feat(subscription): add Stripe action controls

Add subscription action handling and tests for cancel, resume, and refund flows while resolving StripeClient through the container.

tests/Feature/Subscription/SubscriptionActionsTest.php

@@ -0,0 +1,70 @@
+<?php
+
+use App\Actions\Stripe\RefundSubscription;
+use App\Livewire\Subscription\Actions;
+use App\Models\InstanceSettings;
+use App\Models\Subscription;
+use App\Models\Team;
+use App\Models\User;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Livewire\Livewire;
+
+uses(RefreshDatabase::class);
+
+beforeEach(function () {
+    config()->set('constants.coolify.self_hosted', false);
+    config()->set('subscription.provider', 'stripe');
+    config()->set('subscription.stripe_api_key', 'sk_test_fake');
+
+    InstanceSettings::unguarded(fn () => InstanceSettings::query()->create(['id' => 0]));
+
+    $this->team = Team::factory()->create();
+    $this->user = User::factory()->create();
+    $this->team->members()->attach($this->user->id, ['role' => 'owner']);
+
+    Subscription::create([
+        'team_id' => $this->team->id,
+        'stripe_subscription_id' => 'sub_test_123',
+        'stripe_customer_id' => 'cus_test_123',
+        'stripe_invoice_paid' => true,
+        'stripe_plan_id' => 'price_test_123',
+        'stripe_cancel_at_period_end' => false,
+        'stripe_past_due' => false,
+    ]);
+
+    $this->actingAs($this->user);
+    session(['currentTeam' => $this->team]);
+});
+
+describe('cancelImmediately with refund option', function () {
+    test('refunds and cancels via RefundSubscription when refund checkbox is selected', function () {
+        $mock = Mockery::mock(RefundSubscription::class);
+        $mock->shouldReceive('execute')->once()->andReturn(['success' => true, 'error' => null]);
+        $this->instance(RefundSubscription::class, $mock);
+
+        Livewire::test(Actions::class)
+            ->call('cancelImmediately', 'password', ['refundLatestPayment'])
+            ->assertDispatched('success')
+            ->assertRedirect(route('subscription.index'));
+    });
+
+    test('dispatches error when refund fails', function () {
+        $mock = Mockery::mock(RefundSubscription::class);
+        $mock->shouldReceive('execute')->once()->andReturn(['success' => false, 'error' => 'No paid invoice found to refund.']);
+        $this->instance(RefundSubscription::class, $mock);
+
+        Livewire::test(Actions::class)
+            ->call('cancelImmediately', 'password', ['refundLatestPayment'])
+            ->assertDispatched('error');
+    });
+
+    test('rejects invalid password before refunding', function () {
+        $mock = Mockery::mock(RefundSubscription::class);
+        $mock->shouldNotReceive('execute');
+        $this->instance(RefundSubscription::class, $mock);
+
+        Livewire::test(Actions::class)
+            ->call('cancelImmediately', 'wrong-password', ['refundLatestPayment'])
+            ->assertReturned('Invalid password.');
+    });
+});