The y-axis labels spanned the whole wrapper (inset-y-0), which now included the
x-axis label row — so the "0" tick and the "−1 h"/"jetzt" labels overlapped at the
bottom. Wrap only the plot + y-axis in the relative box and render the x-axis labels
as a separate row beneath it, so "0" sits on the chart's bottom edge and the time
labels are clearly below.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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