# move_to_origin.py
from shapely.affinity import translate

def kikitPostprocess(panel, args):
    import pcbnew

    # Get bounds from the substrate (Shapely polygon, units in nm)
    bounds = panel.boardSubstrate.substrates.bounds  # (minx, miny, maxx, maxy)
    minx = bounds[0]
    miny = bounds[1]

    dx = int(-minx)
    dy = int(-miny)
    offset = pcbnew.VECTOR2I(dx, dy)

    # Move all board items (footprints, tracks, drawings, zones)
    for fp in panel.board.GetFootprints():
        fp.Move(offset)
    for track in panel.board.GetTracks():
        track.Move(offset)
    for drawing in panel.board.GetDrawings():
        drawing.Move(offset)
    for zone in panel.board.Zones():
        zone.Move(offset)

    # Translate the substrate geometry (this becomes the Edge.Cuts on save)
    dx_nm = -bounds[0]
    dy_nm = -bounds[1]
    panel.boardSubstrate.substrates = translate(
        panel.boardSubstrate.substrates,
        xoff=dx_nm,
        yoff=dy_nm
    )