Keep product migrate from crashing the API on large image copies.

PM2 was restarting at 512MB while Sharp cached buffers, which returned 502 to the migrate UI after categories had already succeeded.

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

ecosystem.config.js

@@ -9,7 +9,7 @@ module.exports = {
       env: {
         NODE_ENV: 'production',
       },
-      max_memory_restart: '512M',
+      max_memory_restart: '2G',
       time: true,
     },
   ],

src/business-admin/legacy-migrate.service.ts

@@ -19,6 +19,11 @@ import { StorageService } from '../storage/storage.service';
 import { PrismaService } from '../prisma/prisma.service';
 import { MigrateFromOldEntity } from './dto/migrate-from-old.dto';
 
+// Legacy product images are large; Sharp's default cache plus PM2's 512MB cap
+// was restarting the API mid-migrate (nginx 502, UI "Unable to migrate").
+sharp.cache(false);
+sharp.concurrency(1);
+
 export type MigrateEntityCounts = {
   created: number;
   skipped: number;
@@ -2482,6 +2487,7 @@ export class LegacyMigrateService {
         continue;
       }
 
+      try {
         const titleEn =
           (row.name_en ?? '').trim() || (row.name ?? '').trim() || 'Product';
         const nameFa = (row.name ?? '').trim() || null;
@@ -2620,6 +2626,21 @@ export class LegacyMigrateService {
         }
 
         created += 1;
+      } catch (err) {
+        console.error(
+          `Legacy migrate: product old id ${row.id} failed`,
+          err instanceof Error ? err.message : err,
+        );
+        skipped += 1;
+      }
+
+      if ((index + 1) % 25 === 0) {
+        const rssMb = Math.round(process.memoryUsage().rss / 1024 / 1024);
+        console.log(
+          `Legacy migrate: products ${index + 1}/${products.length} created=${created} skipped=${skipped} rss=${rssMb}MB`,
+        );
+        await new Promise((resolve) => setImmediate(resolve));
+      }
     }
 
     return {