digital-psychology/.ai/domain/erd.md

ERD — P1 Schema（冻结草案）

实现时用 migration 落地；列名可微调但表/聚合关系不得偏离。
类型：Postgres。敏感：生日等属 Profile，需可删账号级联。

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Tables

users

column	type	notes
id	uuid PK
created_at	timestamptz
status	text	active/deleted

device_identities

column	type	notes
id	uuid PK
device_key	text unique	Visitor
user_id	uuid null FK→users	升级后绑定

profiles

column	type	notes
id	uuid PK
user_id	uuid FK→users
relation	text	self | other
display_name	text
birth_date	date	required P1
birth_time	time null	optional
birth_place	text null	optional
gender	text null
relation_type	text null	partner/family/friend… when other
created_at	timestamptz

scales

column	type	notes
id	uuid PK
slug	text unique
title	text	探索测试标题
status	text	published/draft

scale_questions

column	type	notes
id	uuid PK
scale_id	uuid FK
sort	int
body	jsonb	题干与选项

scale_results

column	type	notes
id	uuid PK
user_id	uuid FK
scale_id	uuid FK
profile_id	uuid FK
answers	jsonb
result	jsonb	探索结果摘要（可公开字段）
created_at	timestamptz

growth_reports

column	type	notes
id	uuid PK
user_id	uuid FK
profile_id	uuid FK
type	text	portrait | relation | …
summary	jsonb	基础版，始终可按规则返回
detail	jsonb	深度版，服务端按权益剥离
created_at	timestamptz

relation_insights

column	type	notes
id	uuid PK
user_id	uuid FK
profile_a_id	uuid FK	usually self
profile_b_id	uuid FK	other
summary	jsonb	对比标签等基础
report_id	uuid null FK→growth_reports	深度建议所在报告
created_at	timestamptz

ask_threads

column	type	notes
id	uuid PK
user_id	uuid FK
profile_id	uuid FK	当前解读对象
created_at	timestamptz

ask_messages

column	type	notes
id	uuid PK
thread_id	uuid FK
role	text	user | assistant
content	text
created_at	timestamptz

memberships

column	type	notes
user_id	uuid PK FK→users
plan	text	month/quarter/year
status	text	active/expired
expires_at	timestamptz
ask_quota_left	int

orders

column	type	notes
id	uuid PK
user_id	uuid FK
kind	text	membership | deep_access
amount_cents	int
status	text	created/paid/failed
created_at	timestamptz

payments

column	type	notes
id	uuid PK
order_id	uuid FK
channel	text	mock | wechat…
status	text
raw	jsonb null

deep_accesses

column	type	notes
id	uuid PK
user_id	uuid FK
report_id	uuid FK→growth_reports
order_id	uuid FK
created_at	timestamptz

moods（P2 可先建表空用）

column	type	notes
id	uuid PK
user_id	uuid FK
day	date
score	int null
note	text null

memory_items（P3）

column	type	notes
id	uuid PK
user_id	uuid FK
kind	text
payload	jsonb
created_at	timestamptz

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Relationship sketch

users 1──* profiles
users 1──* scale_results
users 1──* growth_reports
users 1──0..1 memberships
users 1──* orders 1──* payments
growth_reports 1──* deep_accesses
profiles ── relation_insights ── profiles
users 1──* ask_threads 1──* ask_messages