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 Removed outdated DemoAchievementsSeeder.

app/Http/Middleware/CreditCheckMiddleware.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+use Symfony\Component\HttpFoundation\Response;
+use App\Models\Tenant;
+use App\Models\Event;
+
+class CreditCheckMiddleware
+{
+    public function handle(Request $request, Closure $next): Response
+    {
+        if ($request->isMethod('post') && $request->routeIs('api.v1.tenant.events.store')) {
+            $user = $request->user();
+            if (!$user) {
+                return response()->json(['message' => 'Unauthenticated'], 401);
+            }
+
+            $tenant = Tenant::findOrFail($user->tenant_id);
+
+            if ($tenant->event_credits_balance < 1) {
+                return response()->json(['message' => 'Insufficient event credits'], 422);
+            }
+
+            $request->merge(['tenant' => $tenant]);
+        } elseif (($request->isMethod('put') || $request->isMethod('patch')) && $request->routeIs('api.v1.tenant.events.update')) {
+            $eventSlug = $request->route('event');
+            $event = Event::where('slug', $eventSlug)->firstOrFail();
+            $tenant = $event->tenant;
+
+            // For update, no credit check needed (already consumed on create)
+            $request->merge(['tenant' => $tenant]);
+        }
+
+        return $next($request);
+    }
+}