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/CODE_REVIEW/ECR-009.md

@@ -0,0 +1,15 @@
+# CODE_REVIEW — ECR-009
+
+**Decision:** PASS  
+**Scope:** Matches plan.yaml / BD-2026-009  
+
+## Checks
+
+| Item | Result |
+|------|--------|
+| Design alignment | PASS — only Ops-D files |
+| Architecture | PASS — Handler→Service→Repository |
+| Coverage | PASS — ops_commerce_test |
+| No real payment / RBAC | PASS |
+
+No BLOCK findings.