refactor: share ClusterHealthChecker, add health check docs

See merge request !440

feat(ontology): structured ETL fields and order_by support

See merge request !436

chore(querying): query pipeline state and execution flow cleanup

See merge request !438

chore(ontology): break up ontology crate

See merge request !441

feat(indexer): add plan module with AST, codegen, and ontology-driven pipeline plans

See merge request !442

feat(querying): add options field to json queries, apply it to dynamic hydration

See merge request !444

refactor(indexer): replace dispatcher KV locks with NATS per-subject dedup

See merge request !445

fix(clickhouse): enable TLS for HTTPS connections

See merge request !448

## [0.8.0](v0.7.0...v0.8.0) (2026-03-06)

### Features

* **indexer:** add plan module with AST, codegen, and ontology-driven pipeline plans ([4fb995d4](4fb995d4)) by Jean-Gabriel Doyon
* **ontology:** structured ETL fields and order_by support ([6c86fd33](6c86fd33)) by Jean-Gabriel Doyon
* **querying:** add options field to json queries, apply it to dynamic hydration ([5660a250](5660a250)) by Michael Usachenko

### Fixes

* **clickhouse:** enable TLS for HTTPS connections ([ae073a51](ae073a51)) by Bohdan Parkhomchuk

### Other

* **indexer:** replace dispatcher KV locks with NATS per-subject dedup ([2fd1f664](2fd1f664)) by Jean-Gabriel Doyon
* **ontology:** break up ontology crate ([89770c38](89770c38)) by Michael Usachenko
* **querying:** query pipeline state and execution flow cleanup ([1b2dd161](1b2dd161)) by Michael Usachenko
* share ClusterHealthChecker, add health check docs ([49b833c5](49b833c5)) by Michael Angelo Rivera