fix(web): show download chip on movie detail (#267)

web/src/main.ts

@@ -405,6 +405,7 @@ function main() {
   repaintDownloads = () => {
     library.repaintDownloads();
     seriesDetail.repaintDownloads();
+    movieDetail.repaintDownloads();
   };
   refreshQueuesBadge = () => {
     void queues.refreshBadge();
@@ -2294,6 +2295,8 @@ interface MovieView {
    * surface underneath repaints instead of listing something that is gone.
    */
   setRemoved: (handler: (parent: Route) => void) => void;
+  /** §9.8: repaint only while the page is open (issue #267). */
+  repaintDownloads: () => void;
 }
 
 /** The eligible bucket always shows; waived and rejected collapse to counts. */
@@ -2566,6 +2569,17 @@ function movieMain(views: HideableView[]): MovieView {
     if (movie.blocked) {
       chipsEl.append(chip(NO_TARGETED_SEARCH));
     }
+    // §9.8: the hero is the row that owns the item, same as the library row
+    const download = downloadChip("movie", movie.id);
+    if (download !== null) {
+      chipsEl.append(download);
+    }
+  }
+
+  function repaintDownloads() {
+    if (!view.hidden) {
+      paintIdentity();
+    }
   }
 
   function paintRootOptions() {
@@ -3143,6 +3157,7 @@ function movieMain(views: HideableView[]): MovieView {
     setRemoved: (handler: (parent: Route) => void) => {
       removed = handler;
     },
+    repaintDownloads,
   };
 }