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/ALSeatMapView.py

@@ -103,15 +103,15 @@ class ALSeatMapView(QGraphicsView):
             seats_number = [seat.strip() for seat in row.split(",")]
             for seat_number in seats_number:
                 if seat_number:
-                    seat_widget = ALSeatFrame(seat_number)
-                    seat_widget.clicked.connect(self.onSeatClicked)
-                    self.SeatsContainerLayout.addWidget(seat_widget, row_idx, col_idx)
-                    self.__seat_frames[seat_number] = seat_widget
+                    SeatWidget = ALSeatFrame(seat_number)
+                    SeatWidget.clicked.connect(self.onSeatClicked)
+                    self.SeatsContainerLayout.addWidget(SeatWidget, row_idx, col_idx)
+                    self.__seat_frames[seat_number] = SeatWidget
                 else:
-                    spacer = QFrame()
-                    spacer.setFixedSize(20, 30)
-                    spacer.setStyleSheet("background-color: transparent; border: none;")
-                    self.SeatsContainerLayout.addWidget(spacer, row_idx, col_idx)
+                    Spacer = QFrame()
+                    Spacer.setFixedSize(20, 30)
+                    Spacer.setStyleSheet("background-color: transparent; border: none;")
+                    self.SeatsContainerLayout.addWidget(Spacer, row_idx, col_idx)
                 col_idx += 1
         self.SeatsContainerLayout.setSpacing(20)
         self.SeatsContainerLayout.setContentsMargins(20, 20, 20, 20)