Module trade 

交易域 handler（只读）：accounts / funds / positions / orders / deals

Structs

AccountOut 🔒

DealOut 🔒

FundsOut 🔒

OrderOut 🔒

PositionOut 🔒

Functions

build_header 🔒

get_deals

get_funds

get_orders

get_positions

list_accounts

parse_trd_env 🔒

parse_trd_market 🔒