Function key_store_has_live_rows 

pub async fn key_store_has_live_rows(
    pool: &Pool<Postgres>,
    table: ApiKeyTable,
) -> Result<bool, Error>

SELECT EXISTS(SELECT 1 FROM <table> WHERE revoked_at IS NULL) — used by ProviderBuilder::build() (rust/auth/src/default_provider.rs) to decide whether a non-empty key store counts as “auth configured” on its own. A missing relation (e.g. a schema that has not reached migration v5 yet) surfaces as an Err here and must be propagated, never treated as “empty”.