feat(editor): highlight edges and show preview import loader

- Highlight all edges connected to selected scene

- Show overlay spinner while uploading/optimizing preview image

- macOS: keep control window independent from presentation

Made-with: Cursor

app/main/windows/createWindows.ts

@@ -279,7 +279,9 @@ export function openMultiWindow() {
     presentation.maximize();
   }
   if (!windows.has('control')) {
-    createWindow('control', { parent: presentation });
+    // macOS: parent-child window binding moves child with the parent (unlike Windows behavior we want).
+    // Keep control window independent on darwin.
+    createWindow('control', process.platform === 'darwin' ? undefined : { parent: presentation });
   }
 }
 

app/renderer/editor/EditorApp.module.css

@@ -462,6 +462,46 @@
   display: flex;
   align-items: center;
   justify-content: center;
+  position: relative;
+}
+
+.previewBusyOverlay {
+  position: absolute;
+  inset: 0;
+  background: rgba(0, 0, 0, 0.55);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 12px;
+}
+
+.previewBusyModal {
+  display: grid;
+  justify-items: center;
+  gap: 10px;
+  color: var(--text1);
+  text-align: center;
+}
+
+.previewBusyText {
+  font-size: var(--text-xs);
+  font-weight: 700;
+  color: rgba(255, 255, 255, 0.92);
+}
+
+.previewSpinner {
+  width: 26px;
+  height: 26px;
+  border-radius: 999px;
+  border: 3px solid rgba(255, 255, 255, 0.25);
+  border-top-color: rgba(255, 255, 255, 0.9);
+  animation: previewSpin 0.9s linear infinite;
+}
+
+@keyframes previewSpin {
+  to {
+    transform: rotate(360deg);
+  }
 }
 
 .videoCover {

app/renderer/editor/EditorApp.tsx

@@ -64,6 +64,7 @@ export function EditorApp() {
   const [settingsMenuOpen, setSettingsMenuOpen] = useState(false);
   const [renameOpen, setRenameOpen] = useState(false);
   const [exportModalOpen, setExportModalOpen] = useState(false);
+  const [previewBusy, setPreviewBusy] = useState(false);
   const [licenseSnap, setLicenseSnap] = useState<LicenseSnapshot | null>(null);
   const [licenseKeyModalOpen, setLicenseKeyModalOpen] = useState(false);
   const [eulaModalOpen, setEulaModalOpen] = useState(false);
@@ -480,6 +481,7 @@ export function EditorApp() {
                           previewAssetType={sc?.previewAssetType ?? null}
                           previewVideoAutostart={sc?.previewVideoAutostart ?? false}
                           previewRotationDeg={sc?.previewRotationDeg ?? 0}
+                          previewBusy={previewBusy}
                           mediaAssets={sceneMediaAssets}
                           audioRefs={sceneAudioRefs}
                           onAudioRefsChange={(next) =>
@@ -492,7 +494,18 @@ export function EditorApp() {
                           onDescriptionChange={(description) =>
                             void actions.updateScene(sid, { description })
                           }
-                          onImportPreview={() => void actions.importScenePreview(sid)}
+                          onImportPreview={() => {
+                            setPreviewBusy(true);
+                            void (async () => {
+                              try {
+                                await actions.importScenePreview(sid);
+                              } catch (e) {
+                                window.alert(e instanceof Error ? e.message : String(e));
+                              } finally {
+                                setPreviewBusy(false);
+                              }
+                            })();
+                          }}
                           onClearPreview={() => void actions.clearScenePreview(sid)}
                           onRotatePreview={(previewRotationDeg) =>
                             void actions.updateScene(sid, { previewRotationDeg })
@@ -1040,6 +1053,7 @@ type SceneInspectorProps = {
   previewAssetType: 'image' | 'video' | null;
   previewVideoAutostart: boolean;
   previewRotationDeg: 0 | 90 | 180 | 270;
+  previewBusy: boolean;
   mediaAssets: MediaAsset[];
   audioRefs: SceneAudioRef[];
   onAudioRefsChange: (next: SceneAudioRef[]) => void;
@@ -1145,6 +1159,7 @@ function SceneInspector({
   previewAssetType,
   previewVideoAutostart,
   previewRotationDeg,
+  previewBusy,
   mediaAssets,
   audioRefs,
   onAudioRefsChange,
@@ -1188,6 +1203,14 @@ function SceneInspector({
         ) : (
           <div className={styles.previewEmpty}>Превью не задано</div>
         )}
+        {previewBusy ? (
+          <div className={styles.previewBusyOverlay} aria-live="polite">
+            <div className={styles.previewBusyModal}>
+              <div className={styles.previewSpinner} aria-hidden />
+              <div className={styles.previewBusyText}>Загрузка и оптимизация изображения…</div>
+            </div>
+          </div>
+        ) : null}
       </div>
       <div className={styles.actionsRow}>
         <Button variant="primary" onClick={onImportPreview}>

app/renderer/editor/graph/SceneGraph.module.css

@@ -20,8 +20,10 @@
 }
 
 .cardActive {
-  border-color: var(--graph-node-active-border);
-  box-shadow: 0 25px 50px -12px rgba(139, 92, 246, 0.1);
+  border-color: rgba(167, 139, 250, 0.95);
+  box-shadow:
+    0 0 0 2px rgba(167, 139, 250, 0.35),
+    0 25px 50px -12px rgba(167, 139, 250, 0.12);
 }
 
 .previewShell {

app/renderer/editor/graph/SceneGraph.tsx

@@ -365,16 +365,36 @@ function SceneGraphCanvas({
   }, [currentSceneId, sceneCardById, sceneGraphNodes]);
 
   const desiredEdges = useMemo<Edge[]>(() => {
+    const selectedGraphNodeIds = new Set<GraphNodeId>();
+    if (currentSceneId) {
+      for (const gn of sceneGraphNodes) {
+        if (gn.sceneId === currentSceneId) selectedGraphNodeIds.add(gn.id);
+      }
+    }
+    const hasSelection = selectedGraphNodeIds.size > 0;
     return sceneGraphEdges.map((e) => ({
+      ...(hasSelection
+        ? {
+            style:
+              selectedGraphNodeIds.has(e.sourceGraphNodeId) || selectedGraphNodeIds.has(e.targetGraphNodeId)
+                ? { stroke: 'rgba(167,139,250,0.95)', strokeWidth: 3 }
+                : { stroke: 'rgba(255,255,255,0.10)', strokeWidth: 2 },
+            markerEnd:
+              selectedGraphNodeIds.has(e.sourceGraphNodeId) || selectedGraphNodeIds.has(e.targetGraphNodeId)
+                ? { type: MarkerType.ArrowClosed, color: 'rgba(167,139,250,0.95)', strokeWidth: 2 }
+                : { type: MarkerType.ArrowClosed, color: 'rgba(255,255,255,0.18)', strokeWidth: 2 },
+          }
+        : {
+            style: { stroke: 'rgba(167,139,250,0.55)', strokeWidth: 2 },
+            markerEnd: { type: MarkerType.ArrowClosed, color: 'rgba(167,139,250,0.85)', strokeWidth: 2 },
+          }),
       id: e.id,
       source: e.sourceGraphNodeId,
       target: e.targetGraphNodeId,
       type: 'smoothstep',
       animated: false,
-      style: { stroke: 'rgba(167,139,250,0.55)', strokeWidth: 2 },
-      markerEnd: { type: MarkerType.ArrowClosed, color: 'rgba(167,139,250,0.85)', strokeWidth: 2 },
     }));
-  }, [sceneGraphEdges]);
+  }, [currentSceneId, sceneGraphEdges, sceneGraphNodes]);
 
   const [nodes, setNodes, onNodesChange] = useNodesState<Node<SceneCardData>>([]);
   const [edges, setEdges, onEdgesChange] = useEdgesState<Edge>([]);