Fixed the next-train time on the circle lines.

Line 2 and Line 6 come back round to where they started. The app was working out the way round from the far side, so it could pass over the trains actually coming and offer one hours away. Sindorim to Gyodae was the clearest case of it.

It now reads the direction the train is really going.

The latest update for Seoul Subway Map shows no measurable impact on user sentiment or category ranking. The release lacks sufficient data signals to determine a performance shift from the historical baseline.