M7-T05: add meter CRUD API + retroactive recompute + OpenAPI regen

app/main.py

@@ -16,6 +16,7 @@ from app.api.routes.api.data import router as api_data_router
 from app.api.routes.api.energy import router as api_energy_router
 from app.api.routes.api.energy_contracts import router as api_energy_contracts_router
 from app.api.routes.api.expose import router as api_expose_router
+from app.api.routes.api.meters import router as api_meters_router
 from app.api.routes.api.modbus import router as api_modbus_router
 from app.api.routes.api.session import router as api_session_router
 from app.api.routes import status
@@ -280,6 +281,7 @@ def create_app() -> FastAPI:
     app.include_router(api_data_router)
     app.include_router(api_energy_router)
     app.include_router(api_energy_contracts_router)
+    app.include_router(api_meters_router)
     app.include_router(api_expose_router)
     app.include_router(api_modbus_router)
     app.include_router(api_session_router)