a25e041793
* Fix weights calculation in VBaseSignalExport * fix empty portfolio handling * Refactored signal export to compute and export weights for all portfolio positions, not just update targets. * Update BuildCsv XML doc to clarify CSV output details * Clarify comments on portfolio value and empty weights * Stamp targets as is; we expect that users send all the weights they want to stamp. Extended the demo algorithm to use two positions to better demonstrate the intended usage of the VBaseSignalExport class. * Minor changes to address PR review comments. * Minor fix --------- Co-authored-by: vb-vlb <volodymyr@vbase.com> Co-authored-by: Volodymyr <vb-vlb@users.noreply.github.com>