Enable Discovery debug logging for production troubleshooting

- Add DISCOVERY_LOG_LEVEL=debug
- Add DISCOVERY_SHOW_PROGRESS=true
- Temporary changes for debugging InitializerProcessor fixes on production

src/Framework/Http/Cookies/Cookie.php

@@ -14,7 +14,7 @@ final readonly class Cookie
         public ?string $domain = '',
         public bool $secure = false,
         public bool $httpOnly = false,
-        public ?string $sameSite = 'Lax'
+        public SameSite $sameSite = SameSite::Lax,
     ) {
     }
 
@@ -42,10 +42,13 @@ final readonly class Cookie
             $cookie .= '; HttpOnly';
         }
 
-        if ($this->sameSite) {
-            $cookie .= '; SameSite=' . $this->sameSite;
-        }
+        $cookie .= '; SameSite=' . $this->sameSite->value;
 
         return $cookie;
     }
+
+    public function __toString(): string
+    {
+        return $this->toHeaderString();
+    }
 }

src/Framework/Http/Cookies/SameSite.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace App\Framework\Http\Cookies;
 
 enum SameSite: string