convert the uploaded floor plan pdf into a clean black and white architectural plan drawing keep the exact scale proportions and dimensions of the original do not resize crop stretch rotate or re proportion anything every wall door window opening stair and room boundary must stay exactly where it is in the source all furniture must remain exactly as shown same type position orientation and size do not add remove move or restyle any furniture fixtures sanitaryware or kitchen units style pure black linework on a white background no colour no grey fills no gradients no shadows no textures draw as a flat 2d top down plan with no perspective and no 3d line weights heaviest cut walls shown solid black or cleanly poch filled in solid black medium door leaves door swing arcs window lines stairs fixed joinery fine furniture fixtures floor pattern lines dimension lines keep all room names text labels dimensions north arrow and scale bar legible and in their original positions do not add new text symbols or decoration output crisp high resolution technical drawing with clean continuous lines and no sketchy or hand drawn look
