feat(distribution): 独立分销前台商城多租户体系、货源与订单数据严格隔离

frontend/src/features/listings/api/listings.ts

@@ -106,6 +106,7 @@ export interface PublicListingQuery {
   max_daily_loss?: number
   min_secret_kd?: number
   max_secret_kd?: number
+  distribution_site_code?: string
   [key: `resource_${string}_min`]: number | undefined
   [key: `resource_${string}_max`]: number | undefined
 }
@@ -124,8 +125,13 @@ export async function fetchListings(query: PublicListingQuery = {}) {
 }
 
 export async function fetchListingsPage(query: PublicListingQuery = {}) {
+  const siteCode =
+    query.distribution_site_code ||
+    (typeof window !== 'undefined' ? localStorage.getItem('hfb_site_code') : '') ||
+    undefined
+  const effectiveQuery = siteCode ? { distribution_site_code: siteCode, ...query } : query
   const params = Object.fromEntries(
-    Object.entries(query).filter(
+    Object.entries(effectiveQuery).filter(
       ([, value]) => value !== '' && value !== undefined && value !== null
     )
   )