Merge branch 'feat/sonar-dashboard' of https://github.com/ineszang/ProjetPiscine_EnerVision into feat/sonar-dashboard

chore(ci): ajoute la couverture de tests au job test du frontend

.dockerignore

@@ -0,0 +1,27 @@
+# Dépendances (réinstallées dans l'image)
+node_modules/
+vendor/
+__pycache__/
+*.pyc
+
+# Git et IDE
+.git/
+.gitignore
+.vscode/
+.idea/
+*.swp
+
+# Fichiers de build locaux
+dist/
+build/
+*.log
+
+# Secrets et config locale (CRITIQUE : risque d'exfiltration)
+.env
+.env.local
+*.pem
+*.key
+secrets/
+.npmrc
+.pypirc
+kubeconfig

.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 +56,27 @@ 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
+
+  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

@@ -0,0 +1,64 @@
+name: Frontend
+
+on:
+  push:
+    paths:
+      - "apps/frontend/**"
+      - ".github/workflows/frontend.yml"
+  pull_request:
+    paths:
+      - "apps/frontend/**"
+      - ".github/workflows/frontend.yml"
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    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
+
+  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:
+      - 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

.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 +1,132 @@
+name: SonarQube
+
+on:
+  push:
+    paths:
+      - "apps/frontend/**"
+      - "apps/backend/**"
+      - ".github/workflows/sonarqube.yml"
+  pull_request:
+    paths:
+      - "apps/frontend/**"
+      - "apps/backend/**"
+      - ".github/workflows/sonarqube.yml"
+
+
+# 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

@@ -52,11 +52,20 @@ standalone_admin_password.txt
 secrets/
 
 # Donnees locales
-data/
+data/raw/*
+!data/raw/.gitkeep
 *.sqlite3
 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

@@ -1,18 +1,41 @@
 BACKEND := apps/backend
+FRONTEND := apps/frontend
+ML := ml
 
 .DEFAULT_GOAL := help
-.PHONY: help install dev lint format typecheck test test-cov test-integration check \
+.PHONY: help install install-backend install-frontend install-ml dev dev-backend dev-frontend \
-        docker-build db-up db-down db-reset db-logs db-psql migrate bootstrap-admin
+        lint format typecheck test test-cov test-integration check \
+        openapi docker-build db-up db-down db-reset db-logs db-psql migrate bootstrap-admin \
+        ml-lint ml-typecheck ml-test ml-check ml-train
 
 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: ## Installe les dépendances du backend
+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
 
-dev: ## Lance l'API en rechargement à chaud
+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 & \
+	$(MAKE) --no-print-directory dev-frontend & \
+	wait
+
+dev-backend: ## Lance l'API seule en rechargement à chaud
+	@echo "backend  -> http://localhost:8000 (docs sur /docs)"
 	cd $(BACKEND) && uv run uvicorn app.main:create_app --factory --reload --host 0.0.0.0 --port 8000
 
+dev-frontend: ## Lance le frontend seul en rechargement à chaud
+	@echo "frontend -> http://localhost:4200"
+	cd $(FRONTEND) && npm start
+
 lint: ## Analyse statique du backend
 	cd $(BACKEND) && uv run ruff check .
 
@@ -34,6 +57,23 @@ test-integration: ## Exécute les tests exigeant une base joignable
 
 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

@@ -19,16 +19,18 @@ Ce que la documentation apporte à chacun : [docs/architecture/00-vue-ensemble.m
 | Domaine    | Technologie                         | Emplacement         | Etat          |
 |------------|-------------------------------------|---------------------|---------------|
 | Backend    | FastAPI, Python 3.14                | `apps/backend`      | Initialise    |
-| Frontend   | Angular 22, Node 24 LTS             | `apps/frontend`     | Squelette     |
+| Frontend   | Angular 22, Node 24 LTS             | `apps/frontend`     | Tableau de bord |
 | Base       | PostgreSQL 17 + TimescaleDB         | `db`                | Initialise    |
 | ETL        | Apache Airflow                      | `etl/airflow`       | A initialiser |
 | 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
-porte le squelette Angular, sans code metier : aucune route, aucun appel d'API. Les autres dossiers
+sert un tableau de bord sur `/dashboard`, dont les données proviennent de fixtures : les endpoints
-portent l'arborescence et un README de cadrage, leur contenu fait l'objet d'un ticket dedie.
+correspondants restent à écrire côté API. Les autres dossiers portent l'arborescence et un README
+de cadrage, leur contenu fait l'objet d'un ticket dedie.
 
 L'etat detaille de chaque brique et les vues d'architecture sont dans
 [docs/architecture](docs/architecture/README.md).
@@ -52,6 +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
@@ -62,16 +65,17 @@ L'etat detaille de chaque brique et les vues d'architecture sont dans
 
 ## Demarrage
 
-Prerequis : uv, Docker. Le poste doit disposer de Python 3.14, que `uv` installe seul.
+Prerequis : uv, Docker, Node 24 LTS (npm fourni). Le poste doit disposer de Python 3.14, que
+`uv` installe seul.
 
 ```bash
 cp .env.example .env                               # variables de docker-compose
 cp apps/backend/.env.example apps/backend/.env     # variables du backend hors conteneur
 
 make db-up     # PostgreSQL + TimescaleDB, publie sur le port 5433
-make install   # dependances du backend
+make install   # dependances du backend et du frontend
 make migrate   # applique les migrations Alembic
-make dev       # API sur http://localhost:8000, docs sur /docs
+make dev       # backend sur http://localhost:8000 (docs sur /docs), frontend sur http://localhost:4200
 make check     # lint + typage + tests
 ```
 
@@ -82,9 +86,11 @@ Deux fichiers d'environnement, deux usages : `.env` a la racine alimente `docker
 5432, souvent deja pris par une autre base.
 
 La boucle de developpement est `make db-up` puis `make dev` : seule la base tourne en
-conteneur. Le service `backend` du `docker-compose.yml` sert la stack complete et la recette,
+conteneur, le backend et le frontend tournent tous les deux sur le poste, lances ensemble par
-et n'embarque pas le source, donc toute modification y demande un
+`make dev` (logs entrelaces dans le meme terminal, Ctrl+C arrete les deux). `make dev-backend`
-`docker compose up -d --build backend`.
+et `make dev-frontend` restent disponibles pour lancer un seul des deux. Le service `backend`
+du `docker-compose.yml` sert la stack complete et la recette, et n'embarque pas le source, donc
+toute modification y demande un `docker compose up -d --build backend`.
 
 Verifier que la base repond et que l'extension est chargee :
 

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

@@ -28,7 +28,7 @@ de demarrer sans elles.
 ## Commandes
 
 Depuis la racine du monorepo, via le `Makefile` : `make install`, `make dev`, `make lint`,
-`make format`, `make typecheck`, `make test`, `make check`, `make docker-build`.
+`make format`, `make typecheck`, `make test`, `make check`, `make openapi`, `make docker-build`.
 
 Directement depuis ce dossier :
 
@@ -39,8 +39,12 @@ uv run ruff format .         # format
 uv run mypy app              # typage strict
 uv run pytest                # tests + couverture
 uv run pytest -m integration # tests exigeant une base joignable
+uv run python -m app.cli export-openapi   # régénère openapi.json
 ```
 
+`openapi.json` est versionné : `tests/api/test_openapi.py` échoue si le fichier ne correspond
+plus aux routes déclarées. Toute PR qui change une route le régénère dans le même commit.
+
 Les conventions de tests, les gabarits et le detail des marqueurs sont dans
 [`TESTING.md`](TESTING.md).
 
@@ -99,10 +103,16 @@ 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` |
 | `/api/v1/users/{id}/password-reset` | Réinitialise et ferme les sessions | `admin` |
+| `/api/v1/sites` | Liste les sites | `lecteur` |
+| `/api/v1/sites/{site_id}` | Décrit un site | `lecteur` |
+| `/api/v1/recommendations` | Liste les recommandations | `lecteur` |
+| `/api/v1/recommendations/{recommendation_id}` | Décrit une recommandation | `lecteur` |
 | `/metrics` | Métriques au format Prometheus | jeton si `APP_METRICS_TOKEN` |
 | `/docs`, `/openapi.json` | Documentation, fermée en `staging` et `prod` | public sinon |
 

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

@@ -16,16 +16,29 @@ 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
 from app.core.security import decode_access_token as decode_token
 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.auth import AuthService, LoginPolicy
+from app.services.alert import AlertService
+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
+from app.services.stats import StatsService
 from app.services.user import UserService
 
 SessionDep = Annotated[AsyncSession, Depends(get_session)]
@@ -88,11 +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),
@@ -109,6 +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,
     )
 
 
@@ -131,6 +170,48 @@ def get_user_service(
 UserServiceDep = Annotated[UserService, Depends(get_user_service)]
 
 
+def get_site_service(session: SessionDep) -> SiteService:
+    return SiteService(sites=SiteRepository(session), readings=ReadingRepository(session))
+
+
+SiteServiceDep = Annotated[SiteService, Depends(get_site_service)]
+
+
+def get_alert_service(session: SessionDep) -> AlertService:
+    return AlertService(alerts=AlertRepository(session))
+
+
+AlertServiceDep = Annotated[AlertService, Depends(get_alert_service)]
+
+
+def get_recommendation_service(session: SessionDep) -> RecommendationService:
+    return RecommendationService(recommendations=RecommendationRepository(session))
+
+
+RecommendationServiceDep = Annotated[RecommendationService, Depends(get_recommendation_service)]
+
+
+def get_stats_service(session: SessionDep) -> StatsService:
+    return StatsService(sites=SiteRepository(session), readings=ReadingRepository(session))
+
+
+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))
+
+
+SensorServiceDep = Annotated[SensorService, Depends(get_sensor_service)]
+
+
 async def get_current_principal(
     credentials: CredentialsDep,
     session: SessionDep,

apps/backend/app/api/openapi.py

@@ -0,0 +1,179 @@
+# Piège : `cookie_de_rafraichissement` est purement documentaire, d'où son `auto_error=False`.
+# Avec la valeur par défaut, FastAPI répondrait 403 avant d'atteindre `lit_le_cookie()`, et
+# `/auth/refresh` cesserait de rendre le 401 que le frontend attend.
+
+from typing import Any, Final
+
+from fastapi.security import APIKeyCookie
+
+from app.core.config import REFRESH_COOKIE_DEFAUT
+from app.schemas.errors import ErrorResponse, InternalErrorResponse, ValidationErrorResponse
+
+Reponses = dict[int | str, dict[str, Any]]
+
+SUMMARY: Final = "Collecte, analyse et restitution de séries temporelles énergétiques."
+
+DESCRIPTION: Final = """
+Toutes les routes sont préfixées par `/api/v1`.
+
+**Authentification.** Le jeton d'accès se présente dans l'en-tête `Authorization: Bearer ...`.
+Le jeton de rafraîchissement est un cookie `HttpOnly` que le code client ne voit jamais : il
+suffit d'émettre les requêtes avec les identifiants de session. `POST /auth/refresh` rend un
+nouveau jeton d'accès et fait tourner le cookie.
+
+**Rôles.** `lecteur`, puis `operateur`, puis `admin`. Chaque rôle couvre les droits du
+précédent.
+
+**Erreurs.** Le corps porte toujours une clé `detail`. Un `403` dont le `detail` vaut
+`password_change_required` n'est pas un refus de droits : il exige le changement du mot de passe
+provisoire avant toute autre action.
+
+Le parcours de session complet est décrit dans
+`docs/architecture/31-contrat-authentification.md`.
+"""
+
+TAGS: Final[list[dict[str, Any]]] = [
+    {
+        "name": "health",
+        "description": (
+            "Sondes d'infrastructure, publiques. `live` prouve que le processus répond, `ready` "
+            "que la base répond et que l'extension TimescaleDB est chargée."
+        ),
+    },
+    {
+        "name": "auth",
+        "description": (
+            "Ouverture, rotation et fermeture de session, et changement de son propre mot de passe."
+        ),
+    },
+    {
+        "name": "users",
+        "description": "Administration des comptes. Réservé au rôle `admin`.",
+    },
+    {
+        "name": "sites",
+        "description": "Consultation du parc de sites. Accessible à partir du rôle `lecteur`.",
+    },
+    {
+        "name": "alerts",
+        "description": "Consultation des alertes de consommation. Accessible à partir du rôle "
+        "`lecteur`.",
+    },
+    {
+        "name": "recommendations",
+        "description": (
+            "Consultation des recommandations issues des alertes. Accessible à partir du rôle "
+            "`lecteur`."
+        ),
+    },
+    {
+        "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`.",
+    },
+]
+
+cookie_de_rafraichissement = APIKeyCookie(
+    name=REFRESH_COOKIE_DEFAUT,
+    scheme_name="Cookie de rafraîchissement",
+    description=(
+        "Cookie `HttpOnly` posé par `/auth/login` et tourné par `/auth/refresh`. Il prend le "
+        "préfixe `__Secure-` dès que l'API tourne derrière TLS, et n'est émis que vers "
+        "`/api/v1/auth`."
+    ),
+    auto_error=False,
+)
+
+# Le 422 n'est déclaré que sur les routes qui acceptent un corps ou un paramètre : ailleurs,
+# aucune validation ne peut échouer et l'annoncer serait faux.
+REPONSE_VALIDATION: Final[Reponses] = {
+    422: {
+        "model": ValidationErrorResponse,
+        "description": (
+            "Corps invalide. Le détail nomme le champ fautif et le type d'erreur, jamais la "
+            "valeur envoyée."
+        ),
+    },
+}
+
+REPONSE_SERVEUR: Final[Reponses] = {
+    500: {
+        "model": InternalErrorResponse,
+        "description": (
+            "Erreur interne. `correlation` identifie la trace côté serveur, qui n'est pas "
+            "renvoyée au client."
+        ),
+    },
+}
+
+REPONSE_INDISPONIBLE: Final[Reponses] = {
+    503: {
+        "model": ErrorResponse,
+        "description": "Base injoignable, ou extension TimescaleDB absente de la base.",
+    },
+}
+
+REPONSES_AUTHENTIFIEES: Final[Reponses] = {
+    401: {
+        "model": ErrorResponse,
+        "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=`."
+        ),
+    },
+}
+
+REPONSES_ADMIN: Final[Reponses] = {
+    **REPONSES_AUTHENTIFIEES,
+    403: {
+        "model": ErrorResponse,
+        "description": (
+            "Droits insuffisants, ou mot de passe provisoire à changer quand `detail` vaut "
+            "`password_change_required`."
+        ),
+    },
+}
+
+# `lecteur` est le rôle minimum : `require_role` n'y refuse jamais un 403 pour droits
+# insuffisants, seulement pour le mot de passe provisoire.
+REPONSES_LECTEUR: Final[Reponses] = {
+    **REPONSES_AUTHENTIFIEES,
+    403: {
+        "model": ErrorResponse,
+        "description": (
+            "Mot de passe provisoire à changer (`detail` vaut `password_change_required`)."
+        ),
+    },
+}
+
+REPONSE_ORIGINE_REFUSEE: Final[Reponses] = {
+    403: {
+        "model": ErrorResponse,
+        "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/alerts.py

@@ -0,0 +1,23 @@
+from fastapi import APIRouter
+
+from app.api.deps import AlertServiceDep, LecteurDep
+from app.api.openapi import REPONSE_VALIDATION
+from app.schemas.alert import AlertResponse, AlertSeverity
+
+router = APIRouter()
+
+
+@router.get(
+    "",
+    response_model=list[AlertResponse],
+    summary="Liste les alertes",
+    responses=REPONSE_VALIDATION,
+)
+async def list_alerts(
+    _: LecteurDep,
+    service: AlertServiceDep,
+    site_id: str | None = None,
+    severity: AlertSeverity | None = None,
+) -> list[AlertResponse]:
+    alertes = await service.list_all(site_id=site_id, severity=severity)
+    return [AlertResponse.model_validate(alerte) for alerte in alertes]

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,
@@ -11,17 +11,30 @@ from app.api.deps import (
     get_client_ip,
     require_trusted_origin,
 )
+from app.api.openapi import (
+    REPONSE_LIMITE,
+    REPONSE_ORIGINE_REFUSEE,
+    REPONSE_VALIDATION,
+    REPONSES_AUTHENTIFIEES,
+    Reponses,
+    cookie_de_rafraichissement,
+)
 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,
 )
@@ -31,6 +44,66 @@ logger = get_logger(__name__)
 
 DETAIL_IDENTIFIANTS = "Identifiants invalides"
 DETAIL_SESSION = "Session invalide"
+DETAIL_LIEN_RESET = "Lien invalide ou expiré"
+
+REPONSES_LOGIN: Reponses = {
+    **REPONSE_VALIDATION,
+    401: {
+        "model": ErrorResponse,
+        "description": (
+            "Identifiants faux, compte inconnu ou compte désactivé. Le message est le même dans "
+            "les trois cas, et n'apprend donc rien sur l'existence du compte."
+        ),
+    },
+    429: {
+        "model": ErrorResponse,
+        "description": "Trop de tentatives sur cette fenêtre glissante.",
+        "headers": {
+            "Retry-After": {
+                "description": "Secondes à attendre avant une nouvelle tentative.",
+                "schema": {"type": "integer"},
+            }
+        },
+    },
+}
+
+REPONSES_REFRESH: Reponses = {
+    **REPONSE_ORIGINE_REFUSEE,
+    401: {
+        "model": ErrorResponse,
+        "description": (
+            "Cookie absent, session expirée, révoquée, ou jeton déjà tourné. Dans ce dernier cas "
+            "toute la famille de sessions est révoquée et le cookie est effacé avec la réponse."
+        ),
+    },
+}
+
+REPONSES_LOGOUT: Reponses = {**REPONSE_ORIGINE_REFUSEE}
+
+REPONSES_LOGOUT_ALL: Reponses = {**REPONSES_AUTHENTIFIEES, **REPONSE_ORIGINE_REFUSEE}
+
+REPONSES_MOT_DE_PASSE: Reponses = {
+    **REPONSE_VALIDATION,
+    **REPONSE_ORIGINE_REFUSEE,
+    401: {
+        "model": ErrorResponse,
+        "description": "Jeton d'accès invalide, ou mot de passe courant faux.",
+    },
+}
+
+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(
@@ -61,7 +134,12 @@ def lit_le_cookie(request: Request, settings: SettingsDep) -> str:
     return secret
 
 
-@router.post("/login", response_model=TokenResponse, summary="Ouvre une session")
+@router.post(
+    "/login",
+    response_model=TokenResponse,
+    summary="Ouvre une session",
+    responses=REPONSES_LOGIN,
+)
 async def login(
     payload: LoginRequest,
     request: Request,
@@ -98,7 +176,8 @@ async def login(
     "/refresh",
     response_model=TokenResponse,
     summary="Fait tourner la session",
-    dependencies=[Depends(require_trusted_origin)],
+    dependencies=[Depends(require_trusted_origin), Depends(cookie_de_rafraichissement)],
+    responses=REPONSES_REFRESH,
 )
 async def refresh(
     request: Request,
@@ -133,7 +212,8 @@ async def refresh(
     "/logout",
     status_code=status.HTTP_204_NO_CONTENT,
     summary="Ferme la session courante",
-    dependencies=[Depends(require_trusted_origin)],
+    dependencies=[Depends(require_trusted_origin), Depends(cookie_de_rafraichissement)],
+    responses=REPONSES_LOGOUT,
 )
 async def logout(
     request: Request, response: Response, settings: SettingsDep, service: AuthServiceDep
@@ -150,6 +230,7 @@ async def logout(
     status_code=status.HTTP_204_NO_CONTENT,
     summary="Ferme toutes les sessions du compte",
     dependencies=[Depends(require_trusted_origin)],
+    responses=REPONSES_LOGOUT_ALL,
 )
 async def logout_all(
     principal: CurrentPrincipalDep,
@@ -163,7 +244,12 @@ async def logout_all(
     response.delete_cookie(**RefreshCookie.expired(settings).as_deletion_kwargs())
 
 
-@router.get("/me", response_model=PrincipalResponse, summary="Décrit le compte connecté")
+@router.get(
+    "/me",
+    response_model=PrincipalResponse,
+    summary="Décrit le compte connecté",
+    responses=REPONSES_AUTHENTIFIEES,
+)
 async def me(principal: CurrentPrincipalDep) -> PrincipalResponse:
     return PrincipalResponse.from_principal(principal)
 
@@ -173,6 +259,7 @@ async def me(principal: CurrentPrincipalDep) -> PrincipalResponse:
     response_model=TokenResponse,
     summary="Change son propre mot de passe",
     dependencies=[Depends(require_trusted_origin)],
+    responses=REPONSES_MOT_DE_PASSE,
 )
 async def change_password(
     payload: PasswordChangeRequest,
@@ -200,3 +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/health.py

@@ -3,16 +3,17 @@ from sqlalchemy import text
 from sqlalchemy.exc import SQLAlchemyError
 
 from app.api.deps import SessionDep, SettingsDep
+from app.api.openapi import REPONSE_INDISPONIBLE
 from app.core.logging import get_logger
 from app.schemas.health import LivenessStatus, ReadinessStatus
 
 logger = get_logger(__name__)
-router = APIRouter(tags=["health"])
+router = APIRouter()
 
 TIMESCALEDB_VERSION = text("SELECT extversion FROM pg_extension WHERE extname = 'timescaledb'")
 
 
-@router.get("/live", summary="Sonde de vivacite")
+@router.get("/live", summary="Sonde de vivacité")
 async def liveness(settings: SettingsDep) -> LivenessStatus:
     return LivenessStatus(
         status="ok",
@@ -22,11 +23,13 @@ async def liveness(settings: SettingsDep) -> LivenessStatus:
     )
 
 
-@router.get("/ready", summary="Sonde de disponibilite")
+@router.get("/ready", summary="Sonde de disponibilité", responses=REPONSE_INDISPONIBLE)
 async def readiness(session: SessionDep) -> ReadinessStatus:
     try:
         version: str | None = await session.scalar(TIMESCALEDB_VERSION)
-    except SQLAlchemyError, OSError:
+    # `# fmt: skip` contourne un bug de ruff format 0.16.7 : il retire les parenthèses de ce
+    # `except` à deux types, ce qui produit une syntaxe invalide (`except A, B:`).
+    except (SQLAlchemyError, OSError):  # fmt: skip
         logger.exception("Base de données injoignable")
         raise HTTPException(
             status_code=status.HTTP_503_SERVICE_UNAVAILABLE,

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/recommendations.py

@@ -0,0 +1,40 @@
+from fastapi import APIRouter, HTTPException, status
+
+from app.api.deps import LecteurDep, RecommendationServiceDep
+from app.api.openapi import REPONSE_VALIDATION, Reponses
+from app.schemas.errors import ErrorResponse
+from app.schemas.recommendation import RecommendationResponse
+from app.services.recommendation import RecommendationNotFoundError
+
+router = APIRouter()
+
+REPONSES_INTROUVABLE: Reponses = {
+    **REPONSE_VALIDATION,
+    404: {"model": ErrorResponse, "description": "Aucune recommandation ne porte cet identifiant."},
+}
+
+
+@router.get("", response_model=list[RecommendationResponse], summary="Liste les recommandations")
+async def list_recommendations(
+    _: LecteurDep, service: RecommendationServiceDep
+) -> list[RecommendationResponse]:
+    recommendations = await service.list_all()
+    return [RecommendationResponse.model_validate(r) for r in recommendations]
+
+
+@router.get(
+    "/{recommendation_id}",
+    response_model=RecommendationResponse,
+    summary="Décrit une recommandation",
+    responses=REPONSES_INTROUVABLE,
+)
+async def get_recommendation(
+    recommendation_id: int, _: LecteurDep, service: RecommendationServiceDep
+) -> RecommendationResponse:
+    try:
+        recommendation = await service.get_by_id(recommendation_id)
+    except RecommendationNotFoundError as erreur:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND, detail="Recommandation introuvable"
+        ) from erreur
+    return RecommendationResponse.model_validate(recommendation)

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

@@ -0,0 +1,16 @@
+from fastapi import APIRouter
+
+from app.api.deps import AdminDep, SensorServiceDep
+from app.schemas.sensor import SensorStatusResponse
+
+router = APIRouter()
+
+
+@router.get(
+    "/status",
+    response_model=SensorStatusResponse,
+    summary="État de santé des capteurs par site",
+)
+async def get_status(_: AdminDep, service: SensorServiceDep) -> SensorStatusResponse:
+    etat = await service.status()
+    return SensorStatusResponse.model_validate(etat)

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

@@ -0,0 +1,52 @@
+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 SiteCurrentResponse, SiteResponse
+from app.services.site import SiteNotFoundError
+
+router = APIRouter()
+
+REPONSES_INTROUVABLE: Reponses = {
+    **REPONSE_VALIDATION,
+    404: {"model": ErrorResponse, "description": "Aucun site ne porte cet identifiant."},
+}
+
+
+@router.get("", response_model=list[SiteResponse], summary="Liste les sites")
+async def list_sites(_: LecteurDep, service: SiteServiceDep) -> list[SiteResponse]:
+    sites = await service.list_all()
+    return [SiteResponse.model_validate(site) for site in sites]
+
+
+@router.get(
+    "/{site_id}",
+    response_model=SiteResponse,
+    summary="Décrit un site",
+    responses=REPONSES_INTROUVABLE,
+)
+async def get_site(site_id: str, _: LecteurDep, service: SiteServiceDep) -> SiteResponse:
+    try:
+        site = await service.get_by_id(site_id)
+    except SiteNotFoundError as erreur:
+        raise HTTPException(
+            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/endpoints/stats.py

@@ -0,0 +1,16 @@
+from fastapi import APIRouter
+
+from app.api.deps import LecteurDep, StatsServiceDep
+from app.schemas.stats import StatsSummaryResponse
+
+router = APIRouter()
+
+
+@router.get(
+    "/summary",
+    response_model=StatsSummaryResponse,
+    summary="Résume la consommation instantanée du parc",
+)
+async def get_summary(_: LecteurDep, service: StatsServiceDep) -> StatsSummaryResponse:
+    resume = await service.summary()
+    return StatsSummaryResponse.model_validate(resume)

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

@@ -3,7 +3,9 @@ from uuid import UUID
 from fastapi import APIRouter, HTTPException, Response, status
 
 from app.api.deps import AdminDep, UserServiceDep
+from app.api.openapi import REPONSE_VALIDATION, Reponses
 from app.core.logging import get_logger
+from app.schemas.errors import ErrorResponse
 from app.schemas.user import (
     TemporaryPasswordResponse,
     UserCreateRequest,
@@ -15,6 +17,28 @@ from app.services.user import EmailAlreadyUsedError, LastAdminError, UserNotFoun
 router = APIRouter()
 logger = get_logger(__name__)
 
+REPONSES_CREATION: Reponses = {
+    **REPONSE_VALIDATION,
+    409: {"model": ErrorResponse, "description": "Adresse déjà portée par un autre compte."},
+}
+
+REPONSES_INTROUVABLE: Reponses = {
+    **REPONSE_VALIDATION,
+    404: {"model": ErrorResponse, "description": "Aucun compte ne porte cet identifiant."},
+}
+
+REPONSES_MODIFICATION: Reponses = {
+    **REPONSES_INTROUVABLE,
+    400: {"model": ErrorResponse, "description": "Corps vide, aucune modification demandée."},
+    409: {
+        "model": ErrorResponse,
+        "description": (
+            "L'opération laisserait la plateforme sans administrateur actif, qu'il s'agisse de "
+            "rétrograder le dernier ou de le désactiver."
+        ),
+    },
+}
+
 
 @router.get("", response_model=list[UserResponse], summary="Liste les comptes")
 async def list_users(_: AdminDep, service: UserServiceDep) -> list[UserResponse]:
@@ -27,6 +51,7 @@ async def list_users(_: AdminDep, service: UserServiceDep) -> list[UserResponse]
     response_model=TemporaryPasswordResponse,
     status_code=status.HTTP_201_CREATED,
     summary="Crée un compte avec un mot de passe provisoire",
+    responses=REPONSES_CREATION,
 )
 async def create_user(
     payload: UserCreateRequest,
@@ -55,7 +80,12 @@ async def create_user(
     )
 
 
-@router.patch("/{user_id}", response_model=UserResponse, summary="Change le rôle ou l'activation")
+@router.patch(
+    "/{user_id}",
+    response_model=UserResponse,
+    summary="Change le rôle ou l'activation",
+    responses=REPONSES_MODIFICATION,
+)
 async def update_user(
     user_id: UUID,
     payload: UserUpdateRequest,
@@ -92,6 +122,7 @@ async def update_user(
     "/{user_id}/password-reset",
     response_model=TemporaryPasswordResponse,
     summary="Réinitialise le mot de passe et ferme les sessions",
+    responses=REPONSES_INTROUVABLE,
 )
 async def reset_password(
     user_id: UUID, acteur: AdminDep, service: UserServiceDep, response: Response

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

@@ -1,8 +1,36 @@
 from fastapi import APIRouter
 
-from app.api.v1.endpoints import auth, health, users
+from app.api.openapi import REPONSE_SERVEUR, REPONSES_ADMIN, REPONSES_LECTEUR
+from app.api.v1.endpoints import (
+    alerts,
+    auth,
+    health,
+    readings,
+    recommendations,
+    sensors,
+    sites,
+    stats,
+    users,
+)
 
-api_router = APIRouter()
+api_router = APIRouter(responses=REPONSE_SERVEUR)
 api_router.include_router(health.router, prefix="/health", tags=["health"])
 api_router.include_router(auth.router, prefix="/auth", tags=["auth"])
-api_router.include_router(users.router, prefix="/users", tags=["users"])
+api_router.include_router(users.router, prefix="/users", tags=["users"], responses=REPONSES_ADMIN)
+api_router.include_router(sites.router, prefix="/sites", tags=["sites"], responses=REPONSES_LECTEUR)
+api_router.include_router(
+    alerts.router, prefix="/alerts", tags=["alerts"], responses=REPONSES_LECTEUR
+)
+api_router.include_router(
+    recommendations.router,
+    prefix="/recommendations",
+    tags=["recommendations"],
+    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

@@ -7,18 +7,26 @@
 
 import argparse
 import asyncio
+import json
 import secrets
+import string
 import sys
 from getpass import getpass
+from pathlib import Path
+from typing import Any
+
+from pydantic import SecretStr
 
 from app.core.config import Settings, get_settings
 from app.core.hashing import build_hasher
 from app.core.roles import Role
 from app.db.session import get_session_factory
+from app.main import create_app
 from app.repositories.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"
 
 
 async def create_admin(
@@ -55,6 +63,35 @@ async def create_admin(
     )
 
 
+# Piège : le schéma ne doit dépendre ni du `.env` du poste ni des variables `APP_*`, sinon le
+# fichier versionné changerait de machine en machine et le test de dérive deviendrait un oracle
+# de configuration locale. Tout ce qui atteint le schéma est donc posé ici, `_env_file` compris.
+def settings_du_contrat() -> Settings:
+    return Settings(
+        _env_file=None,
+        name="EnerVision API",
+        version="0.1.0",
+        env="local",
+        api_prefix="/api/v1",
+        secret_key=SecretStr("contrat-openapi-sans-effet-sur-le-schema"),
+        database_url="postgresql+asyncpg://openapi:contrat@localhost:5432/enervision",
+    )
+
+
+def schema_du_contrat() -> dict[str, Any]:
+    schema: dict[str, Any] = create_app(settings_du_contrat()).openapi()
+    return schema
+
+
+def rend_le_contrat() -> str:
+    return json.dumps(schema_du_contrat(), indent=2, ensure_ascii=False) + "\n"
+
+
+def export_openapi(destination: Path) -> str:
+    destination.write_text(rend_le_contrat(), encoding="utf-8")
+    return f"Contrat OpenAPI écrit dans {destination}"
+
+
 def build_parser() -> argparse.ArgumentParser:
     parser = argparse.ArgumentParser(prog="python -m app.cli", description="Outils EnerVision")
     sous_commandes = parser.add_subparsers(dest="commande", required=True)
@@ -67,18 +104,42 @@ def build_parser() -> argparse.ArgumentParser:
     admin.add_argument(
         "--force", action="store_true", help="Crée le compte même si un administrateur existe"
     )
+
+    contrat = sous_commandes.add_parser(
+        "export-openapi", help="Écrit le contrat OpenAPI sur disque"
+    )
+    contrat.add_argument("--output", default=str(CHEMIN_CONTRAT))
     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:
+    if len(mot_de_passe) < PASSWORD_MIN_LENGTH:
-        raise SystemExit(f"Le mot de passe doit faire au moins {LONGUEUR_MINIMALE} caractères")
+        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
@@ -86,6 +147,11 @@ def read_password(*, generate: bool) -> str:
 
 def main(argv: list[str] | None = None) -> int:
     arguments = build_parser().parse_args(argv)
+
+    if arguments.commande == "export-openapi":
+        print(export_openapi(Path(arguments.output)))
+        return 0
+
     mot_de_passe = read_password(generate=arguments.generate)
 
     succes, message = asyncio.run(

apps/backend/app/core/config.py

@@ -8,6 +8,7 @@ Environment = Literal["local", "dev", "staging", "prod"]
 SameSite = Literal["lax", "strict", "none"]
 
 SECRET_KEY_MIN_LENGTH = 32
+REFRESH_COOKIE_DEFAUT = "ev_refresh"
 SENTINELLES_INTERDITES = frozenset(
     {"change_me", "changeme", "secret", "secret-de-test", "changez-moi", "todo"}
 )
@@ -38,7 +39,7 @@ class Settings(BaseSettings):
     access_token_ttl_seconds: int = Field(default=900, ge=60, le=3600)
     refresh_token_ttl_seconds: int = Field(default=604800, ge=3600, le=2592000)
 
-    refresh_cookie_name: str = "ev_refresh"
+    refresh_cookie_name: str = REFRESH_COOKIE_DEFAUT
     cookie_path: str = "/api/v1/auth"
     cookie_samesite: SameSite = "strict"
     cookie_secure: bool | None = None
@@ -53,6 +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/etl/historical_import.py

@@ -0,0 +1,621 @@
+from __future__ import annotations
+
+import argparse
+import asyncio
+import hashlib
+import json
+from pathlib import Path
+from typing import Any, cast
+
+import pandas as pd
+from sqlalchemy import text
+from sqlalchemy.ext.asyncio import AsyncConnection, create_async_engine
+
+from app.core.config import get_settings
+
+REQUIRED_COLUMNS = {
+    "timestamp",
+    "site_id",
+    "site_type",
+    "site_name",
+    "consumption_kwh",
+    "consumption_euros",
+    "temperature_celsius",
+    "humidity_percent",
+    "solar_irradiance_wm2",
+    "hour",
+    "day_of_week",
+    "day_name",
+    "month",
+    "is_weekend",
+    "is_working_hours",
+}
+
+MEASURE_COLUMNS = [
+    "consumption_kwh",
+    "consumption_euros",
+    "temperature_celsius",
+    "humidity_percent",
+    "solar_irradiance_wm2",
+]
+
+SOURCE_NAME = "csv"
+
+
+def compute_sha256(path: Path) -> str:
+    """Calcule l'empreinte SHA-256 du fichier source."""
+    sha256 = hashlib.sha256()
+
+    with path.open("rb") as source:
+        for block in iter(lambda: source.read(1024 * 1024), b""):
+            sha256.update(block)
+
+    return sha256.hexdigest()
+
+
+def load_metadata(path: Path) -> dict[str, Any]:
+    """Charge les métadonnées fournies avec le dataset."""
+    with path.open("r", encoding="utf-8") as source:
+        metadata = json.load(source)
+
+    if not isinstance(metadata, dict):
+        raise ValueError("Le fichier de métadonnées doit contenir un objet JSON.")
+
+    return cast(dict[str, Any], metadata)
+
+
+def classify_quality(
+    row: dict[str, Any],
+) -> tuple[str, list[str]]:
+    """
+    Déduit une qualité technique à partir des champs manquants.
+
+    Les valeurs NULL sont conservées. On ne cherche pas ici à
+    déterminer la cause physique exacte de leur absence.
+    """
+    missing = [column for column in MEASURE_COLUMNS if pd.isna(row.get(column))]
+
+    if not missing:
+        quality = "good"
+    elif len(missing) == len(MEASURE_COLUMNS):
+        quality = "critical"
+    elif "consumption_kwh" in missing:
+        quality = "degraded"
+    else:
+        quality = "partial"
+
+    reasons = [f"missing:{column}" for column in missing]
+
+    return quality, reasons
+
+
+def validate_source(
+    frame: pd.DataFrame,
+    metadata: dict[str, Any],
+) -> None:
+    """Valide le dataset avant tout chargement en base."""
+    missing_columns = REQUIRED_COLUMNS.difference(frame.columns)
+
+    if missing_columns:
+        raise ValueError(f"Colonnes obligatoires absentes : {sorted(missing_columns)}")
+
+    expected_records = int(metadata["total_records"])
+
+    if len(frame) != expected_records:
+        raise ValueError(f"Nombre de lignes inattendu : {len(frame)} au lieu de {expected_records}")
+
+    expected_sites = set(metadata["sites"].keys())
+    actual_sites = set(frame["site_id"].unique())
+
+    if actual_sites != expected_sites:
+        raise ValueError(
+            f"Sites incohérents. Attendus={sorted(expected_sites)}, trouvés={sorted(actual_sites)}"
+        )
+
+    duplicated = frame.duplicated(subset=["site_id", "timestamp"]).sum()
+
+    if duplicated:
+        raise ValueError(f"{duplicated} doublons (site_id, timestamp) détectés")
+
+    static_variants = frame.groupby("site_id")[["site_type", "site_name"]].nunique()
+
+    if (static_variants > 1).any().any():
+        raise ValueError("Un site possède plusieurs valeurs de site_type ou site_name.")
+
+    # Vérifie également que tous les timestamps
+    # peuvent être interprétés correctement.
+    pd.to_datetime(
+        frame["timestamp"],
+        errors="raise",
+    )
+
+
+def normalize_timestamps(
+    frame: pd.DataFrame,
+    source_timezone: str,
+) -> pd.DataFrame:
+    """
+    Normalise les timestamps et leur associe une timezone.
+
+    Les timestamps originaux sont conservés dans une colonne
+    temporaire afin de pouvoir les stocker dans raw_data.
+    """
+    normalized = frame.copy()
+
+    normalized["_source_timestamp"] = normalized["timestamp"]
+
+    timestamps = pd.to_datetime(
+        normalized["timestamp"],
+        errors="raise",
+    )
+
+    if timestamps.dt.tz is None:
+        timestamps = timestamps.dt.tz_localize(source_timezone)
+    else:
+        timestamps = timestamps.dt.tz_convert(source_timezone)
+
+    normalized["timestamp"] = timestamps
+
+    return normalized
+
+
+def to_json_value(value: Any) -> Any:
+    """
+    Convertit une valeur Pandas/Numpy en valeur
+    compatible JSON.
+    """
+    if value is None:
+        return None
+
+    try:
+        if pd.isna(value):
+            return None
+    except TypeError, ValueError:
+        pass
+
+    if isinstance(value, pd.Timestamp):
+        return value.isoformat()
+
+    if hasattr(value, "item"):
+        return value.item()
+
+    return value
+
+
+async def ensure_dataset(
+    connection: AsyncConnection,
+    metadata: dict[str, Any],
+    sha256: str,
+    source_timezone: str,
+    storage_uri: str,
+) -> int:
+    """
+    Crée l'entrée dataset si elle n'existe pas.
+
+    Le SHA-256 permet de reconnaître un fichier déjà importé
+    et participe à l'idempotence et à la traçabilité.
+    """
+    result = await connection.execute(
+        text(
+            """
+            SELECT dataset_id
+            FROM dataset
+            WHERE archive_sha256 = :sha256
+            LIMIT 1
+            """
+        ),
+        {
+            "sha256": sha256,
+        },
+    )
+
+    existing = result.scalar_one_or_none()
+
+    if existing is not None:
+        return int(existing)
+
+    metadata_summary = {
+        "generator_version": metadata.get("generator_version"),
+        "total_sites": metadata.get("total_sites"),
+        "total_records": metadata.get("total_records"),
+        "date_range": metadata.get("date_range"),
+        "frequency": metadata.get("frequency"),
+        "null_injection_enabled": metadata.get("null_injection_enabled"),
+        "null_strategies": metadata.get("null_strategies"),
+        "importer": "historical_import_v1",
+    }
+
+    result = await connection.execute(
+        text(
+            """
+            INSERT INTO dataset (
+                dataset_name,
+                archive_sha256,
+                storage_uri,
+                source_timezone,
+                "metadata"
+            )
+            VALUES (
+                :dataset_name,
+                :archive_sha256,
+                :storage_uri,
+                :source_timezone,
+                CAST(:metadata AS jsonb)
+            )
+            RETURNING dataset_id
+            """
+        ),
+        {
+            "dataset_name": ("EnerVision historical dataset 2023-2024"),
+            "archive_sha256": sha256,
+            "storage_uri": storage_uri,
+            "source_timezone": source_timezone,
+            "metadata": json.dumps(
+                metadata_summary,
+                ensure_ascii=False,
+            ),
+        },
+    )
+
+    return int(result.scalar_one())
+
+
+async def upsert_sites(
+    connection: AsyncConnection,
+    frame: pd.DataFrame,
+) -> None:
+    """Insère ou met à jour les sites du dataset."""
+    sites = cast(
+        list[dict[str, Any]],
+        frame[
+            [
+                "site_id",
+                "site_type",
+                "site_name",
+            ]
+        ]
+        .drop_duplicates(subset=["site_id"])
+        .to_dict(orient="records"),
+    )
+
+    await connection.execute(
+        text(
+            """
+            INSERT INTO site (
+                site_id,
+                site_type,
+                site_name
+            )
+            VALUES (
+                :site_id,
+                :site_type,
+                :site_name
+            )
+            ON CONFLICT (site_id)
+            DO UPDATE SET
+                site_type = EXCLUDED.site_type,
+                site_name = EXCLUDED.site_name
+            """
+        ),
+        sites,
+    )
+
+
+def build_reading_batch(
+    chunk: pd.DataFrame,
+    dataset_id: int,
+) -> list[dict[str, Any]]:
+    """
+    Transforme un chunk Pandas en lignes prêtes
+    à être chargées dans la table reading.
+    """
+    rows: list[dict[str, Any]] = []
+
+    records = cast(
+        list[dict[str, Any]],
+        chunk.to_dict(orient="records"),
+    )
+
+    for record in records:
+        quality, reasons = classify_quality(record)
+
+        raw_data = {
+            column: to_json_value(value)
+            for column, value in record.items()
+            if column != "_source_timestamp"
+        }
+
+        # Dans raw_data, on conserve le timestamp
+        # exactement tel qu'il était dans le CSV.
+        raw_data["timestamp"] = to_json_value(record["_source_timestamp"])
+
+        rows.append(
+            {
+                "site_id": record["site_id"],
+                "timestamp": record["timestamp"],
+                "source": SOURCE_NAME,
+                "dataset_id": dataset_id,
+                # Non fourni par le dataset historique.
+                "consumption_kw": None,
+                "consumption_kwh": to_json_value(record["consumption_kwh"]),
+                "consumption_euros": to_json_value(record["consumption_euros"]),
+                # Non fournis par le CSV historique.
+                "voltage_v": None,
+                "current_a": None,
+                "power_factor": None,
+                "temperature_celsius": (to_json_value(record["temperature_celsius"])),
+                "humidity_percent": (to_json_value(record["humidity_percent"])),
+                "solar_irradiance_wm2": (to_json_value(record["solar_irradiance_wm2"])),
+                "is_working_hours": bool(record["is_working_hours"]),
+                "data_quality": quality,
+                "null_reasons": reasons,
+                # Aucune imputation pendant l'ingestion RAW.
+                # Les valeurs manquantes sont conservées telles quelles
+                # afin de préserver la donnée source.
+                "imputed_values": None,
+                "imputation_method": None,
+                # Conservation de la donnée source
+                # pour la traçabilité.
+                "raw_data": json.dumps(
+                    raw_data,
+                    ensure_ascii=False,
+                ),
+            }
+        )
+
+    return rows
+
+
+READING_INSERT = text(
+    """
+    INSERT INTO reading (
+        site_id,
+        timestamp,
+        source,
+        dataset_id,
+        consumption_kw,
+        consumption_kwh,
+        consumption_euros,
+        voltage_v,
+        current_a,
+        power_factor,
+        temperature_celsius,
+        humidity_percent,
+        solar_irradiance_wm2,
+        is_working_hours,
+        data_quality,
+        null_reasons,
+        imputed_values,
+        imputation_method,
+        raw_data
+    )
+    VALUES (
+        :site_id,
+        :timestamp,
+        :source,
+        :dataset_id,
+        :consumption_kw,
+        :consumption_kwh,
+        :consumption_euros,
+        :voltage_v,
+        :current_a,
+        :power_factor,
+        :temperature_celsius,
+        :humidity_percent,
+        :solar_irradiance_wm2,
+        :is_working_hours,
+        :data_quality,
+        :null_reasons,
+        CAST(:imputed_values AS jsonb),
+        :imputation_method,
+        CAST(:raw_data AS jsonb)
+    )
+    ON CONFLICT DO NOTHING
+    """
+)
+
+
+async def import_historical(
+    csv_path: Path,
+    metadata_path: Path,
+    source_timezone: str,
+    batch_size: int,
+    dry_run: bool,
+    storage_uri: str,
+) -> None:
+    """
+    Exécute le pipeline ETL historique EnerVision.
+
+    Étapes :
+    1. Extract
+    2. Validate
+    3. Transform
+    4. Load
+    """
+    metadata = load_metadata(metadata_path)
+
+    frame = pd.read_csv(csv_path)
+
+    validate_source(
+        frame,
+        metadata,
+    )
+
+    print(f"Lignes             : {len(frame)}")
+    print(f"Sites              : {frame['site_id'].nunique()}")
+    print(f"Période            : {frame['timestamp'].min()} -> {frame['timestamp'].max()}")
+    print(f"Doublons           : {frame.duplicated(['site_id', 'timestamp']).sum()}")
+
+    print("\nValeurs NULL :")
+    print(frame[MEASURE_COLUMNS].isna().sum())
+
+    sha256 = compute_sha256(csv_path)
+
+    print(f"\nSHA-256            : {sha256}")
+
+    if dry_run:
+        print("\nDry-run terminé : aucune donnée écrite.")
+        return
+
+    normalized = normalize_timestamps(
+        frame,
+        source_timezone,
+    )
+
+    settings = get_settings()
+
+    engine = create_async_engine(
+        str(settings.database_url),
+        pool_pre_ping=True,
+    )
+
+    try:
+        async with engine.begin() as connection:
+            dataset_id = await ensure_dataset(
+                connection=connection,
+                metadata=metadata,
+                sha256=sha256,
+                source_timezone=source_timezone,
+                storage_uri=storage_uri,
+            )
+
+            await upsert_sites(
+                connection,
+                normalized,
+            )
+
+            result = await connection.execute(
+                text(
+                    """
+                    SELECT COUNT(*)
+                    FROM reading
+                    WHERE dataset_id = :dataset_id
+                      AND source = :source
+                    """
+                ),
+                {
+                    "dataset_id": dataset_id,
+                    "source": SOURCE_NAME,
+                },
+            )
+
+            before = int(result.scalar_one())
+
+            for start in range(
+                0,
+                len(normalized),
+                batch_size,
+            ):
+                chunk = normalized.iloc[start : start + batch_size]
+
+                rows = build_reading_batch(
+                    chunk,
+                    dataset_id,
+                )
+
+                await connection.execute(
+                    READING_INSERT,
+                    rows,
+                )
+
+                loaded = min(
+                    start + batch_size,
+                    len(normalized),
+                )
+
+                print(f"Chargement : {loaded}/{len(normalized)}")
+
+            result = await connection.execute(
+                text(
+                    """
+                    SELECT COUNT(*)
+                    FROM reading
+                    WHERE dataset_id = :dataset_id
+                      AND source = :source
+                    """
+                ),
+                {
+                    "dataset_id": dataset_id,
+                    "source": SOURCE_NAME,
+                },
+            )
+
+            after = int(result.scalar_one())
+
+            print("\nImport terminé.")
+            print(f"dataset_id         : {dataset_id}")
+            print(f"lectures avant     : {before}")
+            print(f"lectures après     : {after}")
+            print(f"nouvelles lectures : {after - before}")
+
+    finally:
+        await engine.dispose()
+
+
+def parse_args() -> argparse.Namespace:
+    """Définit les arguments CLI de l'import."""
+    parser = argparse.ArgumentParser(description=("Import historique EnerVision"))
+
+    parser.add_argument(
+        "--csv",
+        type=Path,
+        required=True,
+        help="Chemin vers le CSV historique.",
+    )
+
+    parser.add_argument(
+        "--metadata",
+        type=Path,
+        required=True,
+        help=("Chemin vers le fichier dataset_metadata.json."),
+    )
+
+    parser.add_argument(
+        "--source-timezone",
+        default="UTC",
+        help=("Timezone associée aux timestamps du dataset. Défaut : UTC."),
+    )
+
+    parser.add_argument(
+        "--batch-size",
+        type=int,
+        default=1000,
+        help=("Nombre de lignes insérées par batch. Défaut : 1000."),
+    )
+
+    parser.add_argument(
+        "--dry-run",
+        action="store_true",
+        help=("Valide les données sans écrire en base."),
+    )
+
+    return parser.parse_args()
+
+
+def main() -> None:
+    """Point d'entrée CLI du pipeline."""
+    args = parse_args()
+
+    if args.batch_size <= 0:
+        raise ValueError("--batch-size doit être strictement supérieur à 0.")
+
+    # resolve() est volontairement exécuté ici,
+    # dans la partie synchrone du programme.
+    # Cela évite une opération filesystem bloquante
+    # à l'intérieur d'une fonction async.
+    storage_uri = args.csv.resolve().as_uri()
+
+    asyncio.run(
+        import_historical(
+            csv_path=args.csv,
+            metadata_path=args.metadata,
+            source_timezone=(args.source_timezone),
+            batch_size=args.batch_size,
+            dry_run=args.dry_run,
+            storage_uri=storage_uri,
+        )
+    )
+
+
+if __name__ == "__main__":
+    main()

apps/backend/app/main.py

@@ -1,12 +1,18 @@
 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
+from app.api.openapi import DESCRIPTION, SUMMARY, TAGS
 from app.api.security import require_metrics_token
 from app.api.v1.router import api_router
 from app.core.config import Settings, get_settings
@@ -17,6 +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
@@ -37,13 +45,46 @@ def create_app(settings: Settings | None = None) -> FastAPI:
     application = FastAPI(
         title=resolved.name,
         version=resolved.version,
+        summary=SUMMARY,
+        description=DESCRIPTION,
+        openapi_tags=TAGS,
         debug=resolved.debug,
         lifespan=lifespan,
-        docs_url="/docs" if documentee else None,
+        docs_url=None,
-        redoc_url="/redoc" if documentee else 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/alert.py

@@ -0,0 +1,21 @@
+from collections.abc import Sequence
+
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.models.energy import Alert
+
+
+class AlertRepository:
+    def __init__(self, session: AsyncSession) -> None:
+        self._session = session
+
+    async def list_all(
+        self, *, site_id: str | None = None, severity: str | None = None
+    ) -> Sequence[Alert]:
+        requete = select(Alert).order_by(Alert.timestamp.desc(), Alert.alert_id.desc())
+        if site_id is not None:
+            requete = requete.where(Alert.site_id == site_id)
+        if severity is not None:
+            requete = requete.where(Alert.severity == severity)
+        return (await self._session.scalars(requete)).all()

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

@@ -0,0 +1,55 @@
+from collections.abc import Sequence
+from datetime import datetime
+
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.models.energy import Reading
+
+
+class ReadingRepository:
+    def __init__(self, session: AsyncSession) -> None:
+        self._session = session
+
+    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. `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(), 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/repositories/recommendation.py

@@ -0,0 +1,22 @@
+from collections.abc import Sequence
+
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.models.energy import Recommendation
+
+
+class RecommendationRepository:
+    def __init__(self, session: AsyncSession) -> None:
+        self._session = session
+
+    async def list_all(self) -> Sequence[Recommendation]:
+        requete = select(Recommendation).order_by(Recommendation.recommendation_id)
+        return (await self._session.scalars(requete)).all()
+
+    async def get_by_id(self, recommendation_id: int) -> Recommendation | None:
+        requete = select(Recommendation).where(
+            Recommendation.recommendation_id == recommendation_id
+        )
+        recommendation: Recommendation | None = await self._session.scalar(requete)
+        return recommendation

apps/backend/app/repositories/site.py

@@ -0,0 +1,20 @@
+from collections.abc import Sequence
+
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.models.energy import Site
+
+
+class SiteRepository:
+    def __init__(self, session: AsyncSession) -> None:
+        self._session = session
+
+    async def list_all(self) -> Sequence[Site]:
+        requete = select(Site).order_by(Site.site_id)
+        return (await self._session.scalars(requete)).all()
+
+    async def get_by_id(self, site_id: str) -> Site | None:
+        requete = select(Site).where(Site.site_id == site_id)
+        site: Site | None = await self._session.scalar(requete)
+        return site

apps/backend/app/schemas/alert.py

@@ -0,0 +1,34 @@
+from datetime import datetime
+from enum import StrEnum
+
+from pydantic import BaseModel, ConfigDict
+
+
+class AlertType(StrEnum):
+    SPIKE = "spike"
+    THRESHOLD = "threshold"
+    ANOMALY = "anomaly"
+    OUTAGE = "outage"
+    SENSOR = "sensor"
+
+
+class AlertSeverity(StrEnum):
+    LOW = "low"
+    MEDIUM = "medium"
+    HIGH = "high"
+    CRITICAL = "critical"
+
+
+class AlertResponse(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    alert_id: int
+    site_id: str
+    timestamp: datetime
+    type: AlertType
+    severity: AlertSeverity
+    message: str
+    value: float | None
+    threshold: float | None
+    metric: str | None
+    prediction_id: int | None

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/errors.py

@@ -0,0 +1,23 @@
+# Piège : ces modèles ne décrivent rien, ils publient. Ce sont eux que Swagger montre, donc ils
+# doivent suivre `validation_error_handler()` et `unhandled_error_handler()` d'`app/api/errors.py`
+# à la lettre. Un champ renommé là-bas sans l'être ici rend la documentation fausse en silence.
+
+from pydantic import BaseModel
+
+
+class ErrorResponse(BaseModel):
+    detail: str
+
+
+class FieldError(BaseModel):
+    champ: str
+    type: str
+
+
+class ValidationErrorResponse(BaseModel):
+    detail: list[FieldError]
+
+
+class InternalErrorResponse(BaseModel):
+    detail: str
+    correlation: str

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/recommendation.py

@@ -0,0 +1,14 @@
+from datetime import datetime
+
+from pydantic import BaseModel, ConfigDict
+
+
+class RecommendationResponse(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    recommendation_id: int
+    alert_id: int
+    action: str
+    explanation: str
+    rule_reference: str
+    created_at: datetime

apps/backend/app/schemas/sensor.py

@@ -0,0 +1,42 @@
+from datetime import datetime
+from typing import Literal
+
+from pydantic import BaseModel, ConfigDict, Field
+
+
+class SensorDiagnosticResponse(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    status: Literal["ok", "failing"]
+    since: datetime | None = Field(
+        description=(
+            "Horodatage de la dernière lecture reçue pour ce site. Ce n'est pas le début de la "
+            "panne : l'historique ne permet pas de le dater sans requête supplémentaire."
+        )
+    )
+
+
+class SiteSensorsResponse(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    consumption: SensorDiagnosticResponse
+    electrical: SensorDiagnosticResponse
+    temperature: SensorDiagnosticResponse
+    humidity: SensorDiagnosticResponse
+    network: SensorDiagnosticResponse
+
+
+class SiteSensorStatusResponse(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    site_id: str
+    site_name: str
+    sensors: SiteSensorsResponse
+    overall: Literal["ok", "degraded", "critical"]
+
+
+class SensorStatusResponse(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    timestamp: datetime
+    sites: list[SiteSensorStatusResponse]

apps/backend/app/schemas/site.py

@@ -0,0 +1,32 @@
+from datetime import datetime
+from typing import Literal
+
+from pydantic import BaseModel, ConfigDict
+
+
+class SiteResponse(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    site_id: str
+    site_name: str
+    site_type: str
+    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/schemas/stats.py

@@ -0,0 +1,26 @@
+from datetime import datetime
+from typing import Literal
+
+from pydantic import BaseModel, ConfigDict
+
+
+class SiteSummaryResponse(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    site_id: str
+    site_name: str
+    current_consumption_kw: float | None
+    capacity_kw: float
+    load_percent: float | None
+    data_quality: Literal["good", "partial", "degraded", "critical"]
+
+
+class StatsSummaryResponse(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    timestamp: datetime
+    total_sites: int
+    total_consumption_kw: float
+    total_capacity_kw: float
+    average_load_percent: float
+    sites: list[SiteSummaryResponse]

apps/backend/app/services/alert.py

@@ -0,0 +1,14 @@
+from collections.abc import Sequence
+
+from app.models.energy import Alert
+from app.repositories.alert import AlertRepository
+
+
+class AlertService:
+    def __init__(self, *, alerts: AlertRepository) -> None:
+        self._alerts = alerts
+
+    async def list_all(
+        self, *, site_id: str | None = None, severity: str | None = None
+    ) -> Sequence[Alert]:
+        return await self._alerts.list_all(site_id=site_id, severity=severity)

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/recommendation.py

@@ -0,0 +1,26 @@
+from collections.abc import Sequence
+
+from app.models.energy import Recommendation
+from app.repositories.recommendation import RecommendationRepository
+
+
+class RecommendationError(Exception):
+    pass
+
+
+class RecommendationNotFoundError(RecommendationError):
+    pass
+
+
+class RecommendationService:
+    def __init__(self, *, recommendations: RecommendationRepository) -> None:
+        self._recommendations = recommendations
+
+    async def list_all(self) -> Sequence[Recommendation]:
+        return await self._recommendations.list_all()
+
+    async def get_by_id(self, recommendation_id: int) -> Recommendation:
+        recommendation = await self._recommendations.get_by_id(recommendation_id)
+        if recommendation is None:
+            raise RecommendationNotFoundError(recommendation_id)
+        return recommendation

apps/backend/app/services/sensor.py

@@ -0,0 +1,136 @@
+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
+from app.services.data_quality import qualite_ou_critique
+
+CapteurStatus = Literal["ok", "failing"]
+OverallStatus = Literal["ok", "degraded", "critical"]
+
+RAISON_VERS_CAPTEUR: dict[str, str] = {
+    "consumption_sensor_failure": "consumption",
+    "electrical_sensor_failure": "electrical",
+    "temperature_sensor_failure": "temperature",
+    "humidity_sensor_failure": "humidity",
+    "network_loss": "network",
+}
+
+CHAMPS_PAR_CAPTEUR: dict[str, tuple[str, ...]] = {
+    "consumption": ("consumption_kw",),
+    "electrical": ("voltage_v", "current_a", "power_factor"),
+    "temperature": ("temperature_celsius",),
+    "humidity": ("humidity_percent",),
+}
+
+
+@dataclass(frozen=True, slots=True)
+class DiagnosticCapteur:
+    status: CapteurStatus
+    since: datetime | None
+
+
+@dataclass(frozen=True, slots=True)
+class SanteCapteurs:
+    consumption: DiagnosticCapteur
+    electrical: DiagnosticCapteur
+    temperature: DiagnosticCapteur
+    humidity: DiagnosticCapteur
+    network: DiagnosticCapteur
+
+
+@dataclass(frozen=True, slots=True)
+class SanteSite:
+    site_id: str
+    site_name: str
+    sensors: SanteCapteurs
+    overall: OverallStatus
+
+
+@dataclass(frozen=True, slots=True)
+class EtatCapteurs:
+    timestamp: datetime
+    sites: list[SanteSite]
+
+
+class SensorService:
+    def __init__(self, sites: SiteRepository, readings: ReadingRepository) -> None:
+        self._sites = sites
+        self._readings = readings
+
+    async def status(self) -> EtatCapteurs:
+        sites = await self._sites.list_all()
+        dernieres = {lecture.site_id: lecture for lecture in await self._readings.latest_by_site()}
+
+        return EtatCapteurs(
+            timestamp=datetime.now(UTC),
+            sites=[_sante_site(site, dernieres.get(site.site_id)) for site in sites],
+        )
+
+
+def _sante_site(site: Site, derniere: Reading | None) -> SanteSite:
+    if derniere is None:
+        return SanteSite(
+            site_id=site.site_id,
+            site_name=site.site_name,
+            sensors=_tout_en_echec(since=None),
+            overall="critical",
+        )
+
+    qualite = qualite_ou_critique(derniere.data_quality)
+    overall = _overall_depuis_qualite(qualite)
+
+    if overall == "critical":
+        return SanteSite(
+            site_id=site.site_id,
+            site_name=site.site_name,
+            sensors=_tout_en_echec(since=derniere.timestamp),
+            overall="critical",
+        )
+
+    raisons_signalees = {
+        RAISON_VERS_CAPTEUR[raison]
+        for raison in (derniere.null_reasons or [])
+        if raison in RAISON_VERS_CAPTEUR
+    }
+
+    return SanteSite(
+        site_id=site.site_id,
+        site_name=site.site_name,
+        sensors=SanteCapteurs(
+            consumption=_diagnostic("consumption", derniere, raisons_signalees),
+            electrical=_diagnostic("electrical", derniere, raisons_signalees),
+            temperature=_diagnostic("temperature", derniere, raisons_signalees),
+            humidity=_diagnostic("humidity", derniere, raisons_signalees),
+            network=_diagnostic("network", derniere, raisons_signalees),
+        ),
+        overall=overall,
+    )
+
+
+def _overall_depuis_qualite(qualite: str) -> OverallStatus:
+    if qualite == "good":
+        return "ok"
+    if qualite in ("partial", "degraded"):
+        return "degraded"
+    return "critical"
+
+
+def _diagnostic(capteur: str, derniere: Reading, raisons_signalees: set[str]) -> DiagnosticCapteur:
+    champs = CHAMPS_PAR_CAPTEUR.get(capteur, ())
+    en_echec = capteur in raisons_signalees or any(
+        getattr(derniere, champ) is None for champ in champs
+    )
+    return DiagnosticCapteur(
+        status="failing" if en_echec else "ok",
+        since=derniere.timestamp if en_echec else None,
+    )
+
+
+def _tout_en_echec(since: datetime | None) -> SanteCapteurs:
+    echec = DiagnosticCapteur(status="failing", since=since)
+    return SanteCapteurs(
+        consumption=echec, electrical=echec, temperature=echec, humidity=echec, network=echec
+    )

apps/backend/app/services/site.py

@@ -0,0 +1,82 @@
+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):
+    pass
+
+
+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, readings: ReadingRepository) -> None:
+        self._sites = sites
+        self._readings = readings
+
+    async def list_all(self) -> Sequence[Site]:
+        return await self._sites.list_all()
+
+    async def get_by_id(self, site_id: str) -> Site:
+        site = await self._sites.get_by_id(site_id)
+        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

@@ -0,0 +1,74 @@
+from dataclasses import dataclass
+from datetime import UTC, datetime
+
+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 QUALITES_CONNUES, DataQuality, qualite_ou_critique
+
+
+@dataclass(frozen=True, slots=True)
+class SiteConsumption:
+    site_id: str
+    site_name: str
+    current_consumption_kw: float | None
+    capacity_kw: float
+    load_percent: float | None
+    data_quality: DataQuality
+
+
+@dataclass(frozen=True, slots=True)
+class ConsumptionSummary:
+    timestamp: datetime
+    total_sites: int
+    total_consumption_kw: float
+    total_capacity_kw: float
+    average_load_percent: float
+    sites: list[SiteConsumption]
+
+
+class StatsService:
+    def __init__(self, sites: SiteRepository, readings: ReadingRepository) -> None:
+        self._sites = sites
+        self._readings = readings
+
+    async def summary(self) -> ConsumptionSummary:
+        sites = await self._sites.list_all()
+        dernieres = {lecture.site_id: lecture for lecture in await self._readings.latest_by_site()}
+
+        resumes = [self._resume_site(site, dernieres.get(site.site_id)) for site in sites]
+        consommation_totale = sum(r.current_consumption_kw or 0 for r in resumes)
+        capacite_totale = sum(r.capacity_kw for r in resumes)
+
+        return ConsumptionSummary(
+            timestamp=datetime.now(UTC),
+            total_sites=len(resumes),
+            total_consumption_kw=consommation_totale,
+            total_capacity_kw=capacite_totale,
+            average_load_percent=(
+                consommation_totale / capacite_totale * 100 if capacite_totale > 0 else 0
+            ),
+            sites=resumes,
+        )
+
+    @staticmethod
+    def _resume_site(site: Site, derniere: Reading | None) -> SiteConsumption:
+        capacite = site.capacity_kw or 0
+        qualite: DataQuality = "critical"
+        consommation = None
+        if derniere is not None and derniere.data_quality in QUALITES_CONNUES:
+            qualite = qualite_ou_critique(derniere.data_quality)
+            consommation = derniere.consumption_kw
+
+        charge = (
+            consommation / capacite * 100 if consommation is not None and capacite > 0 else None
+        )
+
+        return SiteConsumption(
+            site_id=site.site_id,
+            site_name=site.site_name,
+            current_consumption_kw=consommation,
+            capacity_kw=capacite,
+            load_percent=charge,
+            data_quality=qualite,
+        )

apps/backend/pyproject.toml

@@ -16,6 +16,8 @@ dependencies = [
     "pyjwt>=2.10",
     "argon2-cffi>=23.1",
     "anyio>=4.0",
+    "aiosmtplib>=5.1.3",
+    "pandas>=3.0.5",
 ]
 
 [dependency-groups]
@@ -26,6 +28,7 @@ dev = [
     "pytest-asyncio>=1.4.0",
     "pytest-cov>=7.1.0",
     "httpx>=0.28.1",
+    "pandas-stubs>=3.0.5.260914",
 ]
 
 [build-system]

apps/backend/tests/api/test_alerts.py

@@ -0,0 +1,137 @@
+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_alert_service, get_current_principal
+from app.core.principal import Principal
+from app.core.roles import AccountKind, Role
+from app.models.energy import Alert
+from app.schemas.alert import AlertSeverity
+
+
+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 alert(alert_id: int = 1, site_id: str = "site-1", severity: str = "high") -> Alert:
+    return Alert(
+        alert_id=alert_id,
+        source_alert_id=f"ALR-{alert_id}",
+        site_id=site_id,
+        source="enervision",
+        timestamp=datetime(2026, 9, 16, tzinfo=UTC),
+        type="threshold",
+        severity=severity,
+        message="Dépassement du seuil configuré",
+        value=812.5,
+        threshold=720.0,
+        metric="consumption_kw",
+        prediction_id=None,
+        raw_data={},
+    )
+
+
+class FauxService:
+    def __init__(self) -> None:
+        self.alert = alert()
+        self.appels: list[tuple[str | None, str | None]] = []
+
+    async def list_all(
+        self, *, site_id: str | None = None, severity: str | None = None
+    ) -> list[Alert]:
+        self.appels.append((site_id, severity))
+        return [self.alert]
+
+
+@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() -> FauxService:
+        service = FauxService()
+        app.dependency_overrides[get_alert_service] = lambda: service
+        return service
+
+    yield installe
+    app.dependency_overrides.pop(get_alert_service, None)
+
+
+async def test_list_alerts_returns_the_alerts(
+    servi: Callable[[], FauxService], client: AsyncClient
+) -> None:
+    servi()
+
+    response = await client.get("/api/v1/alerts")
+
+    assert response.status_code == 200
+    corps = response.json()
+    assert corps == [
+        {
+            "alert_id": 1,
+            "site_id": "site-1",
+            "timestamp": "2026-09-16T00:00:00Z",
+            "type": "threshold",
+            "severity": "high",
+            "message": "Dépassement du seuil configuré",
+            "value": 812.5,
+            "threshold": 720.0,
+            "metric": "consumption_kw",
+            "prediction_id": None,
+        }
+    ]
+
+
+async def test_list_alerts_transmits_the_site_id_filter(
+    servi: Callable[[], FauxService], client: AsyncClient
+) -> None:
+    service = servi()
+
+    await client.get("/api/v1/alerts?site_id=site-1")
+
+    assert service.appels == [("site-1", None)]
+
+
+async def test_list_alerts_transmits_the_severity_filter(
+    servi: Callable[[], FauxService], client: AsyncClient
+) -> None:
+    service = servi()
+
+    await client.get("/api/v1/alerts?severity=critical")
+
+    assert service.appels == [(None, AlertSeverity.CRITICAL)]
+
+
+async def test_list_alerts_returns_422_for_an_unknown_severity(
+    servi: Callable[[], FauxService], client: AsyncClient
+) -> None:
+    servi()
+
+    response = await client.get("/api/v1/alerts?severity=invalide")
+
+    assert response.status_code == 422
+
+
+async def test_list_alerts_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/alerts")
+
+    assert response.status_code == 200
+    assert response.json() == []

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_openapi.py

@@ -0,0 +1,126 @@
+# Pourquoi : `openapi.json` est versionné, donc une route qui change son contrat public le montre
+# dans la diff d'une pull request. `test_the_committed_contract_matches_the_generated_one` est ce
+# qui empêche le fichier de dériver du code sans que personne ne le voie.
+
+import json
+from typing import Any
+
+import pytest
+
+from app import cli
+
+METHODES = {"get", "post", "patch", "put", "delete"}
+
+# `/auth/logout` lit le cookie mais ne le réclame pas : sans session elle répond 204, et un 401
+# documenté y serait faux.
+SANS_REFUS = {("POST", "/api/v1/auth/logout")}
+
+ORIGINE_VERIFIEE = {
+    ("POST", "/api/v1/auth/refresh"),
+    ("POST", "/api/v1/auth/logout"),
+    ("POST", "/api/v1/auth/logout-all"),
+    ("POST", "/api/v1/auth/password"),
+}
+
+# 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/sites/{site_id}/current"),
+    ("GET", "/api/v1/alerts"),
+    ("GET", "/api/v1/recommendations"),
+    ("GET", "/api/v1/recommendations/{recommendation_id}"),
+    ("GET", "/api/v1/stats/summary"),
+    ("GET", "/api/v1/readings"),
+    ("GET", "/api/v1/sensors/status"),
+}
+
+
+@pytest.fixture(scope="module")
+def schema() -> dict[str, Any]:
+    return cli.schema_du_contrat()
+
+
+def operations(schema: dict[str, Any]) -> list[tuple[str, str, dict[str, Any]]]:
+    return [
+        (methode.upper(), chemin, operation)
+        for chemin, operations_du_chemin in schema["paths"].items()
+        for methode, operation in operations_du_chemin.items()
+        if methode in METHODES
+    ]
+
+
+def test_the_committed_contract_matches_the_generated_one(schema: dict[str, Any]) -> None:
+    publie = json.loads(cli.CHEMIN_CONTRAT.read_text(encoding="utf-8"))
+
+    assert publie == schema, "lancer `make openapi` et versionner le fichier obtenu"
+
+
+def test_every_route_demanding_an_identity_says_how_it_refuses(schema: dict[str, Any]) -> None:
+    muettes = [
+        (methode, chemin)
+        for methode, chemin, operation in operations(schema)
+        if operation.get("security")
+        and (methode, chemin) not in SANS_REFUS
+        and "401" not in operation["responses"]
+    ]
+
+    assert muettes == []
+
+
+def test_every_role_guarded_route_documents_the_role_refusal(schema: dict[str, Any]) -> None:
+    sans_403 = [
+        (methode, chemin)
+        for methode, chemin, operation in operations(schema)
+        if (methode, chemin) in ROUTES_A_ROLE and "403" not in operation["responses"]
+    ]
+
+    assert sans_403 == []
+
+
+def test_every_origin_checked_route_documents_the_csrf_refusal(schema: dict[str, Any]) -> None:
+    sans_403 = [
+        (methode, chemin)
+        for methode, chemin, operation in operations(schema)
+        if (methode, chemin) in ORIGINE_VERIFIEE and "403" not in operation["responses"]
+    ]
+
+    assert sans_403 == []
+
+
+def test_the_validation_model_matches_what_the_handler_returns(schema: dict[str, Any]) -> None:
+    modeles = {
+        operation["responses"]["422"]["content"]["application/json"]["schema"]["$ref"]
+        for _, _, operation in operations(schema)
+        if "422" in operation["responses"]
+    }
+
+    assert modeles == {"#/components/schemas/ValidationErrorResponse"}
+    assert "HTTPValidationError" not in schema["components"]["schemas"]
+
+
+def test_the_rate_limit_documents_the_delay_header(schema: dict[str, Any]) -> None:
+    trop_de_tentatives = schema["paths"]["/api/v1/auth/login"]["post"]["responses"]["429"]
+
+    assert "Retry-After" in trop_de_tentatives["headers"]
+
+
+def test_the_refresh_cookie_appears_in_the_security_schemes(schema: dict[str, Any]) -> None:
+    schemes = schema["components"]["securitySchemes"]
+
+    assert schemes["Cookie de rafraîchissement"]["in"] == "cookie"
+    assert schemes["Cookie de rafraîchissement"]["name"] == "ev_refresh"
+
+
+def test_each_tag_used_by_a_route_is_described(schema: dict[str, Any]) -> None:
+    decrits = {tag["name"] for tag in schema["tags"]}
+
+    for methode, chemin, operation in operations(schema):
+        poses = operation.get("tags", [])
+        assert len(poses) == len(set(poses)), f"tag en double sur {methode} {chemin}"
+        assert set(poses) <= decrits, f"tag non décrit sur {methode} {chemin}"

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_recommendations.py

@@ -0,0 +1,144 @@
+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_recommendation_service
+from app.core.principal import Principal
+from app.core.roles import AccountKind, Role
+from app.models.energy import Recommendation
+from app.services.recommendation import RecommendationNotFoundError
+
+MOMENT = datetime(2024, 1, 1, tzinfo=UTC)
+
+
+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 recommendation(recommendation_id: int = 1) -> Recommendation:
+    return Recommendation(
+        recommendation_id=recommendation_id,
+        alert_id=1,
+        action="Vérifier la consommation",
+        explanation="Pic détecté",
+        rule_reference="spike-v1",
+        created_at=MOMENT,
+    )
+
+
+class FauxService:
+    def __init__(self, erreur: Exception | None = None) -> None:
+        self._erreur = erreur
+        self.recommendation = recommendation()
+
+    async def list_all(self) -> list[Recommendation]:
+        return [self.recommendation]
+
+    async def get_by_id(self, recommendation_id: int) -> Recommendation:
+        if self._erreur is not None:
+            raise self._erreur
+        return self.recommendation
+
+
+@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[[Exception | None], FauxService]]:
+    def installe(erreur: Exception | None = None) -> FauxService:
+        service = FauxService(erreur)
+        app.dependency_overrides[get_recommendation_service] = lambda: service
+        return service
+
+    yield installe
+    app.dependency_overrides.pop(get_recommendation_service, None)
+
+
+async def test_list_recommendations_returns_the_recommendations(
+    servi: Callable[..., FauxService], client: AsyncClient
+) -> None:
+    servi()
+
+    response = await client.get("/api/v1/recommendations")
+
+    assert response.status_code == 200
+    corps = response.json()
+    assert corps == [
+        {
+            "recommendation_id": 1,
+            "alert_id": 1,
+            "action": "Vérifier la consommation",
+            "explanation": "Pic détecté",
+            "rule_reference": "spike-v1",
+            "created_at": "2024-01-01T00:00:00Z",
+        }
+    ]
+
+
+async def test_get_recommendation_returns_the_matching_recommendation(
+    servi: Callable[..., FauxService], client: AsyncClient
+) -> None:
+    servi()
+
+    response = await client.get("/api/v1/recommendations/1")
+
+    assert response.status_code == 200
+    assert response.json()["recommendation_id"] == 1
+
+
+async def test_get_recommendation_returns_404_for_an_unknown_recommendation(
+    servi: Callable[..., FauxService], client: AsyncClient
+) -> None:
+    servi(RecommendationNotFoundError(404))
+
+    response = await client.get("/api/v1/recommendations/404")
+
+    assert response.status_code == 404
+
+
+async def test_list_recommendations_reaches_the_repository_through_the_session(
+    lecteur_connecte: None, fake_session: Callable[..., None], client: AsyncClient
+) -> None:
+    fake_session(result=[recommendation(1), recommendation(2)])
+
+    response = await client.get("/api/v1/recommendations")
+
+    assert response.status_code == 200
+    assert [r["recommendation_id"] for r in response.json()] == [1, 2]
+
+
+async def test_get_recommendation_reaches_the_repository_through_the_session(
+    lecteur_connecte: None, fake_session: Callable[..., None], client: AsyncClient
+) -> None:
+    fake_session(result=recommendation(1))
+
+    response = await client.get("/api/v1/recommendations/1")
+
+    assert response.status_code == 200
+    assert response.json()["recommendation_id"] == 1
+
+
+async def test_get_recommendation_returns_404_when_the_session_finds_nothing(
+    lecteur_connecte: None, fake_session: Callable[..., None], client: AsyncClient
+) -> None:
+    fake_session(result=None)
+
+    response = await client.get("/api/v1/recommendations/404")
+
+    assert response.status_code == 404

apps/backend/tests/api/test_route_protection.py

@@ -18,6 +18,13 @@ ROUTES_PUBLIQUES = frozenset(
         ("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"),
     }
 )
@@ -74,3 +81,18 @@ 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_sensors.py

@@ -0,0 +1,91 @@
+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_sensor_service
+from app.core.principal import Principal
+from app.core.roles import AccountKind, Role
+from app.services.sensor import DiagnosticCapteur, EtatCapteurs, SanteCapteurs, SanteSite
+
+TIMESTAMP = datetime(2026, 9, 16, 12, 0, tzinfo=UTC)
+
+
+def principal(role: Role = Role.ADMIN) -> Principal:
+    return Principal(
+        id=uuid4(),
+        email=f"{role.value}@enervision.fr",
+        role=role,
+        kind=AccountKind.HUMAIN,
+        must_change_password=False,
+    )
+
+
+class FauxService:
+    def __init__(self) -> None:
+        ok = DiagnosticCapteur(status="ok", since=None)
+        en_echec = DiagnosticCapteur(status="failing", since=TIMESTAMP)
+        self.etat = EtatCapteurs(
+            timestamp=TIMESTAMP,
+            sites=[
+                SanteSite(
+                    site_id="SITE001",
+                    site_name="Bureau Paris La Défense",
+                    sensors=SanteCapteurs(
+                        consumption=ok,
+                        electrical=ok,
+                        temperature=en_echec,
+                        humidity=ok,
+                        network=ok,
+                    ),
+                    overall="degraded",
+                )
+            ],
+        )
+
+    async def status(self) -> EtatCapteurs:
+        return self.etat
+
+
+@pytest.fixture
+def admin_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, admin_connecte: None) -> Iterator[Callable[[], FauxService]]:
+    def installe() -> FauxService:
+        service = FauxService()
+        app.dependency_overrides[get_sensor_service] = lambda: service
+        return service
+
+    yield installe
+    app.dependency_overrides.pop(get_sensor_service, None)
+
+
+async def test_get_status_returns_the_service_result(
+    servi: Callable[[], FauxService], client: AsyncClient
+) -> None:
+    servi()
+
+    response = await client.get("/api/v1/sensors/status")
+
+    assert response.status_code == 200
+    corps = response.json()
+    assert corps["sites"][0]["site_id"] == "SITE001"
+    assert corps["sites"][0]["overall"] == "degraded"
+    assert corps["sites"][0]["sensors"]["temperature"]["status"] == "failing"
+    assert corps["sites"][0]["sensors"]["consumption"]["status"] == "ok"
+
+
+async def test_get_status_refuses_a_reader(app: FastAPI, client: AsyncClient) -> None:
+    app.dependency_overrides[get_current_principal] = lambda: principal(Role.LECTEUR)
+
+    response = await client.get("/api/v1/sensors/status")
+
+    assert response.status_code == 403

apps/backend/tests/api/test_sites.py

@@ -0,0 +1,191 @@
+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_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 SiteCurrentReading, SiteNotFoundError
+
+TIMESTAMP = datetime(2026, 9, 16, 12, 0, tzinfo=UTC)
+
+
+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 site(site_id: str = "site-1") -> Site:
+    return Site(
+        site_id=site_id,
+        site_name="Site de test",
+        site_type="industriel",
+        location="Toulouse",
+        capacity_kw=42.0,
+        status="actif",
+    )
+
+
+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]
+
+    async def get_by_id(self, site_id: str) -> Site:
+        if self._erreur is not None:
+            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]:
+    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[[Exception | None], FauxService]]:
+    def installe(erreur: Exception | None = None) -> FauxService:
+        service = FauxService(erreur)
+        app.dependency_overrides[get_site_service] = lambda: service
+        return service
+
+    yield installe
+    app.dependency_overrides.pop(get_site_service, None)
+
+
+async def test_list_sites_returns_the_sites(
+    servi: Callable[..., FauxService], client: AsyncClient
+) -> None:
+    servi()
+
+    response = await client.get("/api/v1/sites")
+
+    assert response.status_code == 200
+    corps = response.json()
+    assert corps == [
+        {
+            "site_id": "site-1",
+            "site_name": "Site de test",
+            "site_type": "industriel",
+            "location": "Toulouse",
+            "capacity_kw": 42.0,
+            "status": "actif",
+        }
+    ]
+
+
+async def test_get_site_returns_the_matching_site(
+    servi: Callable[..., FauxService], client: AsyncClient
+) -> None:
+    servi()
+
+    response = await client.get("/api/v1/sites/site-1")
+
+    assert response.status_code == 200
+    assert response.json()["site_id"] == "site-1"
+
+
+async def test_get_site_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")
+
+    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:
+    fake_session(result=[site("a"), site("b")])
+
+    response = await client.get("/api/v1/sites")
+
+    assert response.status_code == 200
+    assert [s["site_id"] for s in response.json()] == ["a", "b"]
+
+
+async def test_get_site_reaches_the_repository_through_the_session(
+    lecteur_connecte: None, fake_session: Callable[..., None], client: AsyncClient
+) -> None:
+    fake_session(result=site("a"))
+
+    response = await client.get("/api/v1/sites/a")
+
+    assert response.status_code == 200
+    assert response.json()["site_id"] == "a"
+
+
+async def test_get_site_returns_404_when_the_session_finds_nothing(
+    lecteur_connecte: None, fake_session: Callable[..., None], client: AsyncClient
+) -> None:
+    fake_session(result=None)
+
+    response = await client.get("/api/v1/sites/inconnu")
+
+    assert response.status_code == 404

apps/backend/tests/api/test_stats.py

@@ -0,0 +1,73 @@
+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_stats_service
+from app.core.principal import Principal
+from app.core.roles import AccountKind, Role
+from app.services.stats import ConsumptionSummary, SiteConsumption
+
+
+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,
+    )
+
+
+class FauxService:
+    def __init__(self) -> None:
+        self.resume = ConsumptionSummary(
+            timestamp=datetime.now(UTC),
+            total_sites=1,
+            total_consumption_kw=87.34,
+            total_capacity_kw=200,
+            average_load_percent=43.7,
+            sites=[
+                SiteConsumption(
+                    site_id="SITE001",
+                    site_name="Bureau Paris La Défense",
+                    current_consumption_kw=87.34,
+                    capacity_kw=200,
+                    load_percent=43.7,
+                    data_quality="good",
+                )
+            ],
+        )
+
+    async def summary(self) -> ConsumptionSummary:
+        return self.resume
+
+
+@pytest.fixture
+def servi(app: FastAPI) -> Iterator[Callable[[], FauxService]]:
+    def installe() -> FauxService:
+        service = FauxService()
+        app.dependency_overrides[get_stats_service] = lambda: service
+        app.dependency_overrides[get_current_principal] = lambda: principal()
+        return service
+
+    yield installe
+    app.dependency_overrides.pop(get_stats_service, None)
+    app.dependency_overrides.pop(get_current_principal, None)
+
+
+async def test_get_summary_returns_the_service_result(
+    servi: Callable[[], FauxService], client: AsyncClient
+) -> None:
+    servi()
+
+    response = await client.get("/api/v1/stats/summary")
+
+    assert response.status_code == 200
+    corps = response.json()
+    assert corps["total_sites"] == 1
+    assert corps["sites"][0]["site_id"] == "SITE001"
+    assert corps["sites"][0]["data_quality"] == "good"

apps/backend/tests/etl/test_historical_import.py

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

apps/backend/tests/factories.py

@@ -1,3 +1,4 @@
+from collections.abc import Sequence
 from typing import Any
 
 from app.core.config import Settings
@@ -12,6 +13,16 @@ SETTINGS_DE_TEST: dict[str, Any] = {
 }
 
 
+class FakeScalars:
+    """Resultat factice pour `.scalars()` : `.all()` renvoie les lignes fournies."""
+
+    def __init__(self, rows: Sequence[object]) -> None:
+        self._rows = rows
+
+    def all(self) -> Sequence[object]:
+        return self._rows
+
+
 class FakeSession:
     """Session factice : renvoie `result`, ou leve `failure` si elle est fournie."""
 
@@ -25,6 +36,9 @@ class FakeSession:
     async def execute(self, *_: object, **__: object) -> object:
         return self._repondre()
 
+    async def scalars(self, *_: object, **__: object) -> FakeScalars:
+        return FakeScalars(self._repondre() or [])
+
     def _repondre(self) -> object:
         if self._failure is not None:
             raise self._failure

apps/backend/tests/repositories/test_alert.py

@@ -0,0 +1,91 @@
+import uuid
+from datetime import UTC, datetime
+
+import pytest
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.models.energy import Alert
+from app.repositories.alert import AlertRepository
+from app.schemas.alert import AlertSeverity
+from tests.repositories.test_site import creer as creer_site
+from tests.repositories.test_site import identifiant as identifiant_site
+
+pytestmark = pytest.mark.integration
+
+
+async def creer_alerte(session: AsyncSession, *, site_id: str, **overrides: object) -> Alert:
+    alerte = Alert(
+        source_alert_id=overrides.get("source_alert_id", f"ALR-{uuid.uuid4().hex[:12]}"),
+        site_id=site_id,
+        source=overrides.get("source", "enervision"),
+        timestamp=overrides.get("timestamp", datetime(2026, 9, 16, tzinfo=UTC)),
+        type=overrides.get("type", "threshold"),
+        severity=overrides.get("severity", "high"),
+        message=overrides.get("message", "Dépassement du seuil configuré"),
+        value=overrides.get("value", 812.5),
+        threshold=overrides.get("threshold", 720.0),
+        metric=overrides.get("metric", "consumption_kw"),
+        prediction_id=overrides.get("prediction_id"),
+        raw_data=overrides.get("raw_data", {}),
+    )
+    session.add(alerte)
+    await session.flush()
+    return alerte
+
+
+async def test_list_all_returns_the_alerts_sorted_by_timestamp_descending(
+    session: AsyncSession,
+) -> None:
+    site = await creer_site(session)
+    depot = AlertRepository(session)
+    ancienne = await creer_alerte(
+        session, site_id=site.site_id, timestamp=datetime(2026, 9, 1, tzinfo=UTC)
+    )
+    recente = await creer_alerte(
+        session, site_id=site.site_id, timestamp=datetime(2026, 9, 15, tzinfo=UTC)
+    )
+
+    alertes = await depot.list_all()
+    identifiants = [
+        a.alert_id for a in alertes if a.alert_id in (ancienne.alert_id, recente.alert_id)
+    ]
+    await session.rollback()
+
+    assert identifiants == [recente.alert_id, ancienne.alert_id]
+
+
+async def test_list_all_filters_by_site_id(session: AsyncSession) -> None:
+    premier = await creer_site(session)
+    second = await creer_site(session)
+    depot = AlertRepository(session)
+    voulue = await creer_alerte(session, site_id=premier.site_id)
+    await creer_alerte(session, site_id=second.site_id)
+
+    alertes = await depot.list_all(site_id=premier.site_id)
+    identifiants = [a.alert_id for a in alertes]
+    await session.rollback()
+
+    assert identifiants == [voulue.alert_id]
+
+
+async def test_list_all_filters_by_severity(session: AsyncSession) -> None:
+    site = await creer_site(session)
+    depot = AlertRepository(session)
+    voulue = await creer_alerte(session, site_id=site.site_id, severity="critical")
+    await creer_alerte(session, site_id=site.site_id, severity="low")
+
+    alertes = await depot.list_all(severity=AlertSeverity.CRITICAL)
+    identifiants = [a.alert_id for a in alertes]
+    await session.rollback()
+
+    assert identifiants == [voulue.alert_id]
+
+
+async def test_list_all_returns_an_empty_list_when_there_is_nothing(
+    session: AsyncSession,
+) -> None:
+    depot = AlertRepository(session)
+
+    alertes = await depot.list_all(site_id=identifiant_site())
+
+    assert list(alertes) == []

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

@@ -0,0 +1,262 @@
+import uuid
+from datetime import UTC, datetime, timedelta
+
+import pytest
+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
+
+
+def identifiant() -> str:
+    return f"SITE-{uuid.uuid4().hex[:8]}"
+
+
+def lecture(site_id: str, *, timestamp: datetime, consumption_kw: float) -> Reading:
+    return Reading(
+        site_id=site_id,
+        timestamp=timestamp,
+        source="api_current",
+        consumption_kw=consumption_kw,
+        data_quality="good",
+        raw_data={},
+    )
+
+
+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)
+    session.add(Site(site_id=site_id, site_name="Site", site_type="bureau", capacity_kw=100))
+    await session.flush()
+    session.add_all(
+        [
+            lecture(site_id, timestamp=maintenant - timedelta(hours=1), consumption_kw=10),
+            lecture(site_id, timestamp=maintenant, consumption_kw=42),
+        ]
+    )
+    await session.flush()
+    depot = ReadingRepository(session)
+
+    resultats = await depot.latest_by_site()
+    consommations = [r.consumption_kw for r in resultats if r.site_id == site_id]
+    await session.rollback()
+
+    assert consommations == [42]
+
+
+async def test_latest_by_site_returns_one_row_per_site(session: AsyncSession) -> None:
+    premier, second = identifiant(), identifiant()
+    maintenant = datetime.now(UTC)
+    session.add_all(
+        [
+            Site(site_id=premier, site_name="A", site_type="bureau", capacity_kw=100),
+            Site(site_id=second, site_name="B", site_type="bureau", capacity_kw=200),
+        ]
+    )
+    await session.flush()
+    session.add_all(
+        [
+            lecture(premier, timestamp=maintenant, consumption_kw=10),
+            lecture(second, timestamp=maintenant, consumption_kw=20),
+        ]
+    )
+    await session.flush()
+    depot = ReadingRepository(session)
+
+    resultats = await depot.latest_by_site()
+    identifiants = {r.site_id for r in resultats if r.site_id in (premier, second)}
+    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/repositories/test_recommendation.py

@@ -0,0 +1,85 @@
+import uuid
+from datetime import UTC, datetime
+
+import pytest
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.models.energy import Alert, Recommendation, Site
+from app.repositories.recommendation import RecommendationRepository
+
+pytestmark = pytest.mark.integration
+
+MOMENT = datetime(2024, 1, 1, tzinfo=UTC)
+
+
+async def creer_site(session: AsyncSession) -> str:
+    site_id = f"TEST-{uuid.uuid4()}"
+    session.add(Site(site_id=site_id, site_name="Site de test", site_type="office"))
+    await session.flush()
+    return site_id
+
+
+async def creer_alerte(session: AsyncSession) -> int:
+    site_id = await creer_site(session)
+    alerte = Alert(
+        source_alert_id=str(uuid.uuid4()),
+        site_id=site_id,
+        source="api_mock",
+        timestamp=MOMENT,
+        type="spike",
+        severity="high",
+        message="Test",
+        raw_data={},
+    )
+    session.add(alerte)
+    await session.flush()
+    return alerte.alert_id
+
+
+async def creer(session: AsyncSession, **overrides: object) -> Recommendation:
+    recommendation = Recommendation(
+        alert_id=overrides.get("alert_id") or await creer_alerte(session),
+        action=overrides.get("action", "Vérifier la consommation"),
+        explanation=overrides.get("explanation", "Pic détecté"),
+        rule_reference=overrides.get("rule_reference", f"spike-{uuid.uuid4().hex[:8]}"),
+    )
+    session.add(recommendation)
+    await session.flush()
+    return recommendation
+
+
+async def test_get_by_id_returns_the_matching_recommendation(session: AsyncSession) -> None:
+    depot = RecommendationRepository(session)
+    cree = await creer(session)
+
+    trouve = await depot.get_by_id(cree.recommendation_id)
+    action = trouve.action if trouve else None
+    await session.rollback()
+
+    assert action == "Vérifier la consommation"
+
+
+async def test_get_by_id_returns_nothing_for_an_unknown_identifier(
+    session: AsyncSession,
+) -> None:
+    trouve = await RecommendationRepository(session).get_by_id(0)
+
+    assert trouve is None
+
+
+async def test_list_all_returns_the_recommendations_sorted_by_identifier(
+    session: AsyncSession,
+) -> None:
+    depot = RecommendationRepository(session)
+    premiere = await creer(session)
+    seconde = await creer(session)
+
+    recommendations = await depot.list_all()
+    identifiants = [
+        r.recommendation_id
+        for r in recommendations
+        if r.recommendation_id in (premiere.recommendation_id, seconde.recommendation_id)
+    ]
+    await session.rollback()
+
+    assert identifiants == sorted(identifiants)

apps/backend/tests/repositories/test_site.py

@@ -0,0 +1,59 @@
+import uuid
+
+import pytest
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.models.energy import Site
+from app.repositories.site import SiteRepository
+
+pytestmark = pytest.mark.integration
+
+
+def identifiant() -> str:
+    return f"site-{uuid.uuid4().hex[:12]}"
+
+
+async def creer(session: AsyncSession, **overrides: object) -> Site:
+    site = Site(
+        site_id=overrides.get("site_id", identifiant()),
+        site_name=overrides.get("site_name", "Site de test"),
+        site_type=overrides.get("site_type", "industriel"),
+        location=overrides.get("location", "Toulouse"),
+        capacity_kw=overrides.get("capacity_kw", 42.0),
+        status=overrides.get("status", "actif"),
+    )
+    session.add(site)
+    await session.flush()
+    return site
+
+
+async def test_get_by_id_returns_the_matching_site(session: AsyncSession) -> None:
+    depot = SiteRepository(session)
+    cree = await creer(session)
+
+    trouve = await depot.get_by_id(cree.site_id)
+    nom = trouve.site_name if trouve else None
+    await session.rollback()
+
+    assert nom == "Site de test"
+
+
+async def test_get_by_id_returns_nothing_for_an_unknown_identifier(
+    session: AsyncSession,
+) -> None:
+    trouve = await SiteRepository(session).get_by_id(identifiant())
+
+    assert trouve is None
+
+
+async def test_list_all_returns_the_sites_sorted_by_identifier(session: AsyncSession) -> None:
+    depot = SiteRepository(session)
+    premier, second = sorted([f"zz-{identifiant()}", f"aa-{identifiant()}"])
+    await creer(session, site_id=second)
+    await creer(session, site_id=premier)
+
+    sites = await depot.list_all()
+    identifiants = [site.site_id for site in sites if site.site_id in (premier, second)]
+    await session.rollback()
+
+    assert identifiants == [premier, second]

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_alert.py

@@ -0,0 +1,55 @@
+from datetime import UTC, datetime
+
+from app.models.energy import Alert
+from app.services.alert import AlertService
+
+
+def alert(
+    alert_id: int = 1,
+    site_id: str = "site-1",
+    severity: str = "high",
+) -> Alert:
+    return Alert(
+        alert_id=alert_id,
+        source_alert_id=f"ALR-{alert_id}",
+        site_id=site_id,
+        source="enervision",
+        timestamp=datetime(2026, 9, 16, tzinfo=UTC),
+        type="threshold",
+        severity=severity,
+        message="Dépassement du seuil configuré",
+        value=812.5,
+        threshold=720.0,
+        metric="consumption_kw",
+        prediction_id=None,
+        raw_data={},
+    )
+
+
+class FakeRepository:
+    def __init__(self, alerts: list[Alert]) -> None:
+        self._alerts = alerts
+        self.appels: list[tuple[str | None, str | None]] = []
+
+    async def list_all(
+        self, *, site_id: str | None = None, severity: str | None = None
+    ) -> list[Alert]:
+        self.appels.append((site_id, severity))
+        return self._alerts
+
+
+async def test_list_all_returns_the_repository_alerts() -> None:
+    service = AlertService(alerts=FakeRepository([alert(1), alert(2)]))
+
+    alertes = await service.list_all()
+
+    assert [a.alert_id for a in alertes] == [1, 2]
+
+
+async def test_list_all_relays_the_filters_to_the_repository() -> None:
+    depot = FakeRepository([])
+    service = AlertService(alerts=depot)
+
+    await service.list_all(site_id="site-1", severity="critical")
+
+    assert depot.appels == [("site-1", "critical")]

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_recommendation.py

@@ -0,0 +1,55 @@
+from datetime import UTC, datetime
+
+import pytest
+
+from app.models.energy import Recommendation
+from app.services.recommendation import RecommendationNotFoundError, RecommendationService
+
+
+def recommendation(recommendation_id: int = 1) -> Recommendation:
+    return Recommendation(
+        recommendation_id=recommendation_id,
+        alert_id=1,
+        action="Vérifier la consommation",
+        explanation="Pic détecté",
+        rule_reference="spike-v1",
+        created_at=datetime(2024, 1, 1, tzinfo=UTC),
+    )
+
+
+class FakeRepository:
+    def __init__(self, recommendations: list[Recommendation]) -> None:
+        self._recommendations = recommendations
+
+    async def list_all(self) -> list[Recommendation]:
+        return self._recommendations
+
+    async def get_by_id(self, recommendation_id: int) -> Recommendation | None:
+        return next(
+            (r for r in self._recommendations if r.recommendation_id == recommendation_id), None
+        )
+
+
+async def test_list_all_returns_the_repository_recommendations() -> None:
+    service = RecommendationService(
+        recommendations=FakeRepository([recommendation(1), recommendation(2)])
+    )
+
+    recommendations = await service.list_all()
+
+    assert [r.recommendation_id for r in recommendations] == [1, 2]
+
+
+async def test_get_by_id_returns_the_matching_recommendation() -> None:
+    service = RecommendationService(recommendations=FakeRepository([recommendation(1)]))
+
+    trouve = await service.get_by_id(1)
+
+    assert trouve.recommendation_id == 1
+
+
+async def test_get_by_id_raises_when_the_recommendation_is_unknown() -> None:
+    service = RecommendationService(recommendations=FakeRepository([]))
+
+    with pytest.raises(RecommendationNotFoundError):
+        await service.get_by_id(404)

apps/backend/tests/services/test_sensor.py

@@ -0,0 +1,224 @@
+from dataclasses import dataclass, field
+from datetime import UTC, datetime
+
+from app.services.sensor import SensorService
+
+TIMESTAMP = datetime(2026, 9, 16, 12, 0, tzinfo=UTC)
+
+
+@dataclass
+class FauxSite:
+    site_id: str
+    site_name: str
+
+
+@dataclass
+class FauxLecture:
+    site_id: str
+    timestamp: datetime
+    data_quality: str | None
+    null_reasons: list[str] | None = field(default_factory=list)
+    consumption_kw: float | None = 10.0
+    voltage_v: float | None = 230.0
+    current_a: float | None = 5.0
+    power_factor: float | None = 0.95
+    temperature_celsius: float | None = 21.0
+    humidity_percent: float | None = 40.0
+
+
+class FauxDepotSites:
+    def __init__(self, sites: list[FauxSite]) -> None:
+        self._sites = sites
+
+    async def list_all(self) -> list[FauxSite]:
+        return self._sites
+
+
+class FauxDepotLectures:
+    def __init__(self, lectures: list[FauxLecture]) -> None:
+        self._lectures = lectures
+
+    async def latest_by_site(self) -> list[FauxLecture]:
+        return self._lectures
+
+
+async def test_status_marks_a_site_without_any_reading_as_critical_with_every_sensor_failing() -> (
+    None
+):
+    service = SensorService(
+        sites=FauxDepotSites([FauxSite("A", "Site A")]),  # type: ignore[arg-type]
+        readings=FauxDepotLectures([]),  # type: ignore[arg-type]
+    )
+
+    etat = await service.status()
+
+    site = etat.sites[0]
+    assert site.overall == "critical"
+    for capteur in (
+        site.sensors.consumption,
+        site.sensors.electrical,
+        site.sensors.temperature,
+        site.sensors.humidity,
+        site.sensors.network,
+    ):
+        assert capteur.status == "failing"
+        assert capteur.since is None
+
+
+async def test_status_marks_every_sensor_ok_on_a_good_quality_reading_with_no_null_field() -> None:
+    service = SensorService(
+        sites=FauxDepotSites([FauxSite("A", "Site A")]),  # type: ignore[arg-type]
+        readings=FauxDepotLectures([FauxLecture("A", TIMESTAMP, "good")]),  # type: ignore[arg-type]
+    )
+
+    etat = await service.status()
+
+    site = etat.sites[0]
+    assert site.overall == "ok"
+    for capteur in (
+        site.sensors.consumption,
+        site.sensors.electrical,
+        site.sensors.temperature,
+        site.sensors.humidity,
+        site.sensors.network,
+    ):
+        assert capteur.status == "ok"
+        assert capteur.since is None
+
+
+async def test_status_flags_the_sensor_named_in_null_reasons() -> None:
+    service = SensorService(
+        sites=FauxDepotSites([FauxSite("A", "Site A")]),  # type: ignore[arg-type]
+        readings=FauxDepotLectures(  # type: ignore[arg-type]
+            [
+                FauxLecture(
+                    "A",
+                    TIMESTAMP,
+                    "partial",
+                    null_reasons=["temperature_sensor_failure"],
+                    temperature_celsius=None,
+                )
+            ]
+        ),
+    )
+
+    etat = await service.status()
+
+    site = etat.sites[0]
+    assert site.overall == "degraded"
+    assert site.sensors.temperature.status == "failing"
+    assert site.sensors.temperature.since == TIMESTAMP
+    assert site.sensors.consumption.status == "ok"
+    assert site.sensors.electrical.status == "ok"
+    assert site.sensors.humidity.status == "ok"
+    assert site.sensors.network.status == "ok"
+
+
+async def test_status_flags_a_sensor_from_a_null_field_even_without_a_null_reason() -> None:
+    service = SensorService(
+        sites=FauxDepotSites([FauxSite("A", "Site A")]),  # type: ignore[arg-type]
+        readings=FauxDepotLectures(  # type: ignore[arg-type]
+            [FauxLecture("A", TIMESTAMP, "partial", null_reasons=[], humidity_percent=None)]
+        ),
+    )
+
+    etat = await service.status()
+
+    site = etat.sites[0]
+    assert site.sensors.humidity.status == "failing"
+    assert site.sensors.humidity.since == TIMESTAMP
+
+
+async def test_status_flags_electrical_as_failing_when_any_of_its_three_fields_is_null() -> None:
+    service = SensorService(
+        sites=FauxDepotSites([FauxSite("A", "Site A")]),  # type: ignore[arg-type]
+        readings=FauxDepotLectures(  # type: ignore[arg-type]
+            [FauxLecture("A", TIMESTAMP, "partial", null_reasons=[], power_factor=None)]
+        ),
+    )
+
+    etat = await service.status()
+
+    site = etat.sites[0]
+    assert site.sensors.electrical.status == "failing"
+
+
+async def test_status_forces_every_sensor_to_failing_when_overall_is_critical() -> None:
+    service = SensorService(
+        sites=FauxDepotSites([FauxSite("A", "Site A")]),  # type: ignore[arg-type]
+        readings=FauxDepotLectures([FauxLecture("A", TIMESTAMP, "critical", null_reasons=[])]),  # type: ignore[arg-type]
+    )
+
+    etat = await service.status()
+
+    site = etat.sites[0]
+    assert site.overall == "critical"
+    for capteur in (
+        site.sensors.consumption,
+        site.sensors.electrical,
+        site.sensors.temperature,
+        site.sensors.humidity,
+        site.sensors.network,
+    ):
+        assert capteur.status == "failing"
+        assert capteur.since == TIMESTAMP
+
+
+async def test_status_treats_an_unknown_data_quality_as_critical() -> None:
+    service = SensorService(
+        sites=FauxDepotSites([FauxSite("A", "Site A")]),  # type: ignore[arg-type]
+        readings=FauxDepotLectures([FauxLecture("A", TIMESTAMP, None, null_reasons=[])]),  # type: ignore[arg-type]
+    )
+
+    etat = await service.status()
+
+    assert etat.sites[0].overall == "critical"
+
+
+async def test_status_ignores_an_unknown_null_reason() -> None:
+    service = SensorService(
+        sites=FauxDepotSites([FauxSite("A", "Site A")]),  # type: ignore[arg-type]
+        readings=FauxDepotLectures(  # type: ignore[arg-type]
+            [FauxLecture("A", TIMESTAMP, "good", null_reasons=["something_else"])]
+        ),
+    )
+
+    etat = await service.status()
+
+    site = etat.sites[0]
+    assert site.overall == "ok"
+    for capteur in (
+        site.sensors.consumption,
+        site.sensors.electrical,
+        site.sensors.temperature,
+        site.sensors.humidity,
+        site.sensors.network,
+    ):
+        assert capteur.status == "ok"
+
+
+async def test_status_flags_network_from_null_reasons_only() -> None:
+    service = SensorService(
+        sites=FauxDepotSites([FauxSite("A", "Site A")]),  # type: ignore[arg-type]
+        readings=FauxDepotLectures(  # type: ignore[arg-type]
+            [
+                FauxLecture(
+                    "A",
+                    TIMESTAMP,
+                    "partial",
+                    null_reasons=["network_loss"],
+                )
+            ]
+        ),
+    )
+
+    etat = await service.status()
+
+    site = etat.sites[0]
+    assert site.overall == "degraded"
+    assert site.sensors.network.status == "failing"
+    assert site.sensors.network.since == TIMESTAMP
+    assert site.sensors.consumption.status == "ok"
+    assert site.sensors.electrical.status == "ok"
+    assert site.sensors.temperature.status == "ok"
+    assert site.sensors.humidity.status == "ok"

apps/backend/tests/services/test_site.py

@@ -0,0 +1,122 @@
+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(
+        site_id=site_id,
+        site_name="Site de test",
+        site_type="industriel",
+        location="Toulouse",
+        capacity_kw=42.0,
+        status="actif",
+    )
+
+
+@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
+
+    async def list_all(self) -> list[Site]:
+        return self._sites
+
+    async def get_by_id(self, site_id: str) -> Site | None:
+        return next((s for s in self._sites if s.site_id == site_id), None)
+
+
+class FauxDepotLectures:
+    def __init__(self, lectures: dict[str, FauxLecture]) -> None:
+        self._lectures = lectures
+
+    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:
+    svc = service([site("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:
+    svc = service([])
+
+    with pytest.raises(SiteNotFoundError):
+        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/services/test_stats.py

@@ -0,0 +1,107 @@
+from dataclasses import dataclass
+
+from app.services.stats import StatsService
+
+
+@dataclass
+class FauxSite:
+    site_id: str
+    site_name: str
+    capacity_kw: float | None
+
+
+@dataclass
+class FauxLecture:
+    site_id: str
+    consumption_kw: float | None
+    data_quality: str | None
+
+
+class FauxDepotSites:
+    def __init__(self, sites: list[FauxSite]) -> None:
+        self._sites = sites
+
+    async def list_all(self) -> list[FauxSite]:
+        return self._sites
+
+
+class FauxDepotLectures:
+    def __init__(self, lectures: list[FauxLecture]) -> None:
+        self._lectures = lectures
+
+    async def latest_by_site(self) -> list[FauxLecture]:
+        return self._lectures
+
+
+async def test_summary_computes_totals_and_the_average_load() -> None:
+    service = StatsService(
+        sites=FauxDepotSites([FauxSite("A", "Site A", 200), FauxSite("B", "Site B", 800)]),  # type: ignore[arg-type]
+        readings=FauxDepotLectures(  # type: ignore[arg-type]
+            [
+                FauxLecture("A", 100, "good"),
+                FauxLecture("B", 400, "good"),
+            ]
+        ),
+    )
+
+    resume = await service.summary()
+
+    assert resume.total_sites == 2
+    assert resume.total_consumption_kw == 500
+    assert resume.total_capacity_kw == 1000
+    assert resume.average_load_percent == 50
+    par_site = {site.site_id: site for site in resume.sites}
+    assert par_site["A"].load_percent == 50
+    assert par_site["B"].load_percent == 50
+
+
+async def test_summary_treats_a_site_without_any_reading_as_critical() -> None:
+    service = StatsService(
+        sites=FauxDepotSites([FauxSite("A", "Site A", 200)]),  # type: ignore[arg-type]
+        readings=FauxDepotLectures([]),  # type: ignore[arg-type]
+    )
+
+    resume = await service.summary()
+
+    site = resume.sites[0]
+    assert site.data_quality == "critical"
+    assert site.current_consumption_kw is None
+    assert site.load_percent is None
+
+
+async def test_summary_treats_a_reading_with_an_unknown_quality_as_critical() -> None:
+    service = StatsService(
+        sites=FauxDepotSites([FauxSite("A", "Site A", 200)]),  # type: ignore[arg-type]
+        readings=FauxDepotLectures([FauxLecture("A", 50, None)]),  # type: ignore[arg-type]
+    )
+
+    resume = await service.summary()
+
+    site = resume.sites[0]
+    assert site.data_quality == "critical"
+    assert site.current_consumption_kw is None
+
+
+async def test_summary_exposes_a_missing_capacity_as_zero_without_dividing_by_it() -> None:
+    service = StatsService(
+        sites=FauxDepotSites([FauxSite("A", "Site A", None)]),  # type: ignore[arg-type]
+        readings=FauxDepotLectures([FauxLecture("A", 50, "good")]),  # type: ignore[arg-type]
+    )
+
+    resume = await service.summary()
+
+    site = resume.sites[0]
+    assert site.capacity_kw == 0
+    assert site.current_consumption_kw == 50
+    assert site.load_percent is None
+
+
+async def test_summary_returns_zero_average_load_when_no_site_has_a_capacity() -> None:
+    service = StatsService(
+        sites=FauxDepotSites([FauxSite("A", "Site A", None)]),  # type: ignore[arg-type]
+        readings=FauxDepotLectures([]),  # type: ignore[arg-type]
+    )
+
+    resume = await service.summary()
+
+    assert resume.average_load_percent == 0

apps/backend/tests/test_cli.py

@@ -1,6 +1,10 @@
+import json
+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:
@@ -31,27 +35,86 @@ 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):
         cli.read_password(generate=False)
+
+
+def test_build_parser_reads_the_export_openapi_arguments() -> None:
+    arguments = cli.build_parser().parse_args(
+        ["export-openapi", "--output", "ailleurs/contrat.json"]
+    )
+
+    assert arguments.commande == "export-openapi"
+    assert arguments.output == "ailleurs/contrat.json"
+
+
+def test_build_parser_defaults_the_export_to_the_versioned_contract() -> None:
+    arguments = cli.build_parser().parse_args(["export-openapi"])
+
+    assert arguments.output == str(cli.CHEMIN_CONTRAT)
+
+
+def test_settings_of_the_contract_ignore_the_local_environment(
+    monkeypatch: pytest.MonkeyPatch,
+) -> None:
+    monkeypatch.setenv("APP_API_PREFIX", "/api/v9")
+    monkeypatch.setenv("APP_NAME", "API du poste de Johan")
+
+    settings = cli.settings_du_contrat()
+
+    assert settings.api_prefix == "/api/v1"
+    assert settings.name == "EnerVision API"
+
+
+def test_export_openapi_writes_a_readable_schema_where_asked(tmp_path: Path) -> None:
+    destination = tmp_path / "contrat.json"
+
+    cli.export_openapi(destination)
+
+    assert json.loads(destination.read_text(encoding="utf-8"))["openapi"].startswith("3.")
+
+
+# Piège : `main()` réclamait un mot de passe avant de lire la commande. Sans le branchement,
+# l'export resterait bloqué sur `getpass` et aucune CI ne pourrait le rejouer.
+def test_main_exports_the_contract_without_asking_for_a_password(
+    tmp_path: Path, capsys: pytest.CaptureFixture[str]
+) -> None:
+    destination = tmp_path / "contrat.json"
+
+    code = cli.main(["export-openapi", "--output", str(destination)])
+
+    assert code == 0
+    assert destination.exists()
+    assert str(destination) in capsys.readouterr().out

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

@@ -1,6 +1,20 @@
 version = 1
 revision = 3
 requires-python = "==3.14.*"
+resolution-markers = [
+    "sys_platform == 'win32'",
+    "sys_platform == 'emscripten'",
+    "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"
@@ -306,11 +320,13 @@ name = "enervision-backend"
 version = "0.1.0"
 source = { editable = "." }
 dependencies = [
+    { name = "aiosmtplib" },
     { name = "alembic" },
     { name = "anyio" },
     { name = "argon2-cffi" },
     { name = "asyncpg" },
     { name = "fastapi" },
+    { name = "pandas" },
     { name = "prometheus-fastapi-instrumentator" },
     { name = "pydantic", extra = ["email"] },
     { name = "pydantic-settings" },
@@ -324,6 +340,7 @@ dependencies = [
 dev = [
     { name = "httpx" },
     { name = "mypy" },
+    { name = "pandas-stubs" },
     { name = "pytest" },
     { name = "pytest-asyncio" },
     { name = "pytest-cov" },
@@ -332,11 +349,13 @@ 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" },
     { name = "asyncpg", specifier = ">=0.31.0" },
     { name = "fastapi", specifier = ">=0.141.1" },
+    { name = "pandas", specifier = ">=3.0.5" },
     { name = "prometheus-fastapi-instrumentator", specifier = ">=8.1.0" },
     { name = "pydantic", extras = ["email"], specifier = ">=2.13.5" },
     { name = "pydantic-settings", specifier = ">=2.15.0" },
@@ -350,6 +369,7 @@ requires-dist = [
 dev = [
     { name = "httpx", specifier = ">=0.28.1" },
     { name = "mypy", specifier = ">=2.3.1" },
+    { name = "pandas-stubs", specifier = ">=3.0.5.260914" },
     { name = "pytest", specifier = ">=9.1.1" },
     { name = "pytest-asyncio", specifier = ">=1.4.0" },
     { name = "pytest-cov", specifier = ">=7.1.0" },
@@ -595,6 +615,35 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/79/7b/2c79738432f5c924bef5071f933bcc9efd0473bac3b4aa584a6f7c1c8df8/mypy_extensions-1.1.0-py3-none-any.whl", hash = "sha256:1be4cccdb0f2482337c4743e60421de3a356cd97508abadd57d47403e94f5505", size = 4963, upload-time = "2025-04-22T14:54:22.983Z" },
 ]
 
+[[package]]
+name = "numpy"
+version = "2.5.3"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/13/01/11703282db468b85f6f7b8c7f22d058de5970d5c7e60a3a8aaa313c3de36/numpy-2.5.3.tar.gz", hash = "sha256:df2d5874ff183595a4ba404edd04f6bd9b5505c1d7708573f6a6c17489a67563", size = 20791231, upload-time = "2026-09-06T16:27:47.073Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/70/78/cf416f15dc29375a229d9dfebf8db6e313f291580b39fa1a568b6052bb07/numpy-2.5.3-cp314-cp314-macosx_10_15_x86_64.whl", hash = "sha256:350ba9783ce969cf9f7ce6e6a9a58e1a6e2a19ca025b7ee448c4db727706212a", size = 16998686, upload-time = "2026-09-06T16:25:33.171Z" },
+    { url = "https://files.pythonhosted.org/packages/9e/59/abcc2d8def4fd60eec7d87f92d27c13448ffd9ab14339bcc63a0d7a2fdea/numpy-2.5.3-cp314-cp314-macosx_11_0_arm64.whl", hash = "sha256:012e66aca395d795496446e52aeeb5866312a5d4d3f27da270e5a0b43f70dc5c", size = 12013862, upload-time = "2026-09-06T16:25:36.748Z" },
+    { url = "https://files.pythonhosted.org/packages/94/75/4640d2d6e4b64a049e48425a82728a41ef4adb61332d2cba68055774878b/numpy-2.5.3-cp314-cp314-macosx_14_0_arm64.whl", hash = "sha256:adc1ada2662f8a5f960b8a10d9986897e7499ef07e06d4cfe7197f8cce923c07", size = 5449793, upload-time = "2026-09-06T16:25:39.476Z" },
+    { url = "https://files.pythonhosted.org/packages/96/cd/625b57ae33d4ca560f32cc0b47b4a5922146d9beb998ddf773900d440a73/numpy-2.5.3-cp314-cp314-macosx_14_0_x86_64.whl", hash = "sha256:54a115e5a73b8fc44f0cebef486365a1894b5c9760685d4558b72b7c3eb846e0", size = 6785176, upload-time = "2026-09-06T16:25:42.069Z" },
+    { url = "https://files.pythonhosted.org/packages/9c/72/12918652e7912ef9751e8694c88820fcd1908e0618cb23f5f3caa6004b7b/numpy-2.5.3-cp314-cp314-manylinux_2_27_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:be5a8381859b6da607c84f4f7d6847725f1cf1853ef8a2c9e115b7d58bef47dc", size = 15703377, upload-time = "2026-09-06T16:25:45.135Z" },
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apps/frontend/.gitignore

@@ -34,6 +34,7 @@ yarn-error.log
 .sass-cache/
 /connect.lock
 /coverage
+/test-results
 /libpeerconnection.log
 testem.log
 /typings

apps/frontend/Dockerfile

@@ -0,0 +1,47 @@
+# ==================
+# Étape 1 : Build
+# ==================
+
+# Image pour frontend
+FROM node:24-alpine3.22 AS builder
+
+WORKDIR /app
+
+COPY package.json package-lock.json* ./
+
+# Installation des dépendances du projet avec npm
+RUN  npm ci
+
+# Copie du code source vers le conteneur
+COPY . .
+
+# Build 
+RUN npm run build
+
+# ==================
+# Étape 2 : Runner
+# ==================
+
+
+FROM dhi.io/nginx:1.28.0-alpine3.21-dev AS runner
+
+# Copie de la configuration de nginx
+COPY --chown=root:root --chmod=755 nginx.conf /etc/nginx/nginx.conf
+
+# Copy the static build output from the build stage to Nginx's default HTML serving directory
+COPY --chown=root:root --chmod=755 --from=builder /app/dist/*/browser /usr/share/nginx/html
+
+# Create necessary directories with proper permissions for nginx
+RUN mkdir -p /var/log/nginx /var/cache/nginx && \
+    chown -R nginx:nginx /var/log/nginx /var/cache/nginx /usr/share/nginx/html
+
+# Use a non-root user for security best practices
+USER nginx
+
+# Frontend : port 3000
+# Backend : port 8000
+EXPOSE 3000
+
+# Start Nginx directly with custom config
+ENTRYPOINT ["nginx", "-c", "/etc/nginx/nginx.conf"]
+CMD ["-g", "daemon off;"]

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

@@ -2,7 +2,8 @@
   "$schema": "./node_modules/@angular/cli/lib/config/schema.json",
   "version": 1,
   "cli": {
-    "packageManager": "npm"
+    "packageManager": "npm",
+    "analytics": false
   },
   "newProjectRoot": "projects",
   "projects": {
@@ -80,19 +81,11 @@
           "builder": "@angular/build:unit-test",
           "options": {
             "coverage": true,
+            "isolate": true,
             "coverageReporters": [
               "text-summary",
               "lcov",
               "html"
-            ],
-            "reporters": [
-              "default",
-              [
-                "junit",
-                {
-                  "outputFile": "test-results/junit.xml"
-                }
-              ]
             ]
           }
         }

apps/frontend/nginx.conf

@@ -0,0 +1,32 @@
+worker_processes auto;
+error_log /var/log/nginx/error.log warn;
+pid /tmp/nginx.pid;
+
+events {
+    worker_connections 1024;
+}
+
+http {
+    include /etc/nginx/mime.types;
+    default_type application/octet-stream;
+
+    sendfile on;
+    keepalive_timeout 65;
+
+
+    server {
+        listen 3000;
+        server_name _;
+
+        root /usr/share/nginx/html;
+        index index.html;
+
+        location / {
+            try_files $uri $uri/ /index.html;
+        }
+
+        location ~ /\. {
+            deny all;
+        }
+    }
+}

apps/frontend/package-lock.json

@@ -14,6 +14,7 @@
         "@angular/forms": "^22.1.0",
         "@angular/platform-browser": "^22.1.0",
         "@angular/router": "^22.1.0",
+        "chart.js": "^4.5.1",
         "rxjs": "~7.8.0",
         "tslib": "^2.3.0"
       },
@@ -2038,6 +2039,12 @@
         "@jridgewell/sourcemap-codec": "^1.4.14"
       }
     },
+    "node_modules/@kurkle/color": {
+      "version": "0.3.4",
+      "resolved": "https://registry.npmjs.org/@kurkle/color/-/color-0.3.4.tgz",
+      "integrity": "sha512-M5UknZPHRu3DEDWoipU6sE8PdkZ6Z/S+v4dD+Ke8IaNlpdSQah50lz1KtcFBa2vsdOnwbbnxJwVM4wty6udA5w==",
+      "license": "MIT"
+    },
     "node_modules/@listr2/prompt-adapter-inquirer": {
       "version": "4.2.5",
       "resolved": "https://registry.npmjs.org/@listr2/prompt-adapter-inquirer/-/prompt-adapter-inquirer-4.2.5.tgz",
@@ -4220,6 +4227,18 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/chart.js": {
+      "version": "4.5.1",
+      "resolved": "https://registry.npmjs.org/chart.js/-/chart.js-4.5.1.tgz",
+      "integrity": "sha512-GIjfiT9dbmHRiYi6Nl2yFCq7kkwdkp1W/lp2J99rX0yo9tgJGn3lKQATztIjb5tVtevcBtIdICNWqlq5+E8/Pw==",
+      "license": "MIT",
+      "dependencies": {
+        "@kurkle/color": "^0.3.0"
+      },
+      "engines": {
+        "pnpm": ">=8"
+      }
+    },
     "node_modules/chokidar": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-5.0.0.tgz",

apps/frontend/package.json

@@ -18,6 +18,7 @@
     "@angular/forms": "^22.1.0",
     "@angular/platform-browser": "^22.1.0",
     "@angular/router": "^22.1.0",
+    "chart.js": "^4.5.1",
     "rxjs": "~7.8.0",
     "tslib": "^2.3.0"
   },

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.config.ts

@@ -1,7 +1,21 @@
-import { ApplicationConfig, provideBrowserGlobalErrorListeners } from '@angular/core';
+import {ApplicationConfig, inject, provideAppInitializer, provideBrowserGlobalErrorListeners} from '@angular/core';
 import { provideRouter } from '@angular/router';
 import { routes } from './app.routes';
+import { mockApiInterceptor } from './core/interceptors/mock-api-interceptor';
+import { provideHttpClient, withInterceptors } from '@angular/common/http';
+import {catchError, firstValueFrom, of} from 'rxjs';
+import {AuthService} from './core/services/auth.service';
+import {authInterceptor} from './core/interceptors/auth-interceptor';
 
 export const appConfig: ApplicationConfig = {
-  providers: [provideBrowserGlobalErrorListeners(), provideRouter(routes)],
+  providers: [
+    provideBrowserGlobalErrorListeners(),
+    provideRouter(routes),
+    provideHttpClient(withInterceptors([authInterceptor, mockApiInterceptor])),
+    provideAppInitializer(() => {
+      const auth = inject(AuthService);
+      // Un 401 ici est normal : ça veut juste dire qu'il n'y a pas de session.
+      return firstValueFrom(auth.refreshShared().pipe(catchError(() => of(null))));
+    }),
+  ],
 };

apps/frontend/src/app/app.html

@@ -1,353 +1 @@
-<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
+<router-outlet></router-outlet>
-<!-- * * * * * * * * * * * The content below * * * * * * * * * * * -->
-<!-- * * * * * * * * * * is only a placeholder * * * * * * * * * * -->
-<!-- * * * * * * * * * * and can be replaced.  * * * * * * * * * * -->
-<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
-<!-- * * * * * * * * * Delete the template below * * * * * * * * * -->
-<!-- * * * * * * * to get started with your project! * * * * * * * -->
-<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
-
-<style>
-  :host {
-    --bright-blue: oklch(51.01% 0.274 263.83);
-    --electric-violet: oklch(53.18% 0.28 296.97);
-    --french-violet: oklch(47.66% 0.246 305.88);
-    --vivid-pink: oklch(69.02% 0.277 332.77);
-    --hot-red: oklch(61.42% 0.238 15.34);
-    --orange-red: oklch(63.32% 0.24 31.68);
-
-    --gray-900: oklch(19.37% 0.006 300.98);
-    --gray-700: oklch(36.98% 0.014 302.71);
-    --gray-400: oklch(70.9% 0.015 304.04);
-
-    --red-to-pink-to-purple-vertical-gradient: linear-gradient(
-      180deg,
-      var(--orange-red) 0%,
-      var(--vivid-pink) 50%,
-      var(--electric-violet) 100%
-    );
-
-    --red-to-pink-to-purple-horizontal-gradient: linear-gradient(
-      90deg,
-      var(--orange-red) 0%,
-      var(--vivid-pink) 50%,
-      var(--electric-violet) 100%
-    );
-
-    --pill-accent: var(--bright-blue);
-
-    font-family:
-      'Inter',
-      -apple-system,
-      BlinkMacSystemFont,
-      'Segoe UI',
-      Roboto,
-      Helvetica,
-      Arial,
-      sans-serif,
-      'Apple Color Emoji',
-      'Segoe UI Emoji',
-      'Segoe UI Symbol';
-    box-sizing: border-box;
-    -webkit-font-smoothing: antialiased;
-    -moz-osx-font-smoothing: grayscale;
-    display: block;
-    height: 100dvh;
-  }
-
-  h1 {
-    font-size: 3.125rem;
-    color: var(--gray-900);
-    font-weight: 500;
-    line-height: 100%;
-    letter-spacing: -0.125rem;
-    margin: 0;
-    font-family:
-      'Inter Tight',
-      -apple-system,
-      BlinkMacSystemFont,
-      'Segoe UI',
-      Roboto,
-      Helvetica,
-      Arial,
-      sans-serif,
-      'Apple Color Emoji',
-      'Segoe UI Emoji',
-      'Segoe UI Symbol';
-  }
-
-  p {
-    margin: 0;
-    color: var(--gray-700);
-  }
-
-  main {
-    width: 100%;
-    min-height: 100%;
-    display: flex;
-    justify-content: center;
-    align-items: center;
-    padding: 1rem;
-    box-sizing: inherit;
-    position: relative;
-  }
-
-  .angular-logo {
-    max-width: 9.2rem;
-  }
-
-  .content {
-    display: flex;
-    justify-content: space-around;
-    width: 100%;
-    max-width: 700px;
-    margin-bottom: 3rem;
-  }
-
-  .content h1 {
-    margin-top: 1.75rem;
-  }
-
-  .content p {
-    margin-top: 1.5rem;
-  }
-
-  .divider {
-    width: 1px;
-    background: var(--red-to-pink-to-purple-vertical-gradient);
-    margin-inline: 0.5rem;
-  }
-
-  .pill-group {
-    display: flex;
-    flex-direction: column;
-    align-items: start;
-    flex-wrap: wrap;
-    gap: 1.25rem;
-  }
-
-  .pill {
-    display: flex;
-    align-items: center;
-    --pill-accent: var(--bright-blue);
-    background: color-mix(in srgb, var(--pill-accent) 5%, transparent);
-    color: var(--pill-accent);
-    padding-inline: 0.75rem;
-    padding-block: 0.375rem;
-    border-radius: 2.75rem;
-    border: 0;
-    transition: background 0.3s ease;
-    font-family: var(--inter-font);
-    font-size: 0.875rem;
-    font-style: normal;
-    font-weight: 500;
-    line-height: 1.4rem;
-    letter-spacing: -0.00875rem;
-    text-decoration: none;
-    white-space: nowrap;
-  }
-
-  .pill:hover {
-    background: color-mix(in srgb, var(--pill-accent) 15%, transparent);
-  }
-
-  .pill-group .pill:nth-child(6n + 1) {
-    --pill-accent: var(--bright-blue);
-  }
-  .pill-group .pill:nth-child(6n + 2) {
-    --pill-accent: var(--electric-violet);
-  }
-  .pill-group .pill:nth-child(6n + 3) {
-    --pill-accent: var(--french-violet);
-  }
-
-  .pill-group .pill:nth-child(6n + 4),
-  .pill-group .pill:nth-child(6n + 5),
-  .pill-group .pill:nth-child(6n + 6) {
-    --pill-accent: var(--hot-red);
-  }
-
-  .pill-group svg {
-    margin-inline-start: 0.25rem;
-  }
-
-  .social-links {
-    display: flex;
-    align-items: center;
-    gap: 0.73rem;
-    margin-top: 1.5rem;
-  }
-
-  .social-links path {
-    transition: fill 0.3s ease;
-    fill: var(--gray-400);
-  }
-
-  .social-links a:hover svg path {
-    fill: var(--gray-900);
-  }
-
-  @media screen and (max-width: 650px) {
-    .content {
-      flex-direction: column;
-      width: max-content;
-    }
-
-    .divider {
-      height: 1px;
-      width: 100%;
-      background: var(--red-to-pink-to-purple-horizontal-gradient);
-      margin-block: 1.5rem;
-    }
-  }
-</style>
-
-<main class="main">
-  <div class="content">
-    <div class="left-side">
-      <svg
-        xmlns="http://www.w3.org/2000/svg"
-        viewBox="0 0 982 239"
-        fill="none"
-        class="angular-logo"
-      >
-        <g clip-path="url(#a)">
-          <path
-            fill="url(#b)"
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-          />
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