4.0.0 io.github.pnoker iot-dc3 2026.5.22 ${project.artifactId} dc3-tsdb 2026.5.22 pom IoT DC3 time-series port backed by PostgreSQL TimescaleDB. The store-neutral TsdbStore contract keeps history, aggregation and cursor semantics explicit while the runtime uses the same R2DBC connection and transaction boundary as relational data. dc3-tsdb-core