Fusionne dev dans feat/endpoint-alertes-predictives

Resout les conflits additifs entre les routes alerts, recommendations
et stats mergees sur dev (PR #79, PR #82) pendant le developpement de
cette branche : deps.py, router.py, openapi.py, openapi.json,
test_openapi.py et 20-backend.md conservent desormais les trois routes.

apps/backend/app/api/deps.py

@@ -24,12 +24,16 @@ from app.db.session import get_session
 from app.repositories.alert import AlertRepository
 from app.repositories.audit_log import AuditLogRepository
 from app.repositories.login_attempt import LoginAttemptRepository
+from app.repositories.reading import ReadingRepository
+from app.repositories.recommendation import RecommendationRepository
 from app.repositories.refresh_token import RefreshTokenRepository
 from app.repositories.site import SiteRepository
 from app.repositories.user import UserRepository
 from app.services.alert import AlertService
 from app.services.auth import AuthService, LoginPolicy
+from app.services.recommendation import RecommendationService
 from app.services.site import SiteService
+from app.services.stats import StatsService
 from app.services.user import UserService
 
 SessionDep = Annotated[AsyncSession, Depends(get_session)]
@@ -149,6 +153,20 @@ def get_alert_service(session: SessionDep) -> AlertService:
 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)]
+
+
 async def get_current_principal(
     credentials: CredentialsDep,
     session: SessionDep,