Stavilar 1.0.0

• Project skeleton: Maven modules, three NARs, GitHub Actions CI.
• ClickHouseConnectionService controller service: endpoints with failover, TLS trust store, LZ4, timeouts, ch.setting.* server settings.
• PutClickHouseRecord processor: RowBinary (default) or JSONEachRow inserts from any Record Reader, batching, insert deduplication tokens, async insert option, success/failure/retry routing.
• QueryClickHouseRecord processor: streams RowBinaryWithNamesAndTypes results into FlowFiles through any Record Writer, optional split with fragment.* attributes, query settings per processor.
• ExecuteClickHouseStatement processor: DDL/DML without a result set, X-ClickHouse-Summary as attributes.
• Component documentation shown in NiFi, three example flows, full README.

Install

Copy the three NARs into NiFi's lib/ directory and restart, or drop them into nar_extensions/. See the README.