Copy Trader - expert for MetaTrader 5

I'll try to detail here what the robot does

CopyTrader - Detailed Operation

OnInit(

)

Creates/opens the SQLite database"CopyTrader.sqlite"

Creates two tables if they don't exist:

signals: to store active signals

signals_history: to store signal history

Initial Check (CheckInitialOrders)

Checks all open positions, for each position with the correct MAGIC_NUMBER:

Records in the bank as a "NEW" signal

Stores in control arrays (previous_orders and previous_positions)

OnTradeTransaction()

Modification of SL/TP(TRADE_TRANSACTION_REQUEST)

Detects whenSL/TPismodified (TRADE_ACTION_SLTP)

Checks if the position belongs to EA (MAGIC_NUMBER)

Sends "MODIFY" signal to the bank with new values

New Position (TRADE_TRANSACTION_DEAL_ADD)

Detects when a new position is opened

Checks whether it's a buy or sell (DEAL_TYPE_BUY or DEAL_TYPE_SELL)

Checks MAGIC_NUMBER

If it's an entry (DEAL_ENTRY_IN):

Sends "NEW" signal to bank with position details

• Position closure (TRADE_TRANSACTION_HISTORY_ADD)

Detects when a position is closed

Checks history of deals

If it finds an exit (DEAL_ENTRY_OUT):

Sends "CLOSE" signal to the bank

Signal Functions

1.SendNewOrderSignal

Registersa new order with the bank

Stores ticket, symbol, type, volume, price, SL and TP

SendModifySignal

Registers order modification in the bank

Updates SL and TP

SendCloseSignal

Records order closure in the bank

Marks order as closed

Database(CSignalDB)

WriteSignal

Adds new signals to the database

Checks for duplicate "NEW" signals

UpdateSignalStatus

Updates signal status

MoveToHistory

Moves completed signals to history table

GetPendingSignals

Retrieves pending signals from the bank

I'd like some help with improvements.
If it makes sense to make the robot copy in this way

Thank you in advance for your co-operation.

Another question, the real account, when I try to get the ticket, it comes up with a negative number, can you tell if that's the case? Can't you get the correct value of the ticket?