water/server/scripts/migrate_water_withdrawal_demo.php

<?php
/** Optional, isolated withdrawal display fixtures; no production withdrawal ledger is created. */
require dirname(__DIR__).'/vendor/autoload.php';
\Dotenv\Dotenv::createUnsafeMutable(dirname(__DIR__))->load();
\support\App::loadAllConfig(['route']);

use plugin\saiadmin\app\model\water\WaterWithdrawalDemo;
use Illuminate\Database\Schema\Blueprint;

if (!in_array('--apply', $argv, true)) {
    echo "Plan: create sa_water_withdrawal_demo for labelled display-only fixtures.\n";
    exit;
}
$model = new WaterWithdrawalDemo();
$schema = $model->getConnection()->getSchemaBuilder();
if (!$schema->hasTable($model->getTable())) {
    $schema->create($model->getTable(), function (Blueprint $table) {
        $table->bigIncrements('id');
        $table->string('batch', 80)->index();
        $table->string('reference', 100)->unique();
        $table->string('applicant_name', 100);
        $table->string('kind_label', 40);
        $table->string('channel_label', 40);
        $table->unsignedBigInteger('amount_cents');
        $table->string('status', 20)->default('pending');
        $table->dateTime('created_at')->index();
        $table->comment('仅供展示的提现测试申请，不代表真实余额或打款指令');
    });
}
echo "Applied: isolated withdrawal demo table ready; no real finance data changed.\n";