Fix index drop order in AddTradeContextAndSubcategory migration to satisfy MySQL FK constraints

src/Predictalytics.Infrastructure/Migrations/20260705165602_AddTradeContextAndSubcategory.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using Microsoft.EntityFrameworkCore.Metadata;
 using Microsoft.EntityFrameworkCore.Migrations;
 
@@ -12,10 +12,6 @@ namespace Predictalytics.Infrastructure.Migrations
         /// <inheritdoc />
         protected override void Up(MigrationBuilder migrationBuilder)
         {
-            migrationBuilder.DropIndex(
-                name: "IX_TraderCategoryPerformances_TraderId_Category",
-                table: "TraderCategoryPerformances");
-
             migrationBuilder.AddColumn<DateTime>(
                 name: "LastAnalyzedAt",
                 table: "Traders",
@@ -62,6 +58,10 @@ namespace Predictalytics.Infrastructure.Migrations
                 columns: new[] { "TraderId", "Category", "Subcategory" },
                 unique: true);
 
+            migrationBuilder.DropIndex(
+                name: "IX_TraderCategoryPerformances_TraderId_Category",
+                table: "TraderCategoryPerformances");
+
             migrationBuilder.CreateIndex(
                 name: "IX_TradeContexts_TradeId",
                 table: "TradeContexts",
@@ -75,10 +75,6 @@ namespace Predictalytics.Infrastructure.Migrations
             migrationBuilder.DropTable(
                 name: "TradeContexts");
 
-            migrationBuilder.DropIndex(
-                name: "IX_TraderCategoryPerformances_TraderId_Category_Subcategory",
-                table: "TraderCategoryPerformances");
-
             migrationBuilder.DropColumn(
                 name: "LastAnalyzedAt",
                 table: "Traders");
@@ -92,6 +88,10 @@ namespace Predictalytics.Infrastructure.Migrations
                 table: "TraderCategoryPerformances",
                 columns: new[] { "TraderId", "Category" },
                 unique: true);
+
+            migrationBuilder.DropIndex(
+                name: "IX_TraderCategoryPerformances_TraderId_Category_Subcategory",
+                table: "TraderCategoryPerformances");
         }
     }
 }