fix: preserve SOR execution venue separately

tests/adapters/broker/test_venue.py

@@ -137,6 +137,44 @@ def test_submit_sor_preserves_sor(monkeypatch):
     assert captured["body"]["EXCG_ID_DVSN_CD"] == "SOR"
 
 
+@pytest.mark.parametrize(
+    ("row", "expected"),
+    [
+        ({"ord_exg_gb": "1"}, "KRX"),
+        ({"ord_exg_gb": "2"}, "NXT"),
+        ({"ord_exg_gb": "3"}, "KRX"),
+        ({"ord_exg_gb": "4"}, "NXT"),
+        ({"excg_id_dvsn_cd": "KRX"}, "KRX"),
+        ({"excg_id_dvsn_cd": "NXT"}, "NXT"),
+        ({"excg_id_dvsn_cd": "SOR-KRX"}, "KRX"),
+        ({"excg_id_dvsn_Cd": "SOR-NXT"}, "NXT"),
+        ({"excg_id_dvsn_cd": "SOR"}, None),
+        ({"excg_dvsn_cd": "02"}, None),
+        ({}, None),
+    ],
+)
+def test_kis_execution_venue_parser_is_allowlisted(row, expected):
+    assert KISBroker._execution_venue_from_row(row) == expected
+
+
+def test_kis_fill_status_carries_sor_actual_execution_venue():
+    status = KISBroker._fill_status_from_row(
+        {
+            "ord_qty": "10",
+            "tot_ccld_qty": "10",
+            "avg_prvs": "70000",
+            "ord_dt": "20260819",
+            "ord_gno_brno": "12345",
+            "odno": "0000000001",
+            "excg_id_dvsn_cd": "NXT",
+        },
+        side="buy",
+        today="20260819",
+        fallback_odno="0000000001",
+    )
+    assert status.execution_venue == "NXT"
+
+
 # ---------------------------------------------------------------------------
 # REQ-117 AC-4: 기존 위치 인수 순서 불변
 # ---------------------------------------------------------------------------

tests/adapters/persistence/test_postgresql_ledger_outbox.py

@@ -20,7 +20,8 @@ def _trade(execution_id="paper:1:10") -> LedgerTrade:
     return LedgerTrade(
         asset_id="PF-1", order_id="ORD-1", execution_id=execution_id,
         side="buy", qty=10, price=1000.0, fee=1.5, tax=0.0,
-        executed_at=datetime(2026, 6, 4, tzinfo=timezone.utc), venue="NXT",
+        executed_at=datetime(2026, 6, 4, tzinfo=timezone.utc),
+        venue="NXT", order_venue="SOR",
     )
 
 
@@ -33,6 +34,7 @@ def test_enqueue_persists_and_is_idempotent(pg_clean):
     assert len(pending) == 1
     assert pending[0].status is WorkItemStatus.PENDING
     assert pending[0].trade.venue == "NXT"
+    assert pending[0].trade.order_venue == "SOR"
 
 
 def test_writer_completes_persisted_item(pg_clean):