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/spatie/temporary-directory/src/Exceptions/InvalidDirectoryName.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace Spatie\TemporaryDirectory\Exceptions;
+
+class InvalidDirectoryName extends \Exception
+{
+    public static function create(string $directoryName): static
+    {
+        return new static("The directory name `{$directoryName}` contains invalid characters.");
+    }
+}

vendor/spatie/temporary-directory/src/Exceptions/PathAlreadyExists.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace Spatie\TemporaryDirectory\Exceptions;
+
+class PathAlreadyExists extends \Exception
+{
+    public static function create(string $path): static
+    {
+        return new static("Path `{$path}` already exists.");
+    }
+}