后台 3D 定价校验不再因缺段或缺子表整页崩掉

- apps/admin-web/src/pages/adminEditorGenerationPricing.ts：提交前校验对 3D 端点段做存在性判断，缺段直接跳过该段
- apps/admin-web/src/pages/adminEditorGenerationPricing.ts：versionPrices / addOnPrices 取值补 `?? {}` 兜底，接口返回残缺时降级为「校验不出问题」，不再抛异常白屏

apps/admin-web/src/pages/adminEditorGenerationPricing.ts

@@ -67,9 +67,13 @@ export function collectInvalidEditorGenerationPricingLabels(
   const model3d = pricing.model3d;
   if (model3d) {
     for (const { key, label } of EDITOR_MODEL3D_ENDPOINT_SECTIONS) {
+      // 段与子表都来自接口返回：缺段或缺子表时只跳过这一段，不能让整页校验崩掉。
       const endpointPricing = model3d[key];
+      if (!endpointPricing) {
+        continue;
+      }
       for (const [version, price] of Object.entries(
-        endpointPricing.versionPrices,
+        endpointPricing.versionPrices ?? {},
       )) {
         if (!isPositiveMudPoints(price.noTexture)) {
           labels.push(`${label} ${version} 无贴图`);
@@ -79,7 +83,7 @@ export function collectInvalidEditorGenerationPricingLabels(
         }
       }
       for (const [addOn, price] of Object.entries(
-        endpointPricing.addOnPrices,
+        endpointPricing.addOnPrices ?? {},
       )) {
         if (!isPositiveMudPoints(price)) {
           labels.push(`${label} ${editorModel3dAddOnLabel(addOn)}`);