The coping card lists d_IP2 and a table of the step segments: range, front and back coping tops, the lateral step, and
the block heights including the 50 mm pad (150 / 200 as in the 삽도). The table is read from the model; nothing new is
computed or entered. Tests check the P1 values against the 삽도.
Co-Authored-By: Claude Haiku 5.5 <noreply@anthropic.com>