修复报销确认弹窗阻断恢复（08-30-b2-submit-error-ocr-fallback）

client/src/pages/MobileReimbursementDetailPage.tsx

@@ -436,9 +436,10 @@ export function MobileReimbursementDetailPage() {
     onError: (error) => {
       const message = resolveErrorMessage(error);
       const issues = parseReimbursementInvoiceGuardIssues(error);
+      setSubmitConfirmPrecheck(null);
       setActionError(message);
       setInvoiceGuardIssues(issues);
-      if (issues) focusFirstInvoiceGuardIssue();
+      if (issues) window.requestAnimationFrame(focusFirstInvoiceGuardIssue);
       toast.error(message);
     },
   });

client/src/pages/ReimbursementDetailPage.tsx

@@ -276,9 +276,10 @@ export function ReimbursementDetailPage() {
     onError: (error) => {
       const message = buildActionErrorMessage(error, "操作失败，请稍后重试");
       const issues = parseReimbursementInvoiceGuardIssues(error);
+      setSubmitConfirmPrecheck(null);
       setActionError(message);
       setInvoiceGuardIssues(issues);
-      if (issues) focusFirstInvoiceGuardIssue();
+      if (issues) window.requestAnimationFrame(focusFirstInvoiceGuardIssue);
       toast.error(message);
     },
   });