Release v2.17.3: roll weather forecasts forward at hour and day boundaries

src/web/public/js/slides/slide-form.js

@@ -1030,10 +1030,20 @@ import { createSlideAnimationEditor } from '/assets/js/slides/slide-animation-ed
     previewResizeObserver.observe(slidePreviewStage);
   }
   requestSidebarSync();
+  var weatherPreviewTimer;
+  function scheduleWeatherPreviewUpdate() {
+    weatherPreviewTimer = window.setTimeout(function () {
+      var template = getTemplateById(templateSelect.value);
+      if (template && template.regions.some(function (region) { return region.region_type === 'weather'; })) requestPreviewRender();
+      scheduleWeatherPreviewUpdate();
+    }, Math.max(1, 60000 - Date.now() % 60000));
+  }
+  scheduleWeatherPreviewUpdate();
   window.addEventListener('scroll', requestSidebarSync, { passive: true });
   window.addEventListener('resize', requestPreviewRender);
   window.addEventListener('resize', requestSidebarSync);
   window.addEventListener('beforeunload', function () {
+    window.clearTimeout(weatherPreviewTimer);
     if (regionMediaController) {
       regionMediaController.queueUploadCleanup(regionMediaController.getPendingUploadCleanupPaths());
     }