Following tasks involve lot of work manually :-
(a) Mapping symbols after uploading weekly option chains or monthly futures list (30-40 symbols) one by one between brokers symbol and data-feed provider symbol.
(b) Setting order presets (default quantity and increment) for each symbol.
Like you have provided facility to import symbols into watchlists from a csv file, please extend similar feature by adding few more comma separated values (columns) that feed order presets data (default quantity and increment) and mapped symbols for all instruments (Options Futures, Index Options etc).
(a) Mapping symbols after uploading weekly option chains or monthly futures list (30-40 symbols) one by one between brokers symbol and data-feed provider symbol.
(b) Setting order presets (default quantity and increment) for each symbol.
Like you have provided facility to import symbols into watchlists from a csv file, please extend similar feature by adding few more comma separated values (columns) that feed order presets data (default quantity and increment) and mapped symbols for all instruments (Options Futures, Index Options etc).