feat(mini-user): v3.5.10 同城配送提示可配置并支持换行

承运商 HTML 按收货市下发；textarea 回车在 C 端转成换行。含门店去掉分享按钮与小程序企微客服。

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

server/dukang-api/src/modules/ops/dto/admin-mutate.dto.ts

@@ -797,6 +797,11 @@ export class CreateFulfillmentProviderDto {
     boxBottles?: number;
     boxFee?: number;
   } | null;
+
+  @IsOptional()
+  @IsString()
+  @MaxLength(2000)
+  deliveryHintHtml?: string | null;
 }
 
 export class UpdateFulfillmentProviderDto {
@@ -859,6 +864,11 @@ export class UpdateFulfillmentProviderDto {
     boxBottles?: number;
     boxFee?: number;
   } | null;
+
+  @IsOptional()
+  @IsString()
+  @MaxLength(2000)
+  deliveryHintHtml?: string | null;
 }
 
 export class RechargeFulfillmentProviderDto {