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/TEST_REPORT/ECR-009.md

@@ -0,0 +1,19 @@
+# TEST_REPORT — ECR-009
+
+**Date:** 2026-08-07  
+**Result:** PASS  
+
+## Commands
+
+```bash
+cd apps/api && go test ./internal/integration/ -run TestOpsCommercePhaseD -count=1
+cd apps/admin-h5 && npm run build
+```
+
+## Result
+
+- TestOpsCommercePhaseD: PASS  
+- admin-h5 build: PASS  
+- go build ./...: PASS  
+
+commit: (pending human approval)