chore: rebrand display name for T-537

app/gui/__init__.py

@@ -32,7 +32,7 @@ if QT_IMPORT_ERROR is None:
 else:
     class MainWindow(QMainWindow):
         def __init__(self):
-            raise RuntimeError("PySide6 未安装，无法启动 GUI")
+            raise RuntimeError("蝦皮圈優化助手 GUI 无法启动：当前 Python 环境未安装 PySide6。")
 
 
 def _ensure_offscreen_for_headless_tests():
@@ -42,10 +42,10 @@ def _ensure_offscreen_for_headless_tests():
 
 def main() -> int:
     if QT_IMPORT_ERROR is not None:
-        print("cmshopee GUI 无法启动：当前 Python 环境未安装 PySide6。")
+        print("蝦皮圈優化助手 GUI 无法启动：当前 Python 环境未安装 PySide6。")
         return 1
     _ensure_offscreen_for_headless_tests()
     app = QApplication.instance() or QApplication(sys.argv)
     window = MainWindow()
     window.show()
-    return app.exec()
+    return app.exec()