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fix(slm): don't blank L1/L10 on percentile-less live-stream frames

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The DRD stream carries Lp/Leq/Lmax but not the Ln percentiles (those come
from DOD polling), so updateLiveMetrics/updateDashboardMetrics were
overwriting the DOD-sourced L1/L10 values with '--' on every stream frame.
Guard the value updates on `data.lnN != null` so a frame without the key
leaves the existing value intact — mirrors the existing label guards.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
serversdown
2026-06-09 17:56:29 +00:00
parent 7f561c2c9d
commit 08fec696f1
2 changed files with 11 additions and 6 deletions
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templates/sound_level_meters.html
+4 -2
View File
@@ -322,8 +322,10 @@ function updateDashboardMetrics(data) {
document.getElementById('chart-lp').textContent = data.lp || '--';
document.getElementById('chart-leq').textContent = data.leq || '--';
document.getElementById('chart-lmax').textContent = data.lmax || '--';
document.getElementById('chart-ln1').textContent = data.ln1 || '--';
document.getElementById('chart-ln2').textContent = data.ln2 || '--';
// Guard: DRD stream frames omit percentiles, so only overwrite when present
// (else the live stream blanks L1/L10 over the cached DOD snapshot values).
if (data.ln1 != null) document.getElementById('chart-ln1').textContent = data.ln1;
if (data.ln2 != null) document.getElementById('chart-ln2').textContent = data.ln2;
if (data.ln1_label) document.getElementById('chart-ln1-label').textContent = data.ln1_label;
if (data.ln2_label) document.getElementById('chart-ln2-label').textContent = data.ln2_label;
}