ci: fix lint baseline and stabilize failing main tests

tests/test_backup.py

@@ -4,8 +4,7 @@ from __future__ import annotations
 
 import sqlite3
 import sys
-import tempfile
-from datetime import UTC, datetime, timedelta
+from datetime import UTC, datetime
 from pathlib import Path
 from unittest.mock import MagicMock, patch
 
@@ -48,7 +47,9 @@ def temp_db(tmp_path: Path) -> Path:
 
     cursor.executemany(
         """
-        INSERT INTO trades (timestamp, stock_code, action, quantity, price, confidence, rationale, pnl)
+        INSERT INTO trades (
+            timestamp, stock_code, action, quantity, price, confidence, rationale, pnl
+        )
         VALUES (?, ?, ?, ?, ?, ?, ?, ?)
         """,
         test_trades,
@@ -73,9 +74,7 @@ class TestBackupExporter:
         exporter = BackupExporter(str(temp_db))
         output_dir = tmp_path / "exports"
 
-        results = exporter.export_all(
-            output_dir, formats=[ExportFormat.JSON], compress=False
-        )
+        results = exporter.export_all(output_dir, formats=[ExportFormat.JSON], compress=False)
 
         assert ExportFormat.JSON in results
         assert results[ExportFormat.JSON].exists()
@@ -86,9 +85,7 @@ class TestBackupExporter:
         exporter = BackupExporter(str(temp_db))
         output_dir = tmp_path / "exports"
 
-        results = exporter.export_all(
-            output_dir, formats=[ExportFormat.JSON], compress=True
-        )
+        results = exporter.export_all(output_dir, formats=[ExportFormat.JSON], compress=True)
 
         assert ExportFormat.JSON in results
         assert results[ExportFormat.JSON].suffix == ".gz"
@@ -98,15 +95,13 @@ class TestBackupExporter:
         exporter = BackupExporter(str(temp_db))
         output_dir = tmp_path / "exports"
 
-        results = exporter.export_all(
-            output_dir, formats=[ExportFormat.CSV], compress=False
-        )
+        results = exporter.export_all(output_dir, formats=[ExportFormat.CSV], compress=False)
 
         assert ExportFormat.CSV in results
         assert results[ExportFormat.CSV].exists()
 
         # Verify CSV content
-        with open(results[ExportFormat.CSV], "r") as f:
+        with open(results[ExportFormat.CSV]) as f:
             lines = f.readlines()
             assert len(lines) == 4  # Header + 3 rows
 
@@ -146,7 +141,7 @@ class TestBackupExporter:
         # Should only have 1 trade (AAPL on Jan 2)
         import json
 
-        with open(results[ExportFormat.JSON], "r") as f:
+        with open(results[ExportFormat.JSON]) as f:
             data = json.load(f)
             assert data["record_count"] == 1
             assert data["trades"][0]["stock_code"] == "AAPL"
@@ -407,9 +402,7 @@ class TestBackupExporterAdditional:
         assert ExportFormat.JSON in results
         assert ExportFormat.CSV in results
 
-    def test_export_all_logs_error_on_failure(
-        self, temp_db: Path, tmp_path: Path
-    ) -> None:
+    def test_export_all_logs_error_on_failure(self, temp_db: Path, tmp_path: Path) -> None:
         """export_all must log an error and continue when one format fails."""
         exporter = BackupExporter(str(temp_db))
         # Patch _export_format to raise on JSON, succeed on CSV
@@ -430,9 +423,7 @@ class TestBackupExporterAdditional:
         assert ExportFormat.JSON not in results
         assert ExportFormat.CSV in results
 
-    def test_export_csv_empty_trades_no_compress(
-        self, empty_db: Path, tmp_path: Path
-    ) -> None:
+    def test_export_csv_empty_trades_no_compress(self, empty_db: Path, tmp_path: Path) -> None:
         """CSV export with no trades and compress=False must write header row only."""
         exporter = BackupExporter(str(empty_db))
         results = exporter.export_all(
@@ -446,9 +437,7 @@ class TestBackupExporterAdditional:
         content = out.read_text()
         assert "timestamp" in content
 
-    def test_export_csv_empty_trades_compressed(
-        self, empty_db: Path, tmp_path: Path
-    ) -> None:
+    def test_export_csv_empty_trades_compressed(self, empty_db: Path, tmp_path: Path) -> None:
         """CSV export with no trades and compress=True must write gzipped header."""
         import gzip
 
@@ -465,9 +454,7 @@ class TestBackupExporterAdditional:
             content = f.read()
         assert "timestamp" in content
 
-    def test_export_csv_with_data_compressed(
-        self, temp_db: Path, tmp_path: Path
-    ) -> None:
+    def test_export_csv_with_data_compressed(self, temp_db: Path, tmp_path: Path) -> None:
         """CSV export with data and compress=True must write gzipped rows."""
         import gzip
 
@@ -492,6 +479,7 @@ class TestBackupExporterAdditional:
         with patch.dict(sys.modules, {"pyarrow": None, "pyarrow.parquet": None}):
             try:
                 import pyarrow  # noqa: F401
+
                 pytest.skip("pyarrow is installed; cannot test ImportError path")
             except ImportError:
                 pass
@@ -557,9 +545,7 @@ class TestCloudStorage:
                 importlib.reload(m)
                 m.CloudStorage(s3_config)
 
-    def test_upload_file_success(
-        self, mock_boto3_module, s3_config, tmp_path: Path
-    ) -> None:
+    def test_upload_file_success(self, mock_boto3_module, s3_config, tmp_path: Path) -> None:
         """upload_file must call client.upload_file and return the object key."""
         from src.backup.cloud_storage import CloudStorage
 
@@ -572,9 +558,7 @@ class TestCloudStorage:
         assert key == "backups/backup.json.gz"
         storage.client.upload_file.assert_called_once()
 
-    def test_upload_file_default_key(
-        self, mock_boto3_module, s3_config, tmp_path: Path
-    ) -> None:
+    def test_upload_file_default_key(self, mock_boto3_module, s3_config, tmp_path: Path) -> None:
         """upload_file without object_key must use the filename as key."""
         from src.backup.cloud_storage import CloudStorage
 
@@ -586,9 +570,7 @@ class TestCloudStorage:
 
         assert key == "myfile.gz"
 
-    def test_upload_file_not_found(
-        self, mock_boto3_module, s3_config, tmp_path: Path
-    ) -> None:
+    def test_upload_file_not_found(self, mock_boto3_module, s3_config, tmp_path: Path) -> None:
         """upload_file must raise FileNotFoundError for missing files."""
         from src.backup.cloud_storage import CloudStorage
 
@@ -611,9 +593,7 @@ class TestCloudStorage:
         with pytest.raises(RuntimeError, match="network error"):
             storage.upload_file(test_file)
 
-    def test_download_file_success(
-        self, mock_boto3_module, s3_config, tmp_path: Path
-    ) -> None:
+    def test_download_file_success(self, mock_boto3_module, s3_config, tmp_path: Path) -> None:
         """download_file must call client.download_file and return local path."""
         from src.backup.cloud_storage import CloudStorage
 
@@ -637,11 +617,8 @@ class TestCloudStorage:
         with pytest.raises(RuntimeError, match="timeout"):
             storage.download_file("key", tmp_path / "dest.gz")
 
-    def test_list_files_returns_objects(
-        self, mock_boto3_module, s3_config
-    ) -> None:
+    def test_list_files_returns_objects(self, mock_boto3_module, s3_config) -> None:
         """list_files must return parsed file metadata from S3 response."""
-        from datetime import timezone
 
         from src.backup.cloud_storage import CloudStorage
 
@@ -651,7 +628,7 @@ class TestCloudStorage:
                 {
                     "Key": "backups/a.gz",
                     "Size": 1024,
-                    "LastModified": datetime(2026, 1, 1, tzinfo=timezone.utc),
+                    "LastModified": datetime(2026, 1, 1, tzinfo=UTC),
                     "ETag": '"abc123"',
                 }
             ]
@@ -662,9 +639,7 @@ class TestCloudStorage:
         assert files[0]["key"] == "backups/a.gz"
         assert files[0]["size_bytes"] == 1024
 
-    def test_list_files_empty_bucket(
-        self, mock_boto3_module, s3_config
-    ) -> None:
+    def test_list_files_empty_bucket(self, mock_boto3_module, s3_config) -> None:
         """list_files must return empty list when bucket has no objects."""
         from src.backup.cloud_storage import CloudStorage
 
@@ -674,9 +649,7 @@ class TestCloudStorage:
         files = storage.list_files()
         assert files == []
 
-    def test_list_files_propagates_error(
-        self, mock_boto3_module, s3_config
-    ) -> None:
+    def test_list_files_propagates_error(self, mock_boto3_module, s3_config) -> None:
         """list_files must re-raise exceptions from the boto3 client."""
         from src.backup.cloud_storage import CloudStorage
 
@@ -686,9 +659,7 @@ class TestCloudStorage:
         with pytest.raises(RuntimeError):
             storage.list_files()
 
-    def test_delete_file_success(
-        self, mock_boto3_module, s3_config
-    ) -> None:
+    def test_delete_file_success(self, mock_boto3_module, s3_config) -> None:
         """delete_file must call client.delete_object with the correct key."""
         from src.backup.cloud_storage import CloudStorage
 
@@ -698,9 +669,7 @@ class TestCloudStorage:
             Bucket="test-bucket", Key="backups/old.gz"
         )
 
-    def test_delete_file_propagates_error(
-        self, mock_boto3_module, s3_config
-    ) -> None:
+    def test_delete_file_propagates_error(self, mock_boto3_module, s3_config) -> None:
         """delete_file must re-raise exceptions from the boto3 client."""
         from src.backup.cloud_storage import CloudStorage
 
@@ -710,11 +679,8 @@ class TestCloudStorage:
         with pytest.raises(RuntimeError):
             storage.delete_file("backups/old.gz")
 
-    def test_get_storage_stats_success(
-        self, mock_boto3_module, s3_config
-    ) -> None:
+    def test_get_storage_stats_success(self, mock_boto3_module, s3_config) -> None:
         """get_storage_stats must aggregate file sizes correctly."""
-        from datetime import timezone
 
         from src.backup.cloud_storage import CloudStorage
 
@@ -724,13 +690,13 @@ class TestCloudStorage:
                 {
                     "Key": "a.gz",
                     "Size": 1024 * 1024,
-                    "LastModified": datetime(2026, 1, 1, tzinfo=timezone.utc),
+                    "LastModified": datetime(2026, 1, 1, tzinfo=UTC),
                     "ETag": '"x"',
                 },
                 {
                     "Key": "b.gz",
                     "Size": 1024 * 1024,
-                    "LastModified": datetime(2026, 1, 2, tzinfo=timezone.utc),
+                    "LastModified": datetime(2026, 1, 2, tzinfo=UTC),
                     "ETag": '"y"',
                 },
             ]
@@ -741,9 +707,7 @@ class TestCloudStorage:
         assert stats["total_size_bytes"] == 2 * 1024 * 1024
         assert stats["total_size_mb"] == pytest.approx(2.0)
 
-    def test_get_storage_stats_on_error(
-        self, mock_boto3_module, s3_config
-    ) -> None:
+    def test_get_storage_stats_on_error(self, mock_boto3_module, s3_config) -> None:
         """get_storage_stats must return error dict without raising on failure."""
         from src.backup.cloud_storage import CloudStorage
 
@@ -754,9 +718,7 @@ class TestCloudStorage:
         assert "error" in stats
         assert stats["total_files"] == 0
 
-    def test_verify_connection_success(
-        self, mock_boto3_module, s3_config
-    ) -> None:
+    def test_verify_connection_success(self, mock_boto3_module, s3_config) -> None:
         """verify_connection must return True when head_bucket succeeds."""
         from src.backup.cloud_storage import CloudStorage
 
@@ -764,9 +726,7 @@ class TestCloudStorage:
         result = storage.verify_connection()
         assert result is True
 
-    def test_verify_connection_failure(
-        self, mock_boto3_module, s3_config
-    ) -> None:
+    def test_verify_connection_failure(self, mock_boto3_module, s3_config) -> None:
         """verify_connection must return False when head_bucket raises."""
         from src.backup.cloud_storage import CloudStorage
 
@@ -776,9 +736,7 @@ class TestCloudStorage:
         result = storage.verify_connection()
         assert result is False
 
-    def test_enable_versioning(
-        self, mock_boto3_module, s3_config
-    ) -> None:
+    def test_enable_versioning(self, mock_boto3_module, s3_config) -> None:
         """enable_versioning must call put_bucket_versioning."""
         from src.backup.cloud_storage import CloudStorage
 
@@ -786,9 +744,7 @@ class TestCloudStorage:
         storage.enable_versioning()
         storage.client.put_bucket_versioning.assert_called_once()
 
-    def test_enable_versioning_propagates_error(
-        self, mock_boto3_module, s3_config
-    ) -> None:
+    def test_enable_versioning_propagates_error(self, mock_boto3_module, s3_config) -> None:
         """enable_versioning must re-raise exceptions from the boto3 client."""
         from src.backup.cloud_storage import CloudStorage
 

tests/test_brain.py

@@ -323,7 +323,8 @@ class TestPromptOverride:
             # Verify the custom prompt was sent, not a built prompt
             mock_generate.assert_called_once()
             actual_prompt = mock_generate.call_args[1].get(
-                "contents", mock_generate.call_args[0][1] if len(mock_generate.call_args[0]) > 1 else None
+                "contents",
+                mock_generate.call_args[0][1] if len(mock_generate.call_args[0]) > 1 else None,
             )
             assert actual_prompt == custom_prompt
             # Raw response preserved in rationale without parse_response (#247)
@@ -385,7 +386,8 @@ class TestPromptOverride:
             await client.decide(market_data)
 
             actual_prompt = mock_generate.call_args[1].get(
-                "contents", mock_generate.call_args[0][1] if len(mock_generate.call_args[0]) > 1 else None
+                "contents",
+                mock_generate.call_args[0][1] if len(mock_generate.call_args[0]) > 1 else None,
             )
             # The custom prompt must be used, not the compressed prompt
             assert actual_prompt == custom_prompt
@@ -411,7 +413,8 @@ class TestPromptOverride:
             await client.decide(market_data)
 
             actual_prompt = mock_generate.call_args[1].get(
-                "contents", mock_generate.call_args[0][1] if len(mock_generate.call_args[0]) > 1 else None
+                "contents",
+                mock_generate.call_args[0][1] if len(mock_generate.call_args[0]) > 1 else None,
             )
             # Should contain stock code from build_prompt, not be a custom override
             assert "005930" in actual_prompt

tests/test_broker.py

@@ -3,7 +3,7 @@
 from __future__ import annotations
 
 import asyncio
-from unittest.mock import AsyncMock, MagicMock, patch
+from unittest.mock import AsyncMock, patch
 
 import pytest
 
@@ -99,7 +99,10 @@ class TestTokenManagement:
         mock_resp_403 = AsyncMock()
         mock_resp_403.status = 403
         mock_resp_403.text = AsyncMock(
-            return_value='{"error_code":"EGW00133","error_description":"접근토큰 발급 잠시 후 다시 시도하세요(1분당 1회)"}'
+            return_value=(
+                '{"error_code":"EGW00133","error_description":'
+                '"접근토큰 발급 잠시 후 다시 시도하세요(1분당 1회)"}'
+            )
         )
         mock_resp_403.__aenter__ = AsyncMock(return_value=mock_resp_403)
         mock_resp_403.__aexit__ = AsyncMock(return_value=False)
@@ -232,9 +235,7 @@ class TestRateLimiter:
         mock_order_resp.__aenter__ = AsyncMock(return_value=mock_order_resp)
         mock_order_resp.__aexit__ = AsyncMock(return_value=False)
 
-        with patch(
-            "aiohttp.ClientSession.post", side_effect=[mock_hash_resp, mock_order_resp]
-        ):
+        with patch("aiohttp.ClientSession.post", side_effect=[mock_hash_resp, mock_order_resp]):
             with patch.object(
                 broker._rate_limiter, "acquire", new_callable=AsyncMock
             ) as mock_acquire:
@@ -405,7 +406,7 @@ class TestFetchMarketRankings:
 # ---------------------------------------------------------------------------
 
 
-from src.broker.kis_api import kr_tick_unit, kr_round_down  # noqa: E402
+from src.broker.kis_api import kr_round_down, kr_tick_unit  # noqa: E402
 
 
 class TestKrTickUnit:
@@ -435,13 +436,13 @@ class TestKrTickUnit:
     @pytest.mark.parametrize(
         "price, expected_rounded",
         [
-            (188150, 188100),   # 100원 단위, 50원 잔여 → 내림
-            (188100, 188100),   # 이미 정렬됨
-            (75050, 75000),     # 100원 단위, 50원 잔여 → 내림
-            (49950, 49950),     # 50원 단위 정렬됨
-            (49960, 49950),     # 50원 단위, 10원 잔여 → 내림
-            (1999, 1999),       # 1원 단위 → 그대로
-            (5003, 5000),       # 10원 단위, 3원 잔여 → 내림
+            (188150, 188100),  # 100원 단위, 50원 잔여 → 내림
+            (188100, 188100),  # 이미 정렬됨
+            (75050, 75000),  # 100원 단위, 50원 잔여 → 내림
+            (49950, 49950),  # 50원 단위 정렬됨
+            (49960, 49950),  # 50원 단위, 10원 잔여 → 내림
+            (1999, 1999),  # 1원 단위 → 그대로
+            (5003, 5000),  # 10원 단위, 3원 잔여 → 내림
         ],
     )
     def test_round_down_to_tick(self, price: int, expected_rounded: int) -> None:
@@ -538,15 +539,13 @@ class TestSendOrderTickRounding:
         mock_order.__aenter__ = AsyncMock(return_value=mock_order)
         mock_order.__aexit__ = AsyncMock(return_value=False)
 
-        with patch(
-            "aiohttp.ClientSession.post", side_effect=[mock_hash, mock_order]
-        ) as mock_post:
+        with patch("aiohttp.ClientSession.post", side_effect=[mock_hash, mock_order]) as mock_post:
             await broker.send_order("005930", "BUY", 1, price=188150)
 
         order_call = mock_post.call_args_list[1]
         body = order_call[1].get("json", {})
         assert body["ORD_UNPR"] == "188100"  # rounded down
-        assert body["ORD_DVSN"] == "00"       # 지정가
+        assert body["ORD_DVSN"] == "00"  # 지정가
 
     @pytest.mark.asyncio
     async def test_limit_order_ord_dvsn_is_00(self, broker: KISBroker) -> None:
@@ -563,9 +562,7 @@ class TestSendOrderTickRounding:
         mock_order.__aenter__ = AsyncMock(return_value=mock_order)
         mock_order.__aexit__ = AsyncMock(return_value=False)
 
-        with patch(
-            "aiohttp.ClientSession.post", side_effect=[mock_hash, mock_order]
-        ) as mock_post:
+        with patch("aiohttp.ClientSession.post", side_effect=[mock_hash, mock_order]) as mock_post:
             await broker.send_order("005930", "BUY", 1, price=50000)
 
         order_call = mock_post.call_args_list[1]
@@ -587,9 +584,7 @@ class TestSendOrderTickRounding:
         mock_order.__aenter__ = AsyncMock(return_value=mock_order)
         mock_order.__aexit__ = AsyncMock(return_value=False)
 
-        with patch(
-            "aiohttp.ClientSession.post", side_effect=[mock_hash, mock_order]
-        ) as mock_post:
+        with patch("aiohttp.ClientSession.post", side_effect=[mock_hash, mock_order]) as mock_post:
             await broker.send_order("005930", "SELL", 1, price=0)
 
         order_call = mock_post.call_args_list[1]
@@ -628,9 +623,7 @@ class TestTRIDBranchingDomestic:
         broker = self._make_broker(settings, "paper")
         mock_resp = AsyncMock()
         mock_resp.status = 200
-        mock_resp.json = AsyncMock(
-            return_value={"output1": [], "output2": {}}
-        )
+        mock_resp.json = AsyncMock(return_value={"output1": [], "output2": {}})
         mock_resp.__aenter__ = AsyncMock(return_value=mock_resp)
         mock_resp.__aexit__ = AsyncMock(return_value=False)
 
@@ -645,9 +638,7 @@ class TestTRIDBranchingDomestic:
         broker = self._make_broker(settings, "live")
         mock_resp = AsyncMock()
         mock_resp.status = 200
-        mock_resp.json = AsyncMock(
-            return_value={"output1": [], "output2": {}}
-        )
+        mock_resp.json = AsyncMock(return_value={"output1": [], "output2": {}})
         mock_resp.__aenter__ = AsyncMock(return_value=mock_resp)
         mock_resp.__aexit__ = AsyncMock(return_value=False)
 
@@ -672,9 +663,7 @@ class TestTRIDBranchingDomestic:
         mock_order.__aenter__ = AsyncMock(return_value=mock_order)
         mock_order.__aexit__ = AsyncMock(return_value=False)
 
-        with patch(
-            "aiohttp.ClientSession.post", side_effect=[mock_hash, mock_order]
-        ) as mock_post:
+        with patch("aiohttp.ClientSession.post", side_effect=[mock_hash, mock_order]) as mock_post:
             await broker.send_order("005930", "BUY", 1)
 
         order_headers = mock_post.call_args_list[1][1].get("headers", {})
@@ -695,9 +684,7 @@ class TestTRIDBranchingDomestic:
         mock_order.__aenter__ = AsyncMock(return_value=mock_order)
         mock_order.__aexit__ = AsyncMock(return_value=False)
 
-        with patch(
-            "aiohttp.ClientSession.post", side_effect=[mock_hash, mock_order]
-        ) as mock_post:
+        with patch("aiohttp.ClientSession.post", side_effect=[mock_hash, mock_order]) as mock_post:
             await broker.send_order("005930", "BUY", 1)
 
         order_headers = mock_post.call_args_list[1][1].get("headers", {})
@@ -718,9 +705,7 @@ class TestTRIDBranchingDomestic:
         mock_order.__aenter__ = AsyncMock(return_value=mock_order)
         mock_order.__aexit__ = AsyncMock(return_value=False)
 
-        with patch(
-            "aiohttp.ClientSession.post", side_effect=[mock_hash, mock_order]
-        ) as mock_post:
+        with patch("aiohttp.ClientSession.post", side_effect=[mock_hash, mock_order]) as mock_post:
             await broker.send_order("005930", "SELL", 1)
 
         order_headers = mock_post.call_args_list[1][1].get("headers", {})
@@ -741,9 +726,7 @@ class TestTRIDBranchingDomestic:
         mock_order.__aenter__ = AsyncMock(return_value=mock_order)
         mock_order.__aexit__ = AsyncMock(return_value=False)
 
-        with patch(
-            "aiohttp.ClientSession.post", side_effect=[mock_hash, mock_order]
-        ) as mock_post:
+        with patch("aiohttp.ClientSession.post", side_effect=[mock_hash, mock_order]) as mock_post:
             await broker.send_order("005930", "SELL", 1)
 
         order_headers = mock_post.call_args_list[1][1].get("headers", {})
@@ -788,9 +771,7 @@ class TestGetDomesticPendingOrders:
         mock_get.assert_not_called()
 
     @pytest.mark.asyncio
-    async def test_live_mode_calls_tttc0084r_with_correct_params(
-        self, settings
-    ) -> None:
+    async def test_live_mode_calls_tttc0084r_with_correct_params(self, settings) -> None:
         """Live mode must call TTTC0084R with INQR_DVSN_1/2 and paging params."""
         broker = self._make_broker(settings, "live")
         pending = [{"odno": "001", "pdno": "005930", "psbl_qty": "10"}]
@@ -872,9 +853,7 @@ class TestCancelDomesticOrder:
         broker = self._make_broker(settings, "live")
         mock_hash, mock_order = self._make_post_mocks({"rt_cd": "0"})
 
-        with patch(
-            "aiohttp.ClientSession.post", side_effect=[mock_hash, mock_order]
-        ) as mock_post:
+        with patch("aiohttp.ClientSession.post", side_effect=[mock_hash, mock_order]) as mock_post:
             await broker.cancel_domestic_order("005930", "ORD001", "BRNO01", 5)
 
         order_headers = mock_post.call_args_list[1][1].get("headers", {})
@@ -886,9 +865,7 @@ class TestCancelDomesticOrder:
         broker = self._make_broker(settings, "paper")
         mock_hash, mock_order = self._make_post_mocks({"rt_cd": "0"})
 
-        with patch(
-            "aiohttp.ClientSession.post", side_effect=[mock_hash, mock_order]
-        ) as mock_post:
+        with patch("aiohttp.ClientSession.post", side_effect=[mock_hash, mock_order]) as mock_post:
             await broker.cancel_domestic_order("005930", "ORD001", "BRNO01", 5)
 
         order_headers = mock_post.call_args_list[1][1].get("headers", {})
@@ -900,9 +877,7 @@ class TestCancelDomesticOrder:
         broker = self._make_broker(settings, "live")
         mock_hash, mock_order = self._make_post_mocks({"rt_cd": "0"})
 
-        with patch(
-            "aiohttp.ClientSession.post", side_effect=[mock_hash, mock_order]
-        ) as mock_post:
+        with patch("aiohttp.ClientSession.post", side_effect=[mock_hash, mock_order]) as mock_post:
             await broker.cancel_domestic_order("005930", "ORD001", "BRNO01", 5)
 
         body = mock_post.call_args_list[1][1].get("json", {})
@@ -916,9 +891,7 @@ class TestCancelDomesticOrder:
         broker = self._make_broker(settings, "live")
         mock_hash, mock_order = self._make_post_mocks({"rt_cd": "0"})
 
-        with patch(
-            "aiohttp.ClientSession.post", side_effect=[mock_hash, mock_order]
-        ) as mock_post:
+        with patch("aiohttp.ClientSession.post", side_effect=[mock_hash, mock_order]) as mock_post:
             await broker.cancel_domestic_order("005930", "ORD123", "BRN456", 3)
 
         body = mock_post.call_args_list[1][1].get("json", {})
@@ -932,9 +905,7 @@ class TestCancelDomesticOrder:
         broker = self._make_broker(settings, "live")
         mock_hash, mock_order = self._make_post_mocks({"rt_cd": "0"})
 
-        with patch(
-            "aiohttp.ClientSession.post", side_effect=[mock_hash, mock_order]
-        ) as mock_post:
+        with patch("aiohttp.ClientSession.post", side_effect=[mock_hash, mock_order]) as mock_post:
             await broker.cancel_domestic_order("005930", "ORD001", "BRNO01", 2)
 
         order_headers = mock_post.call_args_list[1][1].get("headers", {})

tests/test_context.py

@@ -77,9 +77,7 @@ class TestContextStore:
         # Latest by updated_at, which should be the last one set
         assert latest == "2026-02-02"
 
-    def test_delete_old_contexts(
-        self, store: ContextStore, db_conn: sqlite3.Connection
-    ) -> None:
+    def test_delete_old_contexts(self, store: ContextStore, db_conn: sqlite3.Connection) -> None:
         """Test deleting contexts older than a cutoff date."""
         # Insert contexts with specific old timestamps
         # (bypassing set_context which uses current time)
@@ -170,9 +168,7 @@ class TestContextAggregator:
         log_trade(db_conn, "035720", "HOLD", 75, "Wait", quantity=0, price=0, pnl=0)
 
         # Manually set timestamps to the target date
-        db_conn.execute(
-            f"UPDATE trades SET timestamp = '{date}T10:00:00+00:00'"
-        )
+        db_conn.execute(f"UPDATE trades SET timestamp = '{date}T10:00:00+00:00'")
         db_conn.commit()
 
         # Aggregate
@@ -194,18 +190,10 @@ class TestContextAggregator:
         week = "2026-W06"
 
         # Set daily contexts
-        aggregator.store.set_context(
-            ContextLayer.L6_DAILY, "2026-02-02", "total_pnl_KR", 100.0
-        )
-        aggregator.store.set_context(
-            ContextLayer.L6_DAILY, "2026-02-03", "total_pnl_KR", 200.0
-        )
-        aggregator.store.set_context(
-            ContextLayer.L6_DAILY, "2026-02-02", "avg_confidence_KR", 80.0
-        )
-        aggregator.store.set_context(
-            ContextLayer.L6_DAILY, "2026-02-03", "avg_confidence_KR", 85.0
-        )
+        aggregator.store.set_context(ContextLayer.L6_DAILY, "2026-02-02", "total_pnl_KR", 100.0)
+        aggregator.store.set_context(ContextLayer.L6_DAILY, "2026-02-03", "total_pnl_KR", 200.0)
+        aggregator.store.set_context(ContextLayer.L6_DAILY, "2026-02-02", "avg_confidence_KR", 80.0)
+        aggregator.store.set_context(ContextLayer.L6_DAILY, "2026-02-03", "avg_confidence_KR", 85.0)
 
         # Aggregate
         aggregator.aggregate_weekly_from_daily(week)
@@ -223,15 +211,9 @@ class TestContextAggregator:
         month = "2026-02"
 
         # Set weekly contexts
-        aggregator.store.set_context(
-            ContextLayer.L5_WEEKLY, "2026-W05", "weekly_pnl_KR", 100.0
-        )
-        aggregator.store.set_context(
-            ContextLayer.L5_WEEKLY, "2026-W06", "weekly_pnl_KR", 200.0
-        )
-        aggregator.store.set_context(
-            ContextLayer.L5_WEEKLY, "2026-W07", "weekly_pnl_KR", 150.0
-        )
+        aggregator.store.set_context(ContextLayer.L5_WEEKLY, "2026-W05", "weekly_pnl_KR", 100.0)
+        aggregator.store.set_context(ContextLayer.L5_WEEKLY, "2026-W06", "weekly_pnl_KR", 200.0)
+        aggregator.store.set_context(ContextLayer.L5_WEEKLY, "2026-W07", "weekly_pnl_KR", 150.0)
 
         # Aggregate
         aggregator.aggregate_monthly_from_weekly(month)
@@ -316,6 +298,7 @@ class TestContextAggregator:
         store = aggregator.store
         assert store.get_context(ContextLayer.L6_DAILY, date, "total_pnl_KR") == 1000.0
         from datetime import date as date_cls
+
         trade_date = date_cls.fromisoformat(date)
         iso_year, iso_week, _ = trade_date.isocalendar()
         trade_week = f"{iso_year}-W{iso_week:02d}"
@@ -324,7 +307,9 @@ class TestContextAggregator:
         trade_quarter = f"{trade_date.year}-Q{(trade_date.month - 1) // 3 + 1}"
         trade_year = str(trade_date.year)
         assert store.get_context(ContextLayer.L4_MONTHLY, trade_month, "monthly_pnl") == 1000.0
-        assert store.get_context(ContextLayer.L3_QUARTERLY, trade_quarter, "quarterly_pnl") == 1000.0
+        assert (
+            store.get_context(ContextLayer.L3_QUARTERLY, trade_quarter, "quarterly_pnl") == 1000.0
+        )
         assert store.get_context(ContextLayer.L2_ANNUAL, trade_year, "annual_pnl") == 1000.0
 
 
@@ -429,9 +414,7 @@ class TestContextSummarizer:
     # summarize_layer
     # ------------------------------------------------------------------
 
-    def test_summarize_layer_no_data(
-        self, summarizer: ContextSummarizer
-    ) -> None:
+    def test_summarize_layer_no_data(self, summarizer: ContextSummarizer) -> None:
         """summarize_layer with no data must return the 'No data' sentinel."""
         result = summarizer.summarize_layer(ContextLayer.L6_DAILY)
         assert result["count"] == 0
@@ -448,15 +431,12 @@ class TestContextSummarizer:
         result = summarizer.summarize_layer(ContextLayer.L6_DAILY)
         assert "total_entries" in result
 
-    def test_summarize_layer_with_dict_values(
-        self, summarizer: ContextSummarizer
-    ) -> None:
+    def test_summarize_layer_with_dict_values(self, summarizer: ContextSummarizer) -> None:
         """summarize_layer must handle dict values by extracting numeric subkeys."""
         store = summarizer.store
         # set_context serialises the value as JSON, so passing a dict works
         store.set_context(
-            ContextLayer.L6_DAILY, "2026-02-01", "metrics",
-            {"win_rate": 65.0, "label": "good"}
+            ContextLayer.L6_DAILY, "2026-02-01", "metrics", {"win_rate": 65.0, "label": "good"}
         )
 
         result = summarizer.summarize_layer(ContextLayer.L6_DAILY)
@@ -464,9 +444,7 @@ class TestContextSummarizer:
         # numeric subkey "win_rate" should appear as "metrics.win_rate"
         assert "metrics.win_rate" in result
 
-    def test_summarize_layer_with_string_values(
-        self, summarizer: ContextSummarizer
-    ) -> None:
+    def test_summarize_layer_with_string_values(self, summarizer: ContextSummarizer) -> None:
         """summarize_layer must count string values separately."""
         store = summarizer.store
         # set_context stores string values as JSON-encoded strings
@@ -480,9 +458,7 @@ class TestContextSummarizer:
     # rolling_window_summary
     # ------------------------------------------------------------------
 
-    def test_rolling_window_summary_basic(
-        self, summarizer: ContextSummarizer
-    ) -> None:
+    def test_rolling_window_summary_basic(self, summarizer: ContextSummarizer) -> None:
         """rolling_window_summary must return the expected structure."""
         store = summarizer.store
         store.set_context(ContextLayer.L6_DAILY, "2026-02-01", "pnl", 500.0)
@@ -492,22 +468,16 @@ class TestContextSummarizer:
         assert "recent_data" in result
         assert "historical_summary" in result
 
-    def test_rolling_window_summary_no_older_data(
-        self, summarizer: ContextSummarizer
-    ) -> None:
+    def test_rolling_window_summary_no_older_data(self, summarizer: ContextSummarizer) -> None:
         """rolling_window_summary with summarize_older=False skips history."""
-        result = summarizer.rolling_window_summary(
-            ContextLayer.L6_DAILY, summarize_older=False
-        )
+        result = summarizer.rolling_window_summary(ContextLayer.L6_DAILY, summarize_older=False)
         assert result["historical_summary"] == {}
 
     # ------------------------------------------------------------------
     # aggregate_to_higher_layer
     # ------------------------------------------------------------------
 
-    def test_aggregate_to_higher_layer_mean(
-        self, summarizer: ContextSummarizer
-    ) -> None:
+    def test_aggregate_to_higher_layer_mean(self, summarizer: ContextSummarizer) -> None:
         """aggregate_to_higher_layer with 'mean' via dict subkeys returns average."""
         store = summarizer.store
         # Use different outer keys but same inner metric key so get_all_contexts
@@ -520,9 +490,7 @@ class TestContextSummarizer:
         )
         assert result == pytest.approx(150.0)
 
-    def test_aggregate_to_higher_layer_sum(
-        self, summarizer: ContextSummarizer
-    ) -> None:
+    def test_aggregate_to_higher_layer_sum(self, summarizer: ContextSummarizer) -> None:
         """aggregate_to_higher_layer with 'sum' must return the total."""
         store = summarizer.store
         store.set_context(ContextLayer.L6_DAILY, "2026-02-01", "day1", {"pnl": 100.0})
@@ -533,9 +501,7 @@ class TestContextSummarizer:
         )
         assert result == pytest.approx(300.0)
 
-    def test_aggregate_to_higher_layer_max(
-        self, summarizer: ContextSummarizer
-    ) -> None:
+    def test_aggregate_to_higher_layer_max(self, summarizer: ContextSummarizer) -> None:
         """aggregate_to_higher_layer with 'max' must return the maximum."""
         store = summarizer.store
         store.set_context(ContextLayer.L6_DAILY, "2026-02-01", "day1", {"pnl": 100.0})
@@ -546,9 +512,7 @@ class TestContextSummarizer:
         )
         assert result == pytest.approx(200.0)
 
-    def test_aggregate_to_higher_layer_min(
-        self, summarizer: ContextSummarizer
-    ) -> None:
+    def test_aggregate_to_higher_layer_min(self, summarizer: ContextSummarizer) -> None:
         """aggregate_to_higher_layer with 'min' must return the minimum."""
         store = summarizer.store
         store.set_context(ContextLayer.L6_DAILY, "2026-02-01", "day1", {"pnl": 100.0})
@@ -559,9 +523,7 @@ class TestContextSummarizer:
         )
         assert result == pytest.approx(100.0)
 
-    def test_aggregate_to_higher_layer_no_data(
-        self, summarizer: ContextSummarizer
-    ) -> None:
+    def test_aggregate_to_higher_layer_no_data(self, summarizer: ContextSummarizer) -> None:
         """aggregate_to_higher_layer with no matching key must return None."""
         result = summarizer.aggregate_to_higher_layer(
             ContextLayer.L6_DAILY, ContextLayer.L5_WEEKLY, "nonexistent", "mean"
@@ -585,9 +547,7 @@ class TestContextSummarizer:
     # create_compact_summary + format_summary_for_prompt
     # ------------------------------------------------------------------
 
-    def test_create_compact_summary(
-        self, summarizer: ContextSummarizer
-    ) -> None:
+    def test_create_compact_summary(self, summarizer: ContextSummarizer) -> None:
         """create_compact_summary must produce a dict keyed by layer value."""
         store = summarizer.store
         store.set_context(ContextLayer.L6_DAILY, "2026-02-01", "pnl", 100.0)
@@ -615,9 +575,7 @@ class TestContextSummarizer:
         text = summarizer.format_summary_for_prompt(summary)
         assert text == ""
 
-    def test_format_summary_non_dict_value(
-        self, summarizer: ContextSummarizer
-    ) -> None:
+    def test_format_summary_non_dict_value(self, summarizer: ContextSummarizer) -> None:
         """format_summary_for_prompt must render non-dict values as plain text."""
         summary = {
             "daily": {

tests/test_daily_review.py

@@ -4,6 +4,7 @@ from __future__ import annotations
 
 import json
 import sqlite3
+from datetime import UTC, datetime
 from types import SimpleNamespace
 from unittest.mock import AsyncMock, MagicMock
 
@@ -16,8 +17,6 @@ from src.evolution.daily_review import DailyReviewer
 from src.evolution.scorecard import DailyScorecard
 from src.logging.decision_logger import DecisionLogger
 
-from datetime import UTC, datetime
-
 TODAY = datetime.now(UTC).strftime("%Y-%m-%d")
 
 
@@ -53,7 +52,8 @@ def _log_decision(
 
 
 def test_generate_scorecard_market_scoped(
-    db_conn: sqlite3.Connection, context_store: ContextStore,
+    db_conn: sqlite3.Connection,
+    context_store: ContextStore,
 ) -> None:
     reviewer = DailyReviewer(db_conn, context_store)
     logger = DecisionLogger(db_conn)
@@ -134,7 +134,8 @@ def test_generate_scorecard_market_scoped(
 
 
 def test_generate_scorecard_top_winners_and_losers(
-    db_conn: sqlite3.Connection, context_store: ContextStore,
+    db_conn: sqlite3.Connection,
+    context_store: ContextStore,
 ) -> None:
     reviewer = DailyReviewer(db_conn, context_store)
     logger = DecisionLogger(db_conn)
@@ -168,7 +169,8 @@ def test_generate_scorecard_top_winners_and_losers(
 
 
 def test_generate_scorecard_empty_day(
-    db_conn: sqlite3.Connection, context_store: ContextStore,
+    db_conn: sqlite3.Connection,
+    context_store: ContextStore,
 ) -> None:
     reviewer = DailyReviewer(db_conn, context_store)
     scorecard = reviewer.generate_scorecard(TODAY, "KR")
@@ -184,7 +186,8 @@ def test_generate_scorecard_empty_day(
 
 @pytest.mark.asyncio
 async def test_generate_lessons_without_gemini_returns_empty(
-    db_conn: sqlite3.Connection, context_store: ContextStore,
+    db_conn: sqlite3.Connection,
+    context_store: ContextStore,
 ) -> None:
     reviewer = DailyReviewer(db_conn, context_store, gemini_client=None)
     lessons = await reviewer.generate_lessons(
@@ -206,7 +209,8 @@ async def test_generate_lessons_without_gemini_returns_empty(
 
 @pytest.mark.asyncio
 async def test_generate_lessons_parses_json_array(
-    db_conn: sqlite3.Connection, context_store: ContextStore,
+    db_conn: sqlite3.Connection,
+    context_store: ContextStore,
 ) -> None:
     mock_gemini = MagicMock()
     mock_gemini.decide = AsyncMock(
@@ -233,7 +237,8 @@ async def test_generate_lessons_parses_json_array(
 
 @pytest.mark.asyncio
 async def test_generate_lessons_fallback_to_lines(
-    db_conn: sqlite3.Connection, context_store: ContextStore,
+    db_conn: sqlite3.Connection,
+    context_store: ContextStore,
 ) -> None:
     mock_gemini = MagicMock()
     mock_gemini.decide = AsyncMock(
@@ -260,7 +265,8 @@ async def test_generate_lessons_fallback_to_lines(
 
 @pytest.mark.asyncio
 async def test_generate_lessons_handles_gemini_error(
-    db_conn: sqlite3.Connection, context_store: ContextStore,
+    db_conn: sqlite3.Connection,
+    context_store: ContextStore,
 ) -> None:
     mock_gemini = MagicMock()
     mock_gemini.decide = AsyncMock(side_effect=RuntimeError("boom"))
@@ -284,7 +290,8 @@ async def test_generate_lessons_handles_gemini_error(
 
 
 def test_store_scorecard_in_context(
-    db_conn: sqlite3.Connection, context_store: ContextStore,
+    db_conn: sqlite3.Connection,
+    context_store: ContextStore,
 ) -> None:
     reviewer = DailyReviewer(db_conn, context_store)
     scorecard = DailyScorecard(
@@ -316,7 +323,8 @@ def test_store_scorecard_in_context(
 
 
 def test_store_scorecard_key_is_market_scoped(
-    db_conn: sqlite3.Connection, context_store: ContextStore,
+    db_conn: sqlite3.Connection,
+    context_store: ContextStore,
 ) -> None:
     reviewer = DailyReviewer(db_conn, context_store)
     kr = DailyScorecard(
@@ -357,7 +365,8 @@ def test_store_scorecard_key_is_market_scoped(
 
 
 def test_generate_scorecard_handles_invalid_context_snapshot(
-    db_conn: sqlite3.Connection, context_store: ContextStore,
+    db_conn: sqlite3.Connection,
+    context_store: ContextStore,
 ) -> None:
     reviewer = DailyReviewer(db_conn, context_store)
     db_conn.execute(

tests/test_dashboard.py

@@ -355,6 +355,7 @@ def test_positions_empty_when_no_trades(tmp_path: Path) -> None:
 
 def _seed_cb_context(conn: sqlite3.Connection, pnl_pct: float, market: str = "KR") -> None:
     import json as _json
+
     conn.execute(
         "INSERT OR REPLACE INTO system_metrics (key, value, updated_at) VALUES (?, ?, ?)",
         (

tests/test_data_integration.py

@@ -79,7 +79,7 @@ class TestNewsAPI:
         # Mock the fetch to avoid real API call
         with patch.object(api, "_fetch_news", new_callable=AsyncMock) as mock_fetch:
             mock_fetch.return_value = None
-            result = await api.get_news_sentiment("AAPL")
+            await api.get_news_sentiment("AAPL")
 
             # Should have attempted refetch since cache expired
             mock_fetch.assert_called_once_with("AAPL")
@@ -111,9 +111,7 @@ class TestNewsAPI:
                     "source": "Reuters",
                     "time_published": "2026-02-04T10:00:00",
                     "url": "https://example.com/1",
-                    "ticker_sentiment": [
-                        {"ticker": "AAPL", "ticker_sentiment_score": "0.85"}
-                    ],
+                    "ticker_sentiment": [{"ticker": "AAPL", "ticker_sentiment_score": "0.85"}],
                     "overall_sentiment_score": "0.75",
                 },
                 {
@@ -122,9 +120,7 @@ class TestNewsAPI:
                     "source": "Bloomberg",
                     "time_published": "2026-02-04T09:00:00",
                     "url": "https://example.com/2",
-                    "ticker_sentiment": [
-                        {"ticker": "AAPL", "ticker_sentiment_score": "-0.3"}
-                    ],
+                    "ticker_sentiment": [{"ticker": "AAPL", "ticker_sentiment_score": "-0.3"}],
                     "overall_sentiment_score": "-0.2",
                 },
             ]
@@ -661,7 +657,9 @@ class TestGeminiClientWithExternalData:
         )
 
         # Mock the Gemini API call
-        with patch.object(client._client.aio.models, "generate_content", new_callable=AsyncMock) as mock_gen:
+        with patch.object(
+            client._client.aio.models, "generate_content", new_callable=AsyncMock
+        ) as mock_gen:
             mock_response = MagicMock()
             mock_response.text = '{"action": "BUY", "confidence": 85, "rationale": "Good news"}'
             mock_gen.return_value = mock_response

tests/test_db.py

@@ -1,7 +1,7 @@
 """Tests for database helper functions."""
 
-import tempfile
 import os
+import tempfile
 
 from src.db import get_latest_buy_trade, get_open_position, init_db, log_trade
 
@@ -204,7 +204,8 @@ def test_mode_migration_adds_column_to_existing_db() -> None:
         assert "strategy_pnl" in columns
         assert "fx_pnl" in columns
         migrated = conn.execute(
-            "SELECT pnl, strategy_pnl, fx_pnl, session_id FROM trades WHERE stock_code='AAPL' LIMIT 1"
+            "SELECT pnl, strategy_pnl, fx_pnl, session_id "
+            "FROM trades WHERE stock_code='AAPL' LIMIT 1"
         ).fetchone()
         assert migrated is not None
         assert migrated[0] == 123.45
@@ -407,9 +408,7 @@ def test_decision_logs_session_id_migration_backfills_unknown() -> None:
         conn = init_db(db_path)
         columns = {row[1] for row in conn.execute("PRAGMA table_info(decision_logs)").fetchall()}
         assert "session_id" in columns
-        row = conn.execute(
-            "SELECT session_id FROM decision_logs WHERE decision_id='d1'"
-        ).fetchone()
+        row = conn.execute("SELECT session_id FROM decision_logs WHERE decision_id='d1'").fetchone()
         assert row is not None
         assert row[0] == "UNKNOWN"
         conn.close()

tests/test_decision_logger.py

@@ -49,7 +49,10 @@ def test_log_decision_creates_record(logger: DecisionLogger, db_conn: sqlite3.Co
 
     # Verify record exists in database
     cursor = db_conn.execute(
-        "SELECT decision_id, action, confidence, session_id FROM decision_logs WHERE decision_id = ?",
+        (
+            "SELECT decision_id, action, confidence, session_id "
+            "FROM decision_logs WHERE decision_id = ?"
+        ),
         (decision_id,),
     )
     row = cursor.fetchone()

tests/test_evolution.py

@@ -208,7 +208,9 @@ def test_identify_failure_patterns_empty(optimizer: EvolutionOptimizer) -> None:
 
 
 @pytest.mark.asyncio
-async def test_generate_strategy_creates_file(optimizer: EvolutionOptimizer, tmp_path: Path) -> None:
+async def test_generate_strategy_creates_file(
+    optimizer: EvolutionOptimizer, tmp_path: Path
+) -> None:
     """Test that generate_strategy creates a strategy file."""
     failures = [
         {
@@ -234,7 +236,9 @@ async def test_generate_strategy_creates_file(optimizer: EvolutionOptimizer, tmp
     return {"action": "HOLD", "confidence": 50, "rationale": "Waiting"}
     """
 
-    with patch.object(optimizer._client.aio.models, "generate_content", new=AsyncMock(return_value=mock_response)):
+    with patch.object(
+        optimizer._client.aio.models, "generate_content", new=AsyncMock(return_value=mock_response)
+    ):
         with patch("src.evolution.optimizer.STRATEGIES_DIR", tmp_path):
             strategy_path = await optimizer.generate_strategy(failures)
 
@@ -247,7 +251,8 @@ async def test_generate_strategy_creates_file(optimizer: EvolutionOptimizer, tmp
 
 @pytest.mark.asyncio
 async def test_generate_strategy_saves_valid_python_code(
-    optimizer: EvolutionOptimizer, tmp_path: Path,
+    optimizer: EvolutionOptimizer,
+    tmp_path: Path,
 ) -> None:
     """Test that syntactically valid generated code is saved."""
     failures = [{"decision_id": "1", "timestamp": "2024-01-15T09:30:00+00:00"}]
@@ -255,12 +260,14 @@ async def test_generate_strategy_saves_valid_python_code(
     mock_response = Mock()
     mock_response.text = (
         'price = market_data.get("current_price", 0)\n'
-        'if price > 0:\n'
+        "if price > 0:\n"
         '    return {"action": "BUY", "confidence": 80, "rationale": "Positive price"}\n'
         'return {"action": "HOLD", "confidence": 50, "rationale": "No signal"}\n'
     )
 
-    with patch.object(optimizer._client.aio.models, "generate_content", new=AsyncMock(return_value=mock_response)):
+    with patch.object(
+        optimizer._client.aio.models, "generate_content", new=AsyncMock(return_value=mock_response)
+    ):
         with patch("src.evolution.optimizer.STRATEGIES_DIR", tmp_path):
             strategy_path = await optimizer.generate_strategy(failures)
 
@@ -270,7 +277,9 @@ async def test_generate_strategy_saves_valid_python_code(
 
 @pytest.mark.asyncio
 async def test_generate_strategy_blocks_invalid_python_code(
-    optimizer: EvolutionOptimizer, tmp_path: Path, caplog: pytest.LogCaptureFixture,
+    optimizer: EvolutionOptimizer,
+    tmp_path: Path,
+    caplog: pytest.LogCaptureFixture,
 ) -> None:
     """Test that syntactically invalid generated code is not saved."""
     failures = [{"decision_id": "1", "timestamp": "2024-01-15T09:30:00+00:00"}]
@@ -281,7 +290,9 @@ async def test_generate_strategy_blocks_invalid_python_code(
         '    return {"action": "BUY", "confidence": 80, "rationale": "broken"}\n'
     )
 
-    with patch.object(optimizer._client.aio.models, "generate_content", new=AsyncMock(return_value=mock_response)):
+    with patch.object(
+        optimizer._client.aio.models, "generate_content", new=AsyncMock(return_value=mock_response)
+    ):
         with patch("src.evolution.optimizer.STRATEGIES_DIR", tmp_path):
             with caplog.at_level("WARNING"):
                 strategy_path = await optimizer.generate_strategy(failures)
@@ -310,6 +321,7 @@ def test_get_performance_summary() -> None:
     """Test getting performance summary from trades table."""
     # Create a temporary database with trades
     import tempfile
+
     with tempfile.NamedTemporaryFile(suffix=".db", delete=False) as tmp:
         tmp_path = tmp.name
 
@@ -604,7 +616,9 @@ def test_calculate_improvement_trend_declining(performance_tracker: PerformanceT
     assert trend["pnl_change"] == -250.0
 
 
-def test_calculate_improvement_trend_insufficient_data(performance_tracker: PerformanceTracker) -> None:
+def test_calculate_improvement_trend_insufficient_data(
+    performance_tracker: PerformanceTracker,
+) -> None:
     """Test improvement trend with insufficient data."""
     metrics = [
         StrategyMetrics(
@@ -718,7 +732,9 @@ async def test_full_evolution_pipeline(optimizer: EvolutionOptimizer, tmp_path:
     mock_response = Mock()
     mock_response.text = 'return {"action": "HOLD", "confidence": 50, "rationale": "Test"}'
 
-    with patch.object(optimizer._client.aio.models, "generate_content", new=AsyncMock(return_value=mock_response)):
+    with patch.object(
+        optimizer._client.aio.models, "generate_content", new=AsyncMock(return_value=mock_response)
+    ):
         with patch("src.evolution.optimizer.STRATEGIES_DIR", tmp_path):
             with patch("subprocess.run") as mock_run:
                 mock_run.return_value = Mock(returncode=0, stdout="", stderr="")

tests/test_logging_config.py

@@ -103,9 +103,7 @@ class TestSetupLogging:
         """setup_logging must attach a JSON handler to the root logger."""
         setup_logging(level=logging.DEBUG)
         root = logging.getLogger()
-        json_handlers = [
-            h for h in root.handlers if isinstance(h.formatter, JSONFormatter)
-        ]
+        json_handlers = [h for h in root.handlers if isinstance(h.formatter, JSONFormatter)]
         assert len(json_handlers) == 1
         assert root.level == logging.DEBUG
 

tests/test_market_schedule.py

@@ -173,9 +173,7 @@ class TestGetNextMarketOpen:
         """Should find next Monday opening when called on weekend."""
         # Saturday 2026-02-07 12:00 UTC
         test_time = datetime(2026, 2, 7, 12, 0, tzinfo=ZoneInfo("UTC"))
-        market, open_time = get_next_market_open(
-            enabled_markets=["KR"], now=test_time
-        )
+        market, open_time = get_next_market_open(enabled_markets=["KR"], now=test_time)
         assert market.code == "KR"
         # Monday 2026-02-09 09:00 KST
         expected = datetime(2026, 2, 9, 9, 0, tzinfo=ZoneInfo("Asia/Seoul"))
@@ -185,9 +183,7 @@ class TestGetNextMarketOpen:
         """Should find next day opening when called after market close."""
         # Monday 2026-02-02 16:00 KST (after close)
         test_time = datetime(2026, 2, 2, 16, 0, tzinfo=ZoneInfo("Asia/Seoul"))
-        market, open_time = get_next_market_open(
-            enabled_markets=["KR"], now=test_time
-        )
+        market, open_time = get_next_market_open(enabled_markets=["KR"], now=test_time)
         assert market.code == "KR"
         # Tuesday 2026-02-03 09:00 KST
         expected = datetime(2026, 2, 3, 9, 0, tzinfo=ZoneInfo("Asia/Seoul"))
@@ -197,9 +193,7 @@ class TestGetNextMarketOpen:
         """Should find earliest opening market among multiple."""
         # Saturday 2026-02-07 12:00 UTC
         test_time = datetime(2026, 2, 7, 12, 0, tzinfo=ZoneInfo("UTC"))
-        market, open_time = get_next_market_open(
-            enabled_markets=["KR", "US_NASDAQ"], now=test_time
-        )
+        market, open_time = get_next_market_open(enabled_markets=["KR", "US_NASDAQ"], now=test_time)
         # Monday 2026-02-09: KR opens at 09:00 KST = 00:00 UTC
         # Monday 2026-02-09: US opens at 09:30 EST = 14:30 UTC
         # KR opens first
@@ -214,9 +208,7 @@ class TestGetNextMarketOpen:
     def test_get_next_market_open_invalid_market(self) -> None:
         """Should skip invalid market codes."""
         test_time = datetime(2026, 2, 7, 12, 0, tzinfo=ZoneInfo("UTC"))
-        market, _ = get_next_market_open(
-            enabled_markets=["INVALID", "KR"], now=test_time
-        )
+        market, _ = get_next_market_open(enabled_markets=["INVALID", "KR"], now=test_time)
         assert market.code == "KR"
 
     def test_get_next_market_open_prefers_extended_session(self) -> None:

tests/test_overseas_broker.py

@@ -8,7 +8,7 @@ import aiohttp
 import pytest
 
 from src.broker.kis_api import KISBroker
-from src.broker.overseas import OverseasBroker, _PRICE_EXCHANGE_MAP, _RANKING_EXCHANGE_MAP
+from src.broker.overseas import _PRICE_EXCHANGE_MAP, _RANKING_EXCHANGE_MAP, OverseasBroker
 from src.config import Settings
 
 
@@ -85,25 +85,27 @@ class TestConfigDefaults:
         assert mock_settings.OVERSEAS_RANKING_VOLUME_TR_ID == "HHDFS76270000"
 
     def test_fluct_path(self, mock_settings: Settings) -> None:
-        assert mock_settings.OVERSEAS_RANKING_FLUCT_PATH == "/uapi/overseas-stock/v1/ranking/updown-rate"
+        assert (
+            mock_settings.OVERSEAS_RANKING_FLUCT_PATH
+            == "/uapi/overseas-stock/v1/ranking/updown-rate"
+        )
 
     def test_volume_path(self, mock_settings: Settings) -> None:
-        assert mock_settings.OVERSEAS_RANKING_VOLUME_PATH == "/uapi/overseas-stock/v1/ranking/volume-surge"
+        assert (
+            mock_settings.OVERSEAS_RANKING_VOLUME_PATH
+            == "/uapi/overseas-stock/v1/ranking/volume-surge"
+        )
 
 
 class TestFetchOverseasRankings:
     """Test fetch_overseas_rankings method."""
 
     @pytest.mark.asyncio
-    async def test_fluctuation_uses_correct_params(
-        self, overseas_broker: OverseasBroker
-    ) -> None:
+    async def test_fluctuation_uses_correct_params(self, overseas_broker: OverseasBroker) -> None:
         """Fluctuation ranking should use HHDFS76290000, updown-rate path, and correct params."""
         mock_resp = AsyncMock()
         mock_resp.status = 200
-        mock_resp.json = AsyncMock(
-            return_value={"output": [{"symb": "AAPL", "name": "Apple"}]}
-        )
+        mock_resp.json = AsyncMock(return_value={"output": [{"symb": "AAPL", "name": "Apple"}]})
 
         mock_session = MagicMock()
         mock_session.get = MagicMock(return_value=_make_async_cm(mock_resp))
@@ -132,15 +134,11 @@ class TestFetchOverseasRankings:
         overseas_broker._broker._auth_headers.assert_called_with("HHDFS76290000")
 
     @pytest.mark.asyncio
-    async def test_volume_uses_correct_params(
-        self, overseas_broker: OverseasBroker
-    ) -> None:
+    async def test_volume_uses_correct_params(self, overseas_broker: OverseasBroker) -> None:
         """Volume ranking should use HHDFS76270000, volume-surge path, and correct params."""
         mock_resp = AsyncMock()
         mock_resp.status = 200
-        mock_resp.json = AsyncMock(
-            return_value={"output": [{"symb": "TSLA", "name": "Tesla"}]}
-        )
+        mock_resp.json = AsyncMock(return_value={"output": [{"symb": "TSLA", "name": "Tesla"}]})
 
         mock_session = MagicMock()
         mock_session.get = MagicMock(return_value=_make_async_cm(mock_resp))
@@ -169,9 +167,7 @@ class TestFetchOverseasRankings:
         overseas_broker._broker._auth_headers.assert_called_with("HHDFS76270000")
 
     @pytest.mark.asyncio
-    async def test_404_returns_empty_list(
-        self, overseas_broker: OverseasBroker
-    ) -> None:
+    async def test_404_returns_empty_list(self, overseas_broker: OverseasBroker) -> None:
         """HTTP 404 should return empty list (fallback) instead of raising."""
         mock_resp = AsyncMock()
         mock_resp.status = 404
@@ -186,9 +182,7 @@ class TestFetchOverseasRankings:
         assert result == []
 
     @pytest.mark.asyncio
-    async def test_non_404_error_raises(
-        self, overseas_broker: OverseasBroker
-    ) -> None:
+    async def test_non_404_error_raises(self, overseas_broker: OverseasBroker) -> None:
         """Non-404 HTTP errors should raise ConnectionError."""
         mock_resp = AsyncMock()
         mock_resp.status = 500
@@ -203,9 +197,7 @@ class TestFetchOverseasRankings:
             await overseas_broker.fetch_overseas_rankings("NASD")
 
     @pytest.mark.asyncio
-    async def test_empty_response_returns_empty(
-        self, overseas_broker: OverseasBroker
-    ) -> None:
+    async def test_empty_response_returns_empty(self, overseas_broker: OverseasBroker) -> None:
         """Empty output in response should return empty list."""
         mock_resp = AsyncMock()
         mock_resp.status = 200
@@ -220,18 +212,14 @@ class TestFetchOverseasRankings:
         assert result == []
 
     @pytest.mark.asyncio
-    async def test_ranking_disabled_returns_empty(
-        self, overseas_broker: OverseasBroker
-    ) -> None:
+    async def test_ranking_disabled_returns_empty(self, overseas_broker: OverseasBroker) -> None:
         """When OVERSEAS_RANKING_ENABLED=False, should return empty immediately."""
         overseas_broker._broker._settings.OVERSEAS_RANKING_ENABLED = False
         result = await overseas_broker.fetch_overseas_rankings("NASD")
         assert result == []
 
     @pytest.mark.asyncio
-    async def test_limit_truncates_results(
-        self, overseas_broker: OverseasBroker
-    ) -> None:
+    async def test_limit_truncates_results(self, overseas_broker: OverseasBroker) -> None:
         """Results should be truncated to the specified limit."""
         rows = [{"symb": f"SYM{i}"} for i in range(20)]
         mock_resp = AsyncMock()
@@ -247,9 +235,7 @@ class TestFetchOverseasRankings:
         assert len(result) == 5
 
     @pytest.mark.asyncio
-    async def test_network_error_raises(
-        self, overseas_broker: OverseasBroker
-    ) -> None:
+    async def test_network_error_raises(self, overseas_broker: OverseasBroker) -> None:
         """Network errors should raise ConnectionError."""
         cm = MagicMock()
         cm.__aenter__ = AsyncMock(side_effect=aiohttp.ClientError("timeout"))
@@ -264,9 +250,7 @@ class TestFetchOverseasRankings:
             await overseas_broker.fetch_overseas_rankings("NASD")
 
     @pytest.mark.asyncio
-    async def test_exchange_code_mapping_applied(
-        self, overseas_broker: OverseasBroker
-    ) -> None:
+    async def test_exchange_code_mapping_applied(self, overseas_broker: OverseasBroker) -> None:
         """All major exchanges should use mapped codes in API params."""
         for original, mapped in [("NASD", "NAS"), ("NYSE", "NYS"), ("AMEX", "AMS")]:
             mock_resp = AsyncMock()
@@ -298,7 +282,9 @@ class TestGetOverseasPrice:
         mock_session.get = MagicMock(return_value=_make_async_cm(mock_resp))
 
         _setup_broker_mocks(overseas_broker, mock_session)
-        overseas_broker._broker._auth_headers = AsyncMock(return_value={"authorization": "Bearer t"})
+        overseas_broker._broker._auth_headers = AsyncMock(
+            return_value={"authorization": "Bearer t"}
+        )
 
         result = await overseas_broker.get_overseas_price("NASD", "AAPL")
         assert result["output"]["last"] == "150.00"
@@ -530,11 +516,14 @@ class TestPriceExchangeMap:
     def test_price_map_equals_ranking_map(self) -> None:
         assert _PRICE_EXCHANGE_MAP is _RANKING_EXCHANGE_MAP
 
-    @pytest.mark.parametrize("original,expected", [
-        ("NASD", "NAS"),
-        ("NYSE", "NYS"),
-        ("AMEX", "AMS"),
-    ])
+    @pytest.mark.parametrize(
+        "original,expected",
+        [
+            ("NASD", "NAS"),
+            ("NYSE", "NYS"),
+            ("AMEX", "AMS"),
+        ],
+    )
     def test_us_exchange_code_mapping(self, original: str, expected: str) -> None:
         assert _PRICE_EXCHANGE_MAP[original] == expected
 
@@ -574,9 +563,7 @@ class TestOrderRtCdCheck:
         return OverseasBroker(broker)
 
     @pytest.mark.asyncio
-    async def test_success_rt_cd_returns_data(
-        self, overseas_broker: OverseasBroker
-    ) -> None:
+    async def test_success_rt_cd_returns_data(self, overseas_broker: OverseasBroker) -> None:
         """rt_cd='0' → order accepted, data returned."""
         mock_resp = AsyncMock()
         mock_resp.status = 200
@@ -590,9 +577,7 @@ class TestOrderRtCdCheck:
         assert result["rt_cd"] == "0"
 
     @pytest.mark.asyncio
-    async def test_error_rt_cd_returns_data_with_msg(
-        self, overseas_broker: OverseasBroker
-    ) -> None:
+    async def test_error_rt_cd_returns_data_with_msg(self, overseas_broker: OverseasBroker) -> None:
         """rt_cd != '0' → order rejected, data still returned (caller checks rt_cd)."""
         mock_resp = AsyncMock()
         mock_resp.status = 200
@@ -623,6 +608,7 @@ class TestPaperOverseasCash:
 
     def test_env_override(self) -> None:
         import os
+
         os.environ["PAPER_OVERSEAS_CASH"] = "25000"
         settings = Settings(
             KIS_APP_KEY="k",
@@ -635,6 +621,7 @@ class TestPaperOverseasCash:
 
     def test_zero_disables_fallback(self) -> None:
         import os
+
         os.environ["PAPER_OVERSEAS_CASH"] = "0"
         settings = Settings(
             KIS_APP_KEY="k",
@@ -822,9 +809,7 @@ class TestGetOverseasPendingOrders:
     """Tests for get_overseas_pending_orders method."""
 
     @pytest.mark.asyncio
-    async def test_paper_mode_returns_empty(
-        self, overseas_broker: OverseasBroker
-    ) -> None:
+    async def test_paper_mode_returns_empty(self, overseas_broker: OverseasBroker) -> None:
         """Paper mode should immediately return [] without any API call."""
         # Default mock_settings has MODE="paper"
         overseas_broker._broker._settings = overseas_broker._broker._settings.model_copy(
@@ -855,9 +840,7 @@ class TestGetOverseasPendingOrders:
 
         overseas_broker._broker._auth_headers = mock_auth_headers  # type: ignore[method-assign]
 
-        pending_orders = [
-            {"odno": "001", "pdno": "AAPL", "sll_buy_dvsn_cd": "02", "nccs_qty": "5"}
-        ]
+        pending_orders = [{"odno": "001", "pdno": "AAPL", "sll_buy_dvsn_cd": "02", "nccs_qty": "5"}]
         mock_resp = AsyncMock()
         mock_resp.status = 200
         mock_resp.json = AsyncMock(return_value={"output": pending_orders})
@@ -879,9 +862,7 @@ class TestGetOverseasPendingOrders:
         assert captured_params[0]["OVRS_EXCG_CD"] == "NASD"
 
     @pytest.mark.asyncio
-    async def test_live_mode_connection_error(
-        self, overseas_broker: OverseasBroker
-    ) -> None:
+    async def test_live_mode_connection_error(self, overseas_broker: OverseasBroker) -> None:
         """Network error in live mode should raise ConnectionError."""
         overseas_broker._broker._settings = overseas_broker._broker._settings.model_copy(
             update={"MODE": "live"}
@@ -926,55 +907,41 @@ class TestCancelOverseasOrder:
         return captured_tr_ids, mock_session
 
     @pytest.mark.asyncio
-    async def test_us_live_uses_tttt1004u(
-        self, overseas_broker: OverseasBroker
-    ) -> None:
+    async def test_us_live_uses_tttt1004u(self, overseas_broker: OverseasBroker) -> None:
         """US exchange in live mode should use TTTT1004U."""
         overseas_broker._broker._settings = overseas_broker._broker._settings.model_copy(
             update={"MODE": "live"}
         )
-        captured, _ = self._setup_cancel_mocks(
-            overseas_broker, {"rt_cd": "0", "msg1": "OK"}
-        )
+        captured, _ = self._setup_cancel_mocks(overseas_broker, {"rt_cd": "0", "msg1": "OK"})
 
         await overseas_broker.cancel_overseas_order("NASD", "AAPL", "ORD001", 5)
 
         assert "TTTT1004U" in captured
 
     @pytest.mark.asyncio
-    async def test_us_paper_uses_vttt1004u(
-        self, overseas_broker: OverseasBroker
-    ) -> None:
+    async def test_us_paper_uses_vttt1004u(self, overseas_broker: OverseasBroker) -> None:
         """US exchange in paper mode should use VTTT1004U."""
         # Default mock_settings has MODE="paper"
-        captured, _ = self._setup_cancel_mocks(
-            overseas_broker, {"rt_cd": "0", "msg1": "OK"}
-        )
+        captured, _ = self._setup_cancel_mocks(overseas_broker, {"rt_cd": "0", "msg1": "OK"})
 
         await overseas_broker.cancel_overseas_order("NASD", "AAPL", "ORD001", 5)
 
         assert "VTTT1004U" in captured
 
     @pytest.mark.asyncio
-    async def test_hk_live_uses_ttts1003u(
-        self, overseas_broker: OverseasBroker
-    ) -> None:
+    async def test_hk_live_uses_ttts1003u(self, overseas_broker: OverseasBroker) -> None:
         """SEHK exchange in live mode should use TTTS1003U."""
         overseas_broker._broker._settings = overseas_broker._broker._settings.model_copy(
             update={"MODE": "live"}
         )
-        captured, _ = self._setup_cancel_mocks(
-            overseas_broker, {"rt_cd": "0", "msg1": "OK"}
-        )
+        captured, _ = self._setup_cancel_mocks(overseas_broker, {"rt_cd": "0", "msg1": "OK"})
 
         await overseas_broker.cancel_overseas_order("SEHK", "0700", "ORD002", 10)
 
         assert "TTTS1003U" in captured
 
     @pytest.mark.asyncio
-    async def test_cancel_sets_rvse_cncl_dvsn_cd_02(
-        self, overseas_broker: OverseasBroker
-    ) -> None:
+    async def test_cancel_sets_rvse_cncl_dvsn_cd_02(self, overseas_broker: OverseasBroker) -> None:
         """Cancel body must include RVSE_CNCL_DVSN_CD='02' and OVRS_ORD_UNPR='0'."""
         captured_body: list[dict] = []
 
@@ -1005,9 +972,7 @@ class TestCancelOverseasOrder:
         assert captured_body[0]["ORGN_ODNO"] == "ORD003"
 
     @pytest.mark.asyncio
-    async def test_cancel_sets_hashkey_header(
-        self, overseas_broker: OverseasBroker
-    ) -> None:
+    async def test_cancel_sets_hashkey_header(self, overseas_broker: OverseasBroker) -> None:
         """hashkey must be set in the request headers."""
         captured_headers: list[dict] = []
         overseas_broker._broker._get_hash_key = AsyncMock(return_value="test_hash")  # type: ignore[method-assign]

tests/test_pre_market_planner.py

@@ -78,9 +78,7 @@ def _gemini_response_json(
                 "rationale": "Near circuit breaker",
             }
         ]
-    return json.dumps(
-        {"market_outlook": outlook, "global_rules": global_rules, "stocks": stocks}
-    )
+    return json.dumps({"market_outlook": outlook, "global_rules": global_rules, "stocks": stocks})
 
 
 def _make_planner(
@@ -564,8 +562,12 @@ class TestBuildPrompt:
     def test_prompt_contains_cross_market(self) -> None:
         planner = _make_planner()
         cross = CrossMarketContext(
-            market="US", date="2026-02-07", total_pnl=1.5,
-            win_rate=60, index_change_pct=0.8, lessons=["Cut losses early"],
+            market="US",
+            date="2026-02-07",
+            total_pnl=1.5,
+            win_rate=60,
+            index_change_pct=0.8,
+            lessons=["Cut losses early"],
         )
 
         prompt = planner._build_prompt("KR", [_candidate()], {}, None, cross)
@@ -683,9 +685,7 @@ class TestSmartFallbackPlaybook:
         )
 
     def test_momentum_candidate_gets_buy_on_volume(self) -> None:
-        candidates = [
-            _candidate(code="CHOW", signal="momentum", volume_ratio=13.64, rsi=100.0)
-        ]
+        candidates = [_candidate(code="CHOW", signal="momentum", volume_ratio=13.64, rsi=100.0)]
         settings = self._make_settings()
 
         pb = PreMarketPlanner._smart_fallback_playbook(
@@ -707,9 +707,7 @@ class TestSmartFallbackPlaybook:
         assert sell_sc.condition.price_change_pct_below == -3.0
 
     def test_oversold_candidate_gets_buy_on_rsi(self) -> None:
-        candidates = [
-            _candidate(code="005930", signal="oversold", rsi=22.0, volume_ratio=3.5)
-        ]
+        candidates = [_candidate(code="005930", signal="oversold", rsi=22.0, volume_ratio=3.5)]
         settings = self._make_settings()
 
         pb = PreMarketPlanner._smart_fallback_playbook(
@@ -776,9 +774,7 @@ class TestSmartFallbackPlaybook:
     def test_empty_candidates_returns_empty_playbook(self) -> None:
         settings = self._make_settings()
 
-        pb = PreMarketPlanner._smart_fallback_playbook(
-            date(2026, 2, 17), "US_AMEX", [], settings
-        )
+        pb = PreMarketPlanner._smart_fallback_playbook(date(2026, 2, 17), "US_AMEX", [], settings)
 
         assert pb.stock_count == 0
 
@@ -814,19 +810,14 @@ class TestSmartFallbackPlaybook:
         planner = _make_planner()
         planner._gemini.decide = AsyncMock(side_effect=ConnectionError("429 quota exceeded"))
         # momentum candidate
-        candidates = [
-            _candidate(code="CHOW", signal="momentum", volume_ratio=13.64, rsi=100.0)
-        ]
+        candidates = [_candidate(code="CHOW", signal="momentum", volume_ratio=13.64, rsi=100.0)]
 
-        pb = await planner.generate_playbook(
-            "US_AMEX", candidates, today=date(2026, 2, 18)
-        )
+        pb = await planner.generate_playbook("US_AMEX", candidates, today=date(2026, 2, 18))
 
         # Should NOT be all-SELL defensive; should have BUY for momentum
         assert pb.stock_count == 1
         buy_scenarios = [
-            s for s in pb.stock_playbooks[0].scenarios
-            if s.action == ScenarioAction.BUY
+            s for s in pb.stock_playbooks[0].scenarios if s.action == ScenarioAction.BUY
         ]
         assert len(buy_scenarios) == 1
         assert buy_scenarios[0].condition.volume_ratio_above == 2.0  # VOL_MULTIPLIER default

tests/test_scenario_engine.py

@@ -14,7 +14,7 @@ from src.strategy.models import (
     StockPlaybook,
     StockScenario,
 )
-from src.strategy.scenario_engine import ScenarioEngine, ScenarioMatch
+from src.strategy.scenario_engine import ScenarioEngine
 
 
 @pytest.fixture
@@ -162,13 +162,15 @@ class TestEvaluateCondition:
     def test_mixed_invalid_types_no_exception(self, engine: ScenarioEngine) -> None:
         """Various invalid types should not raise exceptions."""
         cond = StockCondition(
-            rsi_below=30.0, volume_ratio_above=2.0,
-            price_above=100, price_change_pct_below=-1.0,
+            rsi_below=30.0,
+            volume_ratio_above=2.0,
+            price_above=100,
+            price_change_pct_below=-1.0,
         )
         data = {
-            "rsi": [25],           # list
+            "rsi": [25],  # list
             "volume_ratio": "bad",  # non-numeric string
-            "current_price": {},    # dict
+            "current_price": {},  # dict
             "price_change_pct": object(),  # arbitrary object
         }
         # Should return False (invalid types → None → False), never raise
@@ -356,9 +358,7 @@ class TestEvaluate:
 
     def test_match_details_populated(self, engine: ScenarioEngine) -> None:
         pb = _playbook(scenarios=[_scenario(rsi_below=30.0, volume_ratio_above=2.0)])
-        result = engine.evaluate(
-            pb, "005930", {"rsi": 25.0, "volume_ratio": 3.0}, {}
-        )
+        result = engine.evaluate(pb, "005930", {"rsi": 25.0, "volume_ratio": 3.0}, {})
         assert result.match_details.get("rsi") == 25.0
         assert result.match_details.get("volume_ratio") == 3.0
 
@@ -381,7 +381,9 @@ class TestEvaluate:
                 ),
                 StockPlaybook(
                     stock_code="MSFT",
-                    scenarios=[_scenario(rsi_above=75.0, action=ScenarioAction.SELL, confidence=80)],
+                    scenarios=[
+                        _scenario(rsi_above=75.0, action=ScenarioAction.SELL, confidence=80)
+                    ],
                 ),
             ],
         )
@@ -450,58 +452,42 @@ class TestEvaluate:
 class TestPositionAwareConditions:
     """Tests for unrealized_pnl_pct and holding_days condition fields."""
 
-    def test_evaluate_condition_unrealized_pnl_above_matches(
-        self, engine: ScenarioEngine
-    ) -> None:
+    def test_evaluate_condition_unrealized_pnl_above_matches(self, engine: ScenarioEngine) -> None:
         """unrealized_pnl_pct_above should match when P&L exceeds threshold."""
         condition = StockCondition(unrealized_pnl_pct_above=3.0)
         assert engine.evaluate_condition(condition, {"unrealized_pnl_pct": 5.0}) is True
 
-    def test_evaluate_condition_unrealized_pnl_above_no_match(
-        self, engine: ScenarioEngine
-    ) -> None:
+    def test_evaluate_condition_unrealized_pnl_above_no_match(self, engine: ScenarioEngine) -> None:
         """unrealized_pnl_pct_above should NOT match when P&L is below threshold."""
         condition = StockCondition(unrealized_pnl_pct_above=3.0)
         assert engine.evaluate_condition(condition, {"unrealized_pnl_pct": 2.0}) is False
 
-    def test_evaluate_condition_unrealized_pnl_below_matches(
-        self, engine: ScenarioEngine
-    ) -> None:
+    def test_evaluate_condition_unrealized_pnl_below_matches(self, engine: ScenarioEngine) -> None:
         """unrealized_pnl_pct_below should match when P&L is under threshold."""
         condition = StockCondition(unrealized_pnl_pct_below=-2.0)
         assert engine.evaluate_condition(condition, {"unrealized_pnl_pct": -3.5}) is True
 
-    def test_evaluate_condition_unrealized_pnl_below_no_match(
-        self, engine: ScenarioEngine
-    ) -> None:
+    def test_evaluate_condition_unrealized_pnl_below_no_match(self, engine: ScenarioEngine) -> None:
         """unrealized_pnl_pct_below should NOT match when P&L is above threshold."""
         condition = StockCondition(unrealized_pnl_pct_below=-2.0)
         assert engine.evaluate_condition(condition, {"unrealized_pnl_pct": -1.0}) is False
 
-    def test_evaluate_condition_holding_days_above_matches(
-        self, engine: ScenarioEngine
-    ) -> None:
+    def test_evaluate_condition_holding_days_above_matches(self, engine: ScenarioEngine) -> None:
         """holding_days_above should match when position held longer than threshold."""
         condition = StockCondition(holding_days_above=5)
         assert engine.evaluate_condition(condition, {"holding_days": 7}) is True
 
-    def test_evaluate_condition_holding_days_above_no_match(
-        self, engine: ScenarioEngine
-    ) -> None:
+    def test_evaluate_condition_holding_days_above_no_match(self, engine: ScenarioEngine) -> None:
         """holding_days_above should NOT match when position held shorter."""
         condition = StockCondition(holding_days_above=5)
         assert engine.evaluate_condition(condition, {"holding_days": 3}) is False
 
-    def test_evaluate_condition_holding_days_below_matches(
-        self, engine: ScenarioEngine
-    ) -> None:
+    def test_evaluate_condition_holding_days_below_matches(self, engine: ScenarioEngine) -> None:
         """holding_days_below should match when position held fewer days."""
         condition = StockCondition(holding_days_below=3)
         assert engine.evaluate_condition(condition, {"holding_days": 1}) is True
 
-    def test_evaluate_condition_holding_days_below_no_match(
-        self, engine: ScenarioEngine
-    ) -> None:
+    def test_evaluate_condition_holding_days_below_no_match(self, engine: ScenarioEngine) -> None:
         """holding_days_below should NOT match when held more days."""
         condition = StockCondition(holding_days_below=3)
         assert engine.evaluate_condition(condition, {"holding_days": 5}) is False
@@ -513,33 +499,33 @@ class TestPositionAwareConditions:
             holding_days_above=5,
         )
         # Both met → match
-        assert engine.evaluate_condition(
-            condition,
-            {"unrealized_pnl_pct": 4.5, "holding_days": 7},
-        ) is True
+        assert (
+            engine.evaluate_condition(
+                condition,
+                {"unrealized_pnl_pct": 4.5, "holding_days": 7},
+            )
+            is True
+        )
         # Only pnl met → no match
-        assert engine.evaluate_condition(
-            condition,
-            {"unrealized_pnl_pct": 4.5, "holding_days": 3},
-        ) is False
+        assert (
+            engine.evaluate_condition(
+                condition,
+                {"unrealized_pnl_pct": 4.5, "holding_days": 3},
+            )
+            is False
+        )
 
-    def test_missing_unrealized_pnl_does_not_match(
-        self, engine: ScenarioEngine
-    ) -> None:
+    def test_missing_unrealized_pnl_does_not_match(self, engine: ScenarioEngine) -> None:
         """Missing unrealized_pnl_pct key should not match the condition."""
         condition = StockCondition(unrealized_pnl_pct_above=3.0)
         assert engine.evaluate_condition(condition, {}) is False
 
-    def test_missing_holding_days_does_not_match(
-        self, engine: ScenarioEngine
-    ) -> None:
+    def test_missing_holding_days_does_not_match(self, engine: ScenarioEngine) -> None:
         """Missing holding_days key should not match the condition."""
         condition = StockCondition(holding_days_above=5)
         assert engine.evaluate_condition(condition, {}) is False
 
-    def test_match_details_includes_position_fields(
-        self, engine: ScenarioEngine
-    ) -> None:
+    def test_match_details_includes_position_fields(self, engine: ScenarioEngine) -> None:
         """match_details should include position fields when condition specifies them."""
         pb = _playbook(
             scenarios=[

tests/test_smart_scanner.py

@@ -2,9 +2,10 @@
 
 from __future__ import annotations
 
-import pytest
 from unittest.mock import AsyncMock, MagicMock
 
+import pytest
+
 from src.analysis.smart_scanner import ScanCandidate, SmartVolatilityScanner
 from src.analysis.volatility import VolatilityAnalyzer
 from src.broker.kis_api import KISBroker
@@ -200,9 +201,7 @@ class TestSmartVolatilityScanner:
         assert len(candidates) <= scanner.top_n
 
     @pytest.mark.asyncio
-    async def test_get_stock_codes(
-        self, scanner: SmartVolatilityScanner
-    ) -> None:
+    async def test_get_stock_codes(self, scanner: SmartVolatilityScanner) -> None:
         """Test extraction of stock codes from candidates."""
         candidates = [
             ScanCandidate(

tests/test_strategy_models.py

@@ -19,7 +19,6 @@ from src.strategy.models import (
     StockScenario,
 )
 
-
 # ---------------------------------------------------------------------------
 # StockCondition
 # ---------------------------------------------------------------------------

tests/test_telegram.py

@@ -5,7 +5,11 @@ from unittest.mock import AsyncMock, patch
 import aiohttp
 import pytest
 
-from src.notifications.telegram_client import NotificationFilter, NotificationPriority, TelegramClient
+from src.notifications.telegram_client import (
+    NotificationFilter,
+    NotificationPriority,
+    TelegramClient,
+)
 
 
 class TestTelegramClientInit:
@@ -13,9 +17,7 @@ class TestTelegramClientInit:
 
     def test_disabled_via_flag(self) -> None:
         """Client disabled via enabled=False flag."""
-        client = TelegramClient(
-            bot_token="123:abc", chat_id="456", enabled=False
-        )
+        client = TelegramClient(bot_token="123:abc", chat_id="456", enabled=False)
         assert client._enabled is False
 
     def test_disabled_missing_token(self) -> None:
@@ -30,9 +32,7 @@ class TestTelegramClientInit:
 
     def test_enabled_with_credentials(self) -> None:
         """Client enabled when credentials provided."""
-        client = TelegramClient(
-            bot_token="123:abc", chat_id="456", enabled=True
-        )
+        client = TelegramClient(bot_token="123:abc", chat_id="456", enabled=True)
         assert client._enabled is True
 
 
@@ -42,9 +42,7 @@ class TestNotificationSending:
     @pytest.mark.asyncio
     async def test_send_message_success(self) -> None:
         """send_message returns True on successful send."""
-        client = TelegramClient(
-            bot_token="123:abc", chat_id="456", enabled=True
-        )
+        client = TelegramClient(bot_token="123:abc", chat_id="456", enabled=True)
 
         mock_resp = AsyncMock()
         mock_resp.status = 200
@@ -76,9 +74,7 @@ class TestNotificationSending:
     @pytest.mark.asyncio
     async def test_send_message_api_error(self) -> None:
         """send_message returns False on API error."""
-        client = TelegramClient(
-            bot_token="123:abc", chat_id="456", enabled=True
-        )
+        client = TelegramClient(bot_token="123:abc", chat_id="456", enabled=True)
 
         mock_resp = AsyncMock()
         mock_resp.status = 400
@@ -93,9 +89,7 @@ class TestNotificationSending:
     @pytest.mark.asyncio
     async def test_send_message_with_markdown(self) -> None:
         """send_message supports different parse modes."""
-        client = TelegramClient(
-            bot_token="123:abc", chat_id="456", enabled=True
-        )
+        client = TelegramClient(bot_token="123:abc", chat_id="456", enabled=True)
 
         mock_resp = AsyncMock()
         mock_resp.status = 200
@@ -128,9 +122,7 @@ class TestNotificationSending:
     @pytest.mark.asyncio
     async def test_trade_execution_format(self) -> None:
         """Trade notification has correct format."""
-        client = TelegramClient(
-            bot_token="123:abc", chat_id="456", enabled=True
-        )
+        client = TelegramClient(bot_token="123:abc", chat_id="456", enabled=True)
 
         mock_resp = AsyncMock()
         mock_resp.status = 200
@@ -163,9 +155,7 @@ class TestNotificationSending:
     @pytest.mark.asyncio
     async def test_playbook_generated_format(self) -> None:
         """Playbook generated notification has expected fields."""
-        client = TelegramClient(
-            bot_token="123:abc", chat_id="456", enabled=True
-        )
+        client = TelegramClient(bot_token="123:abc", chat_id="456", enabled=True)
 
         mock_resp = AsyncMock()
         mock_resp.status = 200
@@ -190,9 +180,7 @@ class TestNotificationSending:
     @pytest.mark.asyncio
     async def test_scenario_matched_format(self) -> None:
         """Scenario matched notification has expected fields."""
-        client = TelegramClient(
-            bot_token="123:abc", chat_id="456", enabled=True
-        )
+        client = TelegramClient(bot_token="123:abc", chat_id="456", enabled=True)
 
         mock_resp = AsyncMock()
         mock_resp.status = 200
@@ -217,9 +205,7 @@ class TestNotificationSending:
     @pytest.mark.asyncio
     async def test_playbook_failed_format(self) -> None:
         """Playbook failed notification has expected fields."""
-        client = TelegramClient(
-            bot_token="123:abc", chat_id="456", enabled=True
-        )
+        client = TelegramClient(bot_token="123:abc", chat_id="456", enabled=True)
 
         mock_resp = AsyncMock()
         mock_resp.status = 200
@@ -240,9 +226,7 @@ class TestNotificationSending:
     @pytest.mark.asyncio
     async def test_circuit_breaker_priority(self) -> None:
         """Circuit breaker uses CRITICAL priority."""
-        client = TelegramClient(
-            bot_token="123:abc", chat_id="456", enabled=True
-        )
+        client = TelegramClient(bot_token="123:abc", chat_id="456", enabled=True)
 
         mock_resp = AsyncMock()
         mock_resp.status = 200
@@ -260,9 +244,7 @@ class TestNotificationSending:
     @pytest.mark.asyncio
     async def test_api_error_handling(self) -> None:
         """API errors logged but don't crash."""
-        client = TelegramClient(
-            bot_token="123:abc", chat_id="456", enabled=True
-        )
+        client = TelegramClient(bot_token="123:abc", chat_id="456", enabled=True)
 
         mock_resp = AsyncMock()
         mock_resp.status = 400
@@ -277,25 +259,19 @@ class TestNotificationSending:
     @pytest.mark.asyncio
     async def test_timeout_handling(self) -> None:
         """Timeouts logged but don't crash."""
-        client = TelegramClient(
-            bot_token="123:abc", chat_id="456", enabled=True
-        )
+        client = TelegramClient(bot_token="123:abc", chat_id="456", enabled=True)
 
         with patch(
             "aiohttp.ClientSession.post",
             side_effect=aiohttp.ClientError("Connection timeout"),
         ):
             # Should not raise exception
-            await client.notify_error(
-                error_type="Test Error", error_msg="Test", context="test"
-            )
+            await client.notify_error(error_type="Test Error", error_msg="Test", context="test")
 
     @pytest.mark.asyncio
     async def test_session_management(self) -> None:
         """Session created and reused correctly."""
-        client = TelegramClient(
-            bot_token="123:abc", chat_id="456", enabled=True
-        )
+        client = TelegramClient(bot_token="123:abc", chat_id="456", enabled=True)
 
         # Session should be None initially
         assert client._session is None
@@ -324,9 +300,7 @@ class TestRateLimiting:
         """Rate limiter delays rapid requests."""
         import time
 
-        client = TelegramClient(
-            bot_token="123:abc", chat_id="456", enabled=True, rate_limit=2.0
-        )
+        client = TelegramClient(bot_token="123:abc", chat_id="456", enabled=True, rate_limit=2.0)
 
         mock_resp = AsyncMock()
         mock_resp.status = 200
@@ -353,9 +327,7 @@ class TestMessagePriorities:
     @pytest.mark.asyncio
     async def test_low_priority_uses_info_emoji(self) -> None:
         """LOW priority uses ℹ️ emoji."""
-        client = TelegramClient(
-            bot_token="123:abc", chat_id="456", enabled=True
-        )
+        client = TelegramClient(bot_token="123:abc", chat_id="456", enabled=True)
 
         mock_resp = AsyncMock()
         mock_resp.status = 200
@@ -371,9 +343,7 @@ class TestMessagePriorities:
     @pytest.mark.asyncio
     async def test_critical_priority_uses_alarm_emoji(self) -> None:
         """CRITICAL priority uses 🚨 emoji."""
-        client = TelegramClient(
-            bot_token="123:abc", chat_id="456", enabled=True
-        )
+        client = TelegramClient(bot_token="123:abc", chat_id="456", enabled=True)
 
         mock_resp = AsyncMock()
         mock_resp.status = 200
@@ -389,9 +359,7 @@ class TestMessagePriorities:
     @pytest.mark.asyncio
     async def test_playbook_generated_priority(self) -> None:
         """Playbook generated uses MEDIUM priority emoji."""
-        client = TelegramClient(
-            bot_token="123:abc", chat_id="456", enabled=True
-        )
+        client = TelegramClient(bot_token="123:abc", chat_id="456", enabled=True)
 
         mock_resp = AsyncMock()
         mock_resp.status = 200
@@ -412,9 +380,7 @@ class TestMessagePriorities:
     @pytest.mark.asyncio
     async def test_playbook_failed_priority(self) -> None:
         """Playbook failed uses HIGH priority emoji."""
-        client = TelegramClient(
-            bot_token="123:abc", chat_id="456", enabled=True
-        )
+        client = TelegramClient(bot_token="123:abc", chat_id="456", enabled=True)
 
         mock_resp = AsyncMock()
         mock_resp.status = 200
@@ -433,9 +399,7 @@ class TestMessagePriorities:
     @pytest.mark.asyncio
     async def test_scenario_matched_priority(self) -> None:
         """Scenario matched uses HIGH priority emoji."""
-        client = TelegramClient(
-            bot_token="123:abc", chat_id="456", enabled=True
-        )
+        client = TelegramClient(bot_token="123:abc", chat_id="456", enabled=True)
 
         mock_resp = AsyncMock()
         mock_resp.status = 200
@@ -460,9 +424,7 @@ class TestClientCleanup:
     @pytest.mark.asyncio
     async def test_close_closes_session(self) -> None:
         """close() closes the HTTP session."""
-        client = TelegramClient(
-            bot_token="123:abc", chat_id="456", enabled=True
-        )
+        client = TelegramClient(bot_token="123:abc", chat_id="456", enabled=True)
 
         mock_session = AsyncMock()
         mock_session.closed = False
@@ -475,9 +437,7 @@ class TestClientCleanup:
     @pytest.mark.asyncio
     async def test_close_handles_no_session(self) -> None:
         """close() handles None session gracefully."""
-        client = TelegramClient(
-            bot_token="123:abc", chat_id="456", enabled=True
-        )
+        client = TelegramClient(bot_token="123:abc", chat_id="456", enabled=True)
 
         # Should not raise exception
         await client.close()
@@ -535,8 +495,12 @@ class TestNotificationFilter:
         )
         with patch("aiohttp.ClientSession.post") as mock_post:
             await client.notify_trade_execution(
-                stock_code="005930", market="KR", action="BUY",
-                quantity=10, price=70000.0, confidence=85.0
+                stock_code="005930",
+                market="KR",
+                action="BUY",
+                quantity=10,
+                price=70000.0,
+                confidence=85.0,
             )
             mock_post.assert_not_called()
 
@@ -556,8 +520,13 @@ class TestNotificationFilter:
     async def test_circuit_breaker_always_sends_regardless_of_filter(self) -> None:
         """notify_circuit_breaker always sends (no filter flag)."""
         nf = NotificationFilter(
-            trades=False, market_open_close=False, fat_finger=False,
-            system_events=False, playbook=False, scenario_match=False, errors=False,
+            trades=False,
+            market_open_close=False,
+            fat_finger=False,
+            system_events=False,
+            playbook=False,
+            scenario_match=False,
+            errors=False,
         )
         client = TelegramClient(
             bot_token="123:abc", chat_id="456", enabled=True, notification_filter=nf
@@ -617,7 +586,7 @@ class TestNotificationFilter:
         nf = NotificationFilter()
         assert nf.set_flag("unknown_key", False) is False
 
-    def test_as_dict_keys_match_KEYS(self) -> None:
+    def test_as_dict_keys_match_keys(self) -> None:
         """as_dict() returns every key defined in KEYS."""
         nf = NotificationFilter()
         d = nf.as_dict()
@@ -640,10 +609,17 @@ class TestNotificationFilter:
     def test_set_notification_all_on(self) -> None:
         """set_notification('all', True) enables every filter flag."""
         client = TelegramClient(
-            bot_token="123:abc", chat_id="456", enabled=True,
+            bot_token="123:abc",
+            chat_id="456",
+            enabled=True,
             notification_filter=NotificationFilter(
-                trades=False, market_open_close=False, scenario_match=False,
-                fat_finger=False, system_events=False, playbook=False, errors=False,
+                trades=False,
+                market_open_close=False,
+                scenario_match=False,
+                fat_finger=False,
+                system_events=False,
+                playbook=False,
+                errors=False,
             ),
         )
         assert client.set_notification("all", True) is True

tests/test_telegram_commands.py

@@ -357,8 +357,7 @@ class TestTradingControlCommands:
 
             pause_event.set()
             await client.send_message(
-                "<b>▶️ Trading Resumed</b>\n\n"
-                "Trading operations have been restarted."
+                "<b>▶️ Trading Resumed</b>\n\nTrading operations have been restarted."
             )
 
         handler.register_command("resume", mock_resume)
@@ -526,9 +525,7 @@ class TestStatusCommands:
 
         async def mock_status_error() -> None:
             """Mock /status handler with error."""
-            await client.send_message(
-                "<b>⚠️ Error</b>\n\nFailed to retrieve trading status."
-            )
+            await client.send_message("<b>⚠️ Error</b>\n\nFailed to retrieve trading status.")
 
         handler.register_command("status", mock_status_error)
 
@@ -603,10 +600,7 @@ class TestStatusCommands:
 
         async def mock_positions_empty() -> None:
             """Mock /positions handler with no positions."""
-            message = (
-                "<b>💼 Account Summary</b>\n\n"
-                "No balance information available."
-            )
+            message = "<b>💼 Account Summary</b>\n\nNo balance information available."
             await client.send_message(message)
 
         handler.register_command("positions", mock_positions_empty)
@@ -639,9 +633,7 @@ class TestStatusCommands:
 
         async def mock_positions_error() -> None:
             """Mock /positions handler with error."""
-            await client.send_message(
-                "<b>⚠️ Error</b>\n\nFailed to retrieve positions."
-            )
+            await client.send_message("<b>⚠️ Error</b>\n\nFailed to retrieve positions.")
 
         handler.register_command("positions", mock_positions_error)
 

tests/test_validate_governance_assets.py

@@ -70,7 +70,9 @@ def test_load_changed_files_with_range_uses_git_diff(monkeypatch) -> None:
         assert check is True
         assert capture_output is True
         assert text is True
-        return SimpleNamespace(stdout="docs/ouroboros/85_loss_recovery_action_plan.md\nsrc/main.py\n")
+        return SimpleNamespace(
+            stdout="docs/ouroboros/85_loss_recovery_action_plan.md\nsrc/main.py\n"
+        )
 
     monkeypatch.setattr(module.subprocess, "run", fake_run)
     changed = module.load_changed_files(["abc...def"], errors)

tests/test_volatility.py

@@ -80,9 +80,7 @@ class TestVolatilityAnalyzer:
         # ATR should be roughly the average true range
         assert 3.0 <= atr <= 6.0
 
-    def test_calculate_atr_insufficient_data(
-        self, volatility_analyzer: VolatilityAnalyzer
-    ) -> None:
+    def test_calculate_atr_insufficient_data(self, volatility_analyzer: VolatilityAnalyzer) -> None:
         """Test ATR with insufficient data returns 0."""
         high_prices = [110.0, 112.0]
         low_prices = [105.0, 107.0]
@@ -120,17 +118,13 @@ class TestVolatilityAnalyzer:
         surge = volatility_analyzer.calculate_volume_surge(1000.0, 0.0)
         assert surge == 1.0
 
-    def test_calculate_pv_divergence_bullish(
-        self, volatility_analyzer: VolatilityAnalyzer
-    ) -> None:
+    def test_calculate_pv_divergence_bullish(self, volatility_analyzer: VolatilityAnalyzer) -> None:
         """Test bullish price-volume divergence."""
         # Price up + Volume up = bullish
         divergence = volatility_analyzer.calculate_pv_divergence(5.0, 2.0)
         assert divergence > 0.0
 
-    def test_calculate_pv_divergence_bearish(
-        self, volatility_analyzer: VolatilityAnalyzer
-    ) -> None:
+    def test_calculate_pv_divergence_bearish(self, volatility_analyzer: VolatilityAnalyzer) -> None:
         """Test bearish price-volume divergence."""
         # Price up + Volume down = bearish divergence
         divergence = volatility_analyzer.calculate_pv_divergence(5.0, 0.5)
@@ -144,9 +138,7 @@ class TestVolatilityAnalyzer:
         divergence = volatility_analyzer.calculate_pv_divergence(-5.0, 2.0)
         assert divergence < 0.0
 
-    def test_calculate_momentum_score(
-        self, volatility_analyzer: VolatilityAnalyzer
-    ) -> None:
+    def test_calculate_momentum_score(self, volatility_analyzer: VolatilityAnalyzer) -> None:
         """Test momentum score calculation."""
         score = volatility_analyzer.calculate_momentum_score(
             price_change_1m=5.0,
@@ -500,9 +492,7 @@ class TestMarketScanner:
         # Should keep all current stocks since they're all in top movers
         assert set(updated) == set(current_watchlist)
 
-    def test_get_updated_watchlist_max_replacements(
-        self, scanner: MarketScanner
-    ) -> None:
+    def test_get_updated_watchlist_max_replacements(self, scanner: MarketScanner) -> None:
         """Test that max_replacements limit is respected."""
         current_watchlist = ["000660", "035420", "005490"]
 
@@ -556,8 +546,6 @@ class TestMarketScanner:
         active_count = 0
         peak_count = 0
 
-        original_scan = scanner.scan_stock
-
         async def tracking_scan(code: str, market: Any) -> VolatilityMetrics:
             nonlocal active_count, peak_count
             active_count += 1