The client portal has a live dashboard but the internal project page only
showed static counts. Add a portal-style live section to the Overview tab
so operators can see real-time sound levels at a glance.
Backend:
- New GET /api/projects/{id}/live-stats — resolves each sound NRL to its
active SLM unit and returns SLMM's cached /status snapshot (concurrent
fetch). Internal-rich: includes battery/power/reachability the portal
scrubs. Degrades to no_device/unreachable/no_data per location.
Frontend (project detail Overview tab):
- Rollup strip (live / offline / loudest-now) + a live tile per NRL with a
Live/Stopped/Offline/Wedged badge, color-coded Leq (55/70 thresholds),
Lp/Lmax, last-seen, and battery/power.
- Self-refreshes every 15s, pauses when the browser tab is hidden, and sits
outside the 30s htmx dashboard swap so it never flickers. Polls only for
projects with the sound module.
Reuses the same SLMM /status source as the portal; no SLMM changes.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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