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/flare-client-php/src/Enums/MessageLevels.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace Spatie\FlareClient\Enums;
+
+class MessageLevels
+{
+    const INFO = 'info';
+    const DEBUG = 'debug';
+    const WARNING = 'warning';
+    const ERROR = 'error';
+    const CRITICAL = 'critical';
+}

vendor/spatie/flare-client-php/src/Enums/OverriddenGrouping.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace Spatie\FlareClient\Enums;
+
+class OverriddenGrouping
+{
+    const ExceptionClass = 'exception_class';
+    const ExceptionMessage = 'exception_message';
+    const ExceptionMessageAndClass = 'exception_message_and_class';
+}