<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

return new class extends Migration
{
    /**
     * v2.3 summary columns: engine + config identity on bands (grouping and
     * display), generated-tok/s on scenariobench suite rows.
     */
    public function up(): void
    {
        Schema::table('session_summaries', function (Blueprint $table) {
            $table->string('engine', 64)->nullable()->after('gpu_count');
            $table->string('config_name', 128)->nullable()->after('engine');
        });

        Schema::table('session_suite_rows', function (Blueprint $table) {
            $table->double('gen_tps')->nullable()->after('weighted_user_tps');
        });
    }

    public function down(): void
    {
        Schema::table('session_suite_rows', function (Blueprint $table) {
            $table->dropColumn('gen_tps');
        });
        Schema::table('session_summaries', function (Blueprint $table) {
            $table->dropColumn(['engine', 'config_name']);
        });
    }
};