feat(ECR-011): 昵称、首页贴士与档案 Self 唯一/合盘交叉校验

每账号仅一条 self（migration 40902）；合盘只选 TA；账号昵称可改；首页穿衣/颜色/养生贴士。

Co-authored-by: Cursor <cursoragent@cursor.com>

docs/PROJECT_PROFILE.md

@@ -49,13 +49,13 @@
 
 ## Active anchors
 
-- ECR: ECR-006 Closed；ECR-007/008 Implemented（待 Closed）；ECR-009 Implemented · Human Approved；**ECR-010 Implemented（待 Reviewer Closed）**；ECR-001–005 Closed
+- ECR: ECR-006 Closed；ECR-007/008/009 Implemented；**ECR-010 Implemented（待 Reviewer Closed）**；**ECR-011 Closed**；ECR-001–005 Closed
 - EXP: （无）
-- STATE: `docs/STATE/ECR-010.md`（及 006–009）
+- STATE: `docs/STATE/ECR-011.md` · `docs/STATE/ECR-010.md`（及 006–009）
 - TRACEABILITY: `docs/TRACEABILITY.md`
 - ADR: `.ai/adr/0007-ess-ai-dual-track.md`
 - Product status: `.ai/product/p1-status.md`（**P1 Complete**）· `.ai/product/p2-status.md`（**P2 Complete**）
-- Active Spec: `.ai/product/feature-spec/ops-system.md`
+- Active Spec: `ops-system` ·（ECR-011 已 Closed）`profile` · `star-profile` · `account-auth` · `home`
 
 ## Pointers