feat: multi-material overlays, presentation guides, and release prebuilds

Align control/presentation with presentation screen rect and darkness z-order; sync window titles and session window cleanup. Pack Win/Mac/Linux with npmRebuild disabled and release-native-prep for classic-level and sharp.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/renderer/sceneEditor/SceneEditorApp.tsx

@@ -25,6 +25,8 @@ import {
 import { sceneViewPanBy, sceneViewZoomAt } from '../../shared/types/sceneView';
 import editorStyles from '../editor/EditorApp.module.css';
 import { getDndApi } from '../shared/dndApi';
+import { EllipsisText } from '../shared/ui/EllipsisText';
+import ellipsisStyles from '../shared/ui/ellipsisText.module.css';
 import { SceneGridOverlay } from '../shared/grid/SceneGridOverlay';
 import { RotatedImage } from '../shared/RotatedImage';
 import { useAppTokens } from '../shared/tokens/useAppTokens';
@@ -318,11 +320,15 @@ export function SceneEditorApp() {
   return (
     <div className={styles.page}>
       <aside className={styles.sidebar}>
-        <div className={styles.sideTitle}>{scene?.title ?? 'Сцена'}</div>
+        <EllipsisText
+          text={scene?.title ?? 'Сцена'}
+          className={[styles.sideTitle, ellipsisStyles.root].join(' ')}
+        />
         <div className={styles.hint}>
           Колесо — зум. СКМ / Space+ЛКМ — пан. Delete — удалить выбранное.
         </div>
 
+        <div className={styles.accordionScroll}>
         <div className={styles.accordion}>
           <button type="button" className={styles.accordionHead} onClick={() => setGridOpen((v) => !v)}>
             Сетка {gridOpen ? '▾' : '▸'}
@@ -461,6 +467,7 @@ export function SceneEditorApp() {
             Очистить сцену
           </Button>
         </div>
+        </div>
       </aside>
 
       <div className={styles.stage}>