fix:优化爬虫配置，单独使用docker容器运行

scripts/run-crawler-docker-standalone.sh

@@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+# 生产：仅用 Docker 跑爬虫，API 在宿主机（如 PM2）时使用。
+# 保证爬虫与 API 使用同一 SQLite 文件（数据对齐）。
+set -e
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+PROJECT_ROOT="${PROJECT_ROOT:-$(cd "$SCRIPT_DIR/.." && pwd)}"
+DB_FILE="${DB_FILE:-$PROJECT_ROOT/server/data.db}"
+API_BASE="${API_BASE:-http://host.docker.internal:3001}"
+CRAWLER_IMAGE="${CRAWLER_IMAGE:-usa-dashboard-crawler:latest}"
+CONTAINER_NAME="${CONTAINER_NAME:-usa-crawler}"
+
+# 可选：从 .env 加载 DASHSCOPE_API_KEY 等
+if [ -f "$PROJECT_ROOT/.env" ]; then
+  set -a
+  # shellcheck source=../.env
+  . "$PROJECT_ROOT/.env"
+  set +a
+fi
+
+# 宿主机 DB 必须存在（API 已初始化或先 seed）
+if [ ! -f "$DB_FILE" ]; then
+  echo "ERROR: DB file not found: $DB_FILE"
+  echo "  Create it first: DB_PATH=$DB_FILE node server/seed.js"
+  exit 1
+fi
+
+# Linux 下 Docker 默认无 host.docker.internal，需显式添加
+DOCKER_EXTRA=()
+if [ "$(uname -s)" = "Linux" ]; then
+  DOCKER_EXTRA+=(--add-host=host.docker.internal:host-gateway)
+fi
+
+# 若已存在同名容器则先删
+docker rm -f "$CONTAINER_NAME" 2>/dev/null || true
+
+echo "==> Starting crawler container (standalone)"
+echo "    DB:        $DB_FILE -> /data/data.db"
+echo "    API_BASE:  $API_BASE"
+echo "    Image:     $CRAWLER_IMAGE"
+docker run -d \
+  --name "$CONTAINER_NAME" \
+  --restart unless-stopped \
+  -p 8000:8000 \
+  -v "$DB_FILE:/data/data.db" \
+  -e DB_PATH=/data/data.db \
+  -e API_BASE="$API_BASE" \
+  -e GDELT_DISABLED=1 \
+  -e RSS_INTERVAL_SEC=60 \
+  ${DASHSCOPE_API_KEY:+ -e DASHSCOPE_API_KEY="$DASHSCOPE_API_KEY"} \
+  "${DOCKER_EXTRA[@]}" \
+  "$CRAWLER_IMAGE"
+
+echo "    Container: $CONTAINER_NAME"
+echo "    Logs:       docker logs -f $CONTAINER_NAME"
+echo "    Status:     curl -s http://localhost:8000/crawler/status | jq ."