Fix: admin script path - use backend directory instead of /tmp

deploy.sh

@@ -291,7 +291,7 @@ setup_admin_user() {
     # Create admin user using Node.js
     cd "${INSTALL_DIR}/backend"
     
-    cat > /tmp/create_admin.js << EOF
+    cat > "${INSTALL_DIR}/backend/create_admin_temp.js" << EOF
 const bcrypt = require('bcrypt');
 const { sequelize } = require('./src/config/database');
 const AdminUser = require('./src/models/AdminUser');
@@ -318,8 +318,9 @@ const AdminUser = require('./src/models/AdminUser');
 })();
 EOF
     
-    node /tmp/create_admin.js
-    rm -f /tmp/create_admin.js
+    cd "${INSTALL_DIR}/backend"
+    node create_admin_temp.js
+    rm -f create_admin_temp.js
     
     print_success "Admin kullanıcısı oluşturuldu: ${ADMIN_USERNAME}"
     echo ""