api/database/migrations/2025_12_12_072034_update_users_table.php

<?php


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

return new class extends Migration
{
    /**
     * Run the migrations.
     */
    public function up(): void
    {
        Schema::table('users', function (Blueprint $table) {
            //
            // 删除 email 相关字段
            $table->dropUnique('users_email_unique');
            $table->dropColumn(['email', 'email_verified_at']);
            
            // 新增 username 和 nickname 字段
            $table->string('username')->unique()->after('id');
            $table->string('nickname')->nullable()->after('username');
        });
    }

    /**
     * Reverse the migrations.
     */
    public function down(): void
    {
        Schema::table('users', function (Blueprint $table) {
            //
        });
    }
};