//! Tests for `QueryType` detection (EPIC-052 US-006).
//!
//! Validates that /query endpoint correctly detects query types.
use json;
use ;
/// Test unified response format for rows (simple SELECT).
///
/// Guards `#[serde(rename = "type")]` + `rename_all="lowercase"` on
/// `QueryType::Rows` and `skip_serializing_if = "Vec::is_empty"` on warnings.