351fe7a672
Added `/ping/sync` endpoint with timestamp-based Delta-Sync functionality to efficiently support offline-first clients. Extended `PingApi` and frontend clients (`PingApiClient`, `PingApiKoinClient`) with `syncPings`. Updated repository, service, and controller logic for sync handling, including new JPA query `findByCreatedAtAfter`. Adjusted test doubles and completed unit tests for backend and frontend alignment. Documented sync approach and API usage.
Backend Module
Dieses Modul enthält den gesamten Code für die Backend-Services und die zugehörige Infrastruktur (z.B. API-Gateway).
Die vollständige Dokumentation befindet sich hier: -> docs/05_Backend/README.md