fix: Playwright API camelCase → snake_case (Python 版)

- getByPlaceholder → get_by_placeholder
- getByRole → get_by_role
- getByText → get_by_text
- getByTestId → get_by_test_id

tests/web/pages/components/navbar.py

@@ -21,7 +21,7 @@ class NavBar(BasePage):
         super().__init__(page)
         # ⚠️ 以下定位器需要根据实际 DOM 调整
         self.sidebar = page.locator(".ant-layout-sider")
-        self.logout_btn = page.getByText("退出登录")
+        self.logout_btn = page.get_by_text("退出登录")
 
     def go_to(self, menu_name: str) -> None:
         """点击侧边栏菜单项展开/跳转。
@@ -29,7 +29,7 @@ class NavBar(BasePage):
         Args:
             menu_name: 菜单名称文本（如 "运输管理"、"基础信息"）
         """
-        menu_item = self.page.getByText(menu_name).first
+        menu_item = self.page.get_by_text(menu_name).first
         self.click_when_ready(menu_item)
 
     def go_to_submenu(self, parent_menu: str, sub_menu: str) -> None:
@@ -40,7 +40,7 @@ class NavBar(BasePage):
             sub_menu: 子菜单文本（如 "运单管理"）
         """
         self.go_to(parent_menu)
-        sub_item = self.page.getByText(sub_menu).first
+        sub_item = self.page.get_by_text(sub_menu).first
         self.click_when_ready(sub_item)
 
     def logout(self) -> None: