC)
+    assert fin == datetime(2026, 9, 2, tzinfo=UTC)
+
+
+async def test_list_history_raises_when_start_is_after_end() -> None:
+    service = ReadingService(readings=FakeRepository([]))
+
+    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,
+        )
+
+
+async def test_list_history_raises_when_start_equals_end() -> None:
+    service = ReadingService(readings=FakeRepository([]))
+    instant = datetime(2026, 9, 1, tzinfo=UTC)
+
+    with pytest.raises(FenetreInverseeError):
+        await service.list_history(start=instant, end=instant, limit=500, offset=0)
+
+
+async def test_list_history_raises_when_the_window_exceeds_the_maximum_span() -> None:
+    service = ReadingService(readings=FakeRepository([]))
+    debut = datetime(2026, 1, 1, tzinfo=UTC)
+    fin = debut + FENETRE_MAXIMALE + timedelta(seconds=1)
+
+    with pytest.raises(FenetreTropLargeError):
+        await service.list_history(start=debut, end=fin, limit=500, offset=0)
+
+
+async def test_list_history_accepts_a_window_exactly_at_the_maximum_span() -> None:
+    depot = FakeRepository([])
+    service = ReadingService(readings=depot)
+    debut = datetime(2026, 1, 1, tzinfo=UTC)
+    fin = debut + FENETRE_MAXIMALE
+
+    await service.list_history(start=debut, end=fin, limit=500, offset=0)
+
+    assert depot.appels == [(None, debut, fin, 500, 0)]

apps/backend/tests/services/test_site.py

@@ -1,8 +1,13 @@
+from dataclasses import dataclass, field
+from datetime import UTC, datetime
+
 import pytest
 
 from app.models.energy import Site
 from app.services.site import SiteNotFoundError, SiteService
 
+TIMESTAMP = datetime(2026, 9, 16, 12, 0, tzinfo=UTC)
+
 
 def site(site_id: str = "site-1") -> Site:
     return Site(
@@ -15,6 +20,21 @@ def site(site_id: str = "site-1") -> Site:
     )
 
 
+@dataclass
+class FauxLecture:
+    site_id: str
+    timestamp: datetime = TIMESTAMP
+    consumption_kw: float | None = 87.34
+    consumption_kwh: float | None = 87.34
+    voltage_v: float | None = 401.2
+    current_a: float | None = 132.5
+    power_factor: float | None = 0.923
+    temperature_celsius: float | None = 22.1
+    humidity_percent: float | None = 58.4
+    null_reasons: list[str] | None = field(default_factory=list)
+    data_quality: str | None = "good"
+
+
 class FakeRepository:
     def __init__(self, sites: list[Site]) -> None:
         self._sites = sites
@@ -26,24 +46,77 @@ class FakeRepository:
         return next((s for s in self._sites if s.site_id == site_id), None)
 
 
-async def test_list_all_returns_the_repository_sites() -> None:
-    service = SiteService(sites=FakeRepository([site("a"), site("b")]))
+class FauxDepotLectures:
+    def __init__(self, lectures: dict[str, FauxLecture]) -> None:
+        self._lectures = lectures
 
-    sites = await service.list_all()
+    async def latest_for_site(self, site_id: str) -> FauxLecture | None:
+        return self._lectures.get(site_id)
+
+
+def service(sites: list[Site], lectures: dict[str, FauxLecture] | None = None) -> SiteService:
+    return SiteService(
+        sites=FakeRepository(sites),  # type: ignore[arg-type]
+        readings=FauxDepotLectures(lectures or {}),  # type: ignore[arg-type]
+    )
+
+
+async def test_list_all_returns_the_repository_sites() -> None:
+    svc = service([site("a"), site("b")])
+
+    sites = await svc.list_all()
 
     assert [s.site_id for s in sites] == ["a", "b"]
 
 
 async def test_get_by_id_returns_the_matching_site() -> None:
-    service = SiteService(sites=FakeRepository([site("a")]))
+    svc = service([site("a")])
 
-    trouve = await service.get_by_id("a")
+    trouve = await svc.get_by_id("a")
 
     assert trouve.site_id == "a"
 
 
 async def test_get_by_id_raises_when_the_site_is_unknown() -> None:
-    service = SiteService(sites=FakeRepository([]))
+    svc = service([])
 
     with pytest.raises(SiteNotFoundError):
-        await service.get_by_id("inconnu")
+        await svc.get_by_id("inconnu")
+
+
+async def test_current_raises_when_the_site_is_unknown() -> None:
+    svc = service([])
+
+    with pytest.raises(SiteNotFoundError):
+        await svc.current("inconnu")
+
+
+async def test_current_returns_every_field_as_null_when_the_site_has_no_reading() -> None:
+    svc = service([site("a")])
+
+    actuel = await svc.current("a")
+
+    assert actuel.timestamp is None
+    assert actuel.consumption_kw is None
+    assert actuel.data_quality == "critical"
+    assert actuel.null_reasons == []
+
+
+async def test_current_copies_every_field_from_the_latest_reading() -> None:
+    svc = service([site("a")], {"a": FauxLecture(site_id="a")})
+
+    actuel = await svc.current("a")
+
+    assert actuel.timestamp == TIMESTAMP
+    assert actuel.site_type == "industriel"
+    assert actuel.consumption_kw == 87.34
+    assert actuel.voltage_v == 401.2
+    assert actuel.data_quality == "good"
+
+
+async def test_current_treats_an_unknown_data_quality_as_critical() -> None:
+    svc = service([site("a")], {"a": FauxLecture(site_id="a", data_quality=None)})
+
+    actuel = await svc.current("a")
+
+    assert actuel.data_quality == "critical"

apps/backend/tests/test_cli.py

@@ -4,6 +4,7 @@ from pathlib import Path
 import pytest
 
 from app import cli
+from app.schemas.auth import valide_complexite
 
 
 def test_build_parser_reads_the_create_admin_arguments() -> None:
@@ -34,26 +35,36 @@ def test_read_password_generates_a_long_secret_when_asked(
 
     assert len(mot_de_passe) >= cli.LONGUEUR_MOT_DE_PASSE_GENERE
     assert mot_de_passe in capsys.readouterr().out
+    valide_complexite(mot_de_passe)
 
 
 def test_read_password_accepts_two_matching_entries(monkeypatch: pytest.MonkeyPatch) -> None:
-    saisies = iter(["un-mot-de-passe-valide", "un-mot-de-passe-valide"])
+    saisies = iter(["Un-mot-de-passe-valide1", "Un-mot-de-passe-valide1"])
     monkeypatch.setattr(cli, "getpass", lambda _: next(saisies))
 
-    assert cli.read_password(generate=False) == "un-mot-de-passe-valide"
+    assert cli.read_password(generate=False) == "Un-mot-de-passe-valide1"
 
 
 def test_read_password_refuses_a_password_below_the_minimum_length(
     monkeypatch: pytest.MonkeyPatch,
 ) -> None:
-    monkeypatch.setattr(cli, "getpass", lambda _: "court")
+    monkeypatch.setattr(cli, "getpass", lambda _: "Court1!")
+
+    with pytest.raises(SystemExit):
+        cli.read_password(generate=False)
+
+
+def test_read_password_refuses_a_password_missing_a_character_class(
+    monkeypatch: pytest.MonkeyPatch,
+) -> None:
+    monkeypatch.setattr(cli, "getpass", lambda _: "un-mot-de-passe-sans-majuscule-ni-chiffre")
 
     with pytest.raises(SystemExit):
         cli.read_password(generate=False)
 
 
 def test_read_password_refuses_two_different_entries(monkeypatch: pytest.MonkeyPatch) -> None:
-    saisies = iter(["un-mot-de-passe-valide", "un-autre-mot-de-passe"])
+    saisies = iter(["Un-mot-de-passe-valide1", "Un-autre-mot-de-passe2"])
     monkeypatch.setattr(cli, "getpass", lambda _: next(saisies))
 
     with pytest.raises(SystemExit):

apps/backend/tests/test_static_assets.py

@@ -0,0 +1,13 @@
+# Piège : le logo est committé indépendamment à deux endroits (`app/static/`, servi par
+# `/docs`/`/redoc`, et `apps/frontend/public/`, servi au front) faute d'étape de build partagée.
+# Sans ce test, une mise à jour d'un seul des deux fichiers dérive silencieusement : rien en CI
+# ne le détecte.
+
+from pathlib import Path
+
+BACKEND_LOGO = Path(__file__).parent.parent / "app" / "static" / "logo-icon.png"
+FRONTEND_LOGO = Path(__file__).parent.parent.parent / "frontend" / "public" / "logo-icon.png"
+
+
+def test_the_backend_logo_stays_in_sync_with_the_frontend_one() -> None:
+    assert BACKEND_LOGO.read_bytes() == FRONTEND_LOGO.read_bytes()

apps/backend/uv.lock

@@ -7,6 +7,15 @@ resolution-markers = [
     "sys_platform != 'emscripten' and sys_platform != 'win32'",
 ]
 
+[[package]]
+name = "aiosmtplib"
+version = "5.1.3"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/9b/5c/9cabc5db6d607616e81ba6d8f1f231cd5a75955807a308c1090a59072d6d/aiosmtplib-5.1.3.tar.gz", hash = "sha256:ac2b418d3260ba62d9cfd0fe7359726e9dc009a4e8e8d9909fdfae332f522a7c", size = 77010, upload-time = "2026-09-08T02:11:20.532Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/9c/0a/b56ab8163d54960337fdca475d3dfd56c8badf6172e79cf2ad00d5335dc1/aiosmtplib-5.1.3-py3-none-any.whl", hash = "sha256:f7d76ce3d4995a65a178c1f11e1bd1607706b921d00cb768e7a2c7f7ef5517a8", size = 30116, upload-time = "2026-09-08T02:11:19.352Z" },
+]
+
 [[package]]
 name = "alembic"
 version = "1.20.0"
@@ -311,6 +320,7 @@ name = "enervision-backend"
 version = "0.1.0"
 source = { editable = "." }
 dependencies = [
+    { name = "aiosmtplib" },
     { name = "alembic" },
     { name = "anyio" },
     { name = "argon2-cffi" },
@@ -339,6 +349,7 @@ dev = [
 
 [package.metadata]
 requires-dist = [
+    { name = "aiosmtplib", specifier = ">=5.1.3" },
     { name = "alembic", specifier = ">=1.20.0" },
     { name = "anyio", specifier = ">=4.0" },
     { name = "argon2-cffi", specifier = ">=23.1" },

apps/frontend/README.md

@@ -76,6 +76,13 @@ Points à vérifier après toute regénération :
    côté backend. Le `docker-compose.yml` n'a aucun service frontend.
 4. Ajouter le `Dockerfile` multi-stage (build Angular puis service statique nginx).
 
+## Design système
+
+Tokens (couleurs, typo, espacements) et composants partagés (`ev-button`, `ev-card`,
+`ev-alert`, `ev-badge`) sont documentés dans
+[`docs/architecture/32-design-systeme-frontend.md`](../../docs/architecture/32-design-systeme-frontend.md).
+Toute nouvelle page doit les réutiliser plutôt que définir ses propres valeurs.
+
 ## Additional Resources
 
 For more information on using the Angular CLI, including detailed command references, visit the [Angular CLI Overview and Command Reference](https://angular.dev/tools/cli) page.

apps/frontend/angular.json

@@ -86,15 +86,6 @@
               "text-summary",
               "lcov",
               "html"
-            ],
-            "reporters": [
-              "default",
-              [
-                "junit",
-                {
-                  "outputFile": "test-results/junit.xml"
-                }
-              ]
             ]
           }
         }

apps/frontend/sonar-project.properties

@@ -0,0 +1,18 @@
+sonar.projectKey=ProjetPiscine_EnerVision
+sonar.organization=groupe3-ener-vision
+sonar.sourceEncoding=UTF-8
+
+#  Dossier contenant le code source
+sonar.sources=apps/frontend/src,apps/backend/app
+sonar.tests=apps/backend/tests
+
+#  Liste des fichiers et dossiers à exclure de l'analyse
+#  Liste des fichiers et dossiers à exclure de l'analyse
+sonar.exclusions=**/node_modules/**,**/dist/**,**/*.spec.js,**/*.test.js,github,db,ml,docker-compose.yml,**/**/Dockerfile,**/**/proxy.conf.json,**/**/package.json,**/**/angular.json
+
+#  Chemin vers le rapport de couverture de code
+#  Fichier généré par Vitest
+#  Chemin vers le rapport de couverture de code
+#  Fichier généré par Vitest
+sonar.javascript.lcov.reportPaths=apps/frontend/coverage/frontend/lcov.info
+sonar.python.coverage.reportPaths=apps/backend/cov.info

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

@@ -5,9 +5,22 @@ 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: 'dashboard',
     canActivate: [authGuard],
     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),
+  },
+  {
+    path: 'sites/:siteId',
+    canActivate: [authGuard],
+    loadComponent: () =>
+      import('./features/sites/site-detail/site-detail').then((m) => m.SiteDetail),
+  },
 ];

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

@@ -41,7 +41,10 @@ describe('authInterceptor', () => {
     httpMock = TestBed.inject(HttpTestingController);
   });
 
-  afterEach(() => httpMock.verify());
+  afterEach(() => {
+    httpMock.verify();
+    vi.restoreAllMocks();
+  });
 
   it('ajoute le header Authorization quand un token est disponible', () => {
     http.get('/api/v1/stats/summary').subscribe();
@@ -97,6 +100,19 @@ describe('authInterceptor', () => {
     expect(routerMock.navigate).toHaveBeenCalledWith(['/login']);
   });
 
+  it("ne redirige pas vers /login sur un 401 de /auth/refresh si on est déjà sur /reset-password", () => {
+    vi.spyOn(window, 'location', 'get').mockReturnValue({
+      pathname: '/reset-password',
+    } as Location);
+
+    http.post('/api/v1/auth/refresh', {}).subscribe({ error: () => {} });
+    const req = httpMock.expectOne('/api/v1/auth/refresh');
+    req.flush({}, { status: 401, statusText: 'Unauthorized' });
+
+    expect(authMock.clearSession).toHaveBeenCalled();
+    expect(routerMock.navigate).not.toHaveBeenCalled();
+  });
+
   it('rafraîchit puis rejoue la requête sur un 401 avec error="expired"', () => {
     authMock.refreshShared.mockReturnValue(of({ access_token: 'new-token' }));
     authMock.getAccessToken.mockReturnValueOnce('old-token').mockReturnValue('new-token');

apps/frontend/src/app/core/interceptors/auth-interceptor.ts

@@ -11,6 +11,16 @@ function parseAuthError(response: HttpErrorResponse): string | null {
   return match ? match[1] : null;
 }
 
+const ROUTES_INVITEES = ['/login', '/forgot-password', '/reset-password'];
+
+// Piège : le rafraîchissement de session lancé au démarrage de l'app (provideAppInitializer)
+// échoue silencieusement sans cookie valide. `window.location.pathname` (pas `router.url`,
+// pas encore fiable à ce stade) évite qu'un 401 de fond écrase la navigation vers le lien de
+// reset reçu par email.
+function surRouteInvitee(): boolean {
+  return ROUTES_INVITEES.some((chemin) => window.location.pathname.startsWith(chemin));
+}
+
 export const authInterceptor: HttpInterceptorFn = (req, next) => {
   const auth = inject(AuthService);
   const router = inject(Router);
@@ -43,7 +53,9 @@ export const authInterceptor: HttpInterceptorFn = (req, next) => {
 
       if (req.url.endsWith('/auth/refresh')) {
         auth.clearSession();
-        router.navigate(['/login']);
+        if (!surRouteInvitee()) {
+          router.navigate(['/login']);
+        }
         return throwError(() => error);
       }
 
@@ -51,7 +63,9 @@ export const authInterceptor: HttpInterceptorFn = (req, next) => {
 
       if (kind === 'invalid_token') {
         auth.clearSession();
-        router.navigate(['/login']);
+        if (!surRouteInvitee()) {
+          router.navigate(['/login']);
+        }
         return throwError(() => error);
       }
 
@@ -65,7 +79,9 @@ export const authInterceptor: HttpInterceptorFn = (req, next) => {
           }),
           catchError((refreshError) => {
             auth.clearSession();
-            router.navigate(['/login']);
+            if (!surRouteInvitee()) {
+              router.navigate(['/login']);
+            }
             return throwError(() => refreshError);
           })
         );

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

@@ -83,4 +83,17 @@ describe('AuthService', () => {
 
   expect(result).toEqual(tokenResponse.principal);
 });
+
+  it('vérifie la validité du jeton de reset via GET /auth/reset-password/validate', () => {
+    let result: { valid: boolean } | undefined;
+    service.validateResetToken('un-secret-opaque').subscribe((r) => (result = r));
+
+    const req = httpMock.expectOne(
+      `${environment.apiUrl}/auth/reset-password/validate?token=un-secret-opaque`
+    );
+    expect(req.request.method).toBe('GET');
+    req.flush({ valid: true });
+
+    expect(result).toEqual({ valid: true });
+  });
 });

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

@@ -1,7 +1,14 @@
 import { Service, signal, computed, inject } from '@angular/core';
 import { HttpClient } from '@angular/common/http';
 import { Observable, tap, finalize, shareReplay } from 'rxjs';
-import { LoginRequest, PasswordChangeRequest, Principal, TokenResponse } from '../../shared/models/auth.model';
+import {
+  ForgotPasswordRequest,
+  LoginRequest,
+  PasswordChangeRequest,
+  Principal,
+  ResetPasswordRequest,
+  TokenResponse,
+} from '../../shared/models/auth.model';
 import { environment } from '../../../environments/environment';
 
 @Service()
@@ -66,4 +73,20 @@ export class AuthService {
   me(): Observable<Principal> {
     return this.http.get<Principal>(`${environment.apiUrl}/auth/me`);
   }
+
+  forgotPassword(payload: ForgotPasswordRequest): Observable<void> {
+    return this.http.post<void>(`${environment.apiUrl}/auth/forgot-password`, payload);
+  }
+
+  resetPassword(payload: ResetPasswordRequest): Observable<TokenResponse> {
+    return this.http
+      .post<TokenResponse>(`${environment.apiUrl}/auth/reset-password`, payload, { withCredentials: true })
+      .pipe(tap((response) => this.setSession(response)));
+  }
+
+  validateResetToken(token: string): Observable<{ valid: boolean }> {
+    return this.http.get<{ valid: boolean }>(`${environment.apiUrl}/auth/reset-password/validate`, {
+      params: { token },
+    });
+  }
 }

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

@@ -0,0 +1,50 @@
+import { TestBed } from '@angular/core/testing';
+import { provideHttpClient } from '@angular/common/http';
+import { provideHttpClientTesting, HttpTestingController } from '@angular/common/http/testing';
+import { ReadingsService } from './readings.service';
+import { environment } from '../../../environments/environment';
+
+describe('ReadingsService', () => {
+  let service: ReadingsService;
+  let httpMock: HttpTestingController;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      providers: [provideHttpClient(), provideHttpClientTesting()],
+    });
+    service = TestBed.inject(ReadingsService);
+    httpMock = TestBed.inject(HttpTestingController);
+  });
+
+  afterEach(() => httpMock.verify());
+
+  it("demande l'historique du site avec la fenêtre temporelle donnée", () => {
+    let result: unknown;
+    service
+      .getHistory('SITE001', '2026-09-16T00:00:00Z', '2026-09-17T00:00:00Z')
+      .subscribe((r) => (result = r));
+
+    const req = httpMock.expectOne(
+      (r) => r.url === `${environment.apiUrl}/readings` && r.method === 'GET',
+    );
+    expect(req.request.params.get('site_id')).toBe('SITE001');
+    expect(req.request.params.get('start')).toBe('2026-09-16T00:00:00Z');
+    expect(req.request.params.get('end')).toBe('2026-09-17T00:00:00Z');
+
+    req.flush([{ reading_id: 1, site_id: 'SITE001', consumption_kw: 12.5 }]);
+
+    expect((result as unknown[]).length).toBe(1);
+  });
+
+  it('ne pose pas de paramètres start/end quand ils sont omis', () => {
+    service.getHistory('SITE001').subscribe();
+
+    const req = httpMock.expectOne(
+      (r) => r.url === `${environment.apiUrl}/readings` && r.method === 'GET',
+    );
+    expect(req.request.params.has('start')).toBe(false);
+    expect(req.request.params.has('end')).toBe(false);
+
+    req.flush([]);
+  });
+});

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

@@ -0,0 +1,20 @@
+import { Service, inject } from '@angular/core';
+import { HttpClient, HttpParams } from '@angular/common/http';
+import { environment } from '../../../environments/environment';
+import { Reading } from '../../shared/models/reading.model';
+
+@Service()
+export class ReadingsService {
+  private http = inject(HttpClient);
+
+  getHistory(siteId: string, start?: string, end?: string) {
+    let params = new HttpParams().set('site_id', siteId);
+    if (start) {
+      params = params.set('start', start);
+    }
+    if (end) {
+      params = params.set('end', end);
+    }
+    return this.http.get<Reading[]>(`${environment.apiUrl}/readings`, { params });
+  }
+}

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

@@ -0,0 +1,87 @@
+import { TestBed } from '@angular/core/testing';
+import { provideHttpClient } from '@angular/common/http';
+import { provideHttpClientTesting, HttpTestingController } from '@angular/common/http/testing';
+import { SitesService } from './sites.service';
+import { environment } from '../../../environments/environment';
+
+describe('SitesService', () => {
+  let service: SitesService;
+  let httpMock: HttpTestingController;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      providers: [provideHttpClient(), provideHttpClientTesting()],
+    });
+    service = TestBed.inject(SitesService);
+    httpMock = TestBed.inject(HttpTestingController);
+  });
+
+  afterEach(() => httpMock.verify());
+
+  it('appelle le bon endpoint et retourne la liste des sites', () => {
+    let result: unknown;
+    service.getSites().subscribe((r) => (result = r));
+
+    const req = httpMock.expectOne(`${environment.apiUrl}/sites`);
+    expect(req.request.method).toBe('GET');
+
+    req.flush([
+      {
+        site_id: 'SITE001',
+        site_name: 'Site 1',
+        site_type: 'industriel',
+        location: 'Nantes',
+        capacity_kw: 500,
+        status: 'actif',
+      },
+    ]);
+
+    expect((result as { site_id: string }[])[0].site_id).toBe('SITE001');
+  });
+
+  it('appelle le bon endpoint et retourne un site', () => {
+    let result: unknown;
+    service.getSite('SITE001').subscribe((r) => (result = r));
+
+    const req = httpMock.expectOne(`${environment.apiUrl}/sites/SITE001`);
+    expect(req.request.method).toBe('GET');
+
+    req.flush({
+      site_id: 'SITE001',
+      site_name: 'Site 1',
+      site_type: 'industriel',
+      location: 'Nantes',
+      capacity_kw: 500,
+      status: 'actif',
+    });
+
+    expect((result as { site_id: string }).site_id).toBe('SITE001');
+  });
+
+  it('appelle le bon endpoint et retourne la mesure courante du site', () => {
+    let result: unknown;
+    service.getCurrent('SITE001').subscribe((r) => (result = r));
+
+    const req = httpMock.expectOne(`${environment.apiUrl}/sites/SITE001/current`);
+    expect(req.request.method).toBe('GET');
+
+    req.flush({
+      timestamp: '2026-09-17T10:00:00Z',
+      site_id: 'SITE001',
+      site_type: 'industriel',
+      consumption_kw: 120,
+      consumption_kwh: null,
+      voltage_v: null,
+      current_a: null,
+      power_factor: null,
+      temperature_celsius: 22,
+      humidity_percent: 55,
+      null_reasons: ['electrical_sensor_failure'],
+      data_quality: 'partial',
+    });
+
+    expect((result as { null_reasons: string[] }).null_reasons).toEqual([
+      'electrical_sensor_failure',
+    ]);
+  });
+});

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

@@ -0,0 +1,22 @@
+import { Service, inject } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
+import { environment } from '../../../environments/environment';
+import { Site } from '../../shared/models/site.model';
+import { SiteCurrent } from '../../shared/models/site-current.model';
+
+@Service()
+export class SitesService {
+  private http = inject(HttpClient);
+
+  getSites() {
+    return this.http.get<Site[]>(`${environment.apiUrl}/sites`);
+  }
+
+  getSite(siteId: string) {
+    return this.http.get<Site>(`${environment.apiUrl}/sites/${siteId}`);
+  }
+
+  getCurrent(siteId: string) {
+    return this.http.get<SiteCurrent>(`${environment.apiUrl}/sites/${siteId}/current`);
+  }
+}

apps/frontend/src/app/features/auth/change-password/change-password.html

@@ -1,31 +1,38 @@
 <div class="auth-page">
-  <form class="auth-card" [formGroup]="form" (ngSubmit)="onSubmit()">
-    <h1>Nouveau mot de passe</h1>
-    <p class="auth-subtitle">Votre mot de passe est provisoire, vous devez le modifier avant de continuer</p>
+  <form class="auth-card-wrapper" [formGroup]="form" (ngSubmit)="onSubmit()">
+    <ev-card>
+      <ev-brand class="auth-brand" />
+      <h1>Nouveau mot de passe</h1>
+      <p class="auth-subtitle">
+        Votre mot de passe est provisoire, vous devez le modifier avant de continuer
+      </p>
 
-    <label for="current_password">Mot de passe actuel</label>
-    <input
-      id="current_password"
-      type="password"
-      formControlName="current_password"
-      autocomplete="current-password"
-    />
+      <label class="form-label" for="current_password">Mot de passe actuel</label>
+      <input
+        id="current_password"
+        class="form-input"
+        type="password"
+        formControlName="current_password"
+        autocomplete="current-password"
+      />
 
-    <label for="new_password">Nouveau mot de passe</label>
-    <input
-      id="new_password"
-      type="password"
-      formControlName="new_password"
-      autocomplete="new-password"
-    />
-    <span class="auth-hint">12 à 128 caractères</span>
+      <label class="form-label" for="new_password">Nouveau mot de passe</label>
+      <input
+        id="new_password"
+        class="form-input"
+        type="password"
+        formControlName="new_password"
+        autocomplete="new-password"
+      />
+      <span class="form-hint">{{ passwordHint }}</span>
 
-    @if (errorMessage()) {
-      <p class="auth-error">{{ errorMessage() }}</p>
-    }
+      @if (errorMessage()) {
+        <ev-alert severity="danger">{{ errorMessage() }}</ev-alert>
+      }
 
-    <button type="submit" [disabled]="form.invalid || isLoading()">
-      {{ isLoading() ? 'Modification...' : 'Valider' }}
-    </button>
+      <ev-button type="submit" [disabled]="form.invalid || isLoading()">
+        {{ isLoading() ? 'Modification...' : 'Valider' }}
+      </ev-button>
+    </ev-card>
   </form>
 </div>

apps/frontend/src/app/features/auth/change-password/change-password.scss

@@ -1,88 +0,0 @@
-:host {
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  min-height: 100vh;
-  background: #f3f4f6;
-  font-family: 'Segoe UI', system-ui, sans-serif;
-}
-
-.auth-card {
-  background: #ffffff;
-  border: 1px solid #e5e7eb;
-  border-radius: 12px;
-  padding: 2.5rem;
-  width: 100%;
-  max-width: 360px;
-  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
-  display: flex;
-  flex-direction: column;
-
-  h1 {
-    margin: 0;
-    font-size: 1.5rem;
-    font-weight: 700;
-    color: #1f2937;
-  }
-
-  .auth-subtitle {
-    margin: 0.25rem 0 1.5rem;
-    color: #6b7280;
-    font-size: 0.9rem;
-    line-height: 1.4;
-  }
-
-  label {
-    font-size: 0.85rem;
-    font-weight: 600;
-    color: #374151;
-    margin-bottom: 0.35rem;
-    margin-top: 1rem;
-  }
-
-  input {
-    padding: 0.6rem 0.75rem;
-    border: 1px solid #d1d5db;
-    border-radius: 8px;
-    font-size: 0.95rem;
-
-    &:focus {
-      outline: none;
-      border-color: #3b82f6;
-      box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
-    }
-  }
-
-  button {
-    margin-top: 1.5rem;
-    padding: 0.7rem;
-    background: #3b82f6;
-    color: #fff;
-    border: none;
-    border-radius: 8px;
-    font-size: 0.95rem;
-    font-weight: 600;
-    cursor: pointer;
-
-    &:disabled {
-      background: #9ca3af;
-      cursor: not-allowed;
-    }
-
-    &:not(:disabled):hover {
-      background: #2563eb;
-    }
-  }
-}
-
-.auth-hint {
-  font-size: 0.75rem;
-  color: #9ca3af;
-  margin-top: 0.25rem;
-}
-
-.auth-error {
-  margin: 0.75rem 0 0;
-  color: #dc2626;
-  font-size: 0.85rem;
-}

apps/frontend/src/app/features/auth/change-password/change-password.spec.ts

@@ -32,10 +32,19 @@ describe('ChangePassword', () => {
     expect(authMock.changePassword).not.toHaveBeenCalled();
   });
 
+  it('ne soumet pas si le mot de passe ne couvre pas les 4 classes de caractères', () => {
+    const fixture = TestBed.createComponent(ChangePassword);
+    const component = fixture.componentInstance;
+    component.form.setValue({ current_password: 'old', new_password: 'longueur-suffisante-sans-majuscule-ni-chiffre' });
+
+    component.onSubmit();
+    expect(authMock.changePassword).not.toHaveBeenCalled();
+  });
+
   it('redirige vers /dashboard après un changement réussi', () => {
     const fixture = TestBed.createComponent(ChangePassword);
     const component = fixture.componentInstance;
-    component.form.setValue({ current_password: 'ancien-mot-de-passe', new_password: 'un-nouveau-mot-de-passe-valide' });
+    component.form.setValue({ current_password: 'ancien-mot-de-passe', new_password: 'Un-nouveau-mot-de-passe1!' });
 
     authMock.changePassword.mockReturnValue(of({ principal: { role: 'admin' } }));
 
@@ -46,7 +55,7 @@ describe('ChangePassword', () => {
   it("affiche un message d'erreur si le mot de passe actuel est incorrect", () => {
   const fixture = TestBed.createComponent(ChangePassword);
   const component = fixture.componentInstance;
-  component.form.setValue({ current_password: 'mauvais-mot-de-passe', new_password: 'un-nouveau-mot-de-passe-valide' });
+  component.form.setValue({ current_password: 'mauvais-mot-de-passe', new_password: 'Un-nouveau-mot-de-passe1!' });
 
   authMock.changePassword.mockReturnValue(throwError(() => new Error('401')));
 
@@ -54,7 +63,7 @@ describe('ChangePassword', () => {
   fixture.detectChanges(); // rend le bloc @if (errorMessage())
 
   expect(component.errorMessage()).toContain('incorrect');
-  const errorEl = fixture.nativeElement.querySelector('.auth-error');
+  const errorEl = fixture.nativeElement.querySelector('.ev-alert');
   expect(errorEl?.textContent).toContain('incorrect');
   });
 
@@ -64,13 +73,13 @@ describe('ChangePassword', () => {
 
   const button = fixture.nativeElement.querySelector('button[type="submit"]');
   expect(button.disabled).toBe(true);
-  expect(fixture.nativeElement.querySelector('.auth-error')).toBeNull();
+  expect(fixture.nativeElement.querySelector('.ev-alert')).toBeNull();
   });
 
   it('déclenche onSubmit via la soumission réelle du formulaire (ngSubmit)', () => {
   const fixture = TestBed.createComponent(ChangePassword);
   const component = fixture.componentInstance;
-  component.form.setValue({ current_password: 'ancien-mot-de-passe', new_password: 'un-nouveau-mot-de-passe-valide' });
+  component.form.setValue({ current_password: 'ancien-mot-de-passe', new_password: 'Un-nouveau-mot-de-passe1!' });
   fixture.detectChanges();
 
   authMock.changePassword.mockReturnValue(of({ principal: { role: 'admin' } }));
@@ -81,7 +90,7 @@ describe('ChangePassword', () => {
 
   expect(authMock.changePassword).toHaveBeenCalledWith({
     current_password: 'ancien-mot-de-passe',
-    new_password: 'un-nouveau-mot-de-passe-valide',
+    new_password: 'Un-nouveau-mot-de-passe1!',
   });
 });
 

apps/frontend/src/app/features/auth/change-password/change-password.ts

@@ -2,11 +2,16 @@ import { Component, inject, signal } from '@angular/core';
 import { ReactiveFormsModule, FormBuilder, Validators } from '@angular/forms';
 import { Router } from '@angular/router';
 import { AuthService } from '../../../core/services/auth.service';
+import { Button } from '../../../shared/components/ui/button/button';
+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 { passwordValidators, PASSWORD_HINT } from '../../../shared/validators/password.validator';
 
 @Component({
   selector: 'app-change-password',
   standalone: true,
-  imports: [ReactiveFormsModule],
+  imports: [ReactiveFormsModule, Button, Card, Alert, Brand],
   templateUrl: './change-password.html',
   styleUrl: './change-password.scss',
 })
@@ -17,10 +22,11 @@ export class ChangePassword {
 
   errorMessage = signal<string | null>(null);
   isLoading = signal(false);
+  passwordHint = PASSWORD_HINT;
 
   form = this.fb.nonNullable.group({
     current_password: ['', Validators.required],
-    new_password: ['', [Validators.required, Validators.minLength(12), Validators.maxLength(128)]],
+    new_password: ['', passwordValidators],
   });
 
   onSubmit(): void {
@@ -34,7 +40,9 @@ export class ChangePassword {
       },
       error: () => {
         this.isLoading.set(false);
-        this.errorMessage.set('Mot de passe actuel incorrect, ou nouveau mot de passe invalide (12 à 128 caractères).');
+        this.errorMessage.set(
+          `Mot de passe actuel incorrect, ou nouveau mot de passe invalide (${this.passwordHint}).`,
+        );
       },
     });
   }

apps/frontend/src/app/features/auth/forgot-password/forgot-password.html

@@ -0,0 +1,37 @@
+<div class="auth-page">
+  <form class="auth-card" [formGroup]="form" (ngSubmit)="onSubmit()">
+    <h1>Mot de passe oublié</h1>
+    <p class="auth-subtitle">Recevez un lien de réinitialisation par email</p>
+
+    @if (submitted()) {
+      <p class="auth-success">
+        Si un compte existe pour cet email, un lien de réinitialisation vient d'être envoyé.
+        Il expire dans 15 minutes.
+      </p>
+    } @else {
+      <label for="email">Email</label>
+      <input
+        id="email"
+        type="email"
+        formControlName="email"
+        autocomplete="username"
+        placeholder="vous@enervision.fr"
+      />
+
+      @if (errorMessage()) {
+        <p class="auth-error">
+          {{ errorMessage() }}
+          @if (retryAfterSeconds(); as seconds) {
+            (réessayez dans {{ seconds }}s)
+          }
+        </p>
+      }
+
+      <button type="submit" [disabled]="form.invalid || isLoading()">
+        {{ isLoading() ? 'Envoi...' : 'Envoyer le lien' }}
+      </button>
+    }
+
+    <p class="auth-link"><a routerLink="/login">Retour à la connexion</a></p>
+  </form>
+</div>

apps/frontend/src/app/features/auth/forgot-password/forgot-password.scss

@@ -0,0 +1,104 @@
+:host {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  min-height: 100vh;
+  background: #f3f4f6;
+  font-family: 'Segoe UI', system-ui, sans-serif;
+}
+
+.auth-card {
+  background: #ffffff;
+  border: 1px solid #e5e7eb;
+  border-radius: 12px;
+  padding: 2.5rem;
+  width: 100%;
+  max-width: 360px;
+  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
+  display: flex;
+  flex-direction: column;
+
+  h1 {
+    margin: 0;
+    font-size: 1.5rem;
+    font-weight: 700;
+    color: #1f2937;
+  }
+
+  .auth-subtitle {
+    margin: 0.25rem 0 1.5rem;
+    color: #6b7280;
+    font-size: 0.9rem;
+    line-height: 1.4;
+  }
+
+  label {
+    font-size: 0.85rem;
+    font-weight: 600;
+    color: #374151;
+    margin-bottom: 0.35rem;
+    margin-top: 1rem;
+  }
+
+  input {
+    padding: 0.6rem 0.75rem;
+    border: 1px solid #d1d5db;
+    border-radius: 8px;
+    font-size: 0.95rem;
+
+    &:focus {
+      outline: none;
+      border-color: #3b82f6;
+      box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
+    }
+  }
+
+  button {
+    margin-top: 1.5rem;
+    padding: 0.7rem;
+    background: #3b82f6;
+    color: #fff;
+    border: none;
+    border-radius: 8px;
+    font-size: 0.95rem;
+    font-weight: 600;
+    cursor: pointer;
+
+    &:disabled {
+      background: #9ca3af;
+      cursor: not-allowed;
+    }
+
+    &:not(:disabled):hover {
+      background: #2563eb;
+    }
+  }
+}
+
+.auth-hint {
+  font-size: 0.75rem;
+  color: #9ca3af;
+  margin-top: 0.25rem;
+}
+
+.auth-error {
+  margin: 0.75rem 0 0;
+  color: #dc2626;
+  font-size: 0.85rem;
+}
+
+.auth-success {
+  margin: 0.75rem 0 0;
+  color: #16a34a;
+  font-size: 0.85rem;
+}
+
+.auth-link {
+  margin-top: 1rem;
+  font-size: 0.85rem;
+  text-align: center;
+
+  a {
+    color: #3b82f6;
+  }
+}

apps/frontend/src/app/features/auth/forgot-password/forgot-password.spec.ts

@@ -0,0 +1,75 @@
+import { TestBed } from '@angular/core/testing';
+import { ReactiveFormsModule } from '@angular/forms';
+import { ActivatedRoute, Router } from '@angular/router';
+import { HttpErrorResponse, HttpHeaders } from '@angular/common/http';
+import { of, throwError } from 'rxjs';
+import { vi } from 'vitest';
+import { ForgotPassword } from './forgot-password';
+import { AuthService } from '../../../core/services/auth.service';
+
+describe('ForgotPassword', () => {
+  let authMock: { forgotPassword: ReturnType<typeof vi.fn> };
+  let routerMock: { navigate: ReturnType<typeof vi.fn> };
+
+  beforeEach(async () => {
+    authMock = { forgotPassword: vi.fn() };
+    routerMock = { navigate: vi.fn() };
+
+    await TestBed.configureTestingModule({
+      imports: [ForgotPassword, ReactiveFormsModule],
+      providers: [
+        { provide: AuthService, useValue: authMock },
+        { provide: Router, useValue: routerMock },
+        { provide: ActivatedRoute, useValue: {} },
+      ],
+    }).compileComponents();
+  });
+
+  it('ne soumet pas si le formulaire est invalide', () => {
+    const fixture = TestBed.createComponent(ForgotPassword);
+    fixture.componentInstance.onSubmit();
+    expect(authMock.forgotPassword).not.toHaveBeenCalled();
+  });
+
+  it('affiche le message générique après une soumission réussie', () => {
+    const fixture = TestBed.createComponent(ForgotPassword);
+    const component = fixture.componentInstance;
+    component.form.setValue({ email: 'operateur@enervision.fr' });
+    authMock.forgotPassword.mockReturnValue(of(undefined));
+
+    component.onSubmit();
+
+    expect(component.submitted()).toBe(true);
+  });
+
+  it('affiche le même message générique même quand le serveur répond une erreur autre que 429', () => {
+    const fixture = TestBed.createComponent(ForgotPassword);
+    const component = fixture.componentInstance;
+    component.form.setValue({ email: 'inconnu@enervision.fr' });
+    authMock.forgotPassword.mockReturnValue(throwError(() => new HttpErrorResponse({ status: 500 })));
+
+    component.onSubmit();
+
+    expect(component.submitted()).toBe(true);
+  });
+
+  it('affiche le délai à respecter quand le taux limite est atteint', () => {
+    const fixture = TestBed.createComponent(ForgotPassword);
+    const component = fixture.componentInstance;
+    component.form.setValue({ email: 'operateur@enervision.fr' });
+    authMock.forgotPassword.mockReturnValue(
+      throwError(
+        () =>
+          new HttpErrorResponse({
+            status: 429,
+            headers: new HttpHeaders({ 'Retry-After': '900' }),
+          })
+      )
+    );
+
+    component.onSubmit();
+
+    expect(component.submitted()).toBe(false);
+    expect(component.retryAfterSeconds()).toBe(900);
+  });
+});

apps/frontend/src/app/features/auth/forgot-password/forgot-password.ts

@@ -0,0 +1,53 @@
+import { Component, inject, signal } from '@angular/core';
+import { ReactiveFormsModule, FormBuilder, Validators } from '@angular/forms';
+import { RouterLink } from '@angular/router';
+import { HttpErrorResponse } from '@angular/common/http';
+import { AuthService } from '../../../core/services/auth.service';
+
+@Component({
+  selector: 'app-forgot-password',
+  standalone: true,
+  imports: [ReactiveFormsModule, RouterLink],
+  templateUrl: './forgot-password.html',
+  styleUrl: './forgot-password.scss',
+})
+export class ForgotPassword {
+  private fb = inject(FormBuilder);
+  private auth = inject(AuthService);
+
+  errorMessage = signal<string | null>(null);
+  retryAfterSeconds = signal<number | null>(null);
+  submitted = signal(false);
+  isLoading = signal(false);
+
+  form = this.fb.nonNullable.group({
+    email: ['', [Validators.required, Validators.email]],
+  });
+
+  onSubmit(): void {
+    if (this.form.invalid) return;
+
+    this.isLoading.set(true);
+    this.errorMessage.set(null);
+    this.retryAfterSeconds.set(null);
+
+    this.auth.forgotPassword(this.form.getRawValue()).subscribe({
+      // Le message affiché ne dépend jamais du fait que le compte existe ou non : la réponse
+      // du serveur est déjà générique, l'écran doit l'être aussi.
+      next: () => {
+        this.isLoading.set(false);
+        this.submitted.set(true);
+      },
+      error: (error: HttpErrorResponse) => {
+        this.isLoading.set(false);
+        if (error.status === 429) {
+          const retryAfter = error.headers.get('Retry-After');
+          this.retryAfterSeconds.set(retryAfter ? Number(retryAfter) : null);
+          this.errorMessage.set('Trop de demandes, réessayez plus tard.');
+          return;
+        }
+        this.submitted.set(true);
+      },
+    });
+  }
+}

apps/frontend/src/app/features/auth/login/login.html

@@ -1,36 +1,43 @@
 <div class="auth-page">
-  <form class="auth-card" [formGroup]="form" (ngSubmit)="onSubmit()">
-    <h1>Connexion</h1>
-    <p class="auth-subtitle">Accédez à votre espace EnerVision</p>
+  <form class="auth-card-wrapper" [formGroup]="form" (ngSubmit)="onSubmit()">
+    <ev-card>
+      <ev-brand class="auth-brand" />
+      <h1>Connexion</h1>
+      <p class="auth-subtitle">Accédez à votre espace EnerVision</p>
 
-    <label for="email">Email</label>
-    <input
-      id="email"
-      type="email"
-      formControlName="email"
-      autocomplete="username"
-      placeholder="vous@enervision.fr"
-    />
+      <label class="form-label" for="email">Email</label>
+      <input
+        id="email"
+        class="form-input"
+        type="email"
+        formControlName="email"
+        autocomplete="username"
+        placeholder="vous@enervision.fr"
+      />
 
-    <label for="password">Mot de passe</label>
-    <input
-      id="password"
-      type="password"
-      formControlName="password"
-      autocomplete="current-password"
-    />
+      <label class="form-label" for="password">Mot de passe</label>
+      <input
+        id="password"
+        class="form-input"
+        type="password"
+        formControlName="password"
+        autocomplete="current-password"
+      />
 
-    @if (errorMessage()) {
-      <p class="auth-error">
-        {{ errorMessage() }}
-        @if (retryAfterSeconds(); as seconds) {
-          (réessayez dans {{ seconds }}s)
-        }
-      </p>
-    }
+      @if (errorMessage()) {
+        <ev-alert severity="danger">
+          {{ errorMessage() }}
+          @if (retryAfterSeconds(); as seconds) {
+            (réessayez dans {{ seconds }}s)
+          }
+        </ev-alert>
+      }
 
-    <button type="submit" [disabled]="form.invalid || isLoading()">
-      {{ isLoading() ? 'Connexion...' : 'Se connecter' }}
-    </button>
+      <ev-button type="submit" [disabled]="form.invalid || isLoading()">
+        {{ isLoading() ? 'Connexion...' : 'Se connecter' }}
+      </ev-button>
+
+      <p class="auth-link"><a routerLink="/forgot-password">Mot de passe oublié ?</a></p>
+    </ev-card>
   </form>
 </div>

apps/frontend/src/app/features/auth/login/login.scss

@@ -1,81 +1,9 @@
-:host {
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  min-height: 100vh;
-  background: #f3f4f6;
-  font-family: 'Segoe UI', system-ui, sans-serif;
-}
-
-.auth-card {
-  background: #ffffff;
-  border: 1px solid #e5e7eb;
-  border-radius: 12px;
-  padding: 2.5rem;
-  width: 100%;
-  max-width: 360px;
-  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
-  display: flex;
-  flex-direction: column;
-
-  h1 {
-    margin: 0;
-    font-size: 1.5rem;
-    font-weight: 700;
-    color: #1f2937;
-  }
-
-  .auth-subtitle {
-    margin: 0.25rem 0 1.5rem;
-    color: #6b7280;
-    font-size: 0.9rem;
-  }
-
-  label {
-    font-size: 0.85rem;
-    font-weight: 600;
-    color: #374151;
-    margin-bottom: 0.35rem;
-    margin-top: 1rem;
-  }
-
-  input {
-    padding: 0.6rem 0.75rem;
-    border: 1px solid #d1d5db;
-    border-radius: 8px;
-    font-size: 0.95rem;
-
-    &:focus {
-      outline: none;
-      border-color: #3b82f6;
-      box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
-    }
-  }
-
-  button {
-    margin-top: 1.5rem;
-    padding: 0.7rem;
-    background: #3b82f6;
-    color: #fff;
-    border: none;
-    border-radius: 8px;
-    font-size: 0.95rem;
-    font-weight: 600;
-    cursor: pointer;
-
-    &:disabled {
-      background: #9ca3af;
-      cursor: not-allowed;
-    }
-
-    &:not(:disabled):hover {
-      background: #2563eb;
-    }
-  }
-}
-
-.auth-error {
-  margin: 0.75rem 0 0;
-  color: #dc2626;
+.auth-link {
+  margin-top: 1rem;
   font-size: 0.85rem;
+  text-align: center;
+
+  a {
+    color: #3b82f6;
+  }
 }

apps/frontend/src/app/features/auth/login/login.spec.ts

@@ -1,27 +1,43 @@
 import { TestBed } from '@angular/core/testing';
 import { ReactiveFormsModule } from '@angular/forms';
-import { Router } from '@angular/router';
+import { ActivatedRoute, convertToParamMap, Router } from '@angular/router';
 import { HttpErrorResponse, HttpHeaders } from '@angular/common/http';
 import { of, throwError } from 'rxjs';
 import { vi } from 'vitest';
 import { Login } from './login';
 import { AuthService } from '../../../core/services/auth.service';
+import { MOTIF_LIEN_RESET_INVALIDE } from '../../../shared/models/auth-redirect-reason';
+
+function configure(queryParams: Record<string, string> = {}) {
+  const authMock = { login: vi.fn() };
+  const routerMock = { navigate: vi.fn() };
+
+  return {
+    authMock,
+    routerMock,
+    testBed: TestBed.configureTestingModule({
+      imports: [Login, ReactiveFormsModule],
+      providers: [
+        { provide: AuthService, useValue: authMock },
+        { provide: Router, useValue: routerMock },
+        {
+          provide: ActivatedRoute,
+          useValue: { snapshot: { queryParamMap: convertToParamMap(queryParams) } },
+        },
+      ],
+    }),
+  };
+}
 
 describe('Login', () => {
   let authMock: { login: ReturnType<typeof vi.fn> };
   let routerMock: { navigate: ReturnType<typeof vi.fn> };
 
   beforeEach(async () => {
-    authMock = { login: vi.fn() };
-    routerMock = { navigate: vi.fn() };
-
-    await TestBed.configureTestingModule({
-      imports: [Login, ReactiveFormsModule],
-      providers: [
-        { provide: AuthService, useValue: authMock },
-        { provide: Router, useValue: routerMock },
-      ],
-    }).compileComponents();
+    const attirail = configure();
+    authMock = attirail.authMock;
+    routerMock = attirail.routerMock;
+    await attirail.testBed.compileComponents();
   });
 
   it('ne soumet pas si le formulaire est invalide', () => {
@@ -63,7 +79,7 @@ describe('Login', () => {
   fixture.detectChanges(); // rend le bloc @if (errorMessage()) du template
 
   expect(component.errorMessage()).toBe('Email ou mot de passe incorrect.');
-  const errorEl = fixture.nativeElement.querySelector('.auth-error');
+  const errorEl = fixture.nativeElement.querySelector('.ev-alert');
   expect(errorEl?.textContent).toContain('Email ou mot de passe incorrect.');
   });
 
@@ -80,17 +96,25 @@ describe('Login', () => {
     fixture.detectChanges(); // rend aussi le sous-bloc @if (retryAfterSeconds(); as seconds)
 
     expect(component.retryAfterSeconds()).toBe(30);
-    const errorEl = fixture.nativeElement.querySelector('.auth-error');
+    const errorEl = fixture.nativeElement.querySelector('.ev-alert');
     expect(errorEl?.textContent).toContain('30s');
   });
 
+  it('affiche le message standard quand on arrive avec ?motif=lien-expire', async () => {
+    const attirail = configure({ motif: MOTIF_LIEN_RESET_INVALIDE });
+    await attirail.testBed.compileComponents();
+    const fixture = TestBed.createComponent(Login);
+
+    expect(fixture.componentInstance.errorMessage()).toContain('expiré');
+  });
+
   it('désactive le bouton tant que le formulaire est invalide', () => {
     const fixture = TestBed.createComponent(Login);
     fixture.detectChanges();
 
     const button = fixture.nativeElement.querySelector('button[type="submit"]');
     expect(button.disabled).toBe(true);
-    expect(fixture.nativeElement.querySelector('.auth-error')).toBeNull();
+    expect(fixture.nativeElement.querySelector('.ev-alert')).toBeNull();
   });
 
  it('déclenche onSubmit via la soumission réelle du formulaire (ngSubmit)', () => {

apps/frontend/src/app/features/auth/login/login.ts

@@ -1,13 +1,21 @@
 import { Component, inject, signal } from '@angular/core';
 import { ReactiveFormsModule, FormBuilder, Validators } from '@angular/forms';
-import { Router } from '@angular/router';
+import { ActivatedRoute, Router, RouterLink } from '@angular/router';
 import { HttpErrorResponse } from '@angular/common/http';
 import { AuthService } from '../../../core/services/auth.service';
+import { Button } from '../../../shared/components/ui/button/button';
+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 {
+  MESSAGE_LIEN_RESET_INVALIDE,
+  MOTIF_LIEN_RESET_INVALIDE,
+} from '../../../shared/models/auth-redirect-reason';
 
 @Component({
   selector: 'app-login',
   standalone: true,
-  imports: [ReactiveFormsModule],
+  imports: [ReactiveFormsModule, RouterLink, Button, Card, Alert, Brand],
   templateUrl: './login.html',
   styleUrl: './login.scss',
 })
@@ -15,8 +23,13 @@ export class Login {
   private fb = inject(FormBuilder);
   private auth = inject(AuthService);
   private router = inject(Router);
+  private route = inject(ActivatedRoute);
 
-  errorMessage = signal<string | null>(null);
+  errorMessage = signal<string | null>(
+    this.route.snapshot.queryParamMap.get('motif') === MOTIF_LIEN_RESET_INVALIDE
+      ? MESSAGE_LIEN_RESET_INVALIDE
+      : null,
+  );
   retryAfterSeconds = signal<number | null>(null);
   isLoading = signal(false);
 

apps/frontend/src/app/features/auth/reset-password/reset-password.html

@@ -0,0 +1,32 @@
+<div class="auth-page">
+  <form class="auth-card" [formGroup]="form" (ngSubmit)="onSubmit()">
+    <h1>Nouveau mot de passe</h1>
+
+    @if (hasToken && !isCheckingToken()) {
+      <p class="auth-subtitle">Choisissez votre nouveau mot de passe</p>
+
+      <label for="new_password">Nouveau mot de passe</label>
+      <input
+        id="new_password"
+        type="password"
+        formControlName="new_password"
+        autocomplete="new-password"
+      />
+      <app-password-requirements [password]="password()" />
+
+      @if (errorMessage()) {
+        <p class="auth-error">{{ errorMessage() }}</p>
+      }
+
+      <button type="submit" [disabled]="form.invalid || isLoading()">
+        {{ isLoading() ? 'Modification...' : 'Valider' }}
+      </button>
+    }
+
+    @if (hasToken && isCheckingToken()) {
+      <p class="auth-subtitle">Vérification du lien...</p>
+    }
+
+    <p class="auth-link"><a routerLink="/forgot-password">Redemander un lien</a></p>
+  </form>
+</div>

apps/frontend/src/app/features/auth/reset-password/reset-password.scss

@@ -0,0 +1,104 @@
+:host {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  min-height: 100vh;
+  background: #f3f4f6;
+  font-family: 'Segoe UI', system-ui, sans-serif;
+}
+
+.auth-card {
+  background: #ffffff;
+  border: 1px solid #e5e7eb;
+  border-radius: 12px;
+  padding: 2.5rem;
+  width: 100%;
+  max-width: 360px;
+  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
+  display: flex;
+  flex-direction: column;
+
+  h1 {
+    margin: 0;
+    font-size: 1.5rem;
+    font-weight: 700;
+    color: #1f2937;
+  }
+
+  .auth-subtitle {
+    margin: 0.25rem 0 1.5rem;
+    color: #6b7280;
+    font-size: 0.9rem;
+    line-height: 1.4;
+  }
+
+  label {
+    font-size: 0.85rem;
+    font-weight: 600;
+    color: #374151;
+    margin-bottom: 0.35rem;
+    margin-top: 1rem;
+  }
+
+  input {
+    padding: 0.6rem 0.75rem;
+    border: 1px solid #d1d5db;
+    border-radius: 8px;
+    font-size: 0.95rem;
+
+    &:focus {
+      outline: none;
+      border-color: #3b82f6;
+      box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
+    }
+  }
+
+  button {
+    margin-top: 1.5rem;
+    padding: 0.7rem;
+    background: #3b82f6;
+    color: #fff;
+    border: none;
+    border-radius: 8px;
+    font-size: 0.95rem;
+    font-weight: 600;
+    cursor: pointer;
+
+    &:disabled {
+      background: #9ca3af;
+      cursor: not-allowed;
+    }
+
+    &:not(:disabled):hover {
+      background: #2563eb;
+    }
+  }
+}
+
+.auth-hint {
+  font-size: 0.75rem;
+  color: #9ca3af;
+  margin-top: 0.25rem;
+}
+
+.auth-error {
+  margin: 0.75rem 0 0;
+  color: #dc2626;
+  font-size: 0.85rem;
+}
+
+.auth-success {
+  margin: 0.75rem 0 0;
+  color: #16a34a;
+  font-size: 0.85rem;
+}
+
+.auth-link {
+  margin-top: 1rem;
+  font-size: 0.85rem;
+  text-align: center;
+
+  a {
+    color: #3b82f6;
+  }
+}

apps/frontend/src/app/features/auth/reset-password/reset-password.spec.ts

@@ -0,0 +1,129 @@
+import { TestBed } from '@angular/core/testing';
+import { ReactiveFormsModule } from '@angular/forms';
+import { ActivatedRoute, convertToParamMap, Router } from '@angular/router';
+import { HttpErrorResponse } from '@angular/common/http';
+import { of, throwError } from 'rxjs';
+import { vi } from 'vitest';
+import { ResetPassword } from './reset-password';
+import { AuthService } from '../../../core/services/auth.service';
+import { MOTIF_LIEN_RESET_INVALIDE } from '../../../shared/models/auth-redirect-reason';
+
+function configure(token: string | null) {
+  return TestBed.configureTestingModule({
+    imports: [ResetPassword, ReactiveFormsModule],
+    providers: [
+      {
+        provide: AuthService,
+        useValue: {
+          resetPassword: vi.fn(),
+          validateResetToken: vi.fn().mockReturnValue(of({ valid: true })),
+        },
+      },
+      { provide: Router, useValue: { navigate: vi.fn() } },
+      {
+        provide: ActivatedRoute,
+        useValue: { snapshot: { queryParamMap: convertToParamMap(token ? { token } : {}) } },
+      },
+    ],
+  }).compileComponents();
+}
+
+describe('ResetPassword', () => {
+  it("redirige vers /login avec le motif standard quand le jeton est absent de l'URL", async () => {
+    await configure(null);
+    const fixture = TestBed.createComponent(ResetPassword);
+    const router = TestBed.inject(Router) as unknown as { navigate: ReturnType<typeof vi.fn> };
+
+    fixture.detectChanges();
+
+    expect(fixture.componentInstance.hasToken).toBe(false);
+    expect(router.navigate).toHaveBeenCalledWith(['/login'], {
+      queryParams: { motif: MOTIF_LIEN_RESET_INVALIDE },
+    });
+  });
+
+  it('vérifie le jeton sans le consommer dès le chargement de la page', async () => {
+    await configure('un-secret-opaque');
+    const fixture = TestBed.createComponent(ResetPassword);
+    const auth = TestBed.inject(AuthService) as unknown as { validateResetToken: ReturnType<typeof vi.fn> };
+
+    fixture.detectChanges();
+
+    expect(auth.validateResetToken).toHaveBeenCalledWith('un-secret-opaque');
+    expect(fixture.componentInstance.isCheckingToken()).toBe(false);
+  });
+
+  it('redirige immédiatement vers /login si la vérification signale un jeton invalide', async () => {
+    await configure('un-secret-perime');
+    TestBed.overrideProvider(AuthService, {
+      useValue: { resetPassword: vi.fn(), validateResetToken: vi.fn().mockReturnValue(of({ valid: false })) },
+    });
+    const fixture = TestBed.createComponent(ResetPassword);
+    const router = TestBed.inject(Router) as unknown as { navigate: ReturnType<typeof vi.fn> };
+
+    fixture.detectChanges();
+
+    expect(router.navigate).toHaveBeenCalledWith(['/login'], {
+      queryParams: { motif: MOTIF_LIEN_RESET_INVALIDE },
+    });
+  });
+
+  it('ne soumet pas si le mot de passe ne respecte pas la politique de complexité', async () => {
+    await configure('un-secret-opaque');
+    const fixture = TestBed.createComponent(ResetPassword);
+    const component = fixture.componentInstance;
+    const auth = TestBed.inject(AuthService) as unknown as { resetPassword: ReturnType<typeof vi.fn> };
+    component.form.setValue({ new_password: 'trop-simple' });
+
+    component.onSubmit();
+
+    expect(auth.resetPassword).not.toHaveBeenCalled();
+  });
+
+  it('redirige vers /dashboard après une réinitialisation réussie', async () => {
+    await configure('un-secret-opaque');
+    const fixture = TestBed.createComponent(ResetPassword);
+    const component = fixture.componentInstance;
+    const auth = TestBed.inject(AuthService) as unknown as { resetPassword: ReturnType<typeof vi.fn> };
+    const router = TestBed.inject(Router) as unknown as { navigate: ReturnType<typeof vi.fn> };
+    component.form.setValue({ new_password: 'Un-nouveau-mot-de-passe1!' });
+    auth.resetPassword.mockReturnValue(of({ principal: { role: 'operateur' } }));
+
+    component.onSubmit();
+
+    expect(auth.resetPassword).toHaveBeenCalledWith({
+      token: 'un-secret-opaque',
+      new_password: 'Un-nouveau-mot-de-passe1!',
+    });
+    expect(router.navigate).toHaveBeenCalledWith(['/dashboard']);
+  });
+
+  it('redirige vers /login avec le motif standard quand le lien est invalide ou expiré', async () => {
+    await configure('un-secret-perime');
+    const fixture = TestBed.createComponent(ResetPassword);
+    const component = fixture.componentInstance;
+    const auth = TestBed.inject(AuthService) as unknown as { resetPassword: ReturnType<typeof vi.fn> };
+    const router = TestBed.inject(Router) as unknown as { navigate: ReturnType<typeof vi.fn> };
+    component.form.setValue({ new_password: 'Un-nouveau-mot-de-passe1!' });
+    auth.resetPassword.mockReturnValue(throwError(() => new HttpErrorResponse({ status: 400 })));
+
+    component.onSubmit();
+
+    expect(router.navigate).toHaveBeenCalledWith(['/login'], {
+      queryParams: { motif: MOTIF_LIEN_RESET_INVALIDE },
+    });
+  });
+
+  it('affiche un message générique sur une erreur inattendue (pas 400)', async () => {
+    await configure('un-secret-opaque');
+    const fixture = TestBed.createComponent(ResetPassword);
+    const component = fixture.componentInstance;
+    const auth = TestBed.inject(AuthService) as unknown as { resetPassword: ReturnType<typeof vi.fn> };
+    component.form.setValue({ new_password: 'Un-nouveau-mot-de-passe1!' });
+    auth.resetPassword.mockReturnValue(throwError(() => new HttpErrorResponse({ status: 500 })));
+
+    component.onSubmit();
+
+    expect(component.errorMessage()).toContain('invalide');
+  });
+});

apps/frontend/src/app/features/auth/reset-password/reset-password.ts

@@ -0,0 +1,79 @@
+import { Component, OnInit, inject, signal } from '@angular/core';
+import { toSignal } from '@angular/core/rxjs-interop';
+import { ReactiveFormsModule, FormBuilder } from '@angular/forms';
+import { ActivatedRoute, Router, RouterLink } from '@angular/router';
+import { HttpErrorResponse } from '@angular/common/http';
+import { AuthService } from '../../../core/services/auth.service';
+import { passwordValidators, PASSWORD_HINT } from '../../../shared/validators/password.validator';
+import { PasswordRequirementsChecklist } from '../../../shared/components/password-requirements/password-requirements';
+import { MOTIF_LIEN_RESET_INVALIDE } from '../../../shared/models/auth-redirect-reason';
+
+@Component({
+  selector: 'app-reset-password',
+  standalone: true,
+  imports: [ReactiveFormsModule, RouterLink, PasswordRequirementsChecklist],
+  templateUrl: './reset-password.html',
+  styleUrl: './reset-password.scss',
+})
+export class ResetPassword implements OnInit {
+  private fb = inject(FormBuilder);
+  private auth = inject(AuthService);
+  private router = inject(Router);
+  private route = inject(ActivatedRoute);
+
+  private token = this.route.snapshot.queryParamMap.get('token') ?? '';
+
+  errorMessage = signal<string | null>(null);
+  isLoading = signal(false);
+  passwordHint = PASSWORD_HINT;
+  hasToken = this.token.length > 0;
+
+  form = this.fb.nonNullable.group({
+    new_password: ['', passwordValidators],
+  });
+
+  password = toSignal(this.form.controls.new_password.valueChanges, { initialValue: '' });
+  isCheckingToken = signal(this.hasToken);
+
+  ngOnInit(): void {
+    if (!this.hasToken) {
+      this.redirigeVersLoginLienInvalide();
+      return;
+    }
+
+    this.auth.validateResetToken(this.token).subscribe({
+      next: ({ valid }) => {
+        this.isCheckingToken.set(false);
+        if (!valid) {
+          this.redirigeVersLoginLienInvalide();
+        }
+      },
+      error: () => this.isCheckingToken.set(false),
+    });
+  }
+
+  onSubmit(): void {
+    if (this.form.invalid || !this.hasToken) return;
+
+    this.isLoading.set(true);
+    this.errorMessage.set(null);
+
+    this.auth.resetPassword({ token: this.token, new_password: this.form.getRawValue().new_password }).subscribe({
+      next: () => {
+        this.router.navigate(['/dashboard']);
+      },
+      error: (error: HttpErrorResponse) => {
+        this.isLoading.set(false);
+        if (error.status === 400) {
+          this.redirigeVersLoginLienInvalide();
+          return;
+        }
+        this.errorMessage.set(`Nouveau mot de passe invalide (${this.passwordHint}).`);
+      },
+    });
+  }
+
+  private redirigeVersLoginLienInvalide(): void {
+    this.router.navigate(['/login'], { queryParams: { motif: MOTIF_LIEN_RESET_INVALIDE } });
+  }
+}

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

@@ -1,19 +1,33 @@
 <div class="dashboard">
   <header class="dashboard__header">
-    <div>
-      <h1>Vue d'ensemble</h1>
-      <p class="dashboard__subtitle">Consommation instantanée du parc</p>
+    <div class="dashboard__brand">
+      <a routerLink="/dashboard" class="ev-brand-link">
+        <ev-brand class="dashboard__logo" />
+      </a>
+      <div>
+        <h1>Vue d'ensemble</h1>
+        <p class="dashboard__subtitle">Consommation instantanée du parc</p>
+      </div>
+    </div>
+    <div class="dashboard__actions">
+      <a routerLink="/sites" class="ev-link">Voir les sites</a>
+      <ev-button
+        class="logout-button"
+        variant="secondary"
+        [fullWidth]="false"
+        (click)="onLogout()"
+        >Déconnexion</ev-button
+      >
     </div>
-    <button type="button" class="logout-button" (click)="onLogout()">Déconnexion</button>
   </header>
 
   @if (error(); as message) {
-    <p class="banner-error" role="alert">{{ message }}</p>
+    <ev-alert severity="danger" class="banner-error">{{ message }}</ev-alert>
   }
 
   @if (stats(); as s) {
     <section class="overview">
-      <div class="card card--gauge">
+      <ev-card class="card card--gauge">
         <span class="card__label">Consommation vs capacité</span>
         <app-consumption-gauge
           [consumption]="s.total_consumption_kw"
@@ -23,20 +37,20 @@
           >{{ s.total_consumption_kw | number: '1.0-1' }} /
           {{ s.total_capacity_kw | number }} kW</span
         >
-      </div>
+      </ev-card>
 
-      <div class="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>
-      </div>
+      </ev-card>
 
-      <div class="card">
+      <ev-card class="card">
         <span class="card__label">Sites suivis</span>
         <span class="card__value">{{ s.total_sites }}</span>
-      </div>
+      </ev-card>
     </section>
 
     <section class="chart-section">
@@ -50,8 +64,8 @@
       <h2>Alertes actives</h2>
       <ul class="alerts-list">
         @for (alert of alerts(); track alert.alert_id) {
-          <li class="alert-item" [class]="'alert-item--' + alert.severity">
-            <span class="alert-item__badge">{{ alert.severity }}</span>
+          <li class="alert-item">
+            <ev-badge [tone]="badgeToneForSeverity(alert.severity)">{{ alert.severity }}</ev-badge>
             <span class="alert-item__message">{{ alert.message }}</span>
           </li>
         }

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

@@ -1,23 +1,22 @@
 :host {
-  --color-good: #2e7d32;
-  --color-partial: #f9a825;
-  --color-degraded: #ef6c00;
-  --color-critical: #c62828;
-  --color-bg-card: #ffffff;
-  --color-border: #e5e7eb;
-  --color-text-muted: #6b7280;
-  --radius: 10px;
-
   display: block;
-  font-family: 'Segoe UI', system-ui, sans-serif;
-  color: #1f2937;
-  padding: 2rem;
+  color: var(--color-text);
+  padding: 2.5rem 2rem;
   max-width: 1100px;
   margin: 0 auto;
 }
 
 .dashboard__header {
+  display: flex;
+  align-items: flex-start;
+  justify-content: space-between;
   margin-bottom: 2rem;
+}
+
+.dashboard__brand {
+  display: flex;
+  align-items: center;
+  gap: 0.85rem;
 
   h1 {
     margin: 0;
@@ -26,11 +25,21 @@
   }
 }
 
+.dashboard__logo {
+  font-size: 1.3rem;
+}
+
 .dashboard__subtitle {
   margin: 0.25rem 0 0;
   color: var(--color-text-muted);
 }
 
+.dashboard__actions {
+  display: flex;
+  align-items: center;
+  gap: 1rem;
+}
+
 h2 {
   font-size: 1.1rem;
   font-weight: 600;
@@ -38,13 +47,8 @@ h2 {
 }
 
 .banner-error {
+  display: block;
   margin: 0 0 1.5rem;
-  padding: 0.75rem 1rem;
-  border: 1px solid var(--color-critical);
-  border-left-width: 4px;
-  border-radius: var(--radius);
-  background: #fdecea;
-  color: var(--color-critical);
 }
 
 .overview {
@@ -55,14 +59,8 @@ h2 {
 }
 
 .card {
-  background: var(--color-bg-card);
-  border: 1px solid var(--color-border);
-  border-radius: var(--radius);
   padding: 1.25rem;
-  display: flex;
-  flex-direction: column;
   gap: 0.35rem;
-  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
 }
 
 .card--gauge {
@@ -84,16 +82,16 @@ h2 {
 
 .progress-bar {
   height: 6px;
-  background: #e5e7eb;
-  border-radius: 999px;
+  background: var(--color-border-light);
+  border-radius: var(--radius-pill);
   overflow: hidden;
   margin-top: 0.25rem;
 }
 
 .progress-bar__fill {
   height: 100%;
-  background: #3b82f6;
-  border-radius: 999px;
+  background: var(--color-primary);
+  border-radius: var(--radius-pill);
   transition: width 0.3s ease;
 }
 
@@ -115,59 +113,11 @@ h2 {
   align-items: center;
   gap: 0.75rem;
   padding: 0.7rem 1rem;
-  border-radius: var(--radius);
-  background: #fef2f2;
-  border: 1px solid #fecaca;
-}
-
-.alert-item__badge {
-  font-size: 0.7rem;
-  font-weight: 700;
-  text-transform: uppercase;
-  padding: 0.2rem 0.55rem;
-  border-radius: 999px;
-  color: #fff;
-  background: var(--color-critical);
-  flex-shrink: 0;
-}
-
-.alert-item--high .alert-item__badge {
-  background: var(--color-degraded);
-}
-.alert-item--medium .alert-item__badge {
-  background: var(--color-partial);
-}
-.alert-item--low .alert-item__badge {
-  background: var(--color-good);
+  border-radius: var(--radius-md);
+  background: var(--color-danger-bg);
+  border: 1px solid var(--color-danger-border);
 }
 
 .alert-item__message {
   font-size: 0.9rem;
 }
-.dashboard__header {
-  display: flex;
-  align-items: flex-start;
-  justify-content: space-between;
-  margin-bottom: 2rem;
-
-  h1 {
-    margin: 0;
-    font-size: 1.75rem;
-    font-weight: 700;
-  }
-}
-
-.logout-button {
-  padding: 0.5rem 1rem;
-  background: #ffffff;
-  border: 1px solid #d1d5db;
-  border-radius: 8px;
-  font-size: 0.85rem;
-  font-weight: 600;
-  color: #374151;
-  cursor: pointer;
-
-  &:hover {
-    background: #f3f4f6;
-  }
-}

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

@@ -5,7 +5,7 @@ import { Dashboard } from './dashboard';
 import { StatsService } from '../../core/services/stats.service';
 import { AlertsService } from '../../core/services/alerts.service';
 import {AuthService} from '../../core/services/auth.service';
-import {Router} from '@angular/router';
+import {Router, provideRouter} from '@angular/router';
 
 vi.mock('chart.js', () => {
   class ChartMock {
@@ -29,6 +29,7 @@ describe('Dashboard', () => {
       providers: [
         { provide: StatsService, useValue: statsMock },
         { provide: AlertsService, useValue: alertsMock },
+        provideRouter([]),
       ],
     });
 
@@ -60,6 +61,7 @@ describe('Dashboard', () => {
       providers: [
         { provide: StatsService, useValue: statsMock },
         { provide: AlertsService, useValue: alertsMock },
+        provideRouter([]),
       ],
     });
 
@@ -86,6 +88,7 @@ describe('Dashboard', () => {
       providers: [
         { provide: StatsService, useValue: statsMock },
         { provide: AlertsService, useValue: alertsMock },
+        provideRouter([]),
       ],
     });
 
@@ -99,7 +102,6 @@ describe('Dashboard', () => {
   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 routerMock = { navigate: vi.fn() };
 
   TestBed.configureTestingModule({
     imports: [Dashboard],
@@ -107,18 +109,21 @@ describe('Dashboard', () => {
       { provide: StatsService, useValue: statsMock },
       { provide: AlertsService, useValue: alertsMock },
       { provide: AuthService, useValue: authMock },
-      { provide: Router, useValue: routerMock },
+      provideRouter([]),
     ],
   });
 
   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(routerMock.navigate).toHaveBeenCalledWith(['/login']);
+  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: [] })) };
@@ -127,25 +132,51 @@ describe('Dashboard', () => {
     logout: vi.fn().mockReturnValue(throwError(() => new Error('réseau indisponible'))),
     clearSession: vi.fn(),
   };
-  const routerMock = { navigate: vi.fn() };
-
   TestBed.configureTestingModule({
     imports: [Dashboard],
     providers: [
       { provide: StatsService, useValue: statsMock },
       { provide: AlertsService, useValue: alertsMock },
       { provide: AuthService, useValue: authMock },
-      { provide: Router, useValue: routerMock },
+      provideRouter([]),
     ],
   });
 
   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(routerMock.navigate).toHaveBeenCalledWith(['/login']);
+  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 },
+        provideRouter([]),
+      ],
+    });
+
+    const fixture = TestBed.createComponent(Dashboard);
+    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'),
+    );
+  });
 });

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

@@ -2,23 +2,45 @@ import { Component, OnInit, inject, signal, DestroyRef } from '@angular/core';
 import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
 import { timer, switchMap, catchError, EMPTY, Observable } from 'rxjs';
 import { DecimalPipe } from '@angular/common';
-import { Router } from '@angular/router';
+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 { AuthService } from '../../core/services/auth.service';
 import { StatsSummary } from '../../shared/models/stats.model';
-import { Alert } from '../../shared/models/alert.model';
+import { Alert, AlertSeverity } from '../../shared/models/alert.model';
+import { Card } from '../../shared/components/ui/card/card';
+import { Alert as EvAlert } from '../../shared/components/ui/alert/alert';
+import { Badge, BadgeTone } from '../../shared/components/ui/badge/badge';
+import { Brand } from '../../shared/components/ui/brand/brand';
+import { Button } from '../../shared/components/ui/button/button';
 
 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',
+};
+
 @Component({
   selector: 'app-dashboard',
   standalone: true,
-  imports: [DecimalPipe, ConsumptionGauge, SiteLoadChart],
+  imports: [
+    DecimalPipe,
+    RouterLink,
+    ConsumptionGauge,
+    SiteLoadChart,
+    Card,
+    EvAlert,
+    Badge,
+    Brand,
+    Button,
+  ],
   templateUrl: './dashboard.html',
   styleUrl: './dashboard.scss',
 })
@@ -54,6 +76,10 @@ export class Dashboard implements OnInit {
       });
   }
 
+  badgeToneForSeverity(severity: AlertSeverity): BadgeTone {
+    return TON_PAR_SEVERITE[severity];
+  }
+
   onLogout(): void {
     this.auth.logout().subscribe({
       next: () => this.router.navigate(['/login']),

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

@@ -0,0 +1,85 @@
+<div class="site-detail">
+  <nav class="ev-breadcrumb">
+    <a routerLink="/dashboard">Tableau de bord</a>
+    <span>/</span>
+    <a routerLink="/sites">Sites</a>
+  </nav>
+
+  <header class="site-detail__header">
+    <a routerLink="/dashboard" class="ev-brand-link">
+      <ev-brand class="site-detail__logo" />
+    </a>
+    <div>
+      <h1>{{ site()?.site_name ?? siteId() }}</h1>
+      @if (site(); as s) {
+        <p class="site-detail__subtitle">
+          {{ s.site_type }} · {{ s.location || 'Localisation inconnue' }}
+        </p>
+      }
+    </div>
+    <div class="site-detail__badges">
+      @if (site(); as s) {
+        <ev-badge [tone]="badgeToneForStatus(s.status)">{{ s.status ?? '-' }}</ev-badge>
+      }
+      @if (hasMeasurement() && qualityLabel(); as label) {
+        <ev-badge [tone]="qualityTone()">{{ label }}</ev-badge>
+      }
+    </div>
+  </header>
+
+  @if (error(); as message) {
+    <ev-alert severity="danger" class="banner-error">{{ message }}</ev-alert>
+  }
+
+  @if (site(); as s) {
+    @if (hasMeasurement()) {
+      <section class="overview">
+        <ev-card class="card card--gauge">
+          <span class="card__label">Consommation vs capacité</span>
+          @let consumption = consumptionKw();
+          @if (consumption !== null) {
+            <app-consumption-gauge [consumption]="consumption" [capacity]="s.capacity_kw ?? 0" />
+            <span class="card__value">
+              {{ consumptionLabel() }} / {{ s.capacity_kw ?? '-' }} kW
+            </span>
+          } @else {
+            <p class="card__unavailable">
+              Consommation indisponible
+              <span class="metric__reason">({{ consumptionReason() }})</span>
+            </p>
+          }
+        </ev-card>
+
+        <ev-card class="metrics-card">
+          <span class="card__label">Mesure instantanée</span>
+          <dl class="metrics-grid">
+            @for (metric of metrics(); track metric.key) {
+              <div class="metric">
+                <dt>{{ metric.label }}</dt>
+                @if (metric.value !== null) {
+                  <dd>{{ metric.value }}</dd>
+                } @else {
+                  <dd class="metric__unavailable">
+                    Indisponible
+                    <span class="metric__reason">({{ metric.reason }})</span>
+                  </dd>
+                }
+              </div>
+            }
+          </dl>
+        </ev-card>
+      </section>
+
+      @if (history().length > 0) {
+        <section class="chart-section">
+          <h2>Historique de consommation</h2>
+          <app-reading-history-chart [readings]="history()" />
+        </section>
+      }
+    } @else {
+      <ev-alert severity="warning" class="banner-empty">{{ noMeasurementMessage }}</ev-alert>
+    }
+  }
+
+  <a routerLink="/sites" class="ev-link">Retour aux sites</a>
+</div>

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

@@ -0,0 +1,119 @@
+:host {
+  display: block;
+  color: var(--color-text);
+  padding: 2.5rem 2rem;
+  max-width: 1100px;
+  margin: 0 auto;
+}
+
+.site-detail__header {
+  display: flex;
+  align-items: center;
+  gap: 0.85rem;
+  margin-bottom: 2rem;
+
+  h1 {
+    margin: 0;
+    font-size: 1.75rem;
+    font-weight: 700;
+  }
+}
+
+.site-detail__logo {
+  font-size: 1.3rem;
+}
+
+.site-detail__subtitle {
+  margin: 0.25rem 0 0;
+  color: var(--color-text-muted);
+}
+
+.site-detail__badges {
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+  margin-left: auto;
+}
+
+.banner-error {
+  display: block;
+  margin: 0 0 1.5rem;
+}
+
+.banner-empty {
+  display: block;
+  margin: 0 0 1.5rem;
+}
+
+.overview {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
+  gap: 1rem;
+  margin-bottom: 2.5rem;
+}
+
+.card {
+  padding: 1.25rem;
+  gap: 0.35rem;
+}
+
+.card--gauge {
+  align-items: center;
+  text-align: center;
+}
+
+.card__label {
+  font-size: 0.8rem;
+  color: var(--color-text-muted);
+  text-transform: uppercase;
+  letter-spacing: 0.02em;
+}
+
+.card__value {
+  font-size: 1.6rem;
+  font-weight: 700;
+}
+
+.card__unavailable {
+  color: var(--color-text-muted);
+  margin: 0;
+}
+
+.metrics-grid {
+  display: grid;
+  grid-template-columns: repeat(2, 1fr);
+  gap: 0.75rem 1.5rem;
+  margin: 0.5rem 0 0;
+}
+
+.metric {
+  dt {
+    font-size: 0.75rem;
+    color: var(--color-text-muted);
+  }
+
+  dd {
+    margin: 0;
+    font-size: 1.05rem;
+    font-weight: 600;
+  }
+}
+
+.metric__unavailable {
+  color: var(--color-text-muted);
+  font-weight: 400;
+}
+
+.metric__reason {
+  font-size: 0.8rem;
+}
+
+h2 {
+  font-size: 1.1rem;
+  font-weight: 600;
+  margin: 0 0 1rem;
+}
+
+.chart-section {
+  margin-bottom: 2rem;
+}

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

@@ -0,0 +1,281 @@
+import { TestBed } from '@angular/core/testing';
+import { ActivatedRoute, convertToParamMap, provideRouter } from '@angular/router';
+import { vi } from 'vitest';
+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';
+
+const SITE = {
+  site_id: 'SITE001',
+  site_name: 'Site 1',
+  site_type: 'industriel',
+  location: 'Nantes',
+  capacity_kw: 500,
+  status: 'actif',
+};
+
+const CURRENT_COMPLET = {
+  timestamp: '2026-09-17T10:00:00Z',
+  site_id: 'SITE001',
+  site_type: 'industriel',
+  consumption_kw: 120,
+  consumption_kwh: null,
+  voltage_v: 230,
+  current_a: 12,
+  power_factor: 0.95,
+  temperature_celsius: 22,
+  humidity_percent: 55,
+  null_reasons: [] as string[],
+  data_quality: 'good' as const,
+};
+
+const SANS_MESURE = {
+  ...CURRENT_COMPLET,
+  timestamp: null,
+  consumption_kw: null,
+  voltage_v: null,
+  current_a: null,
+  power_factor: null,
+  temperature_celsius: null,
+  humidity_percent: null,
+  data_quality: 'critical' as const,
+};
+
+const LECTURE = {
+  reading_id: 1,
+  site_id: 'SITE001',
+  timestamp: '2026-09-17T09:00:00Z',
+  source: 'api_history' as const,
+  consumption_kw: 118,
+  consumption_kwh: null,
+  consumption_euros: null,
+  voltage_v: 230,
+  current_a: 12,
+  power_factor: 0.95,
+  temperature_celsius: 22,
+  humidity_percent: 55,
+  solar_irradiance_wm2: null,
+  is_working_hours: true,
+  data_quality: 'good' as const,
+  null_reasons: null,
+  imputed_values: null,
+  imputation_method: null,
+};
+
+function setup(
+  siteId: string,
+  sitesMock: Partial<SitesService>,
+  readingsMock: Partial<ReadingsService>,
+) {
+  const paramMap = new BehaviorSubject(convertToParamMap({ siteId }));
+  TestBed.configureTestingModule({
+    imports: [SiteDetail],
+    providers: [
+      provideRouter([]),
+      { provide: ActivatedRoute, useValue: { paramMap } },
+      { provide: SitesService, useValue: sitesMock },
+      { provide: ReadingsService, useValue: readingsMock },
+    ],
+  });
+  return { fixture: TestBed.createComponent(SiteDetail), paramMap };
+}
+
+describe('SiteDetail', () => {
+  it('charge le site, la mesure courante et son historique au démarrage', () => {
+    const { fixture } = setup(
+      'SITE001',
+      {
+        getSite: vi.fn().mockReturnValue(of(SITE)),
+        getCurrent: vi.fn().mockReturnValue(of(CURRENT_COMPLET)),
+      },
+      { getHistory: vi.fn().mockReturnValue(of([LECTURE])) },
+    );
+
+    fixture.detectChanges();
+
+    expect(fixture.componentInstance.site()?.site_id).toBe('SITE001');
+    expect(fixture.componentInstance.current()?.consumption_kw).toBe(120);
+    expect(fixture.componentInstance.history().length).toBe(1);
+    expect(fixture.componentInstance.error()).toBeNull();
+  });
+
+  it("signale l'indisponibilité quand un des appels échoue", () => {
+    const { fixture } = setup(
+      'SITE001',
+      {
+        getSite: vi.fn().mockReturnValue(throwError(() => new Error('nope'))),
+        getCurrent: vi.fn().mockReturnValue(of(CURRENT_COMPLET)),
+      },
+      { getHistory: vi.fn().mockReturnValue(of([])) },
+    );
+
+    fixture.detectChanges();
+
+    expect(fixture.componentInstance.error()).not.toBeNull();
+    expect(fixture.componentInstance.site()).toBeNull();
+  });
+
+  it('efface les données du site précédent quand le chargement du suivant échoue', () => {
+    const getSite = vi
+      .fn()
+      .mockReturnValueOnce(of(SITE))
+      .mockReturnValueOnce(throwError(() => new Error('404')));
+    const { fixture, paramMap } = setup(
+      'SITE001',
+      { getSite, getCurrent: vi.fn().mockReturnValue(of(CURRENT_COMPLET)) },
+      { getHistory: vi.fn().mockReturnValue(of([LECTURE])) },
+    );
+
+    fixture.detectChanges();
+    expect(fixture.componentInstance.site()?.site_id).toBe('SITE001');
+
+    paramMap.next(convertToParamMap({ siteId: 'SITE002' }));
+    fixture.detectChanges();
+
+    expect(fixture.componentInstance.error()).not.toBeNull();
+    expect(fixture.componentInstance.site()).toBeNull();
+    expect(fixture.componentInstance.current()).toBeNull();
+    expect(fixture.componentInstance.history()).toEqual([]);
+    expect(fixture.nativeElement.textContent).not.toContain('Site 1');
+  });
+
+  it('interroge le site et sa mesure courante en parallèle', () => {
+    const getSite = vi.fn().mockReturnValue(of(SITE));
+    const getCurrent = vi.fn().mockReturnValue(of(CURRENT_COMPLET));
+    const { fixture } = setup(
+      'SITE001',
+      { getSite, getCurrent },
+      { getHistory: vi.fn().mockReturnValue(of([])) },
+    );
+
+    fixture.detectChanges();
+
+    expect(getSite).toHaveBeenCalledWith('SITE001');
+    expect(getCurrent).toHaveBeenCalledWith('SITE001');
+  });
+
+  it('signale la panne du capteur de consommation au lieu de tracer une jauge à zéro', () => {
+    const sansConsommation = {
+      ...CURRENT_COMPLET,
+      consumption_kw: null,
+      null_reasons: ['consumption_sensor_failure'],
+      data_quality: 'partial' as const,
+    };
+    const { fixture } = setup(
+      'SITE001',
+      {
+        getSite: vi.fn().mockReturnValue(of(SITE)),
+        getCurrent: vi.fn().mockReturnValue(of(sansConsommation)),
+      },
+      { getHistory: vi.fn().mockReturnValue(of([LECTURE])) },
+    );
+
+    fixture.detectChanges();
+
+    expect(fixture.componentInstance.consumptionKw()).toBeNull();
+    expect(fixture.componentInstance.consumptionReason()).toBe('capteur de consommation en panne');
+    expect(fixture.nativeElement.querySelector('app-consumption-gauge')).toBeNull();
+    expect(fixture.nativeElement.textContent).toContain('Consommation indisponible');
+  });
+
+  it('trace la jauge pour une consommation nulle réellement mesurée', () => {
+    const { fixture } = setup(
+      'SITE001',
+      {
+        getSite: vi.fn().mockReturnValue(of(SITE)),
+        getCurrent: vi.fn().mockReturnValue(of({ ...CURRENT_COMPLET, consumption_kw: 0 })),
+      },
+      { getHistory: vi.fn().mockReturnValue(of([LECTURE])) },
+    );
+
+    fixture.detectChanges();
+
+    expect(fixture.componentInstance.consumptionLabel()).toBe('0.0 kW');
+    expect(fixture.nativeElement.querySelector('app-consumption-gauge')).not.toBeNull();
+    expect(fixture.nativeElement.textContent).not.toContain('Consommation indisponible');
+  });
+
+  it('affiche explicitement les champs null avec leur raison plutôt que de les masquer', () => {
+    const partielle = {
+      ...CURRENT_COMPLET,
+      voltage_v: null,
+      current_a: null,
+      power_factor: null,
+      null_reasons: ['electrical_sensor_failure'],
+      data_quality: 'partial' as const,
+    };
+    const { fixture } = setup(
+      'SITE001',
+      {
+        getSite: vi.fn().mockReturnValue(of(SITE)),
+        getCurrent: vi.fn().mockReturnValue(of(partielle)),
+      },
+      { getHistory: vi.fn().mockReturnValue(of([LECTURE])) },
+    );
+
+    fixture.detectChanges();
+
+    const tension = fixture.componentInstance.metrics().find((m) => m.key === 'voltage_v');
+    expect(tension?.value).toBeNull();
+    expect(tension?.reason).toBe('capteur électrique en panne');
+
+    const texte = fixture.nativeElement.textContent;
+    expect(texte).toContain('Indisponible');
+    expect(texte).toContain('capteur électrique en panne');
+    expect(texte).toContain('Données partielles');
+  });
+
+  it('recharge les données quand le paramètre de route siteId change', () => {
+    const getSite = vi.fn().mockReturnValue(of(SITE));
+    const { fixture, paramMap } = setup(
+      'SITE001',
+      { getSite, getCurrent: vi.fn().mockReturnValue(of(CURRENT_COMPLET)) },
+      { getHistory: vi.fn().mockReturnValue(of([])) },
+    );
+
+    fixture.detectChanges();
+    paramMap.next(convertToParamMap({ siteId: 'SITE002' }));
+    fixture.detectChanges();
+
+    expect(getSite).toHaveBeenCalledWith('SITE002');
+  });
+
+  it("ancre la fenêtre d'historique sur la dernière mesure connue plutôt que sur l'horloge", () => {
+    const getHistory = vi.fn().mockReturnValue(of([]));
+    const { fixture } = setup(
+      'SITE001',
+      {
+        getSite: vi.fn().mockReturnValue(of(SITE)),
+        getCurrent: vi.fn().mockReturnValue(of(CURRENT_COMPLET)),
+      },
+      { getHistory },
+    );
+
+    fixture.detectChanges();
+
+    expect(getHistory).toHaveBeenCalledWith(
+      'SITE001',
+      '2026-09-16T10:00:00.000Z',
+      '2026-09-17T10:00:00Z',
+    );
+  });
+
+  it("annonce l'absence de mesure sans interroger l'historique quand timestamp est null", () => {
+    const getHistory = vi.fn().mockReturnValue(of([]));
+    const { fixture } = setup(
+      'SITE001',
+      {
+        getSite: vi.fn().mockReturnValue(of(SITE)),
+        getCurrent: vi.fn().mockReturnValue(of(SANS_MESURE)),
+      },
+      { getHistory },
+    );
+
+    fixture.detectChanges();
+
+    expect(getHistory).not.toHaveBeenCalled();
+    expect(fixture.componentInstance.hasMeasurement()).toBe(false);
+    expect(fixture.nativeElement.textContent).toContain('Aucune mesure remontée pour ce site.');
+  });
+});

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

@@ -0,0 +1,213 @@
+import { Component, DestroyRef, computed, inject, signal } from '@angular/core';
+import { takeUntilDestroyed, toObservable, toSignal } from '@angular/core/rxjs-interop';
+import { ActivatedRoute, RouterLink } from '@angular/router';
+import { catchError, EMPTY, filter, forkJoin, map, Observable, of, switchMap } from 'rxjs';
+import { SitesService } from '../../../core/services/sites.service';
+import { ReadingsService } from '../../../core/services/readings.service';
+import { Site } from '../../../shared/models/site.model';
+import { Reading, ReadingDataQuality } from '../../../shared/models/reading.model';
+import { SiteCurrent } from '../../../shared/models/site-current.model';
+import { Card } from '../../../shared/components/ui/card/card';
+import { Alert } from '../../../shared/components/ui/alert/alert';
+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';
+
+const UNAVAILABLE_MESSAGE = 'Détail du site indisponible, réessayez plus tard.';
+const NO_MEASUREMENT_MESSAGE = 'Aucune mesure remontée pour ce site.';
+const HISTORY_WINDOW_MS = 24 * 60 * 60 * 1000;
+
+const TON_PAR_STATUT: Record<string, BadgeTone> = {
+  actif: 'success',
+  maintenance: 'warning',
+  hors_service: 'danger',
+};
+
+const TON_PAR_QUALITE: Record<ReadingDataQuality, BadgeTone> = {
+  good: 'success',
+  partial: 'warning',
+  degraded: 'danger',
+  critical: 'critical',
+};
+
+const LIBELLE_PAR_QUALITE: Record<ReadingDataQuality, string> = {
+  good: 'Données complètes',
+  partial: 'Données partielles',
+  degraded: 'Données dégradées',
+  critical: 'Données critiques',
+};
+
+type MetricKey =
+  | 'consumption_kw'
+  | 'voltage_v'
+  | 'current_a'
+  | 'power_factor'
+  | 'temperature_celsius'
+  | 'humidity_percent';
+
+interface MetricDef {
+  key: MetricKey;
+  label: string;
+  format: (value: number) => string;
+}
+
+const CONSUMPTION_DEF: MetricDef = {
+  key: 'consumption_kw',
+  label: 'Consommation',
+  format: (v) => `${v.toFixed(1)} kW`,
+};
+
+const METRIC_DEFS: MetricDef[] = [
+  CONSUMPTION_DEF,
+  { key: 'voltage_v', label: 'Tension', format: (v) => `${v.toFixed(1)} V` },
+  { key: 'current_a', label: 'Courant', format: (v) => `${v.toFixed(1)} A` },
+  { key: 'power_factor', label: 'Cos φ', format: (v) => v.toFixed(2) },
+  { key: 'temperature_celsius', label: 'Température', format: (v) => `${v.toFixed(1)} °C` },
+  { key: 'humidity_percent', label: 'Humidité', format: (v) => `${v.toFixed(0)} %` },
+];
+
+// Contrainte : miroir de RAISON_VERS_CAPTEUR et CHAMPS_PAR_CAPTEUR (backend, services/sensor.py) ;
+// `null_reasons` porte le code de panne du capteur, jamais le nom du champ resté vide.
+const RAISONS_PAR_CHAMP: Record<MetricKey, string[]> = {
+  consumption_kw: ['consumption_sensor_failure', 'network_loss'],
+  voltage_v: ['electrical_sensor_failure', 'network_loss'],
+  current_a: ['electrical_sensor_failure', 'network_loss'],
+  power_factor: ['electrical_sensor_failure', 'network_loss'],
+  temperature_celsius: ['temperature_sensor_failure', 'network_loss'],
+  humidity_percent: ['humidity_sensor_failure', 'network_loss'],
+};
+
+const LIBELLE_PAR_RAISON: Record<string, string> = {
+  consumption_sensor_failure: 'capteur de consommation en panne',
+  electrical_sensor_failure: 'capteur électrique en panne',
+  temperature_sensor_failure: 'capteur de température en panne',
+  humidity_sensor_failure: "capteur d'humidité en panne",
+  network_loss: 'perte réseau',
+};
+
+export interface MetricView {
+  key: MetricKey;
+  label: string;
+  value: string | null;
+  reason: string;
+}
+
+@Component({
+  selector: 'app-site-detail',
+  standalone: true,
+  imports: [RouterLink, Card, Alert, Badge, Brand, ConsumptionGauge, ReadingHistoryChart],
+  templateUrl: './site-detail.html',
+  styleUrl: './site-detail.scss',
+})
+export class SiteDetail {
+  private route = inject(ActivatedRoute);
+  private sitesService = inject(SitesService);
+  private readingsService = inject(ReadingsService);
+  private destroyRef = inject(DestroyRef);
+
+  readonly noMeasurementMessage = NO_MEASUREMENT_MESSAGE;
+
+  siteId = toSignal(this.route.paramMap.pipe(map((params) => params.get('siteId') ?? '')));
+
+  site = signal<Site | null>(null);
+  current = signal<SiteCurrent | null>(null);
+  history = signal<Reading[]>([]);
+  error = signal<string | null>(null);
+
+  hasMeasurement = computed(() => this.current()?.timestamp != null);
+
+  consumptionKw = computed(() => this.current()?.consumption_kw ?? null);
+
+  consumptionLabel = computed(() => {
+    const kw = this.consumptionKw();
+    return kw != null ? CONSUMPTION_DEF.format(kw) : null;
+  });
+
+  consumptionReason = computed(() => this.reasonFor('consumption_kw', this.current()));
+
+  qualityLabel = computed(() => {
+    const quality = this.current()?.data_quality;
+    return quality ? LIBELLE_PAR_QUALITE[quality] : null;
+  });
+
+  qualityTone = computed<BadgeTone>(() => {
+    const quality = this.current()?.data_quality;
+    return quality ? TON_PAR_QUALITE[quality] : 'neutral';
+  });
+
+  metrics = computed<MetricView[]>(() => {
+    const current = this.current();
+    return METRIC_DEFS.map((def) => {
+      const valeur = current ? current[def.key] : null;
+      return {
+        key: def.key,
+        label: def.label,
+        value: valeur != null ? def.format(valeur) : null,
+        reason: valeur == null ? this.reasonFor(def.key, current) : '',
+      };
+    });
+  });
+
+  constructor() {
+    toObservable(this.siteId)
+      .pipe(
+        filter((siteId): siteId is string => !!siteId),
+        // Piège : switchMap sur le flux externe annule le chargement en cours dès qu'un
+        // nouveau siteId arrive, sinon une réponse en retard peut écraser le site affiché.
+        switchMap((siteId) => this.load(siteId)),
+        takeUntilDestroyed(this.destroyRef),
+      )
+      .subscribe((result) => {
+        this.error.set(null);
+        this.site.set(result.site);
+        this.current.set(result.current);
+        this.history.set(result.history);
+      });
+  }
+
+  badgeToneForStatus(status: string | null): BadgeTone {
+    return status ? (TON_PAR_STATUT[status] ?? 'neutral') : 'neutral';
+  }
+
+  private load(siteId: string) {
+    return forkJoin({
+      site: this.sitesService.getSite(siteId),
+      current: this.sitesService.getCurrent(siteId),
+    }).pipe(
+      switchMap(({ site, current }) =>
+        this.loadHistory(siteId, current).pipe(map((history) => ({ site, current, history }))),
+      ),
+      catchError(() => this.reportUnavailable()),
+    );
+  }
+
+  private loadHistory(siteId: string, current: SiteCurrent): Observable<Reading[]> {
+    // Piège : le jeu de données s'arrête bien avant « maintenant » ; ancrer la fenêtre sur la
+    // dernière mesure connue plutôt que sur l'horloge évite un historique systématiquement vide.
+    const end = current.timestamp;
+    if (end === null) {
+      return of([]);
+    }
+    const start = new Date(new Date(end).getTime() - HISTORY_WINDOW_MS).toISOString();
+    return this.readingsService.getHistory(siteId, start, end);
+  }
+
+  private reasonFor(field: MetricKey, current: SiteCurrent | null): string {
+    const raisons = RAISONS_PAR_CHAMP[field];
+    const trouvees = (current?.null_reasons ?? [])
+      .filter((raison) => raisons.includes(raison))
+      .map((raison) => LIBELLE_PAR_RAISON[raison] ?? raison);
+    return trouvees.length > 0 ? trouvees.join(', ') : 'cause inconnue';
+  }
+
+  // Piège : vider les signaux avec l'erreur, sinon la page garde le site précédemment chargé
+  // sous le bandeau et laisse lire les chiffres de A en croyant regarder B.
+  private reportUnavailable(): Observable<never> {
+    this.error.set(UNAVAILABLE_MESSAGE);
+    this.site.set(null);
+    this.current.set(null);
+    this.history.set([]);
+    return EMPTY;
+  }
+}

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

@@ -0,0 +1,46 @@
+<div class="site-list">
+  <nav class="ev-breadcrumb">
+    <a routerLink="/dashboard">Tableau de bord</a>
+  </nav>
+
+  <header class="site-list__header">
+    <a routerLink="/dashboard" class="ev-brand-link">
+      <ev-brand class="site-list__logo" />
+    </a>
+    <div>
+      <h1>Sites</h1>
+      <p class="site-list__subtitle">Vue d'ensemble du parc suivi</p>
+    </div>
+  </header>
+
+  @if (error(); as message) {
+    <ev-alert severity="danger" class="banner-error">{{ message }}</ev-alert>
+  }
+
+  <ev-card class="table-card">
+    <table class="sites-table">
+      <thead>
+        <tr>
+          <th>Nom</th>
+          <th>Type</th>
+          <th>Localisation</th>
+          <th>Capacité (kW)</th>
+          <th>Statut</th>
+          <th></th>
+        </tr>
+      </thead>
+      <tbody>
+        @for (site of sites(); track site.site_id) {
+          <tr>
+            <td>{{ site.site_name }}</td>
+            <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><a [routerLink]="['/sites', site.site_id]" class="ev-link">Détail</a></td>
+          </tr>
+        }
+      </tbody>
+    </table>
+  </ev-card>
+</div>

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

@@ -0,0 +1,63 @@
+:host {
+  display: block;
+  color: var(--color-text);
+  padding: 2.5rem 2rem;
+  max-width: 1100px;
+  margin: 0 auto;
+}
+
+.site-list__header {
+  display: flex;
+  align-items: center;
+  gap: 0.85rem;
+  margin-bottom: 2rem;
+
+  h1 {
+    margin: 0;
+    font-size: 1.75rem;
+    font-weight: 700;
+  }
+}
+
+.site-list__logo {
+  font-size: 1.3rem;
+}
+
+.site-list__subtitle {
+  margin: 0.25rem 0 0;
+  color: var(--color-text-muted);
+}
+
+.banner-error {
+  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/features/sites/site-list/site-list.spec.ts

@@ -0,0 +1,81 @@
+import { TestBed } from '@angular/core/testing';
+import { provideRouter } from '@angular/router';
+import { vi } from 'vitest';
+import { of, throwError } from 'rxjs';
+import { SiteList } from './site-list';
+import { SitesService } from '../../../core/services/sites.service';
+
+describe('SiteList', () => {
+  it('charge et affiche les sites au démarrage', () => {
+    const sitesMock = {
+      getSites: vi.fn().mockReturnValue(
+        of([
+          {
+            site_id: 'SITE001',
+            site_name: 'Site 1',
+            site_type: 'industriel',
+            location: 'Nantes',
+            capacity_kw: 500,
+            status: 'actif',
+          },
+        ]),
+      ),
+    };
+
+    TestBed.configureTestingModule({
+      imports: [SiteList],
+      providers: [{ provide: SitesService, useValue: sitesMock }, provideRouter([])],
+    });
+
+    const fixture = TestBed.createComponent(SiteList);
+    fixture.detectChanges();
+
+    expect(sitesMock.getSites).toHaveBeenCalled();
+    expect(fixture.componentInstance.sites().length).toBe(1);
+    expect(fixture.componentInstance.error()).toBeNull();
+  });
+
+  it("signale l'indisponibilité quand le chargement échoue", () => {
+    const sitesMock = { getSites: vi.fn().mockReturnValue(throwError(() => new Error('nope'))) };
+
+    TestBed.configureTestingModule({
+      imports: [SiteList],
+      providers: [{ provide: SitesService, useValue: sitesMock }, provideRouter([])],
+    });
+
+    const fixture = TestBed.createComponent(SiteList);
+    fixture.detectChanges();
+
+    expect(fixture.componentInstance.error()).not.toBeNull();
+    expect(fixture.componentInstance.sites().length).toBe(0);
+  });
+
+  it('affiche un tiret pour les champs nullables', () => {
+    const sitesMock = {
+      getSites: vi.fn().mockReturnValue(
+        of([
+          {
+            site_id: 'SITE002',
+            site_name: 'Site 2',
+            site_type: 'bureau',
+            location: null,
+            capacity_kw: null,
+            status: null,
+          },
+        ]),
+      ),
+    };
+
+    TestBed.configureTestingModule({
+      imports: [SiteList],
+      providers: [{ provide: SitesService, useValue: sitesMock }, provideRouter([])],
+    });
+
+    const fixture = TestBed.createComponent(SiteList);
+    fixture.detectChanges();
+
+    const cells = fixture.nativeElement.querySelectorAll('td');
+    expect(cells[2].textContent.trim()).toBe('-');
+    expect(cells[3].textContent.trim()).toBe('-');
+  });
+});