feat(shangwutong): sync customer names back to channel (#3)

Co-authored-by: Rogee <rogee@ipao.vip>

backend/internal/handler/widget/widget_handler.go

@@ -1402,6 +1402,7 @@ func bindPublicContactRequest(c *gin.Context) (service.PublicContactRequest, err
 		PhoneNumber          string         `json:"phone_number"`
 		CustomAttributes     map[string]any `json:"custom_attributes"`
 		AdditionalAttributes map[string]any `json:"additional_attributes"`
+		ChannelMetadata      map[string]any `json:"channel_metadata"`
 	}
 	if err := c.ShouldBindJSON(&body); err != nil && c.Request.ContentLength != 0 {
 		return service.PublicContactRequest{}, err
@@ -1425,6 +1426,7 @@ func bindPublicContactRequest(c *gin.Context) (service.PublicContactRequest, err
 		PhoneNumber:          body.PhoneNumber,
 		CustomAttributes:     body.CustomAttributes,
 		AdditionalAttributes: body.AdditionalAttributes,
+		ChannelMetadata:      body.ChannelMetadata,
 	}, nil
 }