Instruments: no fee lookup — commissions barely differ between instruments

Entry cost is one tick of spread; fees can be added later if they matter.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

lib/reporter.ts

@@ -427,7 +427,7 @@ function instrumentStatsBlock(
         const shape = accountLegShape(client, acc, tradeDate);
         if (shape) { lead = { ...shape, account: acc.name }; break; }
     }
-    return { instrumentStats: instrumentStatsFor(f, client, lead) };
+    return { instrumentStats: instrumentStatsFor(f, lead) };
 }
 
 /**