Fix exe silent start: show activation window instead of hidden Tk parent.

Co-authored-by: Cursor <cursoragent@cursor.com>

desktop/gold_order_app.py

@@ -1472,14 +1472,10 @@ class OrderApp(tk.Tk):
 
 def main() -> None:
     enable_dpi_awareness()
-    # 先建隐藏根窗完成激活，再开主界面
-    boot = tk.Tk()
-    boot.withdraw()
+    # 激活窗自管可见性（勿对隐藏根窗挂 Toplevel，Windows 上会双击无界面）
     if ensure_activated is not None:
-        if not ensure_activated(boot):
-            boot.destroy()
+        if not ensure_activated():
             return
-    boot.destroy()
 
     app = OrderApp()
     if is_activated():
@@ -1495,4 +1491,23 @@ def main() -> None:
 
 
 if __name__ == "__main__":
-    main()
+    try:
+        main()
+    except Exception as exc:
+        try:
+            import traceback
+            from pathlib import Path
+
+            log = Path.home() / ".gold_monitor" / "crash.log"
+            log.parent.mkdir(parents=True, exist_ok=True)
+            log.write_text(traceback.format_exc(), encoding="utf-8")
+        except Exception:
+            pass
+        try:
+            root = tk.Tk()
+            root.withdraw()
+            messagebox.showerror("黄金市价辅助", f"启动失败：{exc}\n详情见 %USERPROFILE%\\.gold_monitor\\crash.log")
+            root.destroy()
+        except Exception:
+            pass
+        raise