feat: add MigrateVpsPlans command for customer migration

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

website/tests/Feature/MigrateVpsPlansTest.php

@@ -0,0 +1,89 @@
+<?php
+
+declare(strict_types=1);
+
+use App\Models\Plan;
+use App\Models\User;
+use Illuminate\Support\Facades\DB;
+
+it('migrates subscriptions from old plans to new plans', function () {
+    $this->seed(\Database\Seeders\PlanSeeder::class);
+
+    $oldPlan = Plan::create([
+        'name' => 'VPS Nano',
+        'slug' => 'vps-nano',
+        'description' => 'Old nano plan',
+        'service_type' => 'vps',
+        'price' => 3.50,
+        'billing_cycle' => 'monthly',
+        'features' => [],
+        'sort_order' => 99,
+    ]);
+
+    $newPlan = Plan::where('slug', 'vps-1')->first();
+
+    if (! $newPlan) {
+        $this->markTestSkipped('New plan vps-1 not found.');
+    }
+
+    $user = User::factory()->create();
+
+    DB::table('subscriptions')->insert([
+        'user_id' => $user->id,
+        'type' => 'vps-nano',
+        'stripe_id' => 'sub_test_'.uniqid(),
+        'stripe_status' => 'active',
+        'plan_id' => $oldPlan->id,
+        'billing_cycle' => 'monthly',
+        'created_at' => now(),
+        'updated_at' => now(),
+    ]);
+
+    $this->artisan('plans:migrate-vps')
+        ->assertSuccessful();
+
+    $subscription = DB::table('subscriptions')->where('user_id', $user->id)->first();
+    expect($subscription->plan_id)->toBe($newPlan->id);
+});
+
+it('dry run does not modify data', function () {
+    $this->seed(\Database\Seeders\PlanSeeder::class);
+
+    $oldPlan = Plan::create([
+        'name' => 'VPS Nano',
+        'slug' => 'vps-nano',
+        'description' => 'Old nano plan',
+        'service_type' => 'vps',
+        'price' => 3.50,
+        'billing_cycle' => 'monthly',
+        'features' => [],
+        'sort_order' => 99,
+    ]);
+
+    $user = User::factory()->create();
+
+    DB::table('subscriptions')->insert([
+        'user_id' => $user->id,
+        'type' => 'vps-nano',
+        'stripe_id' => 'sub_dry_'.uniqid(),
+        'stripe_status' => 'active',
+        'plan_id' => $oldPlan->id,
+        'billing_cycle' => 'monthly',
+        'created_at' => now(),
+        'updated_at' => now(),
+    ]);
+
+    $this->artisan('plans:migrate-vps', ['--dry-run' => true])
+        ->assertSuccessful();
+
+    $subscription = DB::table('subscriptions')->where('user_id', $user->id)->first();
+    expect($subscription->plan_id)->toBe($oldPlan->id);
+});
+
+it('skips when old plan does not exist', function () {
+    $this->seed(\Database\Seeders\PlanSeeder::class);
+
+    // No old plans created, so all mappings should be skipped
+    $this->artisan('plans:migrate-vps')
+        ->assertSuccessful();
+});