Worked on stabilizing the core Currency L0 synchronization flow within the Constellation-Labs/tessellation repository, focusing on backend development and distributed systems using Scala. Addressed a critical issue in the global snapshot synchronization path by ensuring the last-sent event’s ordinal and reference were correctly updated after enqueueing and processing. This targeted bug fix improved the reliability and consistency of state synchronization across nodes, reducing the risk of stale state and enhancing traceability within the synchronization pipeline. No new user-facing features were introduced during this period, as the primary emphasis was on correctness, stability, and observability of the underlying system processes.