支持家庭成员显示名编辑

database/talkingq_shared_schema.sql

@@ -277,6 +277,7 @@ CREATE TABLE IF NOT EXISTS `device_family_members` (
   `device_id` VARCHAR(64) NOT NULL,
   `user_id` BIGINT NOT NULL,
   `role` TINYINT NOT NULL DEFAULT 2 COMMENT '1=owner,2=member',
+  `display_name` VARCHAR(64) NULL,
   `status` TINYINT NOT NULL DEFAULT 1,
   `invited_by_user_id` BIGINT NULL,
   `joined_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,