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/TEST_REPORT/ECR-011.md

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+# TEST_REPORT — ECR-011 Identity · Home tips · Profile integrity
+
+**Date:** 2026-08-12  
+**Result:** **PASS**  
+
+## Commands
+
+```bash
+docker compose -f docker-compose.dev.yml up -d postgres
+cd apps/api && go test ./internal/integration/ -run TestECR011ProfileIntegrityNicknameTips -count=1 -v
+cd apps/api && go test ./internal/nickname/ ./internal/yijing/ ./internal/service/home/ -count=1
+cd apps/user-h5 && npx vitest run \
+  src/pages/SynastryPage.spec.ts src/pages/ProfilePage.spec.ts \
+  src/pages/ImageCardPage.spec.ts src/pages/PortraitPage.spec.ts \
+  src/pages/RelationPage.spec.ts src/pages/AskPage.spec.ts
+```
+
+## Coverage
+
+| Case | Result |
+|------|--------|
+| Second self → HTTP 409 / code 40902 | PASS |
+| Synastry same id → 400 | PASS |
+| Synastry self×other → 200 | PASS |
+| PATCH /auth/me nickname | PASS |
+| GET /home/daily-tips（clothing/palette/wellness） | PASS |
+| nickname / yijing / home unit | PASS |
+| H5 related vitest | PASS（既有） |
+
+## Notes
+
+- Reviewer P1（错字段断言）已修并在 Postgres 上验证  
+- 勿提交 `test-results/` · `config.local.yaml`