R71-A4 澄清报销缺票提示并修复发票上传挂起

client/src/pages/ReimbursementDetailPage.tsx

@@ -578,6 +578,8 @@ export function ReimbursementDetailPage() {
   const precheckStandardChecks = reimbursementPrecheckQuery.data?.standardChecks ?? [];
   const blockStandardChecks = precheckStandardChecks.filter((item) => item.exceeded && item.controlMode === "block");
   const warnStandardChecks = precheckStandardChecks.filter((item) => item.exceeded && item.controlMode === "warn");
+  const missingInvoiceSubmitMessage = "提交前需先绑定至少 1 张发票，可在“关联票据”区域添加。";
+  const submitInvoiceNotice = canEditItems && detail.invoices.length < 1 ? missingInvoiceSubmitMessage : "";
   const selectedInvoiceEntries = Object.entries(selectedInvoices);
 
   const expenseTypes = expenseTypesQuery.data?.items ?? [];
@@ -627,6 +629,11 @@ export function ReimbursementDetailPage() {
 
     try {
       setActionError("");
+      if (detail.invoices.length < 1) {
+        setActionError(missingInvoiceSubmitMessage);
+        toast.error(missingInvoiceSubmitMessage);
+        return;
+      }
       const precheck = await precheckReimbursement(reimbursementId);
       const message = buildPrecheckDialogMessage(precheck);
 
@@ -1214,6 +1221,7 @@ export function ReimbursementDetailPage() {
             actionError={actionError}
             submitDisabled={blockStandardChecks.length > 0}
             submitHint={blockStandardChecks.length > 0 ? "请修改超标明细后提交" : ""}
+            submitNotice={submitInvoiceNotice}
             isPending={mutation.isPending}
             onSubmit={() => void handleSubmitAction()}
             onWithdraw={(comment) => mutation.mutate({ action: "withdraw", comment })}