MemRelay/projects/d401bdbe-e9c0-4de8-aa0f-48b983de7c80/Checkpoint 2026-09-10 10-06-03 UTC [485f294fa6].md

title, type, permalink, stable_id, scope, memory_type, project_id, usage_profile_id, status, revision, request_id, created_at, updated_at, tags

title	type	permalink	stable_id	scope	memory_type	project_id	usage_profile_id	status	revision	request_id	created_at	updated_at	tags
Checkpoint 2026-09-10 10:06:03 UTC [485f294fa6]	checkpoint	main/projects/d401bdbe-e9c0-4de8-aa0f-48b983de7c80/checkpoint-2026-09-10-10-06-03-utc-485f294fa6	088d6f24-caa7-4e04-b216-e6bd12c2b7b6	project	checkpoint	d401bdbe-e9c0-4de8-aa0f-48b983de7c80	7aee455b-24cc-4008-bdaf-443721e6f939	active	1	utu-20260910-chat-storage-milestone-01	2026-09-10T10:06:03.326251+00:00	2026-09-10T10:06:03.326251+00:00	聊天 保存清理 需求确认

聊天保存与离线投递本轮已形成D012/D013与CHAT09..16。用户确认本地加密、从发出时间起算；Redis只存未送达密文，重启/送达/到期/发送方删除触发清理；时长修改立即重算已有本地及未送达数据；最新群聊跟群设置，个人不覆盖。已同步聊天专题、模块需求/设计/决定和11个相关入口或公共文件；移除先前群成员各用个人TTL的设计推导。待完成文档归档与最终交接；送达回执点、群设置权限、多设备/离线同步、重试等细则仍待定。