失败弹窗的 agent 按钮改成早返回式赋值

xiaohongshu/FailureDialog.tsx：嵌套三元改成 if 块，保持「文案与 handler 一起定」不变。

apps/ai-game-creator-shell/src/view/project-development/export/tabs/xiaohongshu/FailureDialog.tsx

@@ -39,13 +39,16 @@ export function FailureDialog({
 }) {
   const repairability = failure ? classifyXhsMinitoolFailure(failure) : null;
   // 文案与点击处理一起定：只存一句中文再按它反查 handler 的话，改文案就会静默接错动作。
-  const agentAction =
-    !failure ||
-    repairability === XhsMinitoolFailureRepairability.OnlyHumanRepairable
-      ? null
-      : failure.type === 'buildScriptMissing'
+  let agentAction: { label: string; onClick: () => void } | null = null;
+  if (
+    failure &&
+    repairability !== XhsMinitoolFailureRepairability.OnlyHumanRepairable
+  ) {
+    agentAction =
+      failure.type === 'buildScriptMissing'
         ? { label: '让陶泥儿帮我调通', onClick: onAdapt }
         : { label: '让陶泥儿来修', onClick: onRepair };
+  }
 
   return (
     <ThemedModal