chore(#1474): add reason= to remaining bare clippy allows outside dashboard

hive-ag3nt/src/serve_common.rs

@@ -40,7 +40,11 @@ pub fn now_unix() -> i64 {
 /// the agent and manager serve loops — the shape is identical, only the
 /// post-turn count fetch helpers differ (and those stay in each binary).
 #[must_use]
-#[allow(clippy::too_many_arguments)]
+#[allow(
+    clippy::too_many_arguments,
+    reason = "args mirror the turn-stats row columns 1:1; a builder struct used \
+              only here would just relabel the same fields"
+)]
 pub fn build_row(
     started_at: i64,
     ended_at: i64,