实现报销材料连续预览（07-27-yang-jun-reimbursement-readiness）

client/src/lib/invoiceStatus.ts

@@ -7,6 +7,8 @@ type InvoiceDisplayLike = {
   invoiceNumber?: string | null;
   invoiceDate?: string | null;
   sellerName?: string | null;
+  buyerName?: string | null;
+  documentCategory?: string | null;
   originalName?: string | null;
   unavailableReason?: string | null;
   unavailableMessage?: string | null;
@@ -18,6 +20,26 @@ type InvoiceDisplayLike = {
   ocrLastError?: string | null;
 };
 
+const INVOICE_CATEGORY_LABELS: Record<string, string> = {
+  vat_invoice: "增值税发票",
+  full_vat_invoice: "数电发票",
+  electronic_train_ticket: "电子火车票",
+};
+
+export function resolveInvoiceTypeLabel(invoice: InvoiceDisplayLike | null | undefined) {
+  return invoice?.documentCategory && INVOICE_CATEGORY_LABELS[invoice.documentCategory]
+    ? INVOICE_CATEGORY_LABELS[invoice.documentCategory]
+    : "发票";
+}
+
+export function resolveInvoicePartyText(invoice: InvoiceDisplayLike | null | undefined) {
+  if (!invoice) return "";
+  if (invoice.documentCategory === "electronic_train_ticket") {
+    return invoice.buyerName ? `购买方：${invoice.buyerName}` : "";
+  }
+  return invoice.sellerName ? `销售方：${invoice.sellerName}` : "";
+}
+
 const INVOICE_STATUS_LABELS: Record<InvoicePoolStatus, string> = {
   pending_ocr: "识别中",
   ocr_failed: "识别失败",
@@ -37,11 +59,16 @@ export function formatInvoiceDisplayTitle(invoice: InvoiceDisplayLike | null | u
     return "未识别发票";
   }
 
-  if (invoice.invoiceCode || invoice.invoiceNumber) {
-    return `${invoice.invoiceCode || "无代码"}-${invoice.invoiceNumber || "无号码"}`;
+  const typeLabel = resolveInvoiceTypeLabel(invoice);
+  if (invoice.invoiceCode && invoice.invoiceNumber) {
+    return `${typeLabel} · ${invoice.invoiceCode}-${invoice.invoiceNumber}`;
   }
 
-  return invoice.sellerName || invoice.originalName || "未识别发票";
+  if (invoice.invoiceNumber || invoice.invoiceCode) {
+    return `${typeLabel} · ${invoice.invoiceNumber || invoice.invoiceCode}`;
+  }
+
+  return invoice.sellerName || invoice.originalName || typeLabel;
 }
 
 function looksLikeMachineMessage(message: string) {

client/src/lib/wecomFilePreview.ts

@@ -24,7 +24,7 @@ async function configuredWecomSdk() {
         }
         ww.register({
           corpId: config.corpId,
-          jsApiList: ["previewFile"],
+          jsApiList: ["previewFile", "previewImage"],
           async getConfigSignature(url) {
             const signed = await fetchWecomJsSdkSignature(url || currentPageUrl());
             return {
@@ -58,6 +58,19 @@ export async function previewFileInWecom(file: NativePreviewFile) {
   return true;
 }
 
+export async function previewImagesInWecom(urls: string[], current = urls[0]) {
+  if (!isWecomWebView()) {
+    return false;
+  }
+  const normalized = urls.map((url) => url.trim()).filter(Boolean);
+  if (!normalized.length || !current || !normalized.includes(current)) {
+    throw new Error("图片预览信息不完整");
+  }
+  const ww = await configuredWecomSdk();
+  await ww.previewImage({ current, urls: normalized });
+  return true;
+}
+
 export function openFileInBrowser(url: string) {
   window.open(url, "_blank", "noopener,noreferrer");
 }