OCR Worker: add check and systemd install scripts.

deploy/ocr-worker/install-service.sh

@@ -0,0 +1,53 @@
+#!/usr/bin/env bash
+# 注册 OCR Worker 为 systemd 服务（后台常驻）
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "$0")" && pwd)"
+PORT="${OCR_PORT:-23567}"
+
+if [[ "${EUID:-$(id -u)}" -ne 0 ]]; then
+  echo "请使用 root 运行: sudo bash install-service.sh"
+  exit 1
+fi
+
+if [[ ! -d "${ROOT}/.venv" ]]; then
+  echo "请先运行: bash ${ROOT}/install.sh"
+  exit 1
+fi
+
+chmod +x "${ROOT}/start.sh" "${ROOT}/check.sh" "${ROOT}/install.sh"
+
+cat > /etc/systemd/system/ocr-worker.service <<EOF
+[Unit]
+Description=Grade Archive OCR Worker (PaddleOCR)
+After=network.target
+
+[Service]
+Type=simple
+WorkingDirectory=${ROOT}
+Environment=OCR_USE_GPU=true
+Environment=OCR_PORT=${PORT}
+Environment=OCR_HOST=0.0.0.0
+ExecStart=${ROOT}/.venv/bin/uvicorn app:app --host 0.0.0.0 --port ${PORT} --log-level info
+Restart=on-failure
+RestartSec=5
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+systemctl daemon-reload
+systemctl enable ocr-worker
+systemctl restart ocr-worker
+
+sleep 2
+echo ""
+echo "==> 服务状态:"
+systemctl status ocr-worker --no-pager -l | head -20
+
+echo ""
+echo "==> 健康检查:"
+curl -sS "http://127.0.0.1:${PORT}/health" || echo "（尚未就绪，请稍等 30 秒后重试: bash check.sh）"
+echo ""
+echo "局域网地址: http://$(hostname -I 2>/dev/null | awk '{print $1}'):${PORT}"
+echo "成绩档案系统设置 OCR 地址填: http://192.168.8.6:${PORT}  （按实际 IP 修改）"