Fixed

• A row bought from the trader had no panel behind it. The backdrop grew the wooden panel by the rows mods had claimed above the vanilla baseline, and that baseline is learned from the invrows key - so buying a row moved the baseline up with it and the count stayed at zero. Vanilla sizes the panel when the window is built and never resizes one already open, and Core is the only other thing that writes that rect, so nothing corrected it for the rest of the session.

  The panel is now sized from the grid on screen against what the captured art already fits, both measured rather than assumed. That covers all three reasons the wood has to move at once - rows a mod claimed, rows the player bought, and the tick's own clamp up to whatever the items occupy - where only the first was counted.

  discuss

• Every chest window was a row of wood too tall, top and bottom. The container window is a child of the player window, so the search for the backdrop reached the chest panel's own background and frame: same sprite, near enough the same width, and both filters waved them through. Skipped by position now, because nothing about the art separates them.

  discuss

• The chest window could end up below the screen. It is pushed down by what the inventory panel gained, which is right for a row or two and puts it under the taskbar once a character has bought every row a trader sells. It is lifted back on now, overlapping the inventory instead - at that height the two cannot both fit, so the choice is which one is reachable, and it says in the log when it happens.

  discuss

Changed

• The backdrop runs whether or not Core's own row claims are safe to apply. It used to sit behind that guard, which was right when the panel was sized from claims; sized from the grid it cannot outrun the slots it is drawn behind. The player who reported this claims no rows at all, so the guard would have kept the fix from the people who need it.

  discuss

• The panel work says what it measured - which rects it grabbed, what the art fits, how far the container was lifted. Two of the three bugs above were found by reading those numbers after reasoning about the hierarchy had produced a confident wrong answer.

  discuss