Overrides PHP's default session.gc_maxlifetime (typically 1h on servers)
so sessions survive inactivity without relying on remember-me.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Symfony 8 SPA with Doctrine ORM, Symfony Security, vanilla JS frontend.
Migrated from plain PHP (delight-im/auth + raw SQL) to full Symfony stack.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>