commit 31b92d657923e5084f80c167ee0f931fa73fe071
Author: Lukas K. <lu@0x83.eu>
Date:   Sun Feb 1 23:11:48 2026 +0100

    block: copy diffpair partners when flattening nets
    
    changelog: Bugfixes/Board editor: recognize diffpairs inside blocks
    
    the problem was that the flattened netlist didn't retain diffpairs if the net was flattened from a block
    
    fixes #844 #842
