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>

loop/artifacts/code_review_report.json

@@ -0,0 +1,24 @@
+{
+  "artifact_schema": {
+    "version": 1
+  },
+  "decision": "PASS",
+  "findings": [
+    {
+      "kind": "design_alignment",
+      "severity": "info",
+      "detail": "Scope matches plan.yaml Ops-D"
+    },
+    {
+      "kind": "architecture",
+      "severity": "info",
+      "detail": "Handler\u2192Service\u2192Repository preserved"
+    },
+    {
+      "kind": "coverage",
+      "severity": "info",
+      "detail": "TestOpsCommercePhaseD covers prices + order filter"
+    }
+  ],
+  "notes": "LOOP-RUN-002 Code Review"
+}