FormCard 截图数量文案摊平嵌套三元

- 本地张数 / 整组沿用线上 / 还没有截图三态先算成 screenshotSummary
- 行为不变，去掉嵌套三元

apps/ai-game-creator-shell/src/view/project-development/export/tabs/taonier/FormCard.tsx

@@ -59,6 +59,13 @@ export function FormCard({
   const [screenshotImporterOpen, setScreenshotImporterOpen] = useState(false);
   const screenshotsFull =
     form.screenshotPaths.length >= MAX_AGC_GAME_SCREENSHOTS;
+  // 三态先摊平：有本地图 → 报张数；否则线上有可沿用的整组截图 → 沿用；否则还没截图。
+  let screenshotSummary = '还没有截图';
+  if (form.screenshotPaths.length > 0) {
+    screenshotSummary = `本地 ${form.screenshotPaths.length} 张`;
+  } else if (onlineScreenshotCount > 0) {
+    screenshotSummary = '整组沿用线上截图';
+  }
 
   return (
     <section
@@ -215,11 +222,7 @@ export function FormCard({
               游戏截图
             </span>
             <span className="text-xs text-(--platform-text-soft)">
-              {form.screenshotPaths.length > 0
-                ? `本地 ${form.screenshotPaths.length} 张`
-                : onlineScreenshotCount > 0
-                  ? '整组沿用线上截图'
-                  : '还没有截图'}
+              {screenshotSummary}
             </span>
           </div>
           {form.screenshotPaths.length > 0 ? (