- Refactor ORM annotations across entities for consistency.

- Adjusted migrations to align with refactored ORM annotations.
- Added new PHPStan and PHP-CS-Fixer configurations, including stricter rules.
- Introduced `tests/object-manager.php` to improve test environment setup.

migrations/Version20250521194035.php

@@ -18,7 +18,7 @@ final class Version20250521194035 extends AbstractMigration
     {
         $this->addSql(<<<'SQL'
             ALTER TABLE elimination ADD created TIMESTAMP(0) WITHOUT TIME ZONE
-        SQL);
+            SQL);
         $this->addSql(<<<'SQL'
             UPDATE elimination SET created = NOW()
             SQL
@@ -33,6 +33,6 @@ final class Version20250521194035 extends AbstractMigration
     {
         $this->addSql(<<<'SQL'
             ALTER TABLE elimination DROP created
-        SQL);
+            SQL);
     }
 }