fix: server-update ищет корень репо (в т.ч. /opt/shop/shop10)

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

deploy/shop.service

@@ -7,8 +7,9 @@ Wants=postgresql.service
 Type=simple
 User=www-data
 Group=www-data
-WorkingDirectory=/opt/shop
-EnvironmentFile=/opt/shop/.env
+# Путь к клону (package.json): /opt/shop или /opt/shop/shop10
+WorkingDirectory=/opt/shop/shop10
+EnvironmentFile=/opt/shop/shop10/.env
 # Дождаться PostgreSQL (запуск от root, +)
 ExecStartPre=+/bin/bash -c 'for i in $(seq 1 60); do pg_isready -h 127.0.0.1 -p 5432 -q && exit 0; sleep 1; done; echo "PostgreSQL не отвечает на 127.0.0.1:5432"; exit 1'
 ExecStart=/usr/bin/node src/server.js