Harden credit flows and add RevenueCat webhook

tests/Feature/Tenant/EventCreditsTest.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace Tests\Feature\Tenant;
+
+use App\Models\EventType;
+use Illuminate\Support\Carbon;
+
+class EventCreditsTest extends TenantTestCase
+{
+    public function test_event_creation_requires_credits(): void
+    {
+        $this->tenant->update(['event_credits_balance' => 0]);
+        $eventType = EventType::factory()->create();
+
+        $payload = [
+            'name' => 'Sample Event',
+            'description' => 'Test description',
+            'event_date' => Carbon::now()->addDays(3)->toDateString(),
+            'event_type_id' => $eventType->id,
+        ];
+
+        $response = $this->authenticatedRequest('POST', '/api/v1/tenant/events', $payload);
+
+        $response->assertStatus(402)
+            ->assertJson([
+                'error' => 'Insufficient event credits. Please purchase more credits.',
+            ]);
+
+        $this->tenant->update(['event_credits_balance' => 2]);
+
+        $createResponse = $this->authenticatedRequest('POST', '/api/v1/tenant/events', $payload);
+
+        $createResponse->assertStatus(201)
+            ->assertJsonPath('message', 'Event created successfully')
+            ->assertJsonPath('balance', 1);
+
+        $this->tenant->refresh();
+        $this->assertSame(1, $this->tenant->event_credits_balance);
+
+        $this->assertDatabaseHas('event_credits_ledger', [
+            'tenant_id' => $this->tenant->id,
+            'delta' => -1,
+            'reason' => 'event_create',
+        ]);
+    }
+}