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I need help in modifying an amibroker AFL indicator the indicator already works but I need per symbol static variable isolation, parameters persistence per symbol after restart, non declining trailing stop logic, parameter auto restore when switching symbols and a global reset function for static variables. For better understanding As discussed, this is the official offer for restructuring my RAD Chandelier stop loss

I need a reliable, clean-coded Expert Advisor built for both MetaTrader 4 and MetaTrader 5 platforms. Main trading behavior: The EA follows buy and sell arrows produced by my custom indicator. Whenever a buy arrow shows up on the chart: if a sell position is currently open → close that sell immediately and enter a buy trade in its place. Whenever a sell arrow appears: if a buy position exists → close the buy and