feat: resolve and persist actual order venue

tests/adapters/broker/test_venue.py

@@ -26,13 +26,12 @@ from __future__ import annotations
 from datetime import datetime, timedelta, timezone
 from decimal import Decimal
 
-import httpx
 import pytest
 
 from trex_core.adapters.broker import kis as kis_mod
-from trex_core.adapters.broker.kis import KISBroker
+from trex_core.adapters.broker.kis import KISBroker, resolve_order_venue
 from trex_core.adapters.broker.paper import PaperBroker
-from trex_core.application.broker_port import BrokerPort, OrderRequest
+from trex_core.application.broker_port import OrderRequest
 
 _MOCK_URL = "https://openapivts.koreainvestment.com:29443"
 _LIVE_URL = "https://openapi.koreainvestment.com:9443"
@@ -42,8 +41,14 @@ _LIVE_URL = "https://openapi.koreainvestment.com:9443"
 # Helpers
 # ---------------------------------------------------------------------------
 
-def _mock_broker() -> KISBroker:
-    b = KISBroker("12345678-01", app_key="k", app_secret="s", base_url=_MOCK_URL)
+def _mock_broker(*, clock=None) -> KISBroker:
+    b = KISBroker(
+        "12345678-01",
+        app_key="k",
+        app_secret="s",
+        base_url=_MOCK_URL,
+        clock=clock,
+    )
     b._token = "tok"
     b._token_exp = datetime.now(tz=timezone.utc) + timedelta(hours=1)
     return b
@@ -85,6 +90,84 @@ def test_order_request_venue_nxt():
     assert req.venue == "NXT"
 
 
+@pytest.mark.parametrize(
+    ("at", "expected"),
+    [
+        (datetime(2026, 7, 29, 8, 0, tzinfo=timezone(timedelta(hours=9))), "NXT"),
+        (datetime(2026, 7, 29, 8, 49, 59, tzinfo=timezone(timedelta(hours=9))), "NXT"),
+        (datetime(2026, 7, 29, 9, 0, 30, tzinfo=timezone(timedelta(hours=9))), "KRX"),
+        (datetime(2026, 7, 29, 15, 29, 59, tzinfo=timezone(timedelta(hours=9))), "KRX"),
+        (datetime(2026, 7, 29, 15, 30, tzinfo=timezone(timedelta(hours=9))), "NXT"),
+        (datetime(2026, 7, 29, 20, 0, tzinfo=timezone(timedelta(hours=9))), "NXT"),
+    ],
+)
+def test_auto_venue_resolves_by_kst_session(at, expected):
+    assert resolve_order_venue("AUTO", at) == expected
+
+
+@pytest.mark.parametrize(
+    "at",
+    [
+        datetime(2026, 7, 29, 7, 59, 59, tzinfo=timezone(timedelta(hours=9))),
+        datetime(2026, 7, 29, 8, 50, tzinfo=timezone(timedelta(hours=9))),
+        datetime(2026, 7, 29, 9, 0, 29, tzinfo=timezone(timedelta(hours=9))),
+        datetime(2026, 7, 29, 20, 0, 1, tzinfo=timezone(timedelta(hours=9))),
+    ],
+)
+def test_auto_venue_fails_closed_outside_supported_sessions(at):
+    with pytest.raises(ValueError, match="auto_venue_session_closed"):
+        resolve_order_venue("AUTO", at)
+
+
+def test_submit_auto_uses_nxt_and_reports_actual_venue(monkeypatch):
+    captured = {}
+    at = datetime(2026, 7, 29, 8, 1, tzinfo=timezone(timedelta(hours=9)))
+
+    def fake_post(url, headers=None, json=None, timeout=None):
+        captured["body"] = json
+        return _FakeResp(
+            {"rt_cd": "0", "output": {"ODNO": "0002", "KRX_FWDG_ORD_ORGNO": "06010"}}
+        )
+
+    broker = _mock_broker(clock=lambda: at)
+    monkeypatch.setattr(kis_mod.httpx, "post", fake_post)
+    ack = broker.submit_order(
+        OrderRequest(
+            slot_id="s-auto",
+            side="buy",
+            symbol="005930",
+            qty=1,
+            venue="AUTO",
+        )
+    )
+
+    assert ack.accepted is True
+    assert ack.venue == "NXT"
+    assert captured["body"]["EXCG_ID_DVSN_CD"] == "NXT"
+
+
+def test_submit_auto_outside_session_rejects_without_http(monkeypatch):
+    at = datetime(2026, 7, 29, 8, 55, tzinfo=timezone(timedelta(hours=9)))
+    broker = _mock_broker(clock=lambda: at)
+
+    def unexpected_post(*args, **kwargs):
+        raise AssertionError("AUTO session rejection must happen before HTTP")
+
+    monkeypatch.setattr(kis_mod.httpx, "post", unexpected_post)
+    ack = broker.submit_order(
+        OrderRequest(
+            slot_id="s-auto-closed",
+            side="buy",
+            symbol="005930",
+            qty=1,
+            venue="AUTO",
+        )
+    )
+
+    assert ack.accepted is False
+    assert ack.reason == "auto_venue_session_closed"
+
+
 # ---------------------------------------------------------------------------
 # REQ-117 AC-4: 기존 위치 인수 순서 불변
 # ---------------------------------------------------------------------------

tests/adapters/persistence/test_postgresql_ledger_outbox.py

@@ -20,7 +20,7 @@ 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),
+        executed_at=datetime(2026, 6, 4, tzinfo=timezone.utc), venue="NXT",
     )
 
 
@@ -32,6 +32,7 @@ def test_enqueue_persists_and_is_idempotent(pg_clean):
     pending = outbox.list_pending()
     assert len(pending) == 1
     assert pending[0].status is WorkItemStatus.PENDING
+    assert pending[0].trade.venue == "NXT"
 
 
 def test_writer_completes_persisted_item(pg_clean):