refactor(gui): 统一 Qt 控件变量命名风格为 PascalCase

将所有 self.xxx 形式的 Qt 控件属性名以及 Qt 对象局部变量由 snake_case
重命名为 PascalCase，提升代码可读性和一致性。涉及 14 个文件，涵盖：
- AutoScript 编排/编辑对话框子模块
- 配置/主窗口/用户树/座位图等核心界面组件
- 定时任务管理相关界面
- 状态标签/浏览器驱动下载对话框

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/gui/ALMainWindow.py

@@ -76,8 +76,8 @@ class ALMainWindow(MsgBase, QMainWindow, Ui_ALMainWindow):
         self
     ):
 
-        self.icon = QIcon(":/res/icons/AutoLibrary_Logo_64.svg")
-        self.setWindowIcon(self.icon)
+        self.Icon = QIcon(":/res/icons/AutoLibrary_Logo_64.svg")
+        self.setWindowIcon(self.Icon)
         self.MessageIOTextEdit.setFont(QFont("Courier New", 10))
         self.ManualAction.triggered.connect(self.onManualActionTriggered)
         self.AboutAction.triggered.connect(self.onAboutActionTriggered)
@@ -106,15 +106,15 @@ class ALMainWindow(MsgBase, QMainWindow, Ui_ALMainWindow):
         self
     ):
 
-        about_dialog = ALAboutDialog(self)
-        about_dialog.exec()
+        AboutDialog = ALAboutDialog(self)
+        AboutDialog.exec()
 
     def onManualActionTriggered(
         self
     ):
 
-        url = QUrl("https://www.autolibrary.kenanzhu.com/manuals")
-        QDesktopServices.openUrl(url)
+        Url = QUrl("https://www.autolibrary.kenanzhu.com/manuals")
+        QDesktopServices.openUrl(Url)
 
     def setupTray(
         self
@@ -123,7 +123,7 @@ class ALMainWindow(MsgBase, QMainWindow, Ui_ALMainWindow):
         if not QSystemTrayIcon.isSystemTrayAvailable():
             self._showTrace("操作系统不支持系统托盘功能, 无法创建系统托盘图标", self.TraceLevel.WARNING)
             return
-        self.TrayIcon = QSystemTrayIcon(self.icon, self)
+        self.TrayIcon = QSystemTrayIcon(self.Icon, self)
         self.TrayIcon.setToolTip("AutoLibrary")
 
         self.TrayMenu = QMenu()