fix: resolve lint issues and final integration fixes

- Fix ambiguous variable name in binance_rest.py
- Remove unused volumes variable in volume_profile_strategy.py
- Fix import ordering in backtester main.py and test_metrics.py
- Auto-format all files with ruff

1 files changed, 37 insertions, 17 deletions

diff --git a/services/strategy-engine/tests/test_volume_profile_strategy.py b/services/strategy-engine/tests/test_volume_profile_strategy.py
index be123b0..71f0eca 100644
--- a/services/strategy-engine/tests/test_volume_profile_strategy.py
+++ b/services/strategy-engine/tests/test_volume_profile_strategy.py
@@ -1,8 +1,8 @@
 """Tests for the Volume Profile strategy."""
+
 from datetime import datetime, timezone
 from decimal import Decimal
 
-import pytest
 
 from shared.models import Candle, OrderSide
 from strategies.volume_profile_strategy import VolumeProfileStrategy
@@ -39,17 +39,27 @@ def test_volume_profile_no_signal_insufficient_data():
 def test_volume_profile_buy_at_value_area_low():
     """Concentrate volume around 95-105, price drops to 88, bounces back to 99."""
     strategy = VolumeProfileStrategy()
-    strategy.configure({
-        "lookback_period": 10,
-        "num_bins": 5,
-        "value_area_pct": 0.7,
-        "quantity": "0.01",
-    })
+    strategy.configure(
+        {
+            "lookback_period": 10,
+            "num_bins": 5,
+            "value_area_pct": 0.7,
+            "quantity": "0.01",
+        }
+    )
 
     # Build profile: 10 candles with volume concentrated around 95-105
     profile_data = [
-        (95, 50), (97, 50), (99, 100), (100, 100), (101, 100),
-        (103, 50), (105, 50), (100, 100), (99, 100), (101, 50),
+        (95, 50),
+        (97, 50),
+        (99, 100),
+        (100, 100),
+        (101, 100),
+        (103, 50),
+        (105, 50),
+        (100, 100),
+        (99, 100),
+        (101, 50),
     ]
     for price, vol in profile_data:
         strategy.on_candle(make_candle(price, vol))
@@ -67,17 +77,27 @@ def test_volume_profile_buy_at_value_area_low():
 def test_volume_profile_sell_at_value_area_high():
     """Concentrate volume around 95-105, price rises to 112, pulls back to 101."""
     strategy = VolumeProfileStrategy()
-    strategy.configure({
-        "lookback_period": 10,
-        "num_bins": 5,
-        "value_area_pct": 0.7,
-        "quantity": "0.01",
-    })
+    strategy.configure(
+        {
+            "lookback_period": 10,
+            "num_bins": 5,
+            "value_area_pct": 0.7,
+            "quantity": "0.01",
+        }
+    )
 
     # Build profile: 10 candles with volume concentrated around 95-105
     profile_data = [
-        (95, 50), (97, 50), (99, 100), (100, 100), (101, 100),
-        (103, 50), (105, 50), (100, 100), (99, 100), (101, 50),
+        (95, 50),
+        (97, 50),
+        (99, 100),
+        (100, 100),
+        (101, 100),
+        (103, 50),
+        (105, 50),
+        (100, 100),
+        (99, 100),
+        (101, 50),
     ]
     for price, vol in profile_data:
         strategy.on_candle(make_candle(price, vol))