nutikodu-web: Varv — kalibratsiooni live naitab ka stabiilsust

dev/nutikodu-web/static/app.js

@@ -926,17 +926,19 @@ function renderVarvCalibLive() {
   const el = document.getElementById("varv-calib-live");
   if (!el) return;
   if (!varvLatest.length) { el.textContent = ""; return; }
+  const bandSum = (r) => Object.values(r.bands || {}).reduce((a, v) => a + (Number(v) || 0), 0);
   const c = varvLatest[0];
-  const sum = Object.values(c.bands || {}).reduce((a, v) => a + (Number(v) || 0), 0);
-  let hint;
-  if (sum < 50) {
-    hint = "PIME — valge jaoks on vaja valgust (lamp/päevavalgus); kontrolli, et kate on eemaldatud";
-  } else if (sum < 200) {
-    hint = "hämar — valge jaoks soovitav tugevam valgustus";
-  } else {
-    hint = "HELE — sobib valgeks (hoia valgustus/geomeetria muutumatuna)";
-  }
-  el.textContent = `Viimane mõõtmine: ${(c.rgb_hex || "").toUpperCase()} · heledus ${Math.round(sum)} · ${hint}`;
+  const sum = bandSum(c);
+  const sums = varvLatest.slice(0, 5).map(bandSum);
+  const mx = Math.max(...sums);
+  const mn = Math.min(...sums);
+  const unstable = mx > 0 && (mx - mn) / mx > 0.2;
+  let light;
+  if (sum < 50) light = "PIME — valge jaoks vaja valgust";
+  else if (sum < 200) light = "hämar";
+  else light = "HELE";
+  const st = unstable ? "MUUTUB (oota stabiliseerumist)" : "stabiilne ✓";
+  el.textContent = `Viimane: ${(c.rgb_hex || "").toUpperCase()} · heledus ${Math.round(sum)} · ${light} · ${st}`;
 }
 
 async function captureVarvCalib(kind) {