fix: persist uncertain cancel outcomes

tests/adapters/broker/test_venue.py

@@ -26,12 +26,13 @@ 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, resolve_order_venue
 from trex_core.adapters.broker.paper import PaperBroker
-from trex_core.application.broker_port import OrderRequest
+from trex_core.application.broker_port import CancelState, OrderRequest
 
 _MOCK_URL = "https://openapivts.koreainvestment.com:29443"
 _LIVE_URL = "https://openapi.koreainvestment.com:9443"
@@ -218,7 +219,7 @@ def test_paper_cancel_venue_ignored():
     ack = b.submit_order(req)
     # NXT venue로 cancel — paper는 venue 무관하게 취소 성공
     result = b.cancel_order(ack.broker_order_id, side="buy", symbol="005930", qty=5, venue="NXT")
-    assert result is True
+    assert result.state is CancelState.REQUESTED
 
 
 def test_paper_cancel_default_venue():
@@ -227,7 +228,7 @@ def test_paper_cancel_default_venue():
     req = OrderRequest(slot_id="s1", side="buy", symbol="005930", qty=3)
     ack = b.submit_order(req)
     result = b.cancel_order(ack.broker_order_id, side="buy", symbol="005930", qty=3)
-    assert result is True
+    assert result.state is CancelState.REQUESTED
 
 
 # ---------------------------------------------------------------------------
@@ -301,6 +302,40 @@ def test_cancel_order_krx_includes_excg(monkeypatch):
     assert captured["body"]["EXCG_ID_DVSN_CD"] == "KRX"
 
 
+def test_cancel_explicit_broker_rejection_is_distinct(monkeypatch):
+    def fake_post(url, headers=None, json=None, timeout=None):
+        return _FakeResp({"rt_cd": "1", "msg_cd": "ORDER_NOT_CANCELLABLE"})
+
+    b = _mock_broker()
+    monkeypatch.setattr(kis_mod.httpx, "post", fake_post)
+    outcome = b.cancel_order(
+        "06010:0000123456",
+        side="buy",
+        symbol="005930",
+        qty=1,
+    )
+
+    assert outcome.state is CancelState.REJECTED
+    assert outcome.reason == "ORDER_NOT_CANCELLABLE"
+
+
+def test_cancel_transport_loss_is_unknown(monkeypatch):
+    def fake_post(url, headers=None, json=None, timeout=None):
+        raise httpx.ReadTimeout("timed out")
+
+    b = _mock_broker()
+    monkeypatch.setattr(kis_mod.httpx, "post", fake_post)
+    outcome = b.cancel_order(
+        "06010:0000123456",
+        side="buy",
+        symbol="005930",
+        qty=1,
+    )
+
+    assert outcome.state is CancelState.UNKNOWN
+    assert outcome.reason == "transport_failed"
+
+
 # ---------------------------------------------------------------------------
 # REQ-118 AC-5: get_current_price 기본 market=J
 # ---------------------------------------------------------------------------
@@ -422,4 +457,4 @@ def test_paper_cancel_backward_compat_no_venue():
     ack = b.submit_order(req)
     # 기존 스타일 호출 (venue 없음)
     result = b.cancel_order(ack.broker_order_id, side="sell", symbol="005930", qty=2)
-    assert result is True
+    assert result.state is CancelState.REQUESTED