R73-A3 优化轻交互 OCR 前端处理

client/src/api/errorMessages.ts

@@ -1,3 +1,5 @@
+import { formatInvoiceOcrFieldLabels } from "../lib/invoiceOcr";
+
 function readStringList(value: unknown): string[] {
   if (!Array.isArray(value)) {
     return [];
@@ -189,6 +191,14 @@ export function mapApiErrorMessage(
       return "当前环境未开启 OCR，请联系管理员或切换到 mock/tencent。";
     }
 
+    if (details?.ocr === "missing_required_fields") {
+      const labels = formatInvoiceOcrFieldLabels(readStringList(details?.missingFields));
+      if (labels.length) {
+        return `票据仍缺少关键字段：${labels.join("、")}，补齐后才能标记为可用。`;
+      }
+      return "票据仍缺少关键字段，补齐后才能标记为可用。";
+    }
+
 
     if (details?.verification === "disabled") {
       return "当前环境未开启发票验真。";