修复：平台后台显示用户地址和坐标

仅在已授权的用户地址列表与详情接口恢复真实地址、经度和纬度。前端增加六位小数、未填写提示及编辑回填，并同步安全规范、项目文档和操作日志。

backend/api/internal/logic/platform/user/relation.go

@@ -1,3 +1,5 @@
+// 功能描述：实现平台总后台的用户地址与服务关系管理。
+// 版本：v1.1
 package user
 
 import (
@@ -20,8 +22,69 @@ type addressRequest struct {
 	IsDefault           bool   `json:"is_default"`
 }
 
-func ListUserAddress(ctx *gin.Context) { common.ListPage[models.UserAddress](ctx) }
-func GetUserAddress(ctx *gin.Context)  { common.GetByIdentity[models.UserAddress](ctx) }
+// ListUserAddress 查询用户地址分页列表，并为已授权的平台页面恢复地址与坐标。
+func ListUserAddress(ctx *gin.Context) {
+	page, size := common.PageSize(ctx)
+	var list []models.UserAddress
+	var total int64
+	query := common.ApplyKeywordFilter(ctx, common.ActiveRecords(impl.DBService.Model(&models.UserAddress{})), &models.UserAddress{})
+	if err := query.Count(&total).Error; err != nil {
+		infra.Response.Error(ctx, err)
+		return
+	}
+	if err := query.Order("created_at desc").Offset((page - 1) * size).Limit(size).Find(&list).Error; err != nil {
+		infra.Response.Error(ctx, err)
+		return
+	}
+	response, err := common.PublicResourceResponse(list)
+	if err != nil {
+		infra.Response.Error(ctx, err)
+		return
+	}
+	protected := common.ProtectPreciseLocation(ctx, &models.UserAddress{}, response)
+	infra.Response.Success(ctx, gin.H{"total": total, "list": restoreUserAddressLocations(protected, list)})
+}
+
+// GetUserAddress 查询用户地址详情，并返回详情与编辑页需要的地址和坐标。
+func GetUserAddress(ctx *gin.Context) {
+	var address models.UserAddress
+	if err := common.ActiveRecords(impl.DBService).Where("identity = ?", ctx.Param("identity")).First(&address).Error; err != nil {
+		common.RespondRecordError(ctx, err)
+		return
+	}
+	response, err := common.PublicResourceResponse(address)
+	if err != nil {
+		infra.Response.Error(ctx, err)
+		return
+	}
+	protected := common.ProtectPreciseLocation(ctx, &models.UserAddress{}, response)
+	infra.Response.Success(ctx, restoreUserAddressLocations(protected, []models.UserAddress{address}))
+}
+
+// restoreUserAddressLocations 仅在用户地址受控接口中恢复完整地址和精确坐标。
+func restoreUserAddressLocations(response any, addresses []models.UserAddress) any {
+	restore := func(record map[string]any, address models.UserAddress) {
+		record["address"] = address.Address
+		record["longitude"] = address.Longitude
+		record["latitude"] = address.Latitude
+	}
+	switch data := response.(type) {
+	case []any:
+		for index, item := range data {
+			if index >= len(addresses) {
+				break
+			}
+			if record, ok := item.(map[string]any); ok {
+				restore(record, addresses[index])
+			}
+		}
+	case map[string]any:
+		if len(addresses) > 0 {
+			restore(data, addresses[0])
+		}
+	}
+	return response
+}
 func CreateUserAddress(ctx *gin.Context) {
 	var request addressRequest
 	if err := ctx.ShouldBindJSON(&request); err != nil {