Fix admin instance stats endpoint 404 on Postgres via strict is_admin check

app/Http/Controllers/Api/AdminApiController.php

@@ -808,7 +808,7 @@ class AdminApiController extends Controller
     {
         abort_if(! $request->user() || ! $request->user()->token(), 404);
 
-        abort_unless($request->user()->is_admin === 1, 404);
+        abort_unless($request->user()->is_admin == 1, 404);
         abort_unless($request->user()->tokenCan('admin:read'), 404);
 
         if ($request->has('refresh')) {

tests/Feature/Security/AdminAccessTest.php

@@ -212,6 +212,19 @@ describe('admin access granted to admin users', function () {
             ->assertOk();
     });
 
+    it('allows admin to access instance stats API when is_admin is a boolean', function () {
+        // Postgres hydrates the boolean `is_admin` column to a PHP bool, so
+        // the guard must accept `true` and not just the integer 1. Force the
+        // boolean here so the test is driver-independent (SQLite hydrates 1).
+        $admin = User::factory()->admin()->create();
+        $admin->refresh();
+        $admin->is_admin = true;
+        Passport::actingAs($admin, ['admin:read']);
+
+        $this->getJson('/api/admin/instance/stats')
+            ->assertOk();
+    });
+
     it('allows admin to access admin users API', function () {
         $admin = User::factory()->admin()->create();
         $admin->refresh();