WashU-Astroparticle-Lab / straxion / 26453201311

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Add plot_staggered_traces helper ordered by detector x position (#93)

New helper in straxion/colors.py that plots all 41 channel traces with a
staggered time/amplitude offset. Unlike the original analysis snippet,
the stagger rank follows each channel's physical x position in the
QUALIPHIDE-FIR KID array (via get_channel_position), so the visual order
reflects detector geometry rather than pulse amplitude. Highlight sets
for no-hit-far channels and single Si phonon hit channels are preserved,
and time_offset/amp_offset/ax/figsize/xlim are now parameters so the
helper composes with existing figures.

Tests cover basic plotting, x-position ordering of the staggered ranks,
highlight color/alpha/zorder, single-int hit-channel input, zoom slicing,
and a regression check that the new order is not the old amplitude
butterfly.

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

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