more documentation and last 24h chart

cmd/ingestd/web/app.js

@@ -109,6 +109,13 @@ function computeRange(range, tz) {
       axisEnd = end;
       break;
     }
+    case "24h-last": {
+      end = now;
+      start = new Date(now.getTime() - 24 * 60 * 60 * 1000);
+      axisStart = start;
+      axisEnd = end;
+      break;
+    }
     case "72h": {
       end = startOfDay(now, tz);
       start = new Date(end.getTime() - 72 * 60 * 60 * 1000);
@@ -249,16 +256,6 @@ function renderDashboard(data) {
     updateText("live-supercap", "--");
   }
 
-  const forecastUrl = document.getElementById("forecast-url");
-  if (forecastUrl) {
-    if (data.open_meteo_url) {
-      forecastUrl.href = data.open_meteo_url;
-      forecastUrl.textContent = data.open_meteo_url;
-    } else {
-      forecastUrl.textContent = "--";
-    }
-  }
-
   const obs = data.observations || [];
   const forecastAll = (data.forecast && data.forecast.points) || [];