Lp (instantaneous) twitches every reading and makes a poor at-a-glance headline;
Leq (energy-average) is the stable, standard sound-monitoring/compliance metric.
Overview tiles now lead with Leq. Design doc: live project map (status-colored
pins + current-reading popups) recorded as an M2 item; headline-metric rationale
noted.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>