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/nikic/php-parser/lib/PhpParser/Node/MatchArm.php

@@ -0,0 +1,29 @@
+<?php declare(strict_types=1);
+
+namespace PhpParser\Node;
+
+use PhpParser\Node;
+use PhpParser\NodeAbstract;
+
+class MatchArm extends NodeAbstract {
+    /** @var null|list<Node\Expr> */
+    public ?array $conds;
+    public Expr $body;
+
+    /**
+     * @param null|list<Node\Expr> $conds
+     */
+    public function __construct(?array $conds, Node\Expr $body, array $attributes = []) {
+        $this->conds = $conds;
+        $this->body = $body;
+        $this->attributes = $attributes;
+    }
+
+    public function getSubNodeNames(): array {
+        return ['conds', 'body'];
+    }
+
+    public function getType(): string {
+        return 'MatchArm';
+    }
+}