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

2 files changed, 8 insertions, 2 deletions

diff --git a/cli/src/trading_cli/commands/backtest.py b/cli/src/trading_cli/commands/backtest.py
index 40617b6..0f0cdbe 100644
--- a/cli/src/trading_cli/commands/backtest.py
+++ b/cli/src/trading_cli/commands/backtest.py
@@ -16,7 +16,9 @@ def backtest():
 def run(strategy, symbol, from_date, to_date, balance):
     """Run a backtest for a strategy."""
     to_label = to_date or "now"
-    click.echo(f"Running backtest: strategy={strategy}, symbol={symbol}, {from_date} → {to_label}, balance={balance}...")
+    click.echo(
+        f"Running backtest: strategy={strategy}, symbol={symbol}, {from_date} → {to_label}, balance={balance}..."
+    )
 
 
 @backtest.command()
diff --git a/cli/src/trading_cli/commands/data.py b/cli/src/trading_cli/commands/data.py
index 1fa5e30..25d1693 100644
--- a/cli/src/trading_cli/commands/data.py
+++ b/cli/src/trading_cli/commands/data.py
@@ -22,7 +22,11 @@ def collect(symbol, timeframe):
 @click.option("--limit", default=1000, show_default=True, help="Number of candles to fetch")
 def history(symbol, timeframe, since, limit):
     """Download historical market data for a symbol."""
-    click.echo(f"Downloading {limit} {timeframe} candles for {symbol}" + (f" since {since}" if since else "") + "...")
+    click.echo(
+        f"Downloading {limit} {timeframe} candles for {symbol}"
+        + (f" since {since}" if since else "")
+        + "..."
+    )
 
 
 @data.command("list")