feat(ECR-009): Ops-D order filters, plan display prices, refund status

LOOP-RUN-002 sample: admin order multi-filter, membership display
price catalog, read-only refund_status. No real payment or RBAC.

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

docs/ECR/ECR-009-ops-commerce.md

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+# ECR-009
+
+**Title:** 运营商业加深 Ops-D（订单筛选 · 展示价 · 退款只读）  
+**Status:** Approved  
+**Date:** 2026-08-07  
+**Approved:** 2026-08-07（Human Goal → LOOP-RUN-002 supervised）  
+**Change Level:** L2  
+
+## Change
+
+1. Active Spec：`.ai/product/feature-spec/ops-commerce.md`  
+2. migration `000015_ops_commerce`：`orders.refund_status` + `membership_plan_prices`  
+3. `GET /api/v1/admin/orders` 增加 query 筛选  
+4. `GET|PUT /api/v1/admin/membership/plan-prices`  
+5. admin-h5：Orders 筛选 + Pricing 页  
+6. OpenAPI · TRACEABILITY · TEST_REPORT · CODE_REVIEW  
+
+## Motivation
+
+Ops-A 订单列表无筛选；展示价写死；无退款状态可见性。
+
+## Scope
+
+### Allowed
+
+- 上列 Spec / migration / admin API / admin-h5  
+- 审计（改价写 audit）  
+
+### Forbidden
+
+- 真支付 · 退款执行 API · RBAC · UGC · 改 ESS  
+
+## Risk
+
+| Risk | Mitigation |
+|------|------------|
+| 误改历史订单金额 | 只改展示价表，不 UPDATE orders.amount |
+| 筛选扫全表 | 限 limit≤100；索引 created_at/status |
+
+## Acceptance Criteria
+
+- [ ] 筛选与 refund_status  
+- [ ] 展示价 GET/PUT  
+- [ ] integration + build  
+- [ ] Loop artifacts + Gate  
+
+## Trace
+
+Spec `ops-commerce` · BD-2026-009 · LOOP-RUN-002