feat: add bounded KIS account read recovery

tests/runtime/test_account_snapshot_config.py

@@ -0,0 +1,55 @@
+"""Account snapshot configuration stays opt-in and bounded."""
+from __future__ import annotations
+
+import pytest
+
+from trex_core.runtime.config import AccountSnapshotConfig, DaemonConfig
+
+_KEYS = (
+    "TREX_ACCOUNT_SNAPSHOT_ENABLED",
+    "TREX_ACCOUNT_SNAPSHOT_BUY_MAX_AGE_SEC",
+    "TREX_ACCOUNT_SNAPSHOT_SELL_MAX_AGE_SEC",
+    "TREX_ACCOUNT_SNAPSHOT_REFRESH_INTERVAL_SEC",
+)
+
+
+@pytest.fixture(autouse=True)
+def _clean(monkeypatch):
+    for key in _KEYS:
+        monkeypatch.delenv(key, raising=False)
+    monkeypatch.setenv("TREX_POSTGRESQL_DSN", "dbname=x")
+
+
+def test_defaults_are_disabled_and_bounded():
+    config = DaemonConfig.from_env().account_snapshot
+    assert config == AccountSnapshotConfig()
+    assert config.enabled is False
+
+
+def test_env_enables_and_tunes_account_snapshot():
+    import os
+
+    os.environ["TREX_ACCOUNT_SNAPSHOT_ENABLED"] = "true"
+    os.environ["TREX_ACCOUNT_SNAPSHOT_BUY_MAX_AGE_SEC"] = "300"
+    os.environ["TREX_ACCOUNT_SNAPSHOT_SELL_MAX_AGE_SEC"] = "1800"
+    os.environ["TREX_ACCOUNT_SNAPSHOT_REFRESH_INTERVAL_SEC"] = "240"
+
+    config = DaemonConfig.from_env().account_snapshot
+    assert config.enabled is True
+    assert config.buy_max_age_sec == 300
+    assert config.sell_max_age_sec == 1800
+    assert config.refresh_interval_sec == 240
+
+
+@pytest.mark.parametrize(
+    "kwargs",
+    [
+        {"buy_max_age_sec": -1},
+        {"buy_max_age_sec": 601, "sell_max_age_sec": 600},
+        {"sell_max_age_sec": 21_601},
+        {"refresh_interval_sec": 0},
+    ],
+)
+def test_invalid_age_or_interval_policy_is_rejected(kwargs):
+    with pytest.raises(ValueError):
+        AccountSnapshotConfig(**kwargs)

tests/runtime/test_cli_report_wac.py

@@ -322,7 +322,7 @@ class TestReportWacPath:
                 return_value=mock_adapter,
             ),
         ):
-            rc = cli.main(["report", "--json"])
+            cli.main(["report", "--json"])
         j = json.loads(capsys.readouterr().out)
         # WAC 필드는 null (당일 net 99999로 채워지지 않음)
         assert j["realized_pnl_wac"] is None