Fix bin/publish: copy docs.dist from project root

Fix bin/publish: use correct .env path for rspade_system
Fix bin/publish script: prevent grep exit code 1 from terminating script

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

vendor/sebastian/comparator/src/MockObjectComparator.php

@@ -0,0 +1,43 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/comparator.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\Comparator;
+
+use function array_keys;
+use function assert;
+use function str_starts_with;
+use PHPUnit\Framework\MockObject\Stub;
+
+/**
+ * Compares PHPUnit\Framework\MockObject\MockObject instances for equality.
+ */
+final class MockObjectComparator extends ObjectComparator
+{
+    public function accepts(mixed $expected, mixed $actual): bool
+    {
+        return $expected instanceof Stub && $actual instanceof Stub;
+    }
+
+    protected function toArray(object $object): array
+    {
+        assert($object instanceof Stub);
+
+        $array = parent::toArray($object);
+
+        foreach (array_keys($array) as $key) {
+            if (!str_starts_with($key, '__phpunit_')) {
+                continue;
+            }
+
+            unset($array[$key]);
+        }
+
+        return $array;
+    }
+}