Version and install check

GET /v1/version and GET /v1/check_install. The engine version and an item-by-item report of the installation’s guarantees.

GET /v1/version

{"version": "0.3.1"}

The version follows the SQL signatures of the read and write functions. A change that alters what a call returns bumps it.

GET /v1/check_install

Runs the installation checks and returns each one.

ok · boolean

True when every check passes.

checks · object[]

Each with check_name, ok, detail. Checks include: PostgreSQL 17 or newer, overlap exclusion on nodes and edges, btree_gist and pgvector present, row-level security forced, roles present, functions owned by the schema owner, no direct table access, append-only enforced, server-stamped captured_at, no default for as_of on any read function, no PUBLIC execute except check_install and version.

{"ok": true,
 "checks": [{"check_name": "postgresql >= 17", "ok": true, "detail": "170011"},
            {"check_name": "as_of has no default", "ok": true, "detail": "read_nodes, read_edges, read_verdicts, certificate, subgraph, search, why"},
            {"check_name": "...", "ok": true, "detail": "..."}]}