feat(ops): ECR-007 行为分析与 ECR-008 内容运营后台

落地埋点 ingest/数据看板、首页宫格 CMS 与测评上下架；含账号引导、问答流式与免责声明去重，以及 review P1 审计同事务修复。

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

docs/STATE/ECR-007.md

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+# STATE — ECR-007
+
+| Field | Value |
+|-------|-------|
+| ECR | ECR-007 |
+| Title | 运营行为分析 Ops-B |
+| Status | Implemented（待 Reviewer Closed） |
+| Phase | review |
+| Owner | reviewer |
+| Spec | `.ai/product/feature-spec/ops-analytics.md`（Active） |
+| Backend Design | BD-2026-007 Approved |
+| Test | `docs/TEST_REPORT/ECR-007.md` PASS |
+| Review | `docs/CODE_REVIEW/ECR-007.md` Approve |
+| Next | Human/Reviewer Closed ECR · 部署 API + 静态资源 |
+| Updated | 2026-08-07 |

docs/STATE/ECR-008.md

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+# STATE — ECR-008
+
+| Field | Value |
+|-------|-------|
+| ECR | ECR-008 |
+| Title | 运营内容配置 Ops-C |
+| Status | Implemented（待 Reviewer Closed） |
+| Phase | review |
+| Owner | reviewer |
+| Spec | Active |
+| Backend Design | BD-2026-008 Approved |
+| Test | TEST_REPORT/ECR-008.md PASS |
+| Review | CODE_REVIEW/ECR-008.md Approve |
+| Updated | 2026-08-07 |