Implement multi-tenancy support with OAuth2 authentication for tenant admins, Stripe integration for event purchases and credits ledger, new Filament resources for event purchases, updated API routes and middleware for tenant isolation and token guarding, added factories/seeders/migrations for new models (Tenant, EventPurchase, OAuth entities, etc.), enhanced tests, and documentation updates. Removed outdated DemoAchievementsSeeder.

database/migrations/2025_09_17_create_event_purchases_table.php

@@ -0,0 +1,30 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('event_purchases', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('tenant_id')->constrained()->cascadeOnDelete();
+            $table->unsignedInteger('events_purchased')->default(1);
+            $table->decimal('amount', 10, 2);
+            $table->string('currency', 3)->default('EUR');
+            $table->string('provider', 32); // stripe, paypal, app_store, play_store
+            $table->string('external_receipt_id')->nullable();
+            $table->string('status', 16)->default('pending'); // pending, completed, failed
+            $table->timestamp('purchased_at')->nullable();
+            $table->timestamps();
+            $table->index(['tenant_id', 'purchased_at']);
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('event_purchases');
+    }
+};