crates/queryd/src/service.rs

@@ -69,6 +69,11 @@ struct QueryResponse {
     columns: Vec<ColumnInfo>,
     rows: serde_json::Value,
     row_count: usize,
+    // Elapsed wall time from handler entry to response. Required for
+    // audit-log parity — gateway's audit row previously stored null here.
+    // Scrum iter 9 finding, populated from std::time::Instant captured
+    // at the top of execute_query / paged_query.
+    latency_ms: u64,
 }
 
 #[derive(Serialize)]
@@ -115,6 +120,7 @@ async fn execute_query(
     State(state): State<QueryState>,
     Json(req): Json<QueryRequest>,
 ) -> impl IntoResponse {
+    let started = std::time::Instant::now();
     tracing::info!("executing query: {}", req.sql);
 
     if let Some(reason) = sql_policy_check(&state.truth, &req.sql) {
@@ -129,6 +135,7 @@ async fn execute_query(
                     columns: vec![],
                     rows: serde_json::Value::Array(vec![]),
                     row_count: 0,
+                    latency_ms: started.elapsed().as_millis() as u64,
                 }));
             }
 
@@ -147,6 +154,7 @@ async fn execute_query(
                 columns,
                 rows,
                 row_count,
+                latency_ms: started.elapsed().as_millis() as u64,
             }))
         }
         Err(e) => Err((StatusCode::BAD_REQUEST, e)),