prepare public symlink

app/Http/Controllers/SystemStatusController.php

@@ -63,10 +63,31 @@ class SystemStatusController extends Controller
             'rsync_version' => $this->resolveBinaryVersion($rsyncPath, ['--version']),
             'proc_functions' => $procFunctionStatus,
             'storage_writable' => is_writable(storage_path()),
+            'storage_public_linked' => $this->isPublicStorageLinked(),
             'updates_writable' => is_writable(storage_path('app/updates')) || @mkdir(storage_path('app/updates'), 0755, true),
         ]);
     }
 
+    private function isPublicStorageLinked(): bool
+    {
+        $publicStorage = public_path('storage');
+        $storagePublic = storage_path('app/public');
+
+        if (!is_link($publicStorage)) {
+            return false;
+        }
+
+        $target = readlink($publicStorage);
+        if ($target === false) {
+            return false;
+        }
+
+        $resolvedTarget = realpath(dirname($publicStorage) . DIRECTORY_SEPARATOR . $target);
+        $expectedTarget = realpath($storagePublic);
+
+        return $resolvedTarget !== false && $expectedTarget !== false && $resolvedTarget === $expectedTarget;
+    }
+
     private function resolveBinary(string $name): ?string
     {
         $process = new Process(['sh', '-lc', "command -v {$name}"]);