Changes:

  • Rebase the appliance on Debian 13/Trixie.
  • Install the official Symfony 7.4 LTS skeleton and pin FrameworkBundle v7.4.17 with verified source provenance.
  • Replace the vendor welcome patch with a small sample application that exercises framework routing and MariaDB through Doctrine DBAL.
  • Remove the third-party Symfony CLI repository. Use Debian Composer and provide safe framework console and supervised LTS updater helpers.
  • Keep generated database credentials outside build tracing.

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