feat(F-145): completed feature

work/artifacts/F-145/reviewer.json

@@ -0,0 +1,20 @@
+{
+  "feature_id": "F-145",
+  "agent": "reviewer",
+  "stage": "review_gate",
+  "verdict": "APPROVED",
+  "summary": "Migration 049 creates immutable reporting_payment_lines table with FK→orders_orders+pos_stores, 3 CHECK constraints (amount≠0/EUR/status), 3 indexes. itest 16/16 green against real DB. Backend-only, no API change. Immutable pattern (refunds as new rows) verified.",
+  "checks": [
+    {"item": "AC1 table structure (13 columns, types, nullability)", "ok": true, "evidence": "itest columns test: all 13 columns present, order_id/store_id NOT NULL uuid, currency default EUR"},
+    {"item": "AC1 CHECK constraints", "ok": true, "evidence": "itest: nonzero_amount rejects 0, eur_only rejects USD, valid_status rejects 'pending'"},
+    {"item": "AC1 FK references", "ok": true, "evidence": "itest: FK order_id→orders_orders and store_id→pos_stores via pg_constraint conname; FK violation throws"},
+    {"item": "AC2 valid INSERT", "ok": true, "evidence": "itest: INSERT succeeds, returns all columns, 3 status variants accepted"},
+    {"item": "AC4 indexes", "ok": true, "evidence": "itest: store_created_idx + order_idx + session_idx (partial) all exist"},
+    {"item": "AC5 idempotent/reversible", "ok": true, "evidence": "createTable is IF NOT EXISTS; DO$$ guard for FKs; down() drops all"},
+    {"item": "AC7 immutability (refunds as new rows)", "ok": true, "evidence": "itest: payment+refund rows coexist, no UPDATE needed"},
+    {"item": "No API change", "ok": true, "evidence": "migration+itest only; reporting routes unchanged"},
+    {"item": "No new boundary violation", "ok": true, "evidence": "git diff: migrations/049.js + itest; 0 new src imports"},
+    {"item": "tsc/verify", "ok": true, "evidence": "npm run build 0 errors; verify.sh green"}
+  ],
+  "issues": []
+}