Priser for beslagskalkulator og ordresystem

-- Pricing Plans Configuration
PLAN freemium {
  calculators: 10,
  products: 100,
  customers: 5,
  team_members: 2,
  price: 0 NOK/month
}

PLAN premium {
  calculators: unlimited,
  products: unlimited,
  customers: unlimited,
  team_members: unlimited,
  price: 349 NOK/month,
  features: [priority_support, advanced_features]
}

-- Billing Logic
FUNCTION calculate_monthly_cost(plan text) RETURNS numeric;
FUNCTION check_usage_limits(org_id uuid) RETURNS jsonb;