chore: complete update

src/Framework/Http/Session/SessionId.php

@@ -0,0 +1,52 @@
+<?php
+declare(strict_types=1);
+
+namespace App\Framework\Http\Session;
+
+use InvalidArgumentException;
+
+final readonly class SessionId
+{
+    private function __construct(private string $value)
+    {
+        $this->validate($value);
+    }
+
+    public static function fromString(string $value): self
+    {
+        return new self($value);
+    }
+
+    public function toString(): string
+    {
+        return $this->value;
+    }
+
+    public function __toString(): string
+    {
+        return $this->toString();
+    }
+
+    public function equals(SessionId $other): bool
+    {
+        return $this->value === $other->value;
+    }
+
+    private function validate(string $value): void
+    {
+        if (empty($value)) {
+            throw new InvalidArgumentException('SessionId darf nicht leer sein');
+        }
+
+        // Weitere Validierungen je nach Anforderungen
+        // z.B. Mindestlänge, erlaubte Zeichen, Format
+        if (strlen($value) < 32) {
+            throw new InvalidArgumentException('SessionId muss mindestens 32 Zeichen lang sein');
+        }
+
+        if (!ctype_alnum($value)) {
+            throw new InvalidArgumentException('SessionId darf nur alphanumerische Zeichen enthalten');
+        }
+    }
+
+}