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/sebastian/comparator/src/ScalarComparator.php

@@ -0,0 +1,81 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/comparator.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\Comparator;
+
+use function is_bool;
+use function is_object;
+use function is_scalar;
+use function is_string;
+use function mb_strtolower;
+use function method_exists;
+use function sprintf;
+use SebastianBergmann\Exporter\Exporter;
+
+/**
+ * Compares scalar or NULL values for equality.
+ */
+class ScalarComparator extends Comparator
+{
+    public function accepts(mixed $expected, mixed $actual): bool
+    {
+        return ((is_scalar($expected) xor null === $expected) &&
+               (is_scalar($actual) xor null === $actual)) ||
+               // allow comparison between strings and objects featuring __toString()
+               (is_string($expected) && is_object($actual) && method_exists($actual, '__toString')) ||
+               (is_object($expected) && method_exists($expected, '__toString') && is_string($actual));
+    }
+
+    /**
+     * @throws ComparisonFailure
+     */
+    public function assertEquals(mixed $expected, mixed $actual, float $delta = 0.0, bool $canonicalize = false, bool $ignoreCase = false): void
+    {
+        $expectedToCompare = $expected;
+        $actualToCompare   = $actual;
+        $exporter          = new Exporter;
+
+        // always compare as strings to avoid strange behaviour
+        // otherwise 0 == 'Foobar'
+        if ((is_string($expected) && !is_bool($actual)) || (is_string($actual) && !is_bool($expected))) {
+            $expectedToCompare = (string) $expectedToCompare;
+            $actualToCompare   = (string) $actualToCompare;
+
+            if ($ignoreCase) {
+                $expectedToCompare = mb_strtolower($expectedToCompare, 'UTF-8');
+                $actualToCompare   = mb_strtolower($actualToCompare, 'UTF-8');
+            }
+        }
+
+        if ($expectedToCompare !== $actualToCompare && is_string($expected) && is_string($actual)) {
+            throw new ComparisonFailure(
+                $expected,
+                $actual,
+                $exporter->export($expected),
+                $exporter->export($actual),
+                'Failed asserting that two strings are equal.',
+            );
+        }
+
+        if ($expectedToCompare != $actualToCompare) {
+            throw new ComparisonFailure(
+                $expected,
+                $actual,
+                // no diff is required
+                '',
+                '',
+                sprintf(
+                    'Failed asserting that %s matches expected %s.',
+                    $exporter->export($actual),
+                    $exporter->export($expected),
+                ),
+            );
+        }
+    }
+}