Refactor the cron job functionality to transition from a crawling to a searching model. Update related documentation and scripts to reflect the new terminology and functionality, including changes in the README and script comments. Enhance WeChat menu and message handling to support the new search features, ensuring clarity in user interactions and logging.

run_cron_crawl.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
-# 定时爬取脚本启动器
-# 用于启动广西政府采购网公告定时爬取任务
+# 定时搜索脚本启动器
+# 用于启动广西政府采购网公告定时搜索任务
 # 自动激活项目虚拟环境并运行Python脚本
 
 # 设置脚本遇到错误时退出
@@ -11,7 +11,7 @@ SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 PROJECT_ROOT="$SCRIPT_DIR"
 
 echo "========================================"
-echo "🕒 广西政府采购网公告定时爬取任务"
+echo "🕒 广西政府采购网公告定时搜索任务"
 echo "📂 项目目录: $PROJECT_ROOT"
 echo "⏰ 开始时间: $(date '+%Y-%m-%d %H:%M:%S')"
 echo "========================================"
@@ -66,7 +66,7 @@ if [ ! -f "$CRON_SCRIPT" ]; then
 fi
 
 echo "✅ 环境检查通过"
-echo "🚀 启动定时爬取脚本..."
+echo "🚀 启动定时搜索脚本..."
 
 # 切换到项目根目录
 cd "$PROJECT_ROOT"