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/dflydev/dot-access-data/src/Exception/DataException.php

@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is a part of dflydev/dot-access-data.
+ *
+ * (c) Dragonfly Development Inc.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Dflydev\DotAccessData\Exception;
+
+/**
+ * Base runtime exception type thrown by this library
+ */
+class DataException extends \RuntimeException
+{
+}

vendor/dflydev/dot-access-data/src/Exception/InvalidPathException.php

@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is a part of dflydev/dot-access-data.
+ *
+ * (c) Dragonfly Development Inc.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Dflydev\DotAccessData\Exception;
+
+/**
+ * Thrown when trying to access an invalid path in the data array
+ */
+class InvalidPathException extends DataException
+{
+}

vendor/dflydev/dot-access-data/src/Exception/MissingPathException.php

@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is a part of dflydev/dot-access-data.
+ *
+ * (c) Dragonfly Development Inc.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Dflydev\DotAccessData\Exception;
+
+use Throwable;
+
+/**
+ * Thrown when trying to access a path that does not exist
+ */
+class MissingPathException extends DataException
+{
+    /** @var string */
+    protected $path;
+
+    public function __construct(string $path, string $message = '', int $code = 0, ?Throwable $previous = null)
+    {
+        $this->path = $path;
+
+        parent::__construct($message, $code, $previous);
+    }
+
+    public function getPath(): string
+    {
+        return $this->path;
+    }
+}