feat(ECR-020): QualityFeedback 问答质量反馈并 Closed

新增 ask_quality_feedback、运营/C端评分 API 与 admin-h5 问答反馈区；禁改消息/UGC/真支付。

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

docs/TEST_REPORT/ECR-020.md

@@ -0,0 +1,32 @@
+# TEST_REPORT — ECR-020 QualityFeedback
+
+Date: 2026-08-07 · Loop continuous · commit: (pending)
+
+## Commands
+
+```bash
+cd apps/api && go test ./internal/integration/ -run TestQualityFeedback -count=1
+npm run build:admin
+python3 scripts/ess-validate.py --phase review --ecr ECR-020
+python3 scripts/ess-gate-check.py --ecr ECR-020
+```
+
+## Results
+
+| Check | Result |
+|-------|--------|
+| TestQualityFeedback | PASS |
+| build:admin | PASS |
+| ess-validate review | PASS |
+
+## AC
+
+| ID | Evidence |
+|----|----------|
+| AC-F-01 | admin POST → list 可见 |
+| AC-F-02 | user POST → 200 |
+| AC-F-03 | rating=9 → 400 |
+| AC-S-01 | 无 token list → 401 |
+| AC-S-02 | 仅 ask.read POST → 403 |
+| AC-P-01 | list < 500ms |
+| AC-O-01 | AuditLog ask.feedback.create |