install: show wait progress, shorten OCR health wait, log to file.

deploy/install.sh

@@ -212,7 +212,7 @@ setup_ocr_gpu() {
   fi
   install_ocr_worker
   start_ocr_screen
-  wait_ocr_healthy || log_warn "OCR 仍在加载模型，稍后可执行: bash ${INSTALL_DIR}/deploy/ocr-screen.sh status"
+  wait_ocr_healthy 30 || log_warn "OCR 后台加载中，继续安装主程序…"
 }
 
 stop_legacy_pm2() {
@@ -240,13 +240,18 @@ start_service() {
 
 wait_healthy() {
   local i
+  log_info "等待主程序就绪（最多 2 分钟）…"
   for i in $(seq 1 40); do
     if curl -sf "http://127.0.0.1:${WEB_PORT}/api/health" >/dev/null; then
       log_info "主程序健康检查通过"
       return 0
     fi
+    if (( i % 5 == 0 )); then
+      echo -ne "\r${YELLOW}[INFO]${NC} 等待主程序… ${i}/40"
+    fi
     sleep 3
   done
+  echo ""
   log_warn "主程序健康检查超时: journalctl -u grade-archive -f"
 }