feat(distribution): 分站品牌装修可配置首页入口并上传图片

分站可单独配置回收、合作反馈和客服二维码，未配置时继承主站；Logo、图标和轮播支持直接上传。

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

distribution-admin/src/api.ts

@@ -127,6 +127,8 @@ export interface Site {
   banners_json?: string
   announcements_json?: string
   footer_info_json?: string
+  aw_recycle_json?: string
+  cooperation_feedback_json?: string
   listing_qrcode_url?: string
   receive_ratio_delta?: number
   receive_cost_delta?: number
@@ -646,6 +648,19 @@ export interface SiteBrandingPayload {
   banners_json?: string
   announcements_json?: string
   footer_info_json?: string
+  aw_recycle_json?: string
+  cooperation_feedback_json?: string
+  listing_qrcode_url?: string
+}
+
+export async function uploadSiteImage(file: File, scene: string): Promise<string> {
+  const form = new FormData()
+  form.append('file', file)
+  form.append('scene', scene)
+  const resp = await api.post<ApiResponse<{ url: string }>>('/admin/files/upload', form, {
+    headers: { 'Content-Type': 'multipart/form-data' },
+  })
+  return extract(resp).url
 }
 
 export async function updateSiteBranding(siteID: number, payload: SiteBrandingPayload): Promise<Site> {