package wallet type CreateWalletRequest struct { Label *string `json:"label,omitempty"` Password string `json:"password"` } type WalletResponse struct { Address string `json:"address"` // Format: "random_word:123456" (e.g. "cave:595462") Balance float64 `json:"balance"` Label *string `json:"label,omitempty"` PasswordHash string `json:"password_hash"` CreatedAt int64 `json:"created_at"` LastActivity *int64 `json:"last_activity,omitempty"` } type BalanceResponse struct { Address string `json:"address"` Balance float64 `json:"balance"` } type UpdateWalletRequest struct { Label *string `json:"label,omitempty"` }