Three polish fixes spotted in the first prod screenshot of the inline
event-modal waveform plot:
1. Peak labels were rendering as "PEAK 2.500E-2 IN/S" because of a
blanket toExponential(3) call. New _fmtPeak() formatter picks
decimal with adaptive precision for normal-range values (0.0001 to
10000) and falls back to scientific only for truly extreme
magnitudes. Same value now reads "peak 0.0250 in/s".
2. Histogram events were being plotted as connected line charts, but
histograms are per-INTERVAL peaks (one bar per minute, typically),
not per-sample waveforms. Now: detect histogram via record_type,
render as a tight bar graph (bars touch), suppress the trigger line
+ zero baseline overlays (no trigger event on a histogram), and
label the x-axis with interval number instead of milliseconds.
3. X-axis tick labels were displaying as "11.7187040000000002 ms"
because the callback used the raw float, not the formatted label.
Snap to 1 decimal place (or integer for whole-number values like
histogram intervals).
Applied to both the inline modal plot in sfm_webapp.html and the
standalone /events viewer in event_browser.html — they share the same
data shape and presentation conventions.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
serversdownandClaude Opus 4.7
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