- app/integrations/pricing: profiles.py (pydantic ManualProfile/TibberProfile, load_profile/list_profiles/validate_values), manual.yaml + tibber.yaml (structure-only, no price values), strategies.py (register/get_strategy, manual dual-tariff + tibber strategies, all Decimal). - tibber strategy matches nearest tibber_price with starts_at <= t0. - tests for profiles + strategies (hand-checked dual-tariff & tibber math).