chore: release client-v1.0.70

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01YZ4DskSRKsSiheQonFtQvx

client/lib/widgets/order_row_actions.dart

@@ -24,7 +24,7 @@ List<Widget> buildOrderRowActions({
   required VoidCallback onApprove,
   required VoidCallback onReject,
   required VoidCallback onWithdraw,
-  bool isAdmin = false,
+  bool canWithdraw = false,
   List<Widget> afterPrint = const [],
 }) {
   TextButton btn(String text, Color color, VoidCallback onPressed, {Key? key}) =>
@@ -51,10 +51,10 @@ List<Widget> buildOrderRowActions({
       WriteGuard(
           child: btn('拒绝', AppTheme.danger, onReject,
               key: Key('btn_reject_$orderId'))),
-      // 撤回（审核中→草稿）仅管理员可见
-      if (isAdmin)
+      // 撤回（审核中→草稿）：管理员/超管任意单、操作员本人单可见，用 warn 样式
+      if (canWithdraw)
         WriteGuard(
-            child: btn('撤回', AppTheme.accent, onWithdraw,
+            child: btn('撤回', AppTheme.warning, onWithdraw,
                 key: Key('btn_withdraw_$orderId'))),
     ],
   ];