added full module support

Modules/InternalApi/app/Http/Controllers/CompanySummaryController.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Modules\InternalApi\app\Http\Controllers;
+
+use App\Http\Controllers\Controller;
+use Modules\Platform\app\Models\Company;
+
+class CompanySummaryController extends Controller
+{
+    /**
+     * Return tenant summary for authenticated internal callers.
+     */
+    public function __invoke()
+    {
+        return response()->json([
+            'companies' => Company::withCount(['users', 'warehouses', 'licenseKeys'])->orderBy('name')->get(),
+        ]);
+    }
+}

Modules/InternalApi/app/Http/Middleware/VerifyInternalApiSignature.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace Modules\InternalApi\app\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+class VerifyInternalApiSignature
+{
+    /**
+     * Verify the HMAC signature used between separated WMS applications.
+     */
+    public function handle(Request $request, Closure $next): Response
+    {
+        $secret = (string) config('platform.internal_api_key');
+        $timestamp = (string) $request->header('X-WMS-Timestamp');
+        $signature = (string) $request->header('X-WMS-Signature');
+
+        abort_if($secret === '' || $timestamp === '' || $signature === '', 401);
+        abort_if(abs(now()->timestamp - strtotime($timestamp)) > 300, 401, 'Expired internal API signature.');
+
+        $expected = hash_hmac('sha256', $timestamp . '.' . $request->getContent(), $secret);
+        abort_unless(hash_equals($expected, $signature), 401, 'Invalid internal API signature.');
+
+        return $next($request);
+    }
+}