Private and shared data sync through serverpod_offline_sync (0.0.8 on Serverpod 4.0.2), with the nine rules the spike established, the consequences, risks and the way out. Evidence: branch spike/offline-sync.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>