feat(store): separate login phone from public contactPhone

Store.phone stays login/boss; contactPhone is C-end dial. Public store APIs keep phone compat via publicDial mapping.

Co-authored-by: Cursor <cursoragent@cursor.com>

server/dukang-api/src/common/compat/v31-compat.ts

@@ -44,11 +44,36 @@ export function mapOrderCompat<T extends OrderLike & {
   };
 }
 
-export function mapStoreCompat<T extends { coverResource?: { url?: string } | null }>(store: T) {
-  return {
+/** 对外联系电话；未单独配置时回退登录手机号 */
+export function resolveStoreContactPhone(store: {
+  phone?: string | null;
+  contactPhone?: string | null;
+}): string {
+  const contact = String(store.contactPhone ?? '').trim();
+  if (contact) return contact;
+  return String(store.phone ?? '').trim();
+}
+
+export function mapStoreCompat<
+  T extends {
+    coverResource?: { url?: string } | null;
+    phone?: string | null;
+    contactPhone?: string | null;
+  },
+>(store: T, opts?: { /** C 端：phone 字段对外可拨打号码 */ publicDial?: boolean }) {
+  const contactPhone = resolveStoreContactPhone(store) || null;
+  const mapped = {
     ...store,
     coverUrl: store.coverResource?.url ?? null,
+    contactPhone,
   };
+  if (opts?.publicDial) {
+    return {
+      ...mapped,
+      phone: contactPhone || store.phone || null,
+    };
+  }
+  return mapped;
 }
 
 export function mapStatusLogCompat(events: CommonEvent[]) {