feat(materials): show save progress overlay while optimizing images

Block the editor with a spinner and percent stages during material upsert so long image optimization is visible and non-interactive.

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

app/main/project/zipStore.ts

@@ -1117,11 +1117,17 @@ export class ZipProjectStore {
    * Создаёт или обновляет материал кампании.
    * При создании `filePath` обязателен; при обновлении можно сменить только имя или только картинку.
    */
-  async upsertMaterial(input: {
-    materialId?: MaterialId;
-    name: string;
-    filePath?: string;
-  }): Promise<Project> {
+  async upsertMaterial(
+    input: {
+      materialId?: MaterialId;
+      name: string;
+      filePath?: string;
+    },
+    onProgress?: (p: { percent: number; stage: string; detail?: string }) => void,
+  ): Promise<Project> {
+    const report = (percent: number, stage: string, detail?: string) => {
+      onProgress?.({ percent, stage, ...(detail ? { detail } : {}) });
+    };
     const open = this.openProject;
     if (!open) throw new Error('No open project');
     const name = input.name.trim();
@@ -1133,6 +1139,8 @@ export class ZipProjectStore {
       throw new Error('Material name already exists');
     }
 
+    report(2, 'start', 'Подождите…');
+
     let nextAssetId: AssetId | null = null;
     let stagedAsset: MediaAsset | null = null;
     if (input.filePath) {
@@ -1142,13 +1150,16 @@ export class ZipProjectStore {
       if (!['.png', '.jpg', '.jpeg', '.webp'].includes(ext)) {
         throw new Error('Material must be an image (png/jpg/webp)');
       }
+      report(8, 'read', 'Чтение изображения…');
       let buf = await fs.readFile(input.filePath);
+      report(18, 'optimize', 'Оптимизация изображения…');
       try {
         const opt = await optimizeImageBufferVisuallyLossless(buf);
         if (opt.buffer && opt.buffer.length > 0) buf = Buffer.from(opt.buffer);
       } catch {
         // keep original buffer
       }
+      report(72, 'write', 'Сохранение файла…');
       const sha256 = crypto.createHash('sha256').update(buf).digest('hex');
       const id = asAssetId(this.randomId());
       const orig = path.basename(input.filePath);
@@ -1161,6 +1172,7 @@ export class ZipProjectStore {
       nextAssetId = id;
     }
 
+    report(88, 'project', 'Обновление проекта…');
     await this.updateProject((p) => {
       const materials = [...(p.materials ?? [])];
       const assets = { ...p.assets };
@@ -1192,6 +1204,7 @@ export class ZipProjectStore {
 
     const latest = this.getOpenProject();
     if (!latest) throw new Error('No open project');
+    report(100, 'done', 'Готово');
     return latest;
   }