feat: order revision, rial wage from variant, product tags; drop user-app-v2

Admin order edit with category chips and timeline; customer checkout charges variant rialWage; product tags; retire the unused user-app-v2 tree.

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

docker-compose.yml

@@ -138,17 +138,6 @@ services:
     depends_on:
       - api
 
-  # Same copy-only nginx pattern as user-app; map a separate Dokploy domain to this service.
-  user-app-v2:
-    build:
-      context: ./apps/user-app-v2
-      dockerfile: Dockerfile
-    expose:
-      - "80"
-    restart: unless-stopped
-    depends_on:
-      - api
-
 volumes:
   postgres_data:
   api_uploads: