feat(ECR-015): RedemptionCode 兑换码并 Closed

批次生成/作废、C 端兑码延长会员；admin-h5 /codes。
Loop continuous。Next：ECR-016 UserIntelligence。

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

docs/TEST_REPORT/ECR-015.md

@@ -0,0 +1,22 @@
+# TEST_REPORT — ECR-015 RedemptionCode
+
+Date: 2026-08-07 · Loop continuous
+
+## Results
+
+| Check | Result |
+|-------|--------|
+| TestRedemptionCodes | PASS |
+| build:admin | PASS |
+
+## AC
+
+| ID | Evidence |
+|----|----------|
+| AC-F-01 | POST batch qty=3 → 3 codes |
+| AC-F-02 | redeem → 200 |
+| AC-F-03 | re-redeem → 400 |
+| AC-F-04 | disable → redeem 400 |
+| AC-S-01/02 | 无 token batch 401；未注册 membership 401 |
+| AC-P-01 | list batches < 500ms |
+| AC-O-01 | AuditLog redemption.batch.create |