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

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

vendor/symfony/var-dumper/Caster/ConstStub.php

@@ -0,0 +1,33 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+use Symfony\Component\VarDumper\Cloner\Stub;
+
+/**
+ * Represents a PHP constant and its value.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class ConstStub extends Stub
+{
+    public function __construct(string $name, string|int|float|null $value = null)
+    {
+        $this->class = $name;
+        $this->value = 1 < \func_num_args() ? $value : $name;
+    }
+
+    public function __toString(): string
+    {
+        return (string) $this->value;
+    }
+}