style: normalize code formatting across the codebase

- Standardize quote style (single to double quotes)
- Improve code formatting consistency
- Apply formatting to utilities, GUI components, and tools
- Update imports and docstrings for consistency

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

tools/locator_helper.py

@@ -1,6 +1,7 @@
 """
 元素定位辅助工具 - 用于快速验证定位是否有效
 """
+
 from playwright.sync_api import Page, Frame, Locator
 
 
@@ -38,7 +39,9 @@ def debug_locator(frame: Frame, locator: Locator, timeout: int = 5000):
             try:
                 if element.is_visible(timeout=1000):
                     text = element.inner_text(timeout=1000)
-                    print(f"  元素{i + 1}文本: {text[:100] if len(text) > 100 else text}")
+                    print(
+                        f"  元素{i + 1}文本: {text[:100] if len(text) > 100 else text}"
+                    )
                 else:
                     print(f"  元素{i + 1}: 存在但不可见")
             except:
@@ -53,7 +56,9 @@ def debug_locator(frame: Frame, locator: Locator, timeout: int = 5000):
         return False
 
 
-def try_multiple_locators(frame: Frame, selectors: list[str], timeout: int = 5000) -> Locator:
+def try_multiple_locators(
+    frame: Frame, selectors: list[str], timeout: int = 5000
+) -> Locator:
     """
     尝试多个选择器，返回第一个有效的定位器
 
@@ -73,7 +78,9 @@ def try_multiple_locators(frame: Frame, selectors: list[str], timeout: int = 500
         try:
             locator = frame.locator(selector)
             count = locator.count()
-            visible_count = sum(1 for j in range(count) if locator.nth(j).is_visible(timeout=1000))
+            visible_count = sum(
+                1 for j in range(count) if locator.nth(j).is_visible(timeout=1000)
+            )
 
             print(f"    找到 {count} 个元素，其中 {visible_count} 个可见")
 
@@ -101,7 +108,7 @@ def interactive_locate(frame: Frame):
             selector = input("\n>>> ")
             selector = selector.strip()
 
-            if selector.lower() in ('q', 'quit'):
+            if selector.lower() in ("q", "quit"):
                 break
 
             if not selector:
@@ -128,7 +135,9 @@ if __name__ == "__main__":
         page = context.new_page()
 
         # 登录
-        page.goto("https://68.11.34.30:8082/yonbip/resources/uap/rbac/login/main/index.html")
+        page.goto(
+            "https://68.11.34.30:8082/yonbip/resources/uap/rbac/login/main/index.html"
+        )
         main_frame = page.locator("#forwardFrame").content_frame
         main_frame.get_by_role("textbox", name="用户名").fill("BLDpengqiangqiang")
         main_frame.get_by_role("textbox", name="密码").fill("Cqbld123456.")
@@ -158,10 +167,10 @@ if __name__ == "__main__":
 
             # 询问是否继续
             choice = input("\n是否继续下一轮调试？(y/n/q): ").strip().lower()
-            if choice in ('n', 'q', 'quit'):
+            if choice in ("n", "q", "quit"):
                 print("退出程序")
                 break
-            elif choice in ('y', ''):  # 默认继续
+            elif choice in ("y", ""):  # 默认继续
                 continue
             else:
                 print("未知选项，退出程序")