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/league/flysystem/src/UnableToListContents.php

@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+namespace League\Flysystem;
+
+use RuntimeException;
+use Throwable;
+
+final class UnableToListContents extends RuntimeException implements FilesystemOperationFailed
+{
+    public static function atLocation(string $location, bool $deep, Throwable $previous): UnableToListContents
+    {
+        $message = "Unable to list contents for '$location', " . ($deep ? 'deep' : 'shallow') . " listing\n\n"
+            . 'Reason: ' . $previous->getMessage();
+
+        return new UnableToListContents($message, 0, $previous);
+    }
+
+    public function operation(): string
+    {
+        return self::OPERATION_LIST_CONTENTS;
+    }
+}