Fix Baishi scan-query selector ambiguity and add password guard

- Scope the 扫描综合查询 click to .nav-level2-wrapper to avoid collision with the right-side tab of the same name
- Warn when config.yaml has no baishi.password before attempting export

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

site_baishi.py

@@ -16,8 +16,14 @@ def baishi_download_undelivered_data(page):
     try:
         # 1. 导航与页面加载
         print(">> 正在进入【扫描综合查询】界面...")
+        # 打开基础服务菜单面板
         page.locator("div.nav-level1", has_text="基础服务").click()
-        page.locator("li a", has_text="扫描综合查询").click()
+
+        # 【重要修复】：通过限制在菜单面板（nav-level2-wrapper）内查找，
+        # 完美避开页面右侧同名 Tab 标签页的干扰
+        page.locator(".nav-level2-wrapper").locator(
+            "a", has_text="扫描综合查询"
+        ).click()
 
         # 验证表格主界面加载完毕
         page.get_by_role("tab", name="实时扫描率").wait_for(state="visible")
@@ -49,6 +55,11 @@ def baishi_download_undelivered_data(page):
             with open("config.yaml", "r", encoding="utf-8") as f:
                 config = yaml.safe_load(f)
                 password = config.get("baishi", {}).get("password", "")
+
+            if not password:
+                print(
+                    "   ⚠️ 警告：在 config.yaml 中未找到百世的登录密码，可能导致导出失败。"
+                )
         except Exception as e:
             print(f"   ⚠️ 读取 config.yaml 失败，请确保文件存在且格式正确: {e}")
             return