fix: skip existing minio in production bootstrap

tools/deploy/production-bootstrap.sh

@@ -106,9 +106,13 @@ install_minio() {
     aarch64|arm64) arch="arm64" ;;
     *) echo "Unsupported MinIO architecture: $(uname -m)" >&2; exit 1 ;;
   esac
-  log "Installing MinIO for linux-${arch}"
-  curl -fL "https://dl.min.io/server/minio/release/linux-${arch}/minio" -o /usr/local/bin/minio
-  chmod +x /usr/local/bin/minio
+  if [[ -x /usr/local/bin/minio ]]; then
+    log "MinIO already installed"
+  else
+    log "Installing MinIO for linux-${arch}"
+    curl -fL "https://dl.min.io/server/minio/release/linux-${arch}/minio" -o /usr/local/bin/minio
+    chmod +x /usr/local/bin/minio
+  fi
   useradd --system --home /var/lib/minio --shell /usr/sbin/nologin minio 2>/dev/null || true
   mkdir -p /var/lib/minio
   chown -R minio:minio /var/lib/minio