export interface Category {
  id: number
  name: string
  created_at: string
}

export interface PiggyBank {
  id: number
  name: string
  target_amount: number
  current_amount: number
  currency: string
  category_id: number | null
  progress_percent: number
  created_at: string
  updated_at: string
}

export interface Transaction {
  id: number
  piggy_bank_id: number
  amount: number
  description: string | null
  created_at: string
}

export interface PiggyBankCreate {
  name: string
  target_amount: number
  currency: string
  category_id?: number | null
}

export interface TransactionCreate {
  amount: number
  description?: string
}