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>
2026-08-07 18:16:13 +08:00
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+# ECR-015
+
+**Title:** RedemptionCode（兑换码薄切片）  
+**Status:** **Closed**  
+**Closed:** 2026-08-07（Loop continuous）  
+**Parent:** WAVE0-FROZEN · **Predecessor:** ECR-014 Closed  
+**Change Level:** L2  
+
+## Change
+
+批次生成兑换码 → C 端兑码延长 MembershipPlan 对应时长 · 可作废 · 审计  
+
+## Forbidden
+
+真支付 · UGC · ask_pack 兑换 · soft-delete  
+
+## Linked
+
+Spec `ops-redemption-code.md` · BD-2026-015 · CONTRACT_DIFF/ECR-015.yaml